DeviceOffboardingManager

0.1

DeviceOffboardingManager.ps1

                                <#PSScriptInfo

.VERSION 0.1

.GUID a686724d-588d-472e-b927-c4840c32eed1

.AUTHOR ugurk

.COMPANYNAME

.COPYRIGHT

.TAGS Intune, PowerShell, Automation

.LICENSEURI https://github.com/ugurkocde/DeviceOffboardingManager/blob/main/LICENSE

.PROJECTURI https://github.com/ugurkocde/DeviceOffboardingManager

.ICONURI 

.EXTERNALMODULEDEPENDENCIES 

.REQUIREDSCRIPTS

.EXTERNALSCRIPTDEPENDENCIES

.RELEASENOTES Changelog: https://github.com/ugurkocde/DeviceOffboardingManager/blob/main/Changelog.md

.PRIVATEDATA

#>

<# 

.DESCRIPTION 

 A PowerShell GUI tool for efficiently managing and offboarding devices from Microsoft Intune, Autopilot, and Entra ID, featuring bulk operations and real-time analytics for streamlined device lifecycle management. 

#> 

Param()

# Made by Ugur with ❤️

# Guide and documentation available at https://github.com/ugurkocde/DeviceOffboardingManager

# Feedback and contributions are welcome!

Add-Type -AssemblyName PresentationFramework

Add-Type -AssemblyName System.Windows.Forms

# Add the DeviceObject class definition

if (-not ([System.Management.Automation.PSTypeName]'DeviceObject').Type) {

    Add-Type -TypeDefinition @"

    using System;

    using System.ComponentModel;

    public class DeviceObject : INotifyPropertyChanged

    {

        private bool isSelected;

        public bool IsSelected

        {

            get { return isSelected; }

            set 

            { 

                isSelected = value;

                OnPropertyChanged("IsSelected");

            }

        }

        public string DeviceName { get; set; }

        public string SerialNumber { get; set; }

        public string OperatingSystem { get; set; }

        public string PrimaryUser { get; set; }

        public DateTime? AzureADLastContact { get; set; }

        public DateTime? IntuneLastContact { get; set; }

        public DateTime? AutopilotLastContact { get; set; }

        public event PropertyChangedEventHandler PropertyChanged;

        protected void OnPropertyChanged(string name)

        {

            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));

        }

    }

"@

}

# Define a helper function for paginated Graph API calls

function Get-GraphPagedResults {

    param(

        [Parameter(Mandatory = $true)]

        [string]$Uri

    )

    $results = @()

    $nextLink = $Uri

    do {

        try {

            $response = Invoke-MgGraphRequest -Uri $nextLink -Method GET

            if ($response.value) {

                $results += $response.value

            }

            $nextLink = $response.'@odata.nextLink'

        }

        catch {

            Write-Log "Error in pagination: $_"

            break

        }

    } while ($nextLink)

    return $results

}

# Define WPF XAML

[xml]$xaml = @"

<Window 

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

    Title="Device Offboarding Manager (0.1 Preview)" Height="700" Width="1200" 

    Background="#F0F0F0"

    WindowStartupLocation="CenterScreen" 

    ResizeMode="NoResize">

    <Window.Resources>

        <!-- Drop Shadow Effect -->

        <DropShadowEffect x:Key="CardShadow"

                         ShadowDepth="2"

                         Direction="315"

                         Color="#000000"

                         Opacity="0.25"

                         BlurRadius="4"/>

        <!-- Base Button Style -->

        <Style TargetType="Button">

            <Setter Property="Background" Value="#0078D4"/>

            <Setter Property="Foreground" Value="White"/>

            <Setter Property="Padding" Value="12,5"/>

            <Setter Property="BorderThickness" Value="0"/>

            <Setter Property="Height" Value="28"/>

            <Setter Property="Cursor" Value="Hand"/>

            <Setter Property="Template">

                <Setter.Value>

                    <ControlTemplate TargetType="Button">

                        <Border Background="{TemplateBinding Background}" 

                                CornerRadius="2" 

                                BorderThickness="{TemplateBinding BorderThickness}"

                                Padding="{TemplateBinding Padding}">

                            <ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>

                        </Border>

                        <ControlTemplate.Triggers>

                            <Trigger Property="IsMouseOver" Value="True">

                                <Setter Property="Background" Value="#106EBE"/>

                            </Trigger>

                            <Trigger Property="IsEnabled" Value="False">

                                <Setter Property="Background" Value="#CCCCCC"/>

                            </Trigger>

                        </ControlTemplate.Triggers>

                    </ControlTemplate>

                </Setter.Value>

            </Setter>

        </Style>

        <!-- Menu Button Style -->

        <Style x:Key="MenuButtonStyle" TargetType="RadioButton">

            <Setter Property="Foreground" Value="#808080"/>

            <Setter Property="FontSize" Value="14"/>

            <Setter Property="Height" Value="40"/>

            <Setter Property="Background" Value="Transparent"/>

            <Setter Property="Template">

                <Setter.Value>

                    <ControlTemplate TargetType="RadioButton">

                        <Border x:Name="border" 

                                Background="{TemplateBinding Background}"

                                BorderThickness="0">

                            <Grid>

                                <Border x:Name="indicator" 

                                        Width="3" 

                                        Background="Transparent"

                                        HorizontalAlignment="Left"/>

                                <ContentPresenter Margin="20,0,0,0" 

                                                VerticalAlignment="Center"/>

                            </Grid>

                        </Border>

                        <ControlTemplate.Triggers>

                            <Trigger Property="IsMouseOver" Value="True">

                                <Setter Property="Background" Value="#404040"/>

                                <Setter Property="Foreground" Value="White"/>

                                <Setter TargetName="indicator" Property="Background" Value="#0078D4"/>

                            </Trigger>

                            <Trigger Property="IsChecked" Value="True">

                                <Setter Property="Background" Value="#404040"/>

                                <Setter Property="Foreground" Value="White"/>

                                <Setter TargetName="indicator" Property="Background" Value="#0078D4"/>

                            </Trigger>

                        </ControlTemplate.Triggers>

                    </ControlTemplate>

                </Setter.Value>

            </Setter>

        </Style>

        <!-- Sidebar Connection Button Style -->

        <Style x:Key="SidebarButtonStyle" TargetType="Button">

            <Setter Property="Background" Value="#404040"/>

            <Setter Property="Foreground" Value="White"/>

            <Setter Property="FontSize" Value="12"/>

            <Setter Property="Height" Value="32"/>

            <Setter Property="Template">

                <Setter.Value>

                    <ControlTemplate TargetType="Button">

                        <Border Background="{TemplateBinding Background}"

                                CornerRadius="2"

                                BorderThickness="0">

                            <ContentPresenter HorizontalAlignment="Center" 

                                            VerticalAlignment="Center"/>

                        </Border>

                        <ControlTemplate.Triggers>

                            <Trigger Property="IsMouseOver" Value="True">

                                <Setter Property="Background" Value="#505050"/>

                            </Trigger>

                            <Trigger Property="IsEnabled" Value="False">

                                <Setter Property="Background" Value="#333333"/>

                                <Setter Property="Foreground" Value="#808080"/>

                            </Trigger>

                        </ControlTemplate.Triggers>

                    </ControlTemplate>

                </Setter.Value>

            </Setter>

        </Style>

        <!-- Playbook Button Style -->

        <Style x:Key="PlaybookButtonStyle" TargetType="Button">

            <Setter Property="Background" Value="#1B2A47"/>

            <Setter Property="Foreground" Value="White"/>

            <Setter Property="FontSize" Value="14"/>

            <Setter Property="Padding" Value="20,15"/>

            <Setter Property="Margin" Value="0,0,0,15"/>

            <Setter Property="Template">

                <Setter.Value>

                    <ControlTemplate TargetType="Button">

                        <Grid>

                            <Border Background="{TemplateBinding Background}"

                                    CornerRadius="8"

                                    Padding="{TemplateBinding Padding}"

                                    Effect="{StaticResource CardShadow}">

                                <Grid>

                                    <Grid.RowDefinitions>

                                        <RowDefinition Height="Auto"/>

                                        <RowDefinition Height="Auto"/>

                                    </Grid.RowDefinitions>

                                    <TextBlock Text="{TemplateBinding Content}"

                                             FontWeight="SemiBold"

                                             TextWrapping="Wrap"/>

                                    <TextBlock Grid.Row="1"

                                             Text="{TemplateBinding Tag}"

                                             FontSize="12"

                                             Opacity="0.7"

                                             TextWrapping="Wrap"

                                             Margin="0,8,0,0"/>

                                </Grid>

                            </Border>

                            <!-- Grey overlay for disabled state -->

                            <Border x:Name="DisabledOverlay"

                                    Background="#80808080"

                                    CornerRadius="8"

                                    Visibility="Collapsed"/>

                        </Grid>

                        <ControlTemplate.Triggers>

                            <Trigger Property="IsEnabled" Value="False">

                                <Setter TargetName="DisabledOverlay" Property="Visibility" Value="Visible"/>

                            </Trigger>

                        </ControlTemplate.Triggers>

                    </ControlTemplate>

                </Setter.Value>

            </Setter>

        </Style>

        <!-- TextBox Style -->

        <Style TargetType="TextBox">

            <Setter Property="Height" Value="28"/>

            <Setter Property="Padding" Value="8,5"/>

            <Setter Property="BorderThickness" Value="1"/>

            <Setter Property="BorderBrush" Value="#CCCCCC"/>

            <Setter Property="Background" Value="White"/>

            <Setter Property="VerticalContentAlignment" Value="Center"/>

        </Style>

        <!-- ComboBox Style -->

        <Style TargetType="ComboBox">

            <Setter Property="Height" Value="28"/>

            <Setter Property="Padding" Value="8,5"/>

            <Setter Property="BorderThickness" Value="1"/>

            <Setter Property="BorderBrush" Value="#CCCCCC"/>

            <Setter Property="Background" Value="White"/>

            <Setter Property="VerticalContentAlignment" Value="Center"/>

        </Style>

        <!-- DataGrid Style -->

        <Style TargetType="DataGrid">

            <Setter Property="Background" Value="White"/>

            <Setter Property="BorderBrush" Value="#CCCCCC"/>

            <Setter Property="BorderThickness" Value="1"/>

            <Setter Property="RowHeight" Value="35"/>

            <Setter Property="RowBackground" Value="White"/>

            <Setter Property="AlternatingRowBackground" Value="#F8F8F8"/>

            <Setter Property="HorizontalGridLinesBrush" Value="#E0E0E0"/>

            <Setter Property="VerticalGridLinesBrush" Value="#E0E0E0"/>

            <Setter Property="ColumnHeaderHeight" Value="32"/>

        </Style>

        <!-- DataGridColumnHeader Style -->

        <Style TargetType="DataGridColumnHeader">

            <Setter Property="Background" Value="#F5F5F5"/>

            <Setter Property="Foreground" Value="#323130"/>

            <Setter Property="FontWeight" Value="SemiBold"/>

            <Setter Property="Padding" Value="8,0"/>

            <Setter Property="BorderBrush" Value="#E0E0E0"/>

            <Setter Property="BorderThickness" Value="0,0,1,1"/>

        </Style>

        <!-- Authentication Radio Button Style -->

        <Style x:Key="AuthRadioButtonStyle" TargetType="RadioButton">

            <Setter Property="Margin" Value="0,8,8,8"/>

            <Setter Property="Padding" Value="8,6"/>

            <Setter Property="FontSize" Value="14"/>

            <Setter Property="Foreground" Value="#2D3748"/>

            <Setter Property="Template">

                <Setter.Value>

                    <ControlTemplate TargetType="RadioButton">

                        <Border x:Name="border" 

                                Background="{TemplateBinding Background}"

                                BorderBrush="#E2E8F0"

                                BorderThickness="1"

                                CornerRadius="6"

                                Padding="12">

                            <Grid>

                                <Grid.ColumnDefinitions>

                                    <ColumnDefinition Width="24"/>

                                    <ColumnDefinition Width="*"/>

                                </Grid.ColumnDefinitions>

                                <Ellipse x:Name="radioOuter"

                                         Width="18" Height="18"

                                         Stroke="#CBD5E0"

                                         StrokeThickness="2"

                                         Fill="Transparent"/>

                                <Ellipse x:Name="radioInner"

                                         Width="10" Height="10"

                                         Fill="#0078D4"

                                         Opacity="0"/>

                                <ContentPresenter Grid.Column="1"

                                                Margin="12,0,0,0"

                                                VerticalAlignment="Center"/>

                            </Grid>

                        </Border>

                        <ControlTemplate.Triggers>

                            <Trigger Property="IsMouseOver" Value="True">

                                <Setter TargetName="border" Property="Background" Value="#F7FAFC"/>

                                <Setter TargetName="radioOuter" Property="Stroke" Value="#0078D4"/>

                            </Trigger>

                            <Trigger Property="IsChecked" Value="True">

                                <Setter TargetName="radioInner" Property="Opacity" Value="1"/>

                                <Setter TargetName="radioOuter" Property="Stroke" Value="#0078D4"/>

                                <Setter TargetName="border" Property="BorderBrush" Value="#0078D4"/>

                                <Setter TargetName="border" Property="Background" Value="#F0F9FF"/>

                            </Trigger>

                        </ControlTemplate.Triggers>

                    </ControlTemplate>

                </Setter.Value>

            </Setter>

        </Style>

        <!-- TextBox Style -->

        <Style x:Key="AuthTextBoxStyle" TargetType="TextBox">

            <Setter Property="Height" Value="36"/>

            <Setter Property="Padding" Value="12,8"/>

            <Setter Property="Margin" Value="0,4"/>

            <Setter Property="Background" Value="White"/>

            <Setter Property="BorderBrush" Value="#E2E8F0"/>

            <Setter Property="BorderThickness" Value="1"/>

            <Setter Property="FontSize" Value="13"/>

            <Setter Property="VerticalContentAlignment" Value="Center"/>

            <Style.Triggers>

                <Trigger Property="IsMouseOver" Value="True">

                    <Setter Property="BorderBrush" Value="#0078D4"/>

                </Trigger>

                <Trigger Property="IsFocused" Value="True">

                    <Setter Property="BorderBrush" Value="#0078D4"/>

                </Trigger>

            </Style.Triggers>

        </Style>

        <!-- Password Box Style -->

        <Style x:Key="AuthPasswordBoxStyle" TargetType="PasswordBox">

            <Setter Property="Height" Value="36"/>

            <Setter Property="Padding" Value="12,8"/>

            <Setter Property="Margin" Value="0,4"/>

            <Setter Property="Background" Value="White"/>

            <Setter Property="BorderBrush" Value="#E2E8F0"/>

            <Setter Property="BorderThickness" Value="1"/>

            <Setter Property="FontSize" Value="13"/>

            <Setter Property="VerticalContentAlignment" Value="Center"/>

        </Style>

        <!-- Button Style -->

        <Style x:Key="AuthButtonStyle" TargetType="Button">

            <Setter Property="Height" Value="40"/>

            <Setter Property="Padding" Value="24,0"/>

            <Setter Property="Background" Value="#0078D4"/>

            <Setter Property="Foreground" Value="White"/>

            <Setter Property="BorderThickness" Value="0"/>

            <Setter Property="FontSize" Value="14"/>

            <Setter Property="Template">

                <Setter.Value>

                    <ControlTemplate TargetType="Button">

                        <Border Background="{TemplateBinding Background}"

                                CornerRadius="6"

                                Padding="{TemplateBinding Padding}">

                            <ContentPresenter HorizontalAlignment="Center" 

                                            VerticalAlignment="Center"/>

                        </Border>

                        <ControlTemplate.Triggers>

                            <Trigger Property="IsMouseOver" Value="True">

                                <Setter Property="Background" Value="#106EBE"/>

                            </Trigger>

                            <Trigger Property="IsPressed" Value="True">

                                <Setter Property="Background" Value="#005A9E"/>

                            </Trigger>

                        </ControlTemplate.Triggers>

                    </ControlTemplate>

                </Setter.Value>

            </Setter>

        </Style>

        <!-- Toast Notification Style -->

        <Style x:Key="ToastNotificationStyle" TargetType="Border">

            <Setter Property="Background" Value="#1B2A47"/>

            <Setter Property="CornerRadius" Value="8"/>

            <Setter Property="Padding" Value="16"/>

            <Setter Property="Margin" Value="0,0,0,10"/>

            <Setter Property="Effect">

                <Setter.Value>

                    <DropShadowEffect ShadowDepth="2"

                                    Direction="315"

                                    Color="#000000"

                                    Opacity="0.25"

                                    BlurRadius="4"/>

                </Setter.Value>

            </Setter>

        </Style>

        <!-- Secondary Button Style -->

        <Style x:Key="SecondaryButtonStyle" TargetType="Button">

            <Setter Property="Height" Value="40"/>

            <Setter Property="Padding" Value="24,0"/>

            <Setter Property="Background" Value="#F0F0F0"/>

            <Setter Property="Foreground" Value="#2D3748"/>

            <Setter Property="BorderThickness" Value="0"/>

            <Setter Property="FontSize" Value="14"/>

            <Setter Property="Template">

                <Setter.Value>

                    <ControlTemplate TargetType="Button">

                        <Border Background="{TemplateBinding Background}"

                                CornerRadius="6"

                                Padding="{TemplateBinding Padding}">

                            <ContentPresenter HorizontalAlignment="Center" 

                                            VerticalAlignment="Center"/>

                        </Border>

                        <ControlTemplate.Triggers>

                            <Trigger Property="IsMouseOver" Value="True">

                                <Setter Property="Background" Value="#E2E2E2"/>

                            </Trigger>

                            <Trigger Property="IsPressed" Value="True">

                                <Setter Property="Background" Value="#D4D4D4"/>

                            </Trigger>

                        </ControlTemplate.Triggers>

                    </ControlTemplate>

                </Setter.Value>

            </Setter>

        </Style>

    </Window.Resources>

    <Grid>

        <Grid.ColumnDefinitions>

            <ColumnDefinition Width="200"/>

            <ColumnDefinition Width="*"/>

        </Grid.ColumnDefinitions>

        <!-- Sidebar -->

        <Border Grid.Column="0" Background="#2D2D2D">

            <DockPanel>

                <!-- Menu Items -->

                <StackPanel DockPanel.Dock="Bottom" Margin="0,0,0,0">

                    <!-- Prominent Connect Button -->

                    <Border Margin="15,5,15,10" 

                            Background="#0078D4" 

                            CornerRadius="4">

                        <Button x:Name="AuthenticateButton" 

                                Content="Connect to MS Graph" 

                                Style="{StaticResource SidebarButtonStyle}"

                                Background="Transparent"

                                Foreground="White"

                                Height="40"

                                Margin="0"/>

                    </Border>

                    <!-- Tenant Info Section -->

                    <Border x:Name="TenantInfoSection"

                            Margin="15,0,15,10"

                            Background="#404040"

                            CornerRadius="4"

                            Visibility="Collapsed">

                        <StackPanel Margin="12,8">

                            <TextBlock Text="Connected Tenant"

                                     Foreground="#A0A0A0"

                                     FontSize="12"

                                     Margin="0,0,0,4"/>

                            <TextBlock x:Name="TenantDisplayName"

                                     Text=""

                                     Foreground="White"

                                     FontSize="14"

                                     TextWrapping="Wrap"

                                     Margin="0,0,0,4"/>

                            <Grid>

                                <Grid.RowDefinitions>

                                    <RowDefinition Height="Auto"/>

                                    <RowDefinition Height="Auto"/>

                                </Grid.RowDefinitions>

                                <Grid.ColumnDefinitions>

                                    <ColumnDefinition Width="Auto"/>

                                    <ColumnDefinition Width="*"/>

                                </Grid.ColumnDefinitions>

                                <TextBlock Text="Domain: "

                                         Grid.Row="0"

                                         Foreground="#A0A0A0"

                                         FontSize="11"

                                         VerticalAlignment="Center"/>

                                <TextBox x:Name="TenantDomain"

                                       Grid.Row="0"

                                       Grid.Column="1"

                                       Text=""

                                       Foreground="#A0A0A0"

                                       FontSize="11"

                                       Background="Transparent"

                                       BorderThickness="0"

                                       IsReadOnly="True"

                                       TextWrapping="NoWrap"

                                       VerticalAlignment="Center"

                                       Margin="0,0,0,4"/>

                                <TextBlock Text="Tenant ID: "

                                         Grid.Row="1"

                                         Foreground="#A0A0A0"

                                         FontSize="11"

                                         VerticalAlignment="Center"/>

                                <TextBox x:Name="TenantId"

                                       Grid.Row="1"

                                       Grid.Column="1"

                                       Text=""

                                       Foreground="#A0A0A0"

                                       FontSize="11"

                                       Background="Transparent"

                                       BorderThickness="0"

                                       IsReadOnly="True"

                                       TextWrapping="NoWrap"

                                       VerticalAlignment="Center"/>

                            </Grid>

                        </StackPanel>

                    </Border>

                    <Button x:Name="PrerequisitesButton"

                            Content="Prerequisites"

                            Style="{StaticResource SidebarButtonStyle}"

                            Margin="15,5"/>

                    <Button x:Name="logs_button" 

                            Content="Logs"

                            Style="{StaticResource SidebarButtonStyle}"

                            Margin="15,5"/>

                    <Button x:Name="disconnect_button"

                            Content="Disconnect"

                            Style="{StaticResource SidebarButtonStyle}"

                            IsEnabled="False"

                            Margin="15,5"/>

                    <Button x:Name="changelog_button"

                            Content="Changelog"

                            Style="{StaticResource SidebarButtonStyle}"

                            Margin="15,5,15,15"/>

                </StackPanel>

                <!-- Navigation Menu -->

                <StackPanel Margin="0,10,0,0">

                    <RadioButton x:Name="MenuHome"

                                Content="Home"

                                Style="{StaticResource MenuButtonStyle}"

                                IsChecked="True"/>

                    <RadioButton x:Name="MenuDashboard"

                                Content="Dashboard"

                                Style="{StaticResource MenuButtonStyle}"

                                IsEnabled="False"/>

                    <RadioButton x:Name="MenuDeviceManagement"

                                Content="Device Offboarding"

                                Style="{StaticResource MenuButtonStyle}"

                                IsEnabled="False"/>

                    <RadioButton x:Name="MenuPlaybooks"

                                Content="Playbooks"

                                Style="{StaticResource MenuButtonStyle}"

                                IsEnabled="False"/>

                    <!-- Feedback Section -->

                    <Border Margin="15,5,15,5" 

                            Background="#1A365D" 

                            CornerRadius="4">

                        <StackPanel Margin="12,8">

                            <TextBlock Text="Have feedback or found a bug?" 

                                     Foreground="#FCD34D"

                                     FontWeight="SemiBold"

                                     FontSize="12"

                                     Margin="0,4,0,4"

                                     TextWrapping="Wrap"/>

                            <TextBlock>

                                <Hyperlink x:Name="FeedbackLink"

                                         Foreground="#60A5FA"

                                         TextDecorations="None">

                                    Submit on GitHub →

                                </Hyperlink>

                            </TextBlock>

                        </StackPanel>

                    </Border>

                </StackPanel>

            </DockPanel>

        </Border>

        <!-- Main Content Area -->

        <Grid x:Name="MainContent" Grid.Column="1" Margin="20">

            <!-- Home Page -->

            <Grid x:Name="HomePage" Visibility="Visible">

                <Grid.RowDefinitions>

                    <RowDefinition Height="Auto"/>

                    <RowDefinition Height="*"/>

                </Grid.RowDefinitions>

                <!-- Header -->

                <StackPanel Grid.Row="0" Margin="0,0,0,30">

                    <TextBlock Text="Device Offboarding Manager"

                              FontSize="32"

                              FontWeight="Bold"

                              Margin="0,0,0,10"/>

                    <TextBlock Text="Streamline your device lifecycle management across Microsoft services"

                              FontSize="16"

                              Opacity="0.7"/>

                    <!-- Warning/Disclaimer Section -->

                    <Border Background="#DC2626"

                            CornerRadius="8"

                            Margin="0,20,0,0"

                            Effect="{StaticResource CardShadow}">

                        <StackPanel Margin="20">

                            <StackPanel Orientation="Horizontal" Margin="0,0,0,10">

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                                      Height="24"

                                      Stretch="Uniform"

                                      Margin="0,0,10,0"/>

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                                         FontWeight="Bold"

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                            <TextBlock TextWrapping="Wrap"

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                                This tool is currently in PREVIEW. Please exercise extreme caution when using it. Device deletion operations are PERMANENT and CANNOT be undone. Always verify the selected devices before proceeding with any deletion operation. It is recommended to test the tool in a non-production environment first.

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                        </StackPanel>

                    </Border>

                </StackPanel>

                <!-- Main Content in 2x2 Grid -->

                <Grid Grid.Row="1">

                    <Grid.ColumnDefinitions>

                        <ColumnDefinition Width="*"/>

                        <ColumnDefinition Width="*"/>

                    </Grid.ColumnDefinitions>

                    <Grid.RowDefinitions>

                        <RowDefinition Height="*"/>

                        <RowDefinition Height="*"/>

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                    <!-- Quick Actions -->

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                            Background="#1B2A47" 

                            CornerRadius="8" 

                            Margin="0,0,10,10">

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                            <StackPanel Grid.Row="1">

                                <TextBlock Text="→ Connect to MS Graph in the sidebar"

                                         FontSize="14"

                                         Foreground="#A0AEC0"

                                         Margin="0,0,0,8"/>

                                <TextBlock Text="→ Check permissions after connecting"

                                         FontSize="14"

                                         Foreground="#A0AEC0"

                                         Margin="0,0,0,8"/>

                                <TextBlock Text="→ Access device management tools"

                                         FontSize="14"

                                         Foreground="#A0AEC0"

                                         Margin="0,0,0,8"/>

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                        </Grid>

                    </Border>

                    <!-- Key Features -->

                    <Border Grid.Column="1" Grid.Row="0" 

                            Background="#172A3A" 

                            CornerRadius="8" 

                            Margin="10,0,0,10">

                        <Grid Margin="20">

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                                     Margin="0,0,0,15"/>

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                                <TextBlock Text="• Real-time device monitoring"

                                         FontSize="14"

                                         Foreground="#A0AEC0"

                                         Margin="0,0,0,8"/>

                                <TextBlock Text="• Bulk device operations"

                                         FontSize="14"

                                         Foreground="#A0AEC0"

                                         Margin="0,0,0,8"/>

                                <TextBlock Text="• Automated management tasks"

                                         FontSize="14"

                                         Foreground="#A0AEC0"

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                    </Border>

                    <!-- Services -->

                    <Border Grid.Column="0" Grid.Row="1" 

                            Background="#2D3748" 

                            CornerRadius="8" 

                            Margin="0,10,10,0">

                        <Grid Margin="20">

                            <Grid.RowDefinitions>

                                <RowDefinition Height="Auto"/>

                                <RowDefinition Height="*"/>

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                            <TextBlock Text="Supported Services"

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                                <Grid.ColumnDefinitions>

                                    <ColumnDefinition Width="*"/>

                                    <ColumnDefinition Width="*"/>

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                                <!-- Left Column -->

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                                    <TextBlock Text="• Intune"

                                             FontSize="14"

                                             Foreground="#A0AEC0"

                                             Margin="0,0,10,8"/>

                                    <TextBlock Text="• Autopilot"

                                             FontSize="14"

                                             Foreground="#A0AEC0"

                                             Margin="0,0,10,8"/>

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                                <!-- Right Column -->

                                <StackPanel Grid.Column="1">

                                    <TextBlock Text="• Entra ID"

                                             FontSize="14"

                                             Foreground="#A0AEC0"

                                             Margin="0,0,0,8"/>

                                    <TextBlock Text="• Soon: Defender for Endpoint"

                                             FontSize="14"

                                             Foreground="#A0AEC0"

                                             Margin="0,0,0,8"/>

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                            </Grid>

                        </Grid>

                    </Border>

                    <!-- Navigation -->

                    <Border Grid.Column="1" Grid.Row="1" 

                            Background="#1A365D" 

                            CornerRadius="8" 

                            Margin="10,10,0,0">

                        <Grid Margin="20">

                            <Grid.RowDefinitions>

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                                <RowDefinition Height="*"/>

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                            <TextBlock Text="Navigation Guide"

                                     FontSize="20"

                                     FontWeight="SemiBold"

                                     Foreground="White"

                                     Margin="0,0,0,15"/>

                            <StackPanel Grid.Row="1">

                                <TextBlock Text="Dashboard → Device statistics"

                                         FontSize="14"

                                         Foreground="#A0AEC0"

                                         Margin="0,0,0,8"/>

                                <TextBlock Text="Device Management → Search &amp; manage"

                                         FontSize="14"

                                         Foreground="#A0AEC0"

                                         Margin="0,0,0,8"/>

                                <TextBlock Text="Playbooks → Automated tasks"

                                         FontSize="14"

                                         Foreground="#A0AEC0"

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                    </Border>

                </Grid>

            </Grid>

            <!-- Dashboard Page -->

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                    <RowDefinition Height="Auto"/>

                    <RowDefinition Height="Auto"/>

                    <RowDefinition Height="Auto"/>

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                <!-- Top Row Statistics -->

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                    <Border Background="#1B2A47" Margin="0,0,10,0" CornerRadius="8">

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                            <Grid.RowDefinitions>

                                <RowDefinition Height="Auto"/>

                                <RowDefinition Height="Auto"/>

                                <RowDefinition Height="Auto"/>

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                    <Border Background="#1B2A47" Margin="0,0,10,0" CornerRadius="8">

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                    <Border Background="#1B2A47" Margin="10,0,0,0" CornerRadius="8">

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                                <RowDefinition Height="Auto"/>

                                <RowDefinition Height="Auto"/>

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                <!-- Bottom Row - Personal/Corporate and Charts -->

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                        <ColumnDefinition Width="*"/>

                        <ColumnDefinition Width="*"/>

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                    </Border>

                    <!-- Corporate Devices -->

                    <Border Grid.Column="1" Background="#1B2A47" Margin="10,0" CornerRadius="8" Height="220">

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                                <RowDefinition Height="Auto"/>

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                    <!-- Platform Distribution -->

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                                      Fill="#4299E1" Width="24" Height="24" Stretch="Uniform"/>

                                <TextBlock Text="Platform Distribution"

                                         Foreground="#A0AEC0"

                                         FontSize="14"

                                         Margin="12,0,0,0"

                                         VerticalAlignment="Center"/>

                            </StackPanel>

                            <Grid Grid.Row="1">

                                <Grid.ColumnDefinitions>

                                    <ColumnDefinition Width="*"/>

                                    <ColumnDefinition Width="Auto"/>

                                </Grid.ColumnDefinitions>

                                <!-- Pie Chart Canvas -->

                                <Canvas x:Name="PlatformDistributionCanvas" 

                                        Grid.Column="0"

                                        Width="200" 

                                        Height="200" 

                                        HorizontalAlignment="Center"

                                        VerticalAlignment="Center"/>

                                <!-- Legend -->

                                <StackPanel x:Name="PlatformDistributionLegend"

                                            Grid.Column="1"

                                            Margin="20,0,0,0"

                                            VerticalAlignment="Center"/>

                            </Grid>

                        </Grid>

                    </Border>

                </Grid>

            </Grid>

            <!-- Device Management Page -->

            <Grid x:Name="DeviceManagementPage">

                <Grid.RowDefinitions>

                    <RowDefinition Height="Auto"/>

                    <RowDefinition Height="Auto"/>

                    <RowDefinition Height="Auto"/>

                    <RowDefinition Height="*"/>

                    <RowDefinition Height="Auto"/>

                    <RowDefinition Height="Auto"/>

                </Grid.RowDefinitions>

                <!-- Search Controls -->

                <Grid Grid.Row="1" Margin="0,0,0,10">

                    <Grid.ColumnDefinitions>

                        <ColumnDefinition Width="150"/>

                        <ColumnDefinition Width="*"/>

                        <ColumnDefinition Width="Auto"/>

                        <ColumnDefinition Width="Auto"/>

                    </Grid.ColumnDefinitions>

                    <ComboBox x:Name="dropdown" 

                              Margin="0,0,8,0"/>

                    <TextBox x:Name="SearchInputText" 

                             Grid.Column="1" 

                             Margin="0,0,8,0"

                             TextWrapping="Wrap"

                             AcceptsReturn="True"

                             VerticalScrollBarVisibility="Auto"/>

                    <Button x:Name="bulk_import_button" 

                            Grid.Column="2" 

                            Content="Bulk Import" 

                            Margin="0,0,8,0"/>

                    <Button x:Name="SearchButton" 

                            Grid.Column="3" 

                            Content="Search"/>

                </Grid>

                <!-- Results Grid -->

                <DataGrid x:Name="SearchResultsDataGrid" 

                          Grid.Row="3"

                          Margin="0,0,0,15"

                          AutoGenerateColumns="False"

                          IsReadOnly="False"

                          HeadersVisibility="Column"

                          GridLinesVisibility="All"

                          CanUserResizeRows="False"

                          CanUserReorderColumns="False"

                          SelectionMode="Extended"

                          SelectionUnit="FullRow"

                          CanUserAddRows="False">

                    <DataGrid.Columns>

                        <DataGridCheckBoxColumn Binding="{Binding IsSelected, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}" 

                                              Header="Select" 

                                              Width="50"

                                              IsReadOnly="False"/>

                        <DataGridTextColumn Binding="{Binding DeviceName}" 

                                                  Header="Device Name" 

                                                  Width="*"

                                                  IsReadOnly="True"/>

                        <DataGridTextColumn Binding="{Binding SerialNumber}" 

                                                  Header="Serial Number" 

                                                  Width="*"

                                                  IsReadOnly="True"/>

                        <DataGridTextColumn Binding="{Binding OperatingSystem}" 

                                                  Header="OS" 

                                                  Width="*"

                                                  IsReadOnly="True"/>

                        <DataGridTextColumn Binding="{Binding PrimaryUser}" 

                                                  Header="Primary User" 

                                                  Width="*"

                                                  IsReadOnly="True"/>

                        <DataGridTextColumn Binding="{Binding AzureADLastContact}" 

                                                  Header="Entra ID Last Contact" 

                                                  Width="*"

                                                  IsReadOnly="True"/>

                        <DataGridTextColumn Binding="{Binding IntuneLastContact}" 

                                                  Header="Intune Last Contact" 

                                                  Width="*"

                                                  IsReadOnly="True"/>

                        <DataGridTextColumn Binding="{Binding AutopilotLastContact}" 

                                                  Header="Autopilot Last Contact" 

                                                  Width="*"

                                                  IsReadOnly="True"/>

                    </DataGrid.Columns>

                </DataGrid>

                <!-- Status Section -->

                <UniformGrid Grid.Row="4"

                           Rows="1"

                           Margin="0,0,0,15">

                    <!-- Intune Status -->

                    <Border Background="#1B2A47"

                            Margin="0,0,8,0"

                            CornerRadius="6"

                            Effect="{StaticResource CardShadow}">

                        <Grid Margin="12,8">

                            <Grid.ColumnDefinitions>

                                <ColumnDefinition Width="Auto"/>

                                <ColumnDefinition Width="*"/>

                            </Grid.ColumnDefinitions>

                            <Path Data="M21,14V4H3V14H21M21,2A2,2 0 0,1 23,4V16A2,2 0 0,1 21,18H14L16,21V22H8V21L10,18H3C1.89,18 1,17.1 1,16V4C1,2.89 1.89,2 3,2H21M4,5H20V13H4V5Z"

                                  Fill="#4299E1"

                                  Width="20"

                                  Height="20"

                                  Stretch="Uniform"

                                  VerticalAlignment="Center"/>

                            <TextBlock x:Name="intune_status"

                                     Grid.Column="1"

                                     Margin="8,0,0,0"

                                     FontSize="13"

                                     Text="Intune"

                                     Foreground="White"

                                     VerticalAlignment="Center"/>

                        </Grid>

                    </Border>

                    <!-- Autopilot Status -->

                    <Border Background="#1B2A47"

                            Margin="8,0"

                            CornerRadius="6"

                            Effect="{StaticResource CardShadow}">

                        <Grid Margin="12,8">

                            <Grid.ColumnDefinitions>

                                <ColumnDefinition Width="Auto"/>

                                <ColumnDefinition Width="*"/>

                            </Grid.ColumnDefinitions>

                            <Path Data="M12,3L1,9L12,15L21,10.09V17H23V9M5,13.18V17.18L12,21L19,17.18V13.18L12,17L5,13.18Z"

                                  Fill="#48BB78"

                                  Width="20"

                                  Height="20"

                                  Stretch="Uniform"

                                  VerticalAlignment="Center"/>

                            <TextBlock x:Name="autopilot_status"

                                     Grid.Column="1"

                                     Margin="8,0,0,0"

                                     FontSize="13"

                                     Text="Autopilot"

                                     Foreground="White"

                                     VerticalAlignment="Center"/>

                        </Grid>

                    </Border>

                    <!-- Entra ID Status -->

                    <Border Background="#1B2A47"

                            Margin="8,0,0,0"

                            CornerRadius="6"

                            Effect="{StaticResource CardShadow}">

                        <Grid Margin="12,8">

                            <Grid.ColumnDefinitions>

                                <ColumnDefinition Width="Auto"/>

                                <ColumnDefinition Width="*"/>

                            </Grid.ColumnDefinitions>

                            <Path Data="M12,5.5A3.5,3.5 0 0,1 15.5,9A3.5,3.5 0 0,1 12,12.5A3.5,3.5 0 0,1 8.5,9A3.5,3.5 0 0,1 12,5.5M5,8C5.56,8 6.08,8.15 6.53,8.42C6.38,9.85 6.8,11.27 7.66,12.38C7.16,13.34 6.16,14 5,14A3,3 0 0,1 2,11A3,3 0 0,1 5,8M19,8A3,3 0 0,1 22,11A3,3 0 0,1 19,14C17.84,14 16.84,13.34 16.34,12.38C17.2,11.27 17.62,9.85 17.47,8.42C17.92,8.15 18.44,8 19,8M5.5,18.25C5.5,16.18 8.41,14.5 12,14.5C15.59,14.5 18.5,16.18 18.5,18.25V20H5.5V18.25M0,20V18.5C0,17.11 1.89,15.94 4.45,15.6C3.86,16.28 3.5,17.22 3.5,18.25V20H0M24,20H20.5V18.25C20.5,17.22 20.14,16.28 19.55,15.6C22.11,15.94 24,17.11 24,18.5V20Z"

                                  Fill="#ED64A6"

                                  Width="20"

                                  Height="20"

                                  Stretch="Uniform"

                                  VerticalAlignment="Center"/>

                            <TextBlock x:Name="aad_status"

                                     Grid.Column="1"

                                     Margin="8,0,0,0"

                                     FontSize="13"

                                     Text="Entra ID"

                                     Foreground="White"

                                     VerticalAlignment="Center"/>

                        </Grid>

                    </Border>

                </UniformGrid>

                <!-- Bottom Section -->

                <Grid Grid.Row="5">

                    <Grid.ColumnDefinitions>

                        <ColumnDefinition Width="Auto"/>

                    </Grid.ColumnDefinitions>

                    <!-- Left Side -->

                    <Button x:Name="OffboardButton"

                            Content="Offboard device(s)"

                            Grid.Column="0"

                            Height="40"

                            Padding="20,0"

                            Background="#DC2626"

                            Foreground="White"

                            BorderThickness="0"

                            Margin="0,0,8,0">

                        <Button.Resources>

                            <Style TargetType="Border">

                                <Setter Property="CornerRadius" Value="6"/>

                            </Style>

                        </Button.Resources>

                        <Button.Style>

                            <Style TargetType="Button">

                                <Setter Property="Template">

                                    <Setter.Value>

                                        <ControlTemplate TargetType="Button">

                                            <Border Background="{TemplateBinding Background}"

                                                    BorderBrush="{TemplateBinding BorderBrush}"

                                                    BorderThickness="{TemplateBinding BorderThickness}"

                                                    CornerRadius="6">

                                                <ContentPresenter HorizontalAlignment="Center"

                                                                VerticalAlignment="Center"

                                                                Margin="{TemplateBinding Padding}"/>

                                            </Border>

                                            <ControlTemplate.Triggers>

                                                <Trigger Property="IsMouseOver" Value="True">

                                                    <Setter Property="Background" Value="#B91C1C"/>

                                                </Trigger>

                                                <Trigger Property="IsEnabled" Value="False">

                                                    <Setter Property="Background" Value="#FCA5A5"/>

                                                </Trigger>

                                            </ControlTemplate.Triggers>

                                        </ControlTemplate>

                                    </Setter.Value>

                                </Setter>

                            </Style>

                        </Button.Style>

                    </Button>

                </Grid>

            </Grid>

            <!-- Playbooks Page -->

            <Grid x:Name="PlaybooksPage" Visibility="Collapsed">

                <Grid.RowDefinitions>

                    <RowDefinition Height="Auto"/>

                    <RowDefinition Height="*"/>

                </Grid.RowDefinitions>

                <Grid Grid.Row="0" Margin="20">

                    <Grid.RowDefinitions>

                        <RowDefinition Height="Auto"/>

                        <RowDefinition Height="Auto"/>

                    </Grid.RowDefinitions>

                    <TextBlock Text="Playbooks"

                             FontSize="32"

                             FontWeight="Bold"

                             Foreground="#323130"

                             Margin="0,0,0,10"/>

                    <TextBlock Grid.Row="1"

                             Text="Automated device management tasks and reports"

                             FontSize="16"

                             Opacity="0.7"/>

                </Grid>

                <ScrollViewer Grid.Row="1"

                             x:Name="PlaybooksScrollViewer"

                             Margin="20,0,20,20"

                             VerticalScrollBarVisibility="Auto">

                    <WrapPanel>

                        <Button x:Name="PlaybookAutopilotNotIntune"

                                Style="{StaticResource PlaybookButtonStyle}"

                                Width="380"

                                Height="120"

                                Margin="0,0,15,15"

                                Content="Autopilot Devices Not in Intune"

                                Tag="Identify devices registered in Autopilot but missing from Intune management"/>

                        <Button x:Name="PlaybookIntuneNotAutopilot"

                                Style="{StaticResource PlaybookButtonStyle}"

                                Width="380"

                                Height="120"

                                Margin="0,0,15,15"

                                Content="Intune Devices Not in Autopilot"

                                Tag="Find managed devices that aren't registered in Autopilot"

                                IsEnabled="False"/>

                        <Button x:Name="PlaybookCorporateDevices"

                                Style="{StaticResource PlaybookButtonStyle}"

                                Width="380"

                                Height="120"

                                Margin="0,0,15,15"

                                Content="Corporate Device Inventory"

                                Tag="View all company-owned devices managed in Intune"

                                IsEnabled="False"/>

                        <Button x:Name="PlaybookPersonalDevices"

                                Style="{StaticResource PlaybookButtonStyle}"

                                Width="380"

                                Height="120"

                                Margin="0,0,15,15"

                                Content="Personal Device Inventory"

                                Tag="List all BYOD devices enrolled in Intune"

                                IsEnabled="False"/>

                        <Button x:Name="PlaybookStaleDevices"

                                Style="{StaticResource PlaybookButtonStyle}"

                                Width="380"

                                Height="120"

                                Margin="0,0,15,15"

                                Content="Stale Device Report"

                                Tag="Identify devices that haven't checked in recently"

                                IsEnabled="False"/>

                        <Button x:Name="PlaybookSpecificOS"

                                Style="{StaticResource PlaybookButtonStyle}"

                                Width="380"

                                Height="120"

                                Margin="0,0,15,15"

                                Content="OS-Specific Device List"

                                Tag="Filter devices by operating system version"

                                IsEnabled="False"/>

                        <Button x:Name="PlaybookNotLatestOS"

                                Style="{StaticResource PlaybookButtonStyle}"

                                Width="380"

                                Height="120"

                                Margin="0,0,15,15"

                                Content="Outdated OS Report"

                                Tag="Find devices running older operating system versions"

                                IsEnabled="False"/>

                        <Button x:Name="PlaybookEOLOS"

                                Style="{StaticResource PlaybookButtonStyle}"

                                Width="380"

                                Height="120"

                                Margin="0,0,15,15"

                                Content="End-of-Life OS Report"

                                Tag="Identify devices running unsupported OS versions"

                                IsEnabled="False"/>

                        <Button x:Name="PlaybookBitLocker"

                                Style="{StaticResource PlaybookButtonStyle}"

                                Width="380"

                                Height="120"

                                Margin="0,0,15,15"

                                Content="BitLocker Key Report"

                                Tag="View BitLocker recovery keys for Windows devices"

                                IsEnabled="False"/>

                        <Button x:Name="PlaybookFileVault"

                                Style="{StaticResource PlaybookButtonStyle}"

                                Width="380"

                                Height="120"

                                Margin="0,0,15,15"

                                Content="FileVault Key Report"

                                Tag="View FileVault recovery keys for macOS devices"

                                IsEnabled="False"/>

                    </WrapPanel>

                </ScrollViewer>

                <!-- Playbook Results -->

                <Grid x:Name="PlaybookResultsGrid" 

                      Visibility="Collapsed"

                      Grid.Row="1">

                    <Grid.RowDefinitions>

                        <RowDefinition Height="Auto"/>  <!-- Back button -->

                        <RowDefinition Height="Auto"/>  <!-- Results header -->

                        <RowDefinition Height="*"/>     <!-- DataGrid -->

                    </Grid.RowDefinitions>

                    <!-- Header with Back Button -->

                    <StackPanel Grid.Row="0"

                              Orientation="Horizontal"

                              Margin="20,0,20,10">

                        <Button x:Name="BackToPlaybooksButton"

                                Content="← Back to Playbooks"

                                Height="32"

                                Padding="12,0"

                                Background="#F0F0F0"

                                Foreground="#2D3748"

                                BorderThickness="0">

                            <Button.Resources>

                                <Style TargetType="Border">

                                    <Setter Property="CornerRadius" Value="4"/>

                                </Style>

                            </Button.Resources>

                        </Button>

                    </StackPanel>

                    <!-- Results Header -->

                    <TextBlock Grid.Row="1"

                              x:Name="PlaybookResultsHeader"

                              Text="Devices in Autopilot but not in Intune"

                              FontSize="20"

                              FontWeight="SemiBold"

                              Margin="20,0,20,10"/>

                    <!-- Results DataGrid -->

                    <DataGrid x:Name="PlaybookResultsDataGrid"

                              Grid.Row="2"

                             Margin="20"

                              Style="{StaticResource {x:Type DataGrid}}"

                              AutoGenerateColumns="False"

                              IsReadOnly="True"

                              HeadersVisibility="Column"

                              GridLinesVisibility="All"

                              AlternatingRowBackground="#F8F8F8">

                        <DataGrid.Columns>

                            <DataGridTextColumn Header="Device Name"

                                              Binding="{Binding DeviceName}"

                                              Width="*"/>

                            <DataGridTextColumn Header="Serial Number"

                                              Binding="{Binding SerialNumber}"

                                              Width="*"/>

                            <DataGridTextColumn Header="Operating System"

                                              Binding="{Binding OperatingSystem}"

                                              Width="*"/>

                            <DataGridTextColumn Header="Primary User"

                                              Binding="{Binding PrimaryUser}"

                                              Width="*"/>

                            <DataGridTextColumn Header="Last Contact"

                                              Binding="{Binding AutopilotLastContact}"

                                              Width="*"/>

                        </DataGrid.Columns>

                    </DataGrid>

                </Grid>

            </Grid>

        </Grid>

    </Grid>

</Window>

"@

# Define Changelog Modal XAML

[xml]$changelogModalXaml = @"

<Window

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

    Title="Changelog" Height="600" Width="800"

    WindowStartupLocation="CenterScreen"

    Background="#F8F9FA">

    <Border Background="White"

            CornerRadius="8"

            Margin="16">

        <DockPanel Margin="24">

            <!-- Header -->

            <StackPanel DockPanel.Dock="Top"

                       Margin="0,0,0,24">

                <TextBlock Text="Changelog"

                          FontSize="24"

                          FontWeight="SemiBold"

                          Foreground="#1A202C"/>

            </StackPanel>

            <!-- Close Button -->

            <Button x:Name="CloseChangelogButton"

                    DockPanel.Dock="Bottom"

                    Content="Close"

                    Width="120"

                    Height="40"

                    Background="#F0F0F0"

                    Foreground="#2D3748"

                    BorderThickness="0"

                    HorizontalAlignment="Right"

                    Margin="0,24,0,0"/>

            <!-- Changelog Content -->

            <ScrollViewer VerticalScrollBarVisibility="Auto"

                         HorizontalScrollBarVisibility="Auto">

                <RichTextBox x:Name="ChangelogContent"

                            Background="Transparent"

                            BorderThickness="0"

                            IsReadOnly="True"

                            Margin="20"

                            Width="Auto">

                    <RichTextBox.Resources>

                        <Style TargetType="{x:Type Paragraph}">

                            <Setter Property="Margin" Value="0,0,0,10"/>

                        </Style>

                    </RichTextBox.Resources>

                    <RichTextBox.Document>

                        <FlowDocument PageWidth="{Binding ActualWidth, RelativeSource={RelativeSource AncestorType=ScrollViewer}}">

                        </FlowDocument>

                    </RichTextBox.Document>

                </RichTextBox>

            </ScrollViewer>

        </DockPanel>

    </Border>

</Window>

"@

# Define Prerequisites Modal XAML

[xml]$prerequisitesModalXaml = @"

<Window

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

    Title="Prerequisites Check" Height="500" Width="600"

    WindowStartupLocation="CenterScreen"

    Background="#F8F9FA">

    <Window.Resources>

        <Style x:Key="CheckItemStyle" TargetType="StackPanel">

            <Setter Property="Margin" Value="0,8,0,8"/>

        </Style>

        <Style x:Key="CheckTextStyle" TargetType="TextBlock">

            <Setter Property="VerticalAlignment" Value="Center"/>

            <Setter Property="Margin" Value="8,0,0,0"/>

            <Setter Property="FontSize" Value="14"/>

        </Style>

        <Style x:Key="InstallButtonStyle" TargetType="Button">

            <Setter Property="Margin" Value="8,0,0,0"/>

            <Setter Property="Padding" Value="8,4"/>

            <Setter Property="Background" Value="#0078D4"/>

            <Setter Property="Foreground" Value="White"/>

            <Setter Property="BorderThickness" Value="0"/>

        </Style>

    </Window.Resources>

    <Border Background="White"

            CornerRadius="8"

            Margin="16">

        <DockPanel Margin="24">

            <!-- Header -->

            <StackPanel DockPanel.Dock="Top"

                       Margin="0,0,0,24">

                <TextBlock Text="Prerequisites Check"

                          FontSize="24"

                          FontWeight="SemiBold"

                          Foreground="#1A202C"/>

                <TextBlock Text="Checking required permissions and modules"

                          Foreground="#4A5568"

                          FontSize="14"

                          Margin="0,8,0,0"/>

            </StackPanel>

            <!-- Action Buttons -->

            <StackPanel DockPanel.Dock="Bottom"

                       Orientation="Horizontal"

                       HorizontalAlignment="Right"

                       Margin="0,24,0,0">

                <Button x:Name="ClosePrereqButton"

                        Content="Close"

                        Width="120"

                        Height="40"

                        Background="#F0F0F0"

                        Foreground="#2D3748"

                        BorderThickness="0"/>

            </StackPanel>

            <!-- Scrollable Content -->

            <ScrollViewer VerticalScrollBarVisibility="Auto"

                         HorizontalScrollBarVisibility="Disabled">

                <StackPanel>

                    <!-- API Permissions Section -->

                    <TextBlock Text="API Permissions"

                             FontSize="18"

                             FontWeight="SemiBold"

                             Margin="0,0,0,16"/>

                    <StackPanel x:Name="PermissionsPanel">

                        <!-- Permissions will be added here dynamically -->

                    </StackPanel>

                    <!-- Module Section -->

                    <TextBlock Text="Required Modules"

                             FontSize="18"

                             FontWeight="SemiBold"

                             Margin="0,24,0,16"/>

                    <StackPanel x:Name="ModulePanel">

                        <!-- Module check will be added here dynamically -->

                    </StackPanel>

                </StackPanel>

            </ScrollViewer>

        </DockPanel>

    </Border>

</Window>

"@

# Define Authentication Modal XAML

[xml]$authModalXaml = @"

<Window 

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

    Title="Authentication" Height="500" Width="650"

    WindowStartupLocation="CenterScreen"

    Background="#F8F9FA">

    <Window.Resources>

        <!-- Radio Button Style -->

        <Style x:Key="AuthRadioButtonStyle" TargetType="RadioButton">

            <Setter Property="Margin" Value="0,8,8,8"/>

            <Setter Property="Padding" Value="8,6"/>

            <Setter Property="FontSize" Value="14"/>

            <Setter Property="Foreground" Value="#2D3748"/>

            <Setter Property="Template">

                <Setter.Value>

                    <ControlTemplate TargetType="RadioButton">

                        <Border x:Name="border" 

                                Background="{TemplateBinding Background}"

                                BorderBrush="#E2E8F0"

                                BorderThickness="1"

                                CornerRadius="6"

                                Padding="12">

                            <Grid>

                                <Grid.ColumnDefinitions>

                                    <ColumnDefinition Width="24"/>

                                    <ColumnDefinition Width="*"/>

                                </Grid.ColumnDefinitions>

                                <Ellipse x:Name="radioOuter"

                                         Width="18" Height="18"

                                         Stroke="#CBD5E0"

                                         StrokeThickness="2"

                                         Fill="Transparent"/>

                                <Ellipse x:Name="radioInner"

                                         Width="10" Height="10"

                                         Fill="#0078D4"

                                         Opacity="0"/>

                                <ContentPresenter Grid.Column="1"

                                                Margin="12,0,0,0"

                                                VerticalAlignment="Center"/>

                            </Grid>

                        </Border>

                        <ControlTemplate.Triggers>

                            <Trigger Property="IsMouseOver" Value="True">

                                <Setter TargetName="border" Property="Background" Value="#F7FAFC"/>

                                <Setter TargetName="radioOuter" Property="Stroke" Value="#0078D4"/>

                            </Trigger>

                            <Trigger Property="IsChecked" Value="True">

                                <Setter TargetName="radioInner" Property="Opacity" Value="1"/>

                                <Setter TargetName="radioOuter" Property="Stroke" Value="#0078D4"/>

                                <Setter TargetName="border" Property="BorderBrush" Value="#0078D4"/>

                                <Setter TargetName="border" Property="Background" Value="#F0F9FF"/>

                            </Trigger>

                        </ControlTemplate.Triggers>

                    </ControlTemplate>

                </Setter.Value>

            </Setter>

        </Style>

        <!-- TextBox Style -->

        <Style x:Key="AuthTextBoxStyle" TargetType="TextBox">

            <Setter Property="Height" Value="36"/>

            <Setter Property="Padding" Value="12,8"/>

            <Setter Property="Margin" Value="0,4"/>

            <Setter Property="Background" Value="White"/>

            <Setter Property="BorderBrush" Value="#E2E8F0"/>

            <Setter Property="BorderThickness" Value="1"/>

            <Setter Property="FontSize" Value="13"/>

            <Setter Property="VerticalContentAlignment" Value="Center"/>

            <Style.Triggers>

                <Trigger Property="IsMouseOver" Value="True">

                    <Setter Property="BorderBrush" Value="#0078D4"/>

                </Trigger>

                <Trigger Property="IsFocused" Value="True">

                    <Setter Property="BorderBrush" Value="#0078D4"/>

                </Trigger>

            </Style.Triggers>

        </Style>

        <!-- Password Box Style -->

        <Style x:Key="AuthPasswordBoxStyle" TargetType="PasswordBox">

            <Setter Property="Height" Value="36"/>

            <Setter Property="Padding" Value="12,8"/>

            <Setter Property="Margin" Value="0,4"/>

            <Setter Property="Background" Value="White"/>

            <Setter Property="BorderBrush" Value="#E2E8F0"/>

            <Setter Property="BorderThickness" Value="1"/>

            <Setter Property="FontSize" Value="13"/>

            <Setter Property="VerticalContentAlignment" Value="Center"/>

        </Style>

        <!-- Button Style -->

        <Style x:Key="AuthButtonStyle" TargetType="Button">

            <Setter Property="Height" Value="40"/>

            <Setter Property="Padding" Value="24,0"/>

            <Setter Property="Background" Value="#0078D4"/>

            <Setter Property="Foreground" Value="White"/>

            <Setter Property="BorderThickness" Value="0"/>

            <Setter Property="FontSize" Value="14"/>

            <Setter Property="Template">

                <Setter.Value>

                    <ControlTemplate TargetType="Button">

                        <Border Background="{TemplateBinding Background}"

                                CornerRadius="6"

                                Padding="{TemplateBinding Padding}">

                            <ContentPresenter HorizontalAlignment="Center" 

                                            VerticalAlignment="Center"/>

                        </Border>

                        <ControlTemplate.Triggers>

                            <Trigger Property="IsMouseOver" Value="True">

                                <Setter Property="Background" Value="#106EBE"/>

                            </Trigger>

                            <Trigger Property="IsPressed" Value="True">

                                <Setter Property="Background" Value="#005A9E"/>

                            </Trigger>

                        </ControlTemplate.Triggers>

                    </ControlTemplate>

                </Setter.Value>

            </Setter>

        </Style>

        <!-- Secondary Button Style -->

        <Style x:Key="SecondaryButtonStyle" TargetType="Button">

            <Setter Property="Height" Value="40"/>

            <Setter Property="Padding" Value="24,0"/>

            <Setter Property="Background" Value="#F0F0F0"/>

            <Setter Property="Foreground" Value="#2D3748"/>

            <Setter Property="BorderThickness" Value="0"/>

            <Setter Property="FontSize" Value="14"/>

            <Setter Property="Template">

                <Setter.Value>

                    <ControlTemplate TargetType="Button">

                        <Border Background="{TemplateBinding Background}"

                                CornerRadius="6"

                                Padding="{TemplateBinding Padding}">

                            <ContentPresenter HorizontalAlignment="Center" 

                                            VerticalAlignment="Center"/>

                        </Border>

                        <ControlTemplate.Triggers>

                            <Trigger Property="IsMouseOver" Value="True">

                                <Setter Property="Background" Value="#E2E2E2"/>

                            </Trigger>

                            <Trigger Property="IsPressed" Value="True">

                                <Setter Property="Background" Value="#D4D4D4"/>

                            </Trigger>

                        </ControlTemplate.Triggers>

                    </ControlTemplate>

                </Setter.Value>

            </Setter>

        </Style>

    </Window.Resources>

    <Border Background="White" 

            CornerRadius="8" 

            Margin="16">

        <DockPanel Margin="24">

            <!-- Header -->

            <StackPanel DockPanel.Dock="Top" 

                       Margin="0,0,0,24">

                <TextBlock Text="Connect to Microsoft Graph" 

                          FontSize="24" 

                          FontWeight="SemiBold" 

                          Foreground="#1A202C"/>

                <TextBlock Text="Choose your preferred authentication method to connect to Microsoft Graph API"

                          Foreground="#4A5568"

                          FontSize="14"

                          Margin="0,8,0,0"/>

            </StackPanel>

            <!-- Action Buttons -->

            <StackPanel DockPanel.Dock="Bottom" 

                       Orientation="Horizontal" 

                       HorizontalAlignment="Right"

                       Margin="0,24,0,0">

                <Button x:Name="CancelAuthButton" 

                        Content="Cancel" 

                        Style="{StaticResource SecondaryButtonStyle}"

                        Width="120" 

                        Margin="0,0,12,0"/>

                <Button x:Name="ConnectButton" 

                        Content="Connect" 

                        Style="{StaticResource AuthButtonStyle}"

                        Width="120"/>

            </StackPanel>

            <!-- Scrollable Content -->

            <ScrollViewer VerticalScrollBarVisibility="Auto"

                         HorizontalScrollBarVisibility="Disabled"

                         Padding="0,0,16,0">

                <StackPanel Margin="0,0,8,0">

                    <RadioButton x:Name="InteractiveAuth" 

                                Style="{StaticResource AuthRadioButtonStyle}"

                                Content="Interactive Login (Admin User)" 

                                IsChecked="True"/>

                    <RadioButton x:Name="CertificateAuth" 

                                Style="{StaticResource AuthRadioButtonStyle}"

                                Content="App Registration with Certificate"/>

                    <Grid x:Name="CertificateInputs" 

                          Margin="44,8,0,16" 

                          Visibility="Collapsed">

                        <Grid.RowDefinitions>

                            <RowDefinition Height="Auto"/>

                            <RowDefinition Height="Auto"/>

                            <RowDefinition Height="Auto"/>

                            <RowDefinition Height="Auto"/>

                            <RowDefinition Height="Auto"/>

                        </Grid.RowDefinitions>

                        <Grid.ColumnDefinitions>

                            <ColumnDefinition Width="100"/>

                            <ColumnDefinition Width="*"/>

                        </Grid.ColumnDefinitions>

                        <TextBlock Text="App ID" 

                                  Grid.Row="0" 

                                  VerticalAlignment="Center"

                                  Foreground="#4A5568"/>

                        <TextBox x:Name="CertAppId" 

                                 Grid.Row="0" 

                                 Grid.Column="1"

                                 Style="{StaticResource AuthTextBoxStyle}"/>

                        <TextBlock Text="Tenant ID" 

                                  Grid.Row="1" 

                                  VerticalAlignment="Center"

                                  Foreground="#4A5568"/>

                        <TextBox x:Name="CertTenantId" 

                                 Grid.Row="1" 

                                 Grid.Column="1"

                                 Style="{StaticResource AuthTextBoxStyle}"/>

                        <TextBlock Text="Thumbprint" 

                                  Grid.Row="2" 

                                  VerticalAlignment="Center"

                                  Foreground="#4A5568"/>

                        <TextBox x:Name="CertThumbprint" 

                                 Grid.Row="2" 

                                 Grid.Column="1"

                                 Style="{StaticResource AuthTextBoxStyle}"/>

                        <!-- Import Button -->

                        <Button x:Name="ImportCertButton"

                                Grid.Row="3"

                                Grid.Column="1"

                                Content="Import"

                                HorizontalAlignment="Right"

                                Style="{StaticResource SecondaryButtonStyle}"

                                Height="32"

                                Width="120"

                                Margin="0,12,0,0"/>

                        <!-- Help Text -->

                        <TextBlock Grid.Row="4" 

                                  Grid.Column="0"

                                  Grid.ColumnSpan="2"

                                  Text="Import format: JSON file (.json) containing AppId, TenantId, and Thumbprint"

                                  Foreground="#718096"

                                  HorizontalAlignment="Right"

                                  FontSize="12"

                                  Margin="0,8,0,0"

                                  TextWrapping="Wrap"/>

                    </Grid>

                    <RadioButton x:Name="SecretAuth" 

                                Style="{StaticResource AuthRadioButtonStyle}"

                                Content="App Registration with Secret"/>

                    <Grid x:Name="SecretInputs" 

                          Margin="44,8,0,16" 

                          Visibility="Collapsed">

                        <Grid.RowDefinitions>

                            <RowDefinition Height="Auto"/>

                            <RowDefinition Height="Auto"/>

                            <RowDefinition Height="Auto"/>

                            <RowDefinition Height="Auto"/>

                            <RowDefinition Height="Auto"/>

                        </Grid.RowDefinitions>

                        <Grid.ColumnDefinitions>

                            <ColumnDefinition Width="100"/>

                            <ColumnDefinition Width="*"/>

                        </Grid.ColumnDefinitions>

                        <TextBlock Text="App ID" 

                                  Grid.Row="0" 

                                  VerticalAlignment="Center"

                                  Foreground="#4A5568"/>

                        <TextBox x:Name="SecretAppId" 

                                 Grid.Row="0" 

                                 Grid.Column="1"

                                 Style="{StaticResource AuthTextBoxStyle}"/>

                        <TextBlock Text="Tenant ID" 

                                  Grid.Row="1" 

                                  VerticalAlignment="Center"

                                  Foreground="#4A5568"/>

                        <TextBox x:Name="SecretTenantId" 

                                 Grid.Row="1" 

                                 Grid.Column="1"

                                 Style="{StaticResource AuthTextBoxStyle}"/>

                        <TextBlock Text="Client Secret" 

                                  Grid.Row="2" 

                                  VerticalAlignment="Center"

                                  Foreground="#4A5568"/>

                        <PasswordBox x:Name="ClientSecret" 

                                    Grid.Row="2" 

                                    Grid.Column="1"

                                    Style="{StaticResource AuthPasswordBoxStyle}"/>

                        <!-- Import Button -->

                        <Button x:Name="ImportSecretButton"

                                Grid.Row="3"

                                Grid.Column="1"

                                Content="Import"

                                HorizontalAlignment="Right"

                                Style="{StaticResource SecondaryButtonStyle}"

                                Height="32"

                                Width="120"

                                Margin="0,12,0,0"/>

                        <!-- Help Text -->

                        <TextBlock Grid.Row="4" 

                                  Grid.Column="0"

                                  Grid.ColumnSpan="2"

                                  Text="Import format: JSON file (.json) containing AppId, TenantId, and ClientSecret"

                                  Foreground="#718096"

                                  HorizontalAlignment="Right"

                                  FontSize="12"

                                  Margin="0,8,0,0"

                                  TextWrapping="Wrap"/>

                    </Grid>

                </StackPanel>

            </ScrollViewer>

        </DockPanel>

    </Border>

</Window>

"@

# Define required permissions with reasons

$script:requiredPermissions = @(

    @{

        Permission = "User.Read.All"

        Reason     = "Required to read user profile information and check group memberships"

    },

    @{

        Permission = "Group.Read.All"

        Reason     = "Needed to read group information and memberships"

    },

    @{

        Permission = "DeviceManagementConfiguration.Read.All"

        Reason     = "Allows reading Intune device configuration policies and their assignments"

    },

    @{

        Permission = "DeviceManagementApps.Read.All"

        Reason     = "Necessary to read mobile app management policies and app configurations"

    },

    @{

        Permission = "DeviceManagementManagedDevices.ReadWrite.All"

        Reason     = "Required to read and modify managed device information and compliance policies"

    },

    @{

        Permission = "Device.Read.All"

        Reason     = "Needed to read device information from Entra ID"

    },

    @{

        Permission = "DeviceManagementServiceConfig.ReadWrite.All"

        Reason     = "Required for Autopilot configuration and management"

    }

)

function Show-AuthenticationDialog {

    $reader = (New-Object System.Xml.XmlNodeReader $authModalXaml)

    $authWindow = [Windows.Markup.XamlReader]::Load($reader)

    # Get controls

    $interactiveAuth = $authWindow.FindName('InteractiveAuth')

    $certificateAuth = $authWindow.FindName('CertificateAuth')

    $secretAuth = $authWindow.FindName('SecretAuth')

    $certificateInputs = $authWindow.FindName('CertificateInputs')

    $secretInputs = $authWindow.FindName('SecretInputs')

    $connectButton = $authWindow.FindName('ConnectButton')

    $cancelAuthButton = $authWindow.FindName('CancelAuthButton')

    $importCertButton = $authWindow.FindName('ImportCertButton')

    $importSecretButton = $authWindow.FindName('ImportSecretButton')

    # Add event handlers for radio buttons

    $certificateAuth.Add_Checked({

            $certificateInputs.Visibility = 'Visible'

            $secretInputs.Visibility = 'Collapsed'

        })

    $secretAuth.Add_Checked({

            $secretInputs.Visibility = 'Visible'

            $certificateInputs.Visibility = 'Collapsed'

        })

    $interactiveAuth.Add_Checked({

            $certificateInputs.Visibility = 'Collapsed'

            $secretInputs.Visibility = 'Collapsed'

        })

    # Add import button handlers

    $importCertButton.Add_Click({

            $OpenFileDialog = New-Object System.Windows.Forms.OpenFileDialog

            $OpenFileDialog.Filter = "JSON files (*.json)|*.json"

            $OpenFileDialog.Title = "Import Certificate Configuration"

            if ($OpenFileDialog.ShowDialog() -eq 'OK') {

                try {

                    $config = Get-Content $OpenFileDialog.FileName | ConvertFrom-Json

                    if ($config.AppId -and $config.TenantId -and $config.Thumbprint) {

                        $authWindow.FindName('CertAppId').Text = $config.AppId

                        $authWindow.FindName('CertTenantId').Text = $config.TenantId

                        $authWindow.FindName('CertThumbprint').Text = $config.Thumbprint

                    }

                    else {

                        [System.Windows.MessageBox]::Show(

                            "Invalid configuration file. Please ensure it contains AppId, TenantId, and Thumbprint.",

                            "Invalid Configuration",

                            [System.Windows.MessageBoxButton]::OK,

                            [System.Windows.MessageBoxImage]::Warning

                        )

                    }

                }

                catch {

                    [System.Windows.MessageBox]::Show(

                        "Error reading configuration file: $_",

                        "Error",

                        [System.Windows.MessageBoxButton]::OK,

                        [System.Windows.MessageBoxImage]::Error

                    )

                }

            }

        })

    $importSecretButton.Add_Click({

            $OpenFileDialog = New-Object System.Windows.Forms.OpenFileDialog

            $OpenFileDialog.Filter = "JSON files (*.json)|*.json"

            $OpenFileDialog.Title = "Import Secret Configuration"

            if ($OpenFileDialog.ShowDialog() -eq 'OK') {

                try {

                    $config = Get-Content $OpenFileDialog.FileName | ConvertFrom-Json

                    if ($config.AppId -and $config.TenantId -and $config.ClientSecret) {

                        $authWindow.FindName('SecretAppId').Text = $config.AppId

                        $authWindow.FindName('SecretTenantId').Text = $config.TenantId

                        $authWindow.FindName('ClientSecret').Password = $config.ClientSecret

                    }

                    else {

                        [System.Windows.MessageBox]::Show(

                            "Invalid configuration file. Please ensure it contains AppId, TenantId, and ClientSecret.",

                            "Invalid Configuration",

                            [System.Windows.MessageBoxButton]::OK,

                            [System.Windows.MessageBoxImage]::Warning

                        )

                    }

                }

                catch {

                    [System.Windows.MessageBox]::Show(

                        "Error reading configuration file: $_",

                        "Error",

                        [System.Windows.MessageBoxButton]::OK,

                        [System.Windows.MessageBoxImage]::Error

                    )

                }

            }

        })

    # Add event handlers for buttons

    $cancelAuthButton.Add_Click({

            $script:authCancelled = $true

            $authWindow.DialogResult = $false

            $authWindow.Close()

        })

    $connectButton.Add_Click({

            # Validate fields based on selected authentication method

            if ($certificateAuth.IsChecked) {

                if ([string]::IsNullOrWhiteSpace($authWindow.FindName('CertAppId').Text) -or

                    [string]::IsNullOrWhiteSpace($authWindow.FindName('CertTenantId').Text) -or

                    [string]::IsNullOrWhiteSpace($authWindow.FindName('CertThumbprint').Text)) {

                    [System.Windows.MessageBox]::Show(

                        "Please fill in all required fields for certificate authentication.",

                        "Validation Error",

                        [System.Windows.MessageBoxButton]::OK,

                        [System.Windows.MessageBoxImage]::Warning

                    )

                    return

                }

            }

            elseif ($secretAuth.IsChecked) {

                if ([string]::IsNullOrWhiteSpace($authWindow.FindName('SecretAppId').Text) -or

                    [string]::IsNullOrWhiteSpace($authWindow.FindName('SecretTenantId').Text) -or

                    [string]::IsNullOrWhiteSpace($authWindow.FindName('ClientSecret').Password)) {

                    [System.Windows.MessageBox]::Show(

                        "Please fill in all required fields for client secret authentication.",

                        "Validation Error",

                        [System.Windows.MessageBoxButton]::OK,

                        [System.Windows.MessageBoxImage]::Warning

                    )

                    return

                }

            }

            $script:authCancelled = $false

            $authWindow.DialogResult = $true

            $authWindow.Close()

        })

    # Show dialog and return result

    $result = $authWindow.ShowDialog()

    if ($result) {

        # Return authentication details based on selected method

        if ($interactiveAuth.IsChecked) {

            return @{

                Method = 'Interactive'

            }

        }

        elseif ($certificateAuth.IsChecked) {

            return @{

                Method     = 'Certificate'

                AppId      = $authWindow.FindName('CertAppId').Text

                TenantId   = $authWindow.FindName('CertTenantId').Text

                Thumbprint = $authWindow.FindName('CertThumbprint').Text

            }

        }

        else {

            return @{

                Method   = 'Secret'

                AppId    = $authWindow.FindName('SecretAppId').Text

                TenantId = $authWindow.FindName('SecretTenantId').Text

                Secret   = $authWindow.FindName('ClientSecret').Password

            }

        }

    }

    return $null

}

function Connect-ToGraph {

    param (

        [Parameter(Mandatory = $true)]

        [hashtable]$AuthDetails

    )

    try {

        Write-Log "Attempting to connect to Microsoft Graph using $($AuthDetails.Method) authentication..."

        # Get required permissions

        $permissionsList = ($script:requiredPermissions | ForEach-Object { $_.Permission })

        # Connect based on authentication method

        switch ($AuthDetails.Method) {

            'Interactive' {

                $connectionResult = Connect-MgGraph -Scopes $permissionsList -NoWelcome -ErrorAction Stop

            }

            'Certificate' {

                # Validate certificate credentials before attempting connection

                if ([string]::IsNullOrWhiteSpace($AuthDetails.AppId)) {

                    throw "App ID is required for certificate authentication"

                }

                if ([string]::IsNullOrWhiteSpace($AuthDetails.TenantId)) {

                    throw "Tenant ID is required for certificate authentication"

                }

                if ([string]::IsNullOrWhiteSpace($AuthDetails.Thumbprint)) {

                    throw "Certificate Thumbprint is required for certificate authentication"

                }

                # Disconnect any existing connections first

                Disconnect-MgGraph -ErrorAction SilentlyContinue

                $connectionResult = Connect-MgGraph -ClientId $AuthDetails.AppId -TenantId $AuthDetails.TenantId -CertificateThumbprint $AuthDetails.Thumbprint -NoWelcome -ErrorAction Stop

            }

            'Secret' {

                # Validate client secret credentials before attempting connection

                if ([string]::IsNullOrWhiteSpace($AuthDetails.AppId)) {

                    throw "App ID is required for client secret authentication"

                }

                if ([string]::IsNullOrWhiteSpace($AuthDetails.TenantId)) {

                    throw "Tenant ID is required for client secret authentication"

                }

                if ([string]::IsNullOrWhiteSpace($AuthDetails.Secret)) {

                    throw "Client Secret is required for client secret authentication"

                }

                $SecuredPasswordPassword = ConvertTo-SecureString -String $AuthDetails.Secret -AsPlainText -Force

                $ClientSecretCredential = New-Object -TypeName System.Management.Automation.PSCredential -ArgumentList $AuthDetails.AppId, $SecuredPasswordPassword

                $connectionResult = Connect-MgGraph -TenantId $AuthDetails.TenantId -ClientSecretCredential $ClientSecretCredential -NoWelcome -ErrorAction Stop

            }

            default {

                throw "Invalid authentication method specified"

            }

        }

        # Check permissions

        $context = Get-MgContext

        if (-not $context) {

            throw "Failed to get Microsoft Graph context after connection"

        }

        # Get tenant details and update UI

        try {

            Write-Log "Retrieving tenant information..."

            $tenantInfo = Invoke-MgGraphRequest -Uri "https://graph.microsoft.com/v1.0/organization" -Method GET

            if ($tenantInfo.value) {

                $org = $tenantInfo.value[0]

                Write-Log "Found tenant: $($org.displayName)"

                # Update UI elements

                $Window.FindName('TenantDisplayName').Text = $org.displayName

                $Window.FindName('TenantId').Text = $org.id

                $Window.FindName('TenantDomain').Text = $org.verifiedDomains[0].name

                $Window.FindName('TenantInfoSection').Visibility = 'Visible'

            }

            else {

                Write-Log "Warning: No tenant information found in response"

            }

        }

        catch {

            Write-Log "Warning: Could not retrieve tenant details: $_"

            # Don't throw here, as the connection is still valid

        }

        $currentPermissions = $context.Scopes

        $missingPermissions = @()

        foreach ($permissionInfo in $script:requiredPermissions) {

            $permission = $permissionInfo.Permission

            if (-not ($currentPermissions -contains $permission -or

                    $currentPermissions -contains $permission.Replace(".Read", ".ReadWrite"))) {

                $missingPermissions += $permission

            }

        }

        if ($missingPermissions.Count -gt 0) {

            $missingList = $missingPermissions -join ", "

            Write-Log "Warning: Missing permissions: $missingList"

            [System.Windows.MessageBox]::Show(

                "The following permissions are missing: `n$missingList`n`nThe application may not function correctly.",

                "Missing Permissions",

                [System.Windows.MessageBoxButton]::OK,

                [System.Windows.MessageBoxImage]::Warning

            )

        }

        Write-Log "Successfully connected to Microsoft Graph"

        return $true

    }

    catch {

        Write-Log "Failed to connect to Microsoft Graph: $_"

        [System.Windows.MessageBox]::Show(

            "Failed to connect to Microsoft Graph: $_",

            "Connection Error",

            [System.Windows.MessageBoxButton]::OK,

            [System.Windows.MessageBoxImage]::Error

        )

        # Reset UI state on connection failure

        $script:connectionFailed = $true  # Add this flag to track connection failure

        return $false

    }

}

# Parse XAML

$reader = (New-Object System.Xml.XmlNodeReader $xaml)

$Window = [Windows.Markup.XamlReader]::Load($reader)

$script:LogFilePath = [System.IO.Path]::Combine([Environment]::GetFolderPath("Desktop"), "IntuneOffboardingTool_Log.txt")

function Write-Log {

    param(

        [Parameter(Mandatory = $true)]

        [string] $Message

    )

    $timestamp = Get-Date -Format "yyyy-MM-dd HH:mm:ss"

    $logMessage = "$timestamp - $Message"

    Add-Content -Path $script:LogFilePath -Value $logMessage

}

# Connect to Controls

$SearchButton = $Window.FindName("SearchButton")

$OffboardButton = $Window.FindName("OffboardButton")

$AuthenticateButton = $Window.FindName("AuthenticateButton")

$SearchInputText = $Window.FindName("SearchInputText")

$bulk_import_button = $Window.FindName('bulk_import_button')

$Dropdown = $Window.FindName("dropdown")

$Disconnect = $Window.FindName('disconnect_button')

$logs_button = $Window.FindName('logs_button')

$PrerequisitesButton = $Window.FindName('PrerequisitesButton')

$FeedbackLink = $Window.FindName('FeedbackLink')

# Add feedback link handler

$FeedbackLink.Add_Click({

        Start-Process "https://github.com/ugurkocde/DeviceOffboardingManager/issues"

    })

$SearchInputText.Add_GotFocus({

        # Empty - no resizing needed

    })

$SearchInputText.Add_LostFocus({

        # Empty - no resizing needed

    })

$Window.Add_Loaded({

        $Dropdown.Items.Add("Devicename")

        $Dropdown.Items.Add("Serialnumber")

        $Dropdown.SelectedIndex = 0

    })

$Window.Add_Loaded({

        try {

            Write-Log "Window is loading..."

            $context = Get-MgContext

            if ($null -eq $context) {

                Write-Log "Not connected to MS Graph"

                $AuthenticateButton.Content = "Connect to Microsoft Graph"

                $AuthenticateButton.IsEnabled = $true

                $Disconnect.IsEnabled = $false

                $PrerequisitesButton.IsEnabled = $true

                # Disable navigation menus

                $MenuDashboard.IsEnabled = $false

                $MenuDeviceManagement.IsEnabled = $false

                $MenuPlaybooks.IsEnabled = $false

                # Force Home menu selection

                $MenuHome.IsChecked = $true

            }

            else {

                Write-Log "Successfully connected to MS Graph"

                $AuthenticateButton.Content = "Successfully connected"

                $AuthenticateButton.IsEnabled = $false

                $Disconnect.IsEnabled = $true

                $PrerequisitesButton.IsEnabled = $true

                # Enable navigation menus

                $MenuDashboard.IsEnabled = $true

                $MenuDeviceManagement.IsEnabled = $true

                $MenuPlaybooks.IsEnabled = $true

                # Get tenant details for existing connection

                try {

                    Write-Log "Retrieving tenant information for existing connection..."

                    $tenantInfo = Invoke-MgGraphRequest -Uri "https://graph.microsoft.com/v1.0/organization" -Method GET

                    if ($tenantInfo.value) {

                        $org = $tenantInfo.value[0]

                        Write-Log "Found tenant: $($org.displayName)"

                        # Update UI elements

                        $Window.FindName('TenantDisplayName').Text = $org.displayName

                        $Window.FindName('TenantId').Text = $org.id

                        $Window.FindName('TenantDomain').Text = $org.verifiedDomains[0].name

                        $Window.FindName('TenantInfoSection').Visibility = 'Visible'

                    }

                }

                catch {

                    Write-Log "Warning: Could not retrieve tenant details for existing connection: $_"

                }

                # Update dashboard statistics for existing connection

                Update-DashboardStatistics

                # Verify permissions for existing connection

                $currentPermissions = $context.Scopes

                $missingPermissions = @()

                foreach ($permissionInfo in $script:requiredPermissions) {

                    $permission = $permissionInfo.Permission

                    if (-not ($currentPermissions -contains $permission -or

                            $currentPermissions -contains $permission.Replace(".Read", ".ReadWrite"))) {

                        $missingPermissions += $permission

                    }

                }

                if ($missingPermissions.Count -gt 0) {

                    $missingList = $missingPermissions -join ", "

                    Write-Log "Warning: Missing permissions for existing connection: $missingList"

                    [System.Windows.MessageBox]::Show(

                        "The following permissions are missing: `n$missingList`n`nThe application may not function correctly.",

                        "Missing Permissions",

                        [System.Windows.MessageBoxButton]::OK,

                        [System.Windows.MessageBoxImage]::Warning

                    )

                }

            }

        }

        catch {

            Write-Log "Error occurred during window load: $_"

            $AuthenticateButton.Content = "Not Connected to MS Graph"

            $AuthenticateButton.IsEnabled = $true

            $Disconnect.IsEnabled = $false

            $PrerequisitesButton.IsEnabled = $true

            # Disable navigation menus

            $MenuDashboard.IsEnabled = $false

            $MenuDeviceManagement.IsEnabled = $false

            $MenuPlaybooks.IsEnabled = $false

        }

    })

$Disconnect.Add_Click({

        try {

            Write-Log "Attempting to disconnect from MS Graph..."

            # Disconnect from Graph

            Disconnect-MgGraph -ErrorAction Stop

            # Reset UI state

            $Disconnect.Content = "Disconnected"

            $Disconnect.IsEnabled = $false

            $AuthenticateButton.Content = "Connect to MS Graph"

            $AuthenticateButton.IsEnabled = $true

            $PrerequisitesButton.IsEnabled = $true

            # Hide tenant info

            $Window.FindName('TenantInfoSection').Visibility = 'Collapsed'

            $Window.FindName('TenantDisplayName').Text = ""

            $Window.FindName('TenantId').Text = ""

            $Window.FindName('TenantDomain').Text = ""

            # Disable navigation menus and force Home selection

            $MenuDashboard.IsEnabled = $false

            $MenuDeviceManagement.IsEnabled = $false

            $MenuPlaybooks.IsEnabled = $false

            $MenuHome.IsChecked = $true

            # Clear any sensitive data from the dashboard

            $Window.FindName('IntuneDevicesCount').Text = "0"

            $Window.FindName('AutopilotDevicesCount').Text = "0"

            $Window.FindName('EntraIDDevicesCount').Text = "0"

            $Window.FindName('StaleDevices30Count').Text = "0"

            $Window.FindName('StaleDevices90Count').Text = "0"

            $Window.FindName('StaleDevices180Count').Text = "0"

            $Window.FindName('PersonalDevicesCount').Text = "0"

            $Window.FindName('CorporateDevicesCount').Text = "0"

            Write-Log "Successfully disconnected from MS Graph"

        }

        catch {

            Write-Log "Error occurred while attempting to disconnect from MS Graph: $_"

            [System.Windows.MessageBox]::Show(

                "Error disconnecting from Microsoft Graph: $_",

                "Disconnect Error",

                [System.Windows.MessageBoxButton]::OK,

                [System.Windows.MessageBoxImage]::Error

            )

        }

    })

$AuthenticateButton.Add_Click({

        try {

            # Check if already connected

            $context = Get-MgContext

            if ($context) {

                Write-Log "Already connected to MS Graph, skipping authentication dialog"

                return

            }

            Write-Log "Authentication button clicked, showing authentication dialog..."

            # Reset the connection failed flag

            $script:connectionFailed = $false

            # Show authentication dialog

            $authDetails = Show-AuthenticationDialog

            if (-not $authDetails) {

                Write-Log "Authentication cancelled by user"

                # Reset button state if cancelled

                $AuthenticateButton.Content = "Connect to MS Graph"

                $AuthenticateButton.IsEnabled = $true

                return

            }

            # Set button to "Connecting..." state

            $AuthenticateButton.Content = "Connecting..."

            $AuthenticateButton.IsEnabled = $false

            # Attempt to connect

            $connected = Connect-ToGraph -AuthDetails $authDetails

            # Check connection status and update UI accordingly

            if ($connected -and -not $script:connectionFailed) {

                Write-Log "Authentication Successful"

                $AuthenticateButton.Content = "Connected to MS Graph"

                $AuthenticateButton.IsEnabled = $false

                $Disconnect.Content = "Disconnect"

                $Disconnect.IsEnabled = $true

                # Enable navigation menus

                $MenuDashboard.IsEnabled = $true

                $MenuDeviceManagement.IsEnabled = $true

                $MenuPlaybooks.IsEnabled = $true

                # Update dashboard statistics after successful authentication

                Update-DashboardStatistics

            }

            else {

                # Reset button state on failed connection

                Write-Log "Authentication Failed"

                $AuthenticateButton.Content = "Connect to MS Graph"

                $AuthenticateButton.IsEnabled = $true

                $Disconnect.Content = "Disconnected"

                $Disconnect.IsEnabled = $false

                # Disable navigation menus

                $MenuDashboard.IsEnabled = $false

                $MenuDeviceManagement.IsEnabled = $false

                $MenuPlaybooks.IsEnabled = $false

                # Hide tenant info

                $Window.FindName('TenantInfoSection').Visibility = 'Collapsed'

                $Window.FindName('TenantDisplayName').Text = ""

                $Window.FindName('TenantId').Text = ""

                $Window.FindName('TenantDomain').Text = ""

            }

        }

        catch {

            Write-Log "Error occurred during authentication. Exception: $_"

            # Reset button state on error

            $AuthenticateButton.Content = "Connect to MS Graph"

            $AuthenticateButton.IsEnabled = $true

            $Disconnect.Content = "Disconnected"

            $Disconnect.IsEnabled = $false

            # Disable navigation menus

            $MenuDashboard.IsEnabled = $false

            $MenuDeviceManagement.IsEnabled = $false

            $MenuPlaybooks.IsEnabled = $false

            # Hide tenant info

            $Window.FindName('TenantInfoSection').Visibility = 'Collapsed'

            $Window.FindName('TenantDisplayName').Text = ""

            $Window.FindName('TenantId').Text = ""

            $Window.FindName('TenantDomain').Text = ""

            [System.Windows.MessageBox]::Show(

                "Authentication failed: $_",

                "Error",

                [System.Windows.MessageBoxButton]::OK,

                [System.Windows.MessageBoxImage]::Error

            )

        }

    })

$SearchButton.Add_Click({

        if ($AuthenticateButton.IsEnabled) {

            Write-Log "User is not connected to MS Graph. Attempted search operation."

            [System.Windows.MessageBox]::Show("You are not connected to MS Graph. Please connect first.")

            return

        }

        try {

            $SearchTexts = $SearchInputText.Text -split ', ' | Where-Object { -not [string]::IsNullOrWhiteSpace($_) }

            Write-Log "Searching for devices: $SearchTexts"

            $searchOption = $Dropdown.SelectedItem

            $searchResults = New-Object 'System.Collections.Generic.List[DeviceObject]'

            $AADCount = 0

            $IntuneCount = 0

            $AutopilotCount = 0

            foreach ($SearchText in $SearchTexts) {

                if ($searchOption -eq "Devicename") {

                    # Get devices from all services independently

                    $uri = "https://graph.microsoft.com/v1.0/devices?`$filter=displayName eq '$SearchText'"

                    $AADDevices = Get-GraphPagedResults -Uri $uri

                    $uri = "https://graph.microsoft.com/v1.0/deviceManagement/managedDevices?`$filter=deviceName eq '$SearchText'"

                    $IntuneDevices = Get-GraphPagedResults -Uri $uri

                    # Create a device object for each found device

                    if ($AADDevices -or $IntuneDevices) {

                        # If device is in Entra ID

                        if ($AADDevices) {

                            foreach ($AADDevice in $AADDevices) {

                                $matchingIntuneDevice = $IntuneDevices | Where-Object { $_.deviceName -eq $AADDevice.displayName } | Select-Object -First 1

                                # Get Autopilot Device if we have a serial number from Intune

                                $AutopilotDevice = $null

                                if ($matchingIntuneDevice) {

                                    $uri = "https://graph.microsoft.com/v1.0/deviceManagement/windowsAutopilotDeviceIdentities?`$filter=contains(serialNumber,'$($matchingIntuneDevice.serialNumber)')"

                                    $AutopilotDevice = (Get-GraphPagedResults -Uri $uri) | Select-Object -First 1

                                }

                                $CombinedDevice = New-Object DeviceObject

                                $CombinedDevice.IsSelected = $false

                                $CombinedDevice.DeviceName = $AADDevice.displayName

                                $CombinedDevice.SerialNumber = $matchingIntuneDevice?.serialNumber

                                $CombinedDevice.OperatingSystem = $AADDevice.operatingSystem

                                $CombinedDevice.PrimaryUser = $matchingIntuneDevice?.userDisplayName

                                $CombinedDevice.AzureADLastContact = if ($AADDevice.approximateLastSignInDateTime) { [DateTime]$AADDevice.approximateLastSignInDateTime } else { $null }

                                $CombinedDevice.IntuneLastContact = if ($matchingIntuneDevice.lastSyncDateTime) { [DateTime]$matchingIntuneDevice.lastSyncDateTime } else { $null }

                                $CombinedDevice.AutopilotLastContact = if ($AutopilotDevice.lastContactedDateTime) { [DateTime]$AutopilotDevice.lastContactedDateTime } else { $null }

                                $searchResults.Add($CombinedDevice)

                                $AADCount++

                                if ($matchingIntuneDevice) { $IntuneCount++ }

                                if ($AutopilotDevice) { $AutopilotCount++ }

                            }

                        }

                        # If device is in Intune but not in Entra ID

                        if ($IntuneDevices) {

                            foreach ($IntuneDevice in $IntuneDevices) {

                                # Skip if we already added this device through Entra ID

                                if ($searchResults | Where-Object { $_.DeviceName -eq $IntuneDevice.deviceName }) {

                                    continue

                                }

                                # Get Autopilot Device

                                $uri = "https://graph.microsoft.com/v1.0/deviceManagement/windowsAutopilotDeviceIdentities?`$filter=contains(serialNumber,'$($IntuneDevice.serialNumber)')"

                                $AutopilotDevice = (Get-GraphPagedResults -Uri $uri) | Select-Object -First 1

                                $CombinedDevice = New-Object DeviceObject

                                $CombinedDevice.IsSelected = $false

                                $CombinedDevice.DeviceName = $IntuneDevice.deviceName

                                $CombinedDevice.SerialNumber = $IntuneDevice.serialNumber

                                $CombinedDevice.OperatingSystem = $IntuneDevice.operatingSystem

                                $CombinedDevice.PrimaryUser = $IntuneDevice.userDisplayName

                                $CombinedDevice.IntuneLastContact = if ($IntuneDevice.lastSyncDateTime) { [DateTime]$IntuneDevice.lastSyncDateTime } else { $null }

                                $CombinedDevice.AutopilotLastContact = if ($AutopilotDevice.lastContactedDateTime) { [DateTime]$AutopilotDevice.lastContactedDateTime } else { $null }

                                $searchResults.Add($CombinedDevice)

                                $IntuneCount++

                                if ($AutopilotDevice) { $AutopilotCount++ }

                            }

                        }

                    }

                }

                elseif ($searchOption -eq "Serialnumber") {

                    # Get devices from all services independently

                    $uri = "https://graph.microsoft.com/v1.0/deviceManagement/managedDevices?`$filter=serialNumber eq '$SearchText'"

                    $IntuneDevices = Get-GraphPagedResults -Uri $uri

                    $uri = "https://graph.microsoft.com/v1.0/deviceManagement/windowsAutopilotDeviceIdentities?`$filter=contains(serialNumber,'$SearchText')"

                    $AutopilotDevices = Get-GraphPagedResults -Uri $uri

                    if ($IntuneDevices -or $AutopilotDevices) {

                        # If device is in Intune

                        if ($IntuneDevices) {

                            foreach ($IntuneDevice in $IntuneDevices) {

                                # Get Entra ID Device

                                $uri = "https://graph.microsoft.com/v1.0/devices?`$filter=displayName eq '$($IntuneDevice.deviceName)'"

                                $AADDevice = (Get-GraphPagedResults -Uri $uri) | Select-Object -First 1

                                # Get Autopilot Device

                                $matchingAutopilotDevice = $AutopilotDevices | Where-Object { $_.serialNumber -eq $IntuneDevice.serialNumber } | Select-Object -First 1

                                $CombinedDevice = New-Object DeviceObject

                                $CombinedDevice.IsSelected = $false

                                $CombinedDevice.DeviceName = $IntuneDevice.deviceName

                                $CombinedDevice.SerialNumber = $IntuneDevice.serialNumber

                                $CombinedDevice.OperatingSystem = $AADDevice?.operatingSystem ?? $IntuneDevice.operatingSystem

                                $CombinedDevice.PrimaryUser = $IntuneDevice.userDisplayName

                                $CombinedDevice.AzureADLastContact = if ($AADDevice.approximateLastSignInDateTime) { [DateTime]$AADDevice.approximateLastSignInDateTime } else { $null }

                                $CombinedDevice.IntuneLastContact = if ($IntuneDevice.lastSyncDateTime) { [DateTime]$IntuneDevice.lastSyncDateTime } else { $null }

                                $CombinedDevice.AutopilotLastContact = if ($matchingAutopilotDevice.lastContactedDateTime) { [DateTime]$matchingAutopilotDevice.lastContactedDateTime } else { $null }

                                $searchResults.Add($CombinedDevice)

                                if ($AADDevice) { $AADCount++ }

                                $IntuneCount++

                                if ($matchingAutopilotDevice) { $AutopilotCount++ }

                            }

                        }

                        # If device is in Autopilot but not in Intune

                        if ($AutopilotDevices) {

                            foreach ($AutopilotDevice in $AutopilotDevices) {

                                # Skip if we already added this device through Intune

                                if ($searchResults | Where-Object { $_.SerialNumber -eq $AutopilotDevice.serialNumber }) {

                                    continue

                                }

                                $CombinedDevice = New-Object DeviceObject

                                $CombinedDevice.IsSelected = $false

                                $CombinedDevice.DeviceName = $AutopilotDevice.displayName

                                $CombinedDevice.SerialNumber = $AutopilotDevice.serialNumber

                                $CombinedDevice.AutopilotLastContact = $AutopilotDevice.lastContactedDateTime

                                $searchResults.Add($CombinedDevice)

                                $AutopilotCount++

                            }

                        }

                    }

                }

            }

            $Window.FindName('intune_status').Text = "Intune: $IntuneCount device found"

            $Window.FindName('intune_status').Foreground = if ($IntuneCount -gt 0) { '#4299E1' } else { '#FC8181' }

            $Window.FindName('autopilot_status').Text = "Autopilot: $AutopilotCount device found"

            $Window.FindName('autopilot_status').Foreground = if ($AutopilotCount -gt 0) { '#48BB78' } else { '#FC8181' }

            $Window.FindName('aad_status').Text = "Entra ID: $AADCount device found"

            $Window.FindName('aad_status').Foreground = if ($AADCount -gt 0) { '#ED64A6' } else { '#FC8181' }

            if ($searchResults.Count -gt 0) {

                $SearchResultsDataGrid.ItemsSource = $searchResults

            }

            else {

                $SearchResultsDataGrid.ItemsSource = $null

                [System.Windows.MessageBox]::Show("No devices found matching the search criteria.")

            }

            # Ensure Offboard button is disabled until selection

            $OffboardButton.IsEnabled = $false

        }

        catch {

            Write-Log "Error occurred during search operation. Exception: $_"

            [System.Windows.MessageBox]::Show("Error in search operation. Please ensure the Serialnumber or Devicename is valid.")

        }

    })

$bulk_import_button.Add_Click({

        try {

            $OpenFileDialog = New-Object System.Windows.Forms.OpenFileDialog

            $OpenFileDialog.filter = "CSV files (*.csv)|*.csv|TXT files (*.txt)|*.txt"

            $OpenFileDialog.ShowDialog() | Out-Null

            $filePath = $OpenFileDialog.FileName

            if (Test-Path $filePath) {

                $devices = Get-Content -Path $filePath

                $deviceNames = $devices

                $deviceNamesString = $deviceNames -join ", "

                $SearchInputText.Text = $deviceNamesString

            }

        }

        catch {

            Write-Log "Exception: $_"

            [System.Windows.MessageBox]::Show("Error in bulk import operation. Please ensure the file is valid and try again.")

        }

    })

$OffboardButton.Add_Click({

        if ($AuthenticateButton.IsEnabled) {

            Write-Log "User is not connected to MS Graph. Attempted offboarding operation."

            [System.Windows.MessageBox]::Show("You are not connected to MS Graph. Please connect first.")

            return

        }

        $selectedDevices = $SearchResultsDataGrid.ItemsSource | Where-Object { $_.IsSelected }

        if (-not $selectedDevices) {

            [System.Windows.MessageBox]::Show("Please select at least one device to offboard.")

            return

        }

        # Show confirmation modal

        [xml]$confirmationModalXaml = @'

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Confirm Device Offboarding" Height="600" Width="700" WindowStartupLocation="CenterScreen" Background="#F8F9FA">

    <Border Background="White" CornerRadius="8" Margin="16">

        <DockPanel Margin="24">

            <!-- Header -->

            <StackPanel DockPanel.Dock="Top" Margin="0,0,0,24">

                <TextBlock Text="Confirm Device Offboarding" FontSize="24" FontWeight="SemiBold" Foreground="#1A202C"/>

                <TextBlock Text="Please review the services where the selected device(s) will be removed from:" Foreground="#4A5568" FontSize="14" Margin="0,8,0,0"/>

            </StackPanel>

            <!-- Action Buttons -->

            <StackPanel DockPanel.Dock="Bottom" Orientation="Horizontal" HorizontalAlignment="Right" Margin="0,24,0,0">

                <Button x:Name="CancelButton" Content="Cancel" Width="120" Height="40" Background="#F0F0F0" Foreground="#2D3748" BorderThickness="0" Margin="0,0,12,0"/>

                <Button x:Name="ConfirmButton" Content="Confirm Offboarding" Width="160" Height="40" Background="#DC2626" Foreground="White" BorderThickness="0"/>

            </StackPanel>

            <!-- Warning Message -->

            <Border DockPanel.Dock="Bottom" Background="#FEF2F2" BorderBrush="#FEE2E2" BorderThickness="1" CornerRadius="6" Padding="16" Margin="0,16,0,0">

                <StackPanel Orientation="Horizontal">

                    <Path Data="M12,2L1,21H23M12,6L19.53,19H4.47M11,10V13H13V10M11,15V17H13V15" Fill="#DC2626" Width="24" Height="24" Stretch="Uniform" Margin="0,0,12,0"/>

                    <TextBlock Text="This action cannot be undone. The device(s) will be permanently removed from the selected services." Foreground="#DC2626" TextWrapping="Wrap" VerticalAlignment="Center" MaxWidth="400"/>

                </StackPanel>

            </Border>

            <!-- Main Content -->

            <StackPanel>

                <!-- Services List -->

                <WrapPanel x:Name="ServicesList" Margin="0,0,0,24" Orientation="Horizontal"/>

                <!-- Encryption Key Section -->

                <Border Background="#EDF2F7" BorderBrush="#E2E8F0" BorderThickness="1" CornerRadius="6" Padding="16" Margin="0,0,0,16" Height="300">

                    <Grid VerticalAlignment="Stretch">

                        <Grid.RowDefinitions>

                            <RowDefinition Height="Auto"/>

                            <RowDefinition Height="*"/>

                        </Grid.RowDefinitions>

                        <TextBlock Grid.Row="0" Text="Device Encryption Keys" FontWeight="SemiBold" FontSize="14" Margin="0,0,0,8"/>

                        <ScrollViewer Grid.Row="1" VerticalScrollBarVisibility="Auto" VerticalAlignment="Stretch">

                            <ItemsControl x:Name="EncryptionKeysList">

                                <ItemsControl.ItemTemplate>

                                    <DataTemplate>

                                        <StackPanel Margin="0,0,0,24">

                                            <TextBlock Text="{Binding DeviceName}" FontWeight="SemiBold" Margin="0,0,0,4"/>

                                            <TextBlock Text="{Binding KeyText}" TextWrapping="Wrap" Margin="0,0,0,12"/>

                                            <Button x:Name="CopyKeyButton" Content="Copy Key" Width="100" HorizontalAlignment="Left"

                                                    Height="32" Background="#0078D4" Foreground="White" BorderThickness="0"

                                                    Tag="{Binding Key}" Margin="0,0,0,4">

                                                <Button.Resources>

                                                    <Style TargetType="Border">

                                                        <Setter Property="CornerRadius" Value="4"/>

                                                    </Style>

                                                </Button.Resources>

                                            </Button>

                                        </StackPanel>

                                    </DataTemplate>

                                </ItemsControl.ItemTemplate>

                            </ItemsControl>

                        </ScrollViewer>

                    </Grid>

                </Border>

            </StackPanel>

        </DockPanel>

    </Border>

</Window>

'@

        $reader = (New-Object System.Xml.XmlNodeReader $confirmationModalXaml)

        $confirmationWindow = [Windows.Markup.XamlReader]::Load($reader)

        # Get controls

        $servicesList = $confirmationWindow.FindName('ServicesList')

        $cancelButton = $confirmationWindow.FindName('CancelButton')

        $confirmButton = $confirmationWindow.FindName('ConfirmButton')

        $encryptionKeysList = $confirmationWindow.FindName('EncryptionKeysList')

        # Create a list to store encryption key information

        $encryptionKeys = New-Object System.Collections.ObjectModel.ObservableCollection[Object]

        # Get encryption keys for all selected devices

        foreach ($selectedDevice in $selectedDevices) {

            try {

                # Get device details from Intune

                $uri = "https://graph.microsoft.com/v1.0/deviceManagement/managedDevices?`$filter=deviceName eq '$($selectedDevice.DeviceName)'"

                $intuneDevice = (Get-GraphPagedResults -Uri $uri) | Select-Object -First 1

                $keyInfo = @{

                    DeviceName = $selectedDevice.DeviceName

                    KeyText    = "Loading encryption key..."

                    Key        = $null

                }

                if ($intuneDevice) {

                    # Check OS type and get appropriate encryption key

                    if ($intuneDevice.operatingSystem -eq "Windows") {

                        # First get the key ID using Azure AD device ID

                        $uri = "https://graph.microsoft.com/beta/informationProtection/bitlocker/recoveryKeys?`$filter=deviceId eq '$($intuneDevice.azureADDeviceId)'"

                        $keyIdResponse = Get-GraphPagedResults -Uri $uri

                        if ($keyIdResponse.Count -gt 0) {

                            # Get the actual key using the key ID from the first recovery key

                            $recoveryKeyId = $keyIdResponse.id

                            $uri = "https://graph.microsoft.com/beta/informationProtection/bitlocker/recoveryKeys/$($recoveryKeyId)?`$select=key"

                            $recoveryKeyData = Invoke-MgGraphRequest -Uri $uri -Method GET

                            if ($recoveryKeyData.key) {

                                $keyInfo.KeyText = "BitLocker Recovery Key: $($recoveryKeyData.key)"

                                $keyInfo.Key = $recoveryKeyData.key

                            }

                            else {

                                $keyInfo.KeyText = "Error retrieving BitLocker key details."

                            }

                        }

                        else {

                            $keyInfo.KeyText = "No BitLocker recovery key found for this device."

                        }

                    }

                    elseif ($intuneDevice.operatingSystem -eq "macOS") {

                        # Get FileVault key using the dedicated endpoint for macOS

                        $uri = "https://graph.microsoft.com/beta/deviceManagement/managedDevices('$($intuneDevice.id)')/getFileVaultKey"

                        try {

                            $fileVaultKey = Invoke-MgGraphRequest -Uri $uri -Method GET

                            if ($fileVaultKey.value) {

                                $keyInfo.KeyText = "FileVault Recovery Key: $($fileVaultKey.value)"

                                $keyInfo.Key = $fileVaultKey.value

                            }

                            else {

                                $keyInfo.KeyText = "No FileVault recovery key found for this device."

                            }

                        }

                        catch {

                            #Write-Log "Error retrieving FileVault key: $_"

                            $keyInfo.KeyText = "Error retrieving FileVault key details."

                        }

                    }

                    else {

                        $keyInfo.KeyText = "Encryption key not applicable for this device type."

                    }

                }

                else {

                    $keyInfo.KeyText = "Device not found in Intune."

                }

            }

            catch {

                #Write-Log "Error retrieving encryption key: $_"

                $keyInfo.KeyText = "Error retrieving encryption key. Please check logs for details."

            }

            $encryptionKeys.Add([PSCustomObject]$keyInfo)

        }

        # Set the ItemsSource of the EncryptionKeysList

        $encryptionKeysList.ItemsSource = $encryptionKeys

        # Add copy button handler

        $confirmationWindow.Add_SourceInitialized({

                $copyKeyButton_Click = {

                    param($sender, $e)

                    $button = $e.OriginalSource -as [System.Windows.Controls.Button]

                    if ($button -and $button.Tag) {

                        Set-Clipboard -Value $button.Tag

                        $button.Content = "Copied!"

                        $script:copyButtonTimer = New-Object System.Windows.Threading.DispatcherTimer

                        $script:copyButtonTimer.Interval = [TimeSpan]::FromSeconds(2)

                        $script:copyButtonTimer.Add_Tick({

                                $button.Content = "Copy Key"

                                $script:copyButtonTimer.Stop()

                            }.GetNewClosure())

                        $script:copyButtonTimer.Start()

                    }

                }.GetNewClosure()

                $encryptionKeysList = $confirmationWindow.FindName('EncryptionKeysList')

                $encryptionKeysList.AddHandler(

                    [System.Windows.Controls.Button]::ClickEvent,

                    [System.Windows.RoutedEventHandler]$copyKeyButton_Click

                )

            })

        # Add services to the list

        $services = @(

            @{ Name = "Entra ID"; Icon = "M12,5.5A3.5,3.5 0 0,1 15.5,9A3.5,3.5 0 0,1 12,12.5A3.5,3.5 0 0,1 8.5,9A3.5,3.5 0 0,1 12,5.5M5,8C5.56,8 6.08,8.15 6.53,8.42C6.38,9.85 6.8,11.27 7.66,12.38C7.16,13.34 6.16,14 5,14A3,3 0 0,1 2,11A3,3 0 0,1 5,8M19,8A3,3 0 0,1 22,11A3,3 0 0,1 19,14C17.84,14 16.84,13.34 16.34,12.38C17.2,11.27 17.62,9.85 17.47,8.42C17.92,8.15 18.44,8 19,8M5.5,18.25C5.5,16.18 8.41,14.5 12,14.5C15.59,14.5 18.5,16.18 18.5,18.25V20H5.5V18.25M0,20V18.5C0,17.11 1.89,15.94 4.45,15.6C3.86,16.28 3.5,17.22 3.5,18.25V20H0M24,20H20.5V18.25C20.5,17.22 20.14,16.28 19.55,15.6C22.11,15.94 24,17.11 24,18.5V20Z" },

            @{ Name = "Intune"; Icon = "M21,14V4H3V14H21M21,2A2,2 0 0,1 23,4V16A2,2 0 0,1 21,18H14L16,21V22H8V21L10,18H3C1.89,18 1,17.1 1,16V4C1,2.89 1.89,2 3,2H21M4,5H20V13H4V5Z" },

            @{ Name = "Autopilot"; Icon = "M12,3L1,9L12,15L21,10.09V17H23V9M5,13.18V17.18L12,21L19,17.18V13.18L12,17L5,13.18Z" }

        )

        foreach ($service in $services) {

            $serviceItem = New-Object System.Windows.Controls.Border

            $serviceItem.Background = New-Object System.Windows.Media.SolidColorBrush([System.Windows.Media.ColorConverter]::ConvertFromString("#F7FAFC"))

            $serviceItem.BorderBrush = New-Object System.Windows.Media.SolidColorBrush([System.Windows.Media.ColorConverter]::ConvertFromString("#E2E8F0"))

            $serviceItem.BorderThickness = New-Object System.Windows.Thickness(1)

            $serviceItem.CornerRadius = New-Object System.Windows.CornerRadius(6)

            $serviceItem.Padding = New-Object System.Windows.Thickness(16, 12, 16, 12)

            $serviceItem.Margin = New-Object System.Windows.Thickness(0, 0, 12, 0)

            $serviceItem.MinWidth = 150

            $stackPanel = New-Object System.Windows.Controls.StackPanel

            $stackPanel.Orientation = "Horizontal"

            # Icon

            $path = New-Object System.Windows.Shapes.Path

            $path.Data = [System.Windows.Media.Geometry]::Parse($service.Icon)

            $path.Fill = New-Object System.Windows.Media.SolidColorBrush([System.Windows.Media.ColorConverter]::ConvertFromString("#4A5568"))

            $path.Width = 24

            $path.Height = 24

            $path.Stretch = "Uniform"

            $path.Margin = New-Object System.Windows.Thickness(0, 0, 12, 0)

            $path.VerticalAlignment = "Center"

            # Service name

            $text = New-Object System.Windows.Controls.TextBlock

            $text.Text = $service.Name

            $text.FontSize = 14

            $text.Foreground = New-Object System.Windows.Media.SolidColorBrush([System.Windows.Media.ColorConverter]::ConvertFromString("#2D3748"))

            $text.VerticalAlignment = "Center"

            $stackPanel.Children.Add($path)

            $stackPanel.Children.Add($text)

            $serviceItem.Child = $stackPanel

            $servicesList.Children.Add($serviceItem)

        }

        # Add button handlers

        $cancelButton.Add_Click({

                $confirmationWindow.DialogResult = $false

                $confirmationWindow.Close()

            })

        $confirmButton.Add_Click({

                $confirmationWindow.DialogResult = $true

                $confirmationWindow.Close()

            })

        # Show dialog

        $confirmationResult = $confirmationWindow.ShowDialog()

        if (-not $confirmationResult) {

            Write-Log "User canceled offboarding operation."

            return

        }

        try {

            foreach ($device in $selectedDevices) {

                $deviceName = $device.DeviceName

                $serialNumber = $device.SerialNumber

                $successCount = 0

                $totalServices = 0

                # Get Entra ID Device

                if ($deviceName) {

                    $uri = "https://graph.microsoft.com/v1.0/devices?`$filter=displayName eq '$deviceName'"

                    $AADDevice = (Invoke-MgGraphRequest -Uri $uri -Method GET).value | Select-Object -First 1

                    if ($AADDevice) {

                        $totalServices++

                        try {

                            $uri = "https://graph.microsoft.com/v1.0/devices/$($AADDevice.id)"

                            Invoke-MgGraphRequest -Uri $uri -Method DELETE

                            [System.Windows.MessageBox]::Show("Successfully removed device $deviceName from Entra ID.")

                            $Window.FindName('aad_status').Text = "Entra ID: Unavailable"

                            $Window.FindName('aad_status').Foreground = "#FC8181"

                            Write-Log "Successfully removed device $deviceName from Entra ID."

                            $successCount++

                        }

                        catch {

                            Write-Log "Error removing device from Entra ID: $_"

                            [System.Windows.MessageBox]::Show("Error removing device from Entra ID: $_")

                        }

                    }

                }

                # Get Intune Device

                if ($deviceName) {

                    $uri = "https://graph.microsoft.com/v1.0/deviceManagement/managedDevices?`$filter=deviceName eq '$deviceName'"

                    $IntuneDevice = (Invoke-MgGraphRequest -Uri $uri -Method GET).value | Select-Object -First 1

                }

                if (-not $IntuneDevice -and $serialNumber) {

                    $uri = "https://graph.microsoft.com/v1.0/deviceManagement/managedDevices?`$filter=serialNumber eq '$serialNumber'"

                    $IntuneDevice = (Invoke-MgGraphRequest -Uri $uri -Method GET).value | Select-Object -First 1

                }

                if ($IntuneDevice) {

                    $totalServices++

                    try {

                        $uri = "https://graph.microsoft.com/v1.0/deviceManagement/managedDevices/$($IntuneDevice.id)"

                        Invoke-MgGraphRequest -Uri $uri -Method DELETE

                        [System.Windows.MessageBox]::Show("Successfully removed device from Intune.")

                        $Window.FindName('intune_status').Text = "Intune: Unavailable"

                        $Window.FindName('intune_status').Foreground = "#FC8181"

                        Write-Log "Successfully removed device from Intune."

                        $successCount++

                    }

                    catch {

                        Write-Log "Error removing device from Intune: $_"

                        [System.Windows.MessageBox]::Show("Error removing device from Intune: $_")

                    }

                }

                # Get Autopilot Device

                if ($serialNumber) {

                    $uri = "https://graph.microsoft.com/v1.0/deviceManagement/windowsAutopilotDeviceIdentities?`$filter=contains(serialNumber,'$serialNumber')"

                    $AutopilotDevice = (Invoke-MgGraphRequest -Uri $uri -Method GET).value | Select-Object -First 1

                    if ($AutopilotDevice) {

                        $totalServices++

                        try {

                            $uri = "https://graph.microsoft.com/v1.0/deviceManagement/windowsAutopilotDeviceIdentities/$($AutopilotDevice.id)"

                            Invoke-MgGraphRequest -Uri $uri -Method DELETE

                            [System.Windows.MessageBox]::Show("Successfully removed device from Autopilot.")

                            $Window.FindName('autopilot_status').Text = "Autopilot: Unavailable"

                            $Window.FindName('autopilot_status').Foreground = "#FC8181"

                            Write-Log "Successfully removed device from Autopilot."

                            $successCount++

                        }

                        catch {

                            Write-Log "Error removing device from Autopilot: $_"

                            [System.Windows.MessageBox]::Show("Error removing device from Autopilot: $_")

                        }

                    }

                }

                if ($totalServices -eq 0) {

                    [System.Windows.MessageBox]::Show("Device not found in any service.")

                }

                elseif ($successCount -eq $totalServices) {

                    Write-Log "Successfully removed device from all services it was found in."

                }

                else {

                    Write-Log "Device removal partially successful. Removed from $successCount out of $totalServices services."

                }

            }

        }

        catch {

            Write-Log "Error in offboarding operation. Exception: $_"

            [System.Windows.MessageBox]::Show("Error in offboarding operation. Please ensure device names are valid.")

        }

    })

function Show-PrerequisitesDialog {

    $reader = (New-Object System.Xml.XmlNodeReader $prerequisitesModalXaml)

    $prereqWindow = [Windows.Markup.XamlReader]::Load($reader)

    # Get controls

    $permissionsPanel = $prereqWindow.FindName('PermissionsPanel')

    $modulePanel = $prereqWindow.FindName('ModulePanel')

    $closeButton = $prereqWindow.FindName('ClosePrereqButton')

    # Add required permissions with checkboxes

    $requiredPermissions = @(

        @{

            Name        = "Device.Read.All"

            Description = "Read all device properties from Entra ID"

        },

        @{

            Name        = "DeviceManagementApps.Read.All"

            Description = "Read mobile app management policies and configurations"

        },

        @{

            Name        = "DeviceManagementConfiguration.Read.All"

            Description = "Read device configuration policies and assignments"

        },

        @{

            Name        = "DeviceManagementManagedDevices.ReadWrite.All"

            Description = "Read and modify managed device information and compliance policies"

        },

        @{

            Name        = "DeviceManagementServiceConfig.ReadWrite.All"

            Description = "Read and modify Autopilot deployment profiles"

        },

        @{

            Name        = "Group.Read.All"

            Description = "Read group information and memberships"

        },

        @{

            Name        = "User.Read.All"

            Description = "Read user profile information and check group memberships"

        }

    )

    $context = Get-MgContext

    $currentPermissions = if ($context) { $context.Scopes } else { @() }

    foreach ($permission in $requiredPermissions) {

        $permItem = New-Object System.Windows.Controls.StackPanel

        $permItem.Style = $prereqWindow.FindResource("CheckItemStyle")

        $permItem.Orientation = "Horizontal"

        $checkbox = New-Object System.Windows.Controls.CheckBox

        $checkbox.IsEnabled = $false

        $checkbox.VerticalAlignment = "Center"

        $checkbox.Margin = New-Object System.Windows.Thickness(0, 0, 8, 0)

        if ($currentPermissions -contains $permission.Name -or

            $currentPermissions -contains $permission.Name.Replace(".Read", ".ReadWrite")) {

            $checkbox.IsChecked = $true

            $checkbox.Foreground = "#28A745"

        }

        else {

            $checkbox.IsChecked = $false

            $checkbox.Foreground = "#DC3545"

        }

        # Create a StackPanel for permission text and description

        $textPanel = New-Object System.Windows.Controls.StackPanel

        $textPanel.Orientation = "Vertical"

        $textPanel.Margin = New-Object System.Windows.Thickness(0, 0, 0, 4)

        # Permission name

        $permText = New-Object System.Windows.Controls.TextBlock

        $permText.Text = $permission.Name

        $permText.Style = $prereqWindow.FindResource("CheckTextStyle")

        $permText.FontWeight = "SemiBold"

        # Permission description

        $descText = New-Object System.Windows.Controls.TextBlock

        $descText.Text = $permission.Description

        $descText.Style = $prereqWindow.FindResource("CheckTextStyle")

        $descText.Foreground = "#666666"

        $descText.FontSize = 12

        $descText.TextWrapping = "Wrap"

        $descText.Margin = New-Object System.Windows.Thickness(0, 2, 0, 0)

        $textPanel.Children.Add($permText)

        $textPanel.Children.Add($descText)

        $permItem.Children.Add($checkbox)

        $permItem.Children.Add($textPanel)

        $permissionsPanel.Children.Add($permItem)

    }

    # Add module check

    $moduleItem = New-Object System.Windows.Controls.StackPanel

    $moduleItem.Style = $prereqWindow.FindResource("CheckItemStyle")

    $moduleItem.Orientation = "Horizontal"

    $moduleCheckbox = New-Object System.Windows.Controls.CheckBox

    $moduleCheckbox.IsEnabled = $false

    $moduleCheckbox.VerticalAlignment = "Center"

    $moduleCheckbox.Margin = New-Object System.Windows.Thickness(0, 0, 8, 0)

    # Create a StackPanel for module text and description

    $textPanel = New-Object System.Windows.Controls.StackPanel

    $textPanel.Orientation = "Vertical"

    $textPanel.Margin = New-Object System.Windows.Thickness(0, 0, 0, 4)

    # Module name

    $moduleText = New-Object System.Windows.Controls.TextBlock

    $moduleText.Text = "Microsoft.Graph.Authentication"

    $moduleText.Style = $prereqWindow.FindResource("CheckTextStyle")

    $moduleText.FontWeight = "SemiBold"

    # Module description

    $descText = New-Object System.Windows.Controls.TextBlock

    $descText.Text = "Required for Microsoft Graph API authentication and operations"

    $descText.Style = $prereqWindow.FindResource("CheckTextStyle")

    $descText.Foreground = "#666666"

    $descText.FontSize = 12

    $descText.TextWrapping = "Wrap"

    $descText.Margin = New-Object System.Windows.Thickness(0, 2, 0, 0)

    $textPanel.Children.Add($moduleText)

    $textPanel.Children.Add($descText)

    $installButton = New-Object System.Windows.Controls.Button

    $installButton.Content = "Install"

    $installButton.Style = $prereqWindow.FindResource("InstallButtonStyle")

    $installButton.Visibility = "Collapsed"

    $installButton.Margin = New-Object System.Windows.Thickness(8, 0, 0, 0)

    if (Get-Module -ListAvailable -Name "Microsoft.Graph.Authentication") {

        $moduleCheckbox.IsChecked = $true

        $moduleCheckbox.Foreground = "#28A745"

    }

    else {

        $moduleCheckbox.IsChecked = $false

        $moduleCheckbox.Foreground = "#DC3545"

        $installButton.Visibility = "Visible"

    }

    $moduleItem.Children.Add($moduleCheckbox)

    $moduleItem.Children.Add($textPanel)

    $moduleItem.Children.Add($installButton)

    $modulePanel.Children.Add($moduleItem)

    # Add install button click handler

    $installButton.Add_Click({

            try {

                $installButton.IsEnabled = $false

                $installButton.Content = "Installing..."

                Install-Module "Microsoft.Graph.Authentication" -Scope CurrentUser -Force

                $moduleCheckbox.IsChecked = $true

                $moduleCheckbox.Foreground = "#28A745"

                $installButton.Visibility = "Collapsed"

                # Restart required message

                [System.Windows.MessageBox]::Show(

                    "Module installed successfully. Please restart the application for changes to take effect.",

                    "Installation Complete",

                    [System.Windows.MessageBoxButton]::OK,

                    [System.Windows.MessageBoxImage]::Information

                )

            }

            catch {

                Write-Log "Error installing module: $_"

                [System.Windows.MessageBox]::Show(

                    "Failed to install module. Please ensure you have internet connection and necessary permissions.",

                    "Installation Error",

                    [System.Windows.MessageBoxButton]::OK,

                    [System.Windows.MessageBoxImage]::Error

                )

                $installButton.IsEnabled = $true

                $installButton.Content = "Install"

            }

        })

    # Add close button handler

    $closeButton.Add_Click({

            $prereqWindow.Close()

        })

    # Show dialog

    $prereqWindow.ShowDialog()

}

$PrerequisitesButton.Add_Click({

        Show-PrerequisitesDialog

    })

$logs_button.Add_Click({

        $logFilePath = [System.IO.Path]::Combine([Environment]::GetFolderPath("Desktop"), "IntuneOffboardingTool_Log.txt")

        if (Test-Path $logFilePath) {

            Invoke-Item $logFilePath

        }

        else {

            Write-Host "Log file not found."

        }

    })

# Add new control connections

$MenuHome = $Window.FindName('MenuHome')

$MenuDashboard = $Window.FindName('MenuDashboard')

$MenuDeviceManagement = $Window.FindName('MenuDeviceManagement')

$MenuPlaybooks = $Window.FindName('MenuPlaybooks')

$HomePage = $Window.FindName('HomePage')

$DashboardPage = $Window.FindName('DashboardPage')

$DeviceManagementPage = $Window.FindName('DeviceManagementPage')

$PlaybooksPage = $Window.FindName('PlaybooksPage')

$PlaybookResultsGrid = $Window.FindName('PlaybookResultsGrid')

$PlaybookResultsDataGrid = $Window.FindName('PlaybookResultsDataGrid')

# Set initial page visibility

$Window.Add_Loaded({

        # Set initial page visibility

        $HomePage.Visibility = 'Visible'

        $DashboardPage.Visibility = 'Collapsed'

        $DeviceManagementPage.Visibility = 'Collapsed'

        $PlaybooksPage.Visibility = 'Collapsed'

        $PlaybookResultsGrid.Visibility = 'Collapsed'

        # Update dashboard statistics if connected

        if (-not $AuthenticateButton.IsEnabled) {

            Update-DashboardStatistics

        }

    })

# Add menu switching functionality

$MenuHome.Add_Checked({

        $HomePage.Visibility = 'Visible'

        $DashboardPage.Visibility = 'Collapsed'

        $DeviceManagementPage.Visibility = 'Collapsed'

        $PlaybooksPage.Visibility = 'Collapsed'

        $PlaybookResultsGrid.Visibility = 'Collapsed'

    })

$MenuDashboard.Add_Checked({

        $HomePage.Visibility = 'Collapsed'

        $DashboardPage.Visibility = 'Visible'

        $DeviceManagementPage.Visibility = 'Collapsed'

        $PlaybooksPage.Visibility = 'Collapsed'

        $PlaybookResultsGrid.Visibility = 'Collapsed'

        # Update dashboard statistics if connected

        if (-not $AuthenticateButton.IsEnabled) {

            Update-DashboardStatistics

        }

    })

$MenuDeviceManagement.Add_Checked({

        $HomePage.Visibility = 'Collapsed'

        $DashboardPage.Visibility = 'Collapsed'

        $DeviceManagementPage.Visibility = 'Visible'

        $PlaybooksPage.Visibility = 'Collapsed'

        $PlaybookResultsGrid.Visibility = 'Collapsed'

    })

$MenuPlaybooks.Add_Checked({

        $HomePage.Visibility = 'Collapsed'

        $DashboardPage.Visibility = 'Collapsed'

        $DeviceManagementPage.Visibility = 'Collapsed'

        $PlaybooksPage.Visibility = 'Visible'

        $PlaybookResultsGrid.Visibility = 'Collapsed'

        $Window.FindName('PlaybooksScrollViewer').Visibility = 'Visible'

    })

function Update-DashboardStatistics {

    try {

        Write-Log "Updating dashboard statistics..."

        # Get all managed devices

        $uri = "https://graph.microsoft.com/v1.0/deviceManagement/managedDevices"

        $intuneDevices = Get-GraphPagedResults -Uri $uri

        # Get all Autopilot devices

        $uri = "https://graph.microsoft.com/v1.0/deviceManagement/windowsAutopilotDeviceIdentities"

        $autopilotDevices = Get-GraphPagedResults -Uri $uri

        # Get all EntraID devices

        $uri = "https://graph.microsoft.com/v1.0/devices"

        $entraDevices = Get-GraphPagedResults -Uri $uri

        # Update top row counts

        $Window.FindName('IntuneDevicesCount').Text = $intuneDevices.Count

        $Window.FindName('AutopilotDevicesCount').Text = $autopilotDevices.Count

        $Window.FindName('EntraIDDevicesCount').Text = $entraDevices.Count

        # Calculate stale devices

        $thirtyDaysAgo = (Get-Date).AddDays(-30).ToString('yyyy-MM-ddTHH:mm:ssZ')

        $ninetyDaysAgo = (Get-Date).AddDays(-90).ToString('yyyy-MM-ddTHH:mm:ssZ')

        $oneEightyDaysAgo = (Get-Date).AddDays(-180).ToString('yyyy-MM-ddTHH:mm:ssZ')

        $stale30 = ($intuneDevices | Where-Object { $_.lastSyncDateTime -lt $thirtyDaysAgo }).Count

        $stale90 = ($intuneDevices | Where-Object { $_.lastSyncDateTime -lt $ninetyDaysAgo }).Count

        $stale180 = ($intuneDevices | Where-Object { $_.lastSyncDateTime -lt $oneEightyDaysAgo }).Count

        $Window.FindName('StaleDevices30Count').Text = $stale30

        $Window.FindName('StaleDevices90Count').Text = $stale90

        $Window.FindName('StaleDevices180Count').Text = $stale180

        # Update personal/corporate counts and progress bars

        $personalDevices = ($intuneDevices | Where-Object { $_.managedDeviceOwnerType -eq 'personal' }).Count

        $corporateDevices = ($intuneDevices | Where-Object { $_.managedDeviceOwnerType -eq 'company' }).Count

        $totalDevices = if ($intuneDevices) { $intuneDevices.Count } else { 0 }

        # Update counts

        $Window.FindName('PersonalDevicesCount').Text = $personalDevices

        $Window.FindName('CorporateDevicesCount').Text = $corporateDevices

        # Update progress bars

        if ($totalDevices -gt 0) {

            $personalProgress = [Math]::Round(($personalDevices / $totalDevices) * 100)

            $corporateProgress = [Math]::Round(($corporateDevices / $totalDevices) * 100)

            $Window.FindName('PersonalDevicesProgress').Value = $personalProgress

            $Window.FindName('CorporateDevicesProgress').Value = $corporateProgress

        }

        # Group platform distribution

        $platformGroups = $intuneDevices | Group-Object -Property {

            $os = $_.operatingSystem

            if ([string]::IsNullOrWhiteSpace($os)) { return "Unknown" }

            switch -Regex ($os.ToLower()) {

                'windows' { "Windows" }

                'macos|mac os' { "macOS" }

                'linux' { "Linux" }

                'ios' { "iOS" }

                'android' { "Android" }

                default { "Other" }

            }

        } | Sort-Object Count -Descending

        # Define platform colors

        $platformColors = @{

            'Windows' = '#0078D4'  # Microsoft Blue

            'iOS'     = '#48BB78'  # Green

            'Android' = '#9F7AEA'  # Purple

            'macOS'   = '#F6AD55'  # Orange

            'Linux'   = '#FC8181'  # Red

            'Other'   = '#718096'  # Gray

            'Unknown' = '#718096'  # Gray

        }

        # Get the canvas and legend panel

        $canvas = $Window.FindName('PlatformDistributionCanvas')

        $legendPanel = $Window.FindName('PlatformDistributionLegend')

        # Clear existing content

        $canvas.Children.Clear()

        $legendPanel.Children.Clear()

        # Calculate total for percentages

        $total = ($platformGroups | Measure-Object Count -Sum).Sum

        if ($total -eq 0) { return }

        # Initialize variables for pie chart

        $centerX = 100

        $centerY = 100

        $radius = 80

        $startAngle = 0

        # Draw each platform segment

        foreach ($platform in $platformGroups) {

            $percentage = $platform.Count / $total

            $sweepAngle = 360 * $percentage

            # Convert angles to radians for calculation

            $startRad = $startAngle * [Math]::PI / 180

            $endRad = ($startAngle + $sweepAngle) * [Math]::PI / 180

            # Calculate arc points

            $startX = $centerX + $radius * [Math]::Cos($startRad)

            $startY = $centerY + $radius * [Math]::Sin($startRad)

            $endX = $centerX + $radius * [Math]::Cos($endRad)

            $endY = $centerY + $radius * [Math]::Sin($endRad)

            # Create path geometry

            $path = New-Object System.Windows.Shapes.Path

            $pathGeometry = New-Object System.Windows.Media.PathGeometry

            $pathFigure = New-Object System.Windows.Media.PathFigure

            # Start at center

            $pathFigure.StartPoint = New-Object System.Windows.Point($centerX, $centerY)

            # Add line to arc start

            $lineSegment = New-Object System.Windows.Media.LineSegment(

                (New-Object System.Windows.Point($startX, $startY)), $true)

            $pathFigure.Segments.Add($lineSegment)

            # Add arc

            $arcSegment = New-Object System.Windows.Media.ArcSegment(

                (New-Object System.Windows.Point($endX, $endY)),

                (New-Object System.Windows.Size($radius, $radius)),

                0, # RotationAngle

                ($sweepAngle -gt 180), # IsLargeArc

                [System.Windows.Media.SweepDirection]::Clockwise,

                $true) # IsStroked

            $pathFigure.Segments.Add($arcSegment)

            # Close path

            $lineSegment = New-Object System.Windows.Media.LineSegment(

                (New-Object System.Windows.Point($centerX, $centerY)), $true)

            $pathFigure.Segments.Add($lineSegment)

            # Add figure to geometry

            $pathGeometry.Figures.Add($pathFigure)

            $path.Data = $pathGeometry

            # Set color

            $color = if ($platformColors.ContainsKey($platform.Name)) {

                $platformColors[$platform.Name]

            }

            else {

                $platformColors['Unknown']

            }

            $path.Fill = New-Object System.Windows.Media.SolidColorBrush(

                [System.Windows.Media.ColorConverter]::ConvertFromString($color))

            # Add to canvas

            $canvas.Children.Add($path)

            # Add to legend

            $legendItem = New-Object System.Windows.Controls.StackPanel

            $legendItem.Orientation = "Horizontal"

            $legendItem.Margin = New-Object System.Windows.Thickness(0, 0, 0, 5)

            $colorBox = New-Object System.Windows.Shapes.Rectangle

            $colorBox.Width = 12

            $colorBox.Height = 12

            $colorBox.Fill = $path.Fill

            $colorBox.Margin = New-Object System.Windows.Thickness(0, 0, 5, 0)

            $label = New-Object System.Windows.Controls.TextBlock

            $label.Text = "$($platform.Name) ($([Math]::Round($percentage * 100))%)"

            $label.Foreground = "White"

            $label.VerticalAlignment = "Center"

            $legendItem.Children.Add($colorBox)

            $legendItem.Children.Add($label)

            $legendPanel.Children.Add($legendItem)

            # Update start angle for next segment

            $startAngle += $sweepAngle

        }

        Write-Log "Dashboard statistics updated successfully."

    }

    catch {

        Write-Log "Error updating dashboard statistics: $_"

        [System.Windows.MessageBox]::Show("Error updating dashboard statistics. Please ensure you are connected to MS Graph.")

    }

}

# Connect playbook buttons

$PlaybookButtons = @(

    $Window.FindName('PlaybookAutopilotNotIntune'),

    $Window.FindName('PlaybookIntuneNotAutopilot'),

    $Window.FindName('PlaybookCorporateDevices'),

    $Window.FindName('PlaybookPersonalDevices'),

    $Window.FindName('PlaybookStaleDevices'),

    $Window.FindName('PlaybookSpecificOS'),

    $Window.FindName('PlaybookNotLatestOS'),

    $Window.FindName('PlaybookEOLOS'),

    $Window.FindName('PlaybookBitLocker'),

    $Window.FindName('PlaybookFileVault')

)

# Add click handlers for playbook buttons

# Add click handlers for playbook buttons

foreach ($button in $PlaybookButtons) {

    $button.Add_Click({

            if ($AuthenticateButton.IsEnabled) {

                [System.Windows.MessageBox]::Show(

                    "Please connect to Microsoft Graph first.",

                    "Authentication Required",

                    [System.Windows.MessageBoxButton]::OK,

                    [System.Windows.MessageBoxImage]::Warning

                )

                return

            }

            $playbookName = $this.Content.ToString()

            $playbookDescription = $this.Tag.ToString()

            switch ($playbookName) {

                "Autopilot Devices Not in Intune" {

                    $playbookUrl = "https://raw.githubusercontent.com/ugurkocde/DeviceOffboardingManager/refs/heads/main/Playbooks/Playbook_1.ps1"

                    Invoke-Playbook -PlaybookName $playbookName -PlaybookUrl $playbookUrl -Description $playbookDescription

                }

                default {

                    [System.Windows.MessageBox]::Show(

                        "This playbook is not yet implemented.",

                        "Not Implemented",

                        [System.Windows.MessageBoxButton]::OK,

                        [System.Windows.MessageBoxImage]::Information

                    )

                }

            }

        })

}

# Results Grid

$SearchResultsDataGrid = $Window.FindName('SearchResultsDataGrid')

$OffboardButton = $Window.FindName('OffboardButton')

# Initially disable the Offboard button

$OffboardButton.IsEnabled = $false

# Add selection changed event handler for the DataGrid

$SearchResultsDataGrid.Add_SelectionChanged({

        # Update the Offboard button state based on selected devices

        $selectedDevices = $SearchResultsDataGrid.ItemsSource | Where-Object { $_.IsSelected }

        $OffboardButton.IsEnabled = ($null -ne $selectedDevices -and $selectedDevices.Count -gt 0)

    })

# Add handler for checkbox selection changes

$SearchResultsDataGrid.Add_LoadingRow({

        param($sender, $e)

        $row = $e.Row

        $dataContext = $row.DataContext

        if ($dataContext -and $dataContext.GetType().Name -eq 'DeviceObject') {

            $dataContext.add_PropertyChanged({

                    param($s, $ev)

                    if ($ev.PropertyName -eq 'IsSelected') {

                        # Update Offboard button state

                        $selectedDevices = $SearchResultsDataGrid.ItemsSource | Where-Object { $_.IsSelected }

                        $OffboardButton.IsEnabled = ($null -ne $selectedDevices -and $selectedDevices.Count -gt 0)

                    }

                })

        }

    })

# Update dashboard when switching to Dashboard tab

$MenuDashboard.Add_Checked({

        $HomePage.Visibility = 'Collapsed'

        $DashboardPage.Visibility = 'Visible'

        $DeviceManagementPage.Visibility = 'Collapsed'

        $PlaybooksPage.Visibility = 'Collapsed'

        $PlaybookResultsGrid.Visibility = 'Collapsed'

        # Update dashboard statistics if connected

        if (-not $AuthenticateButton.IsEnabled) {

            Update-DashboardStatistics

        }

    })

function Show-PlaybookProgressModal {

    param(

        [string]$PlaybookName,

        [string]$Description

    )

    $progressModalXaml = @"

<Window

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

    Title="Playbook Execution" Height="300" Width="500"

    WindowStartupLocation="CenterScreen"

    Background="#F8F9FA">

    <Border Background="White" CornerRadius="8" Margin="16">

        <DockPanel Margin="24">

            <!-- Header -->

            <StackPanel DockPanel.Dock="Top" Margin="0,0,0,24">

                <TextBlock x:Name="PlaybookTitle"

                          Text="Executing Playbook"

                          FontSize="24"

                          FontWeight="SemiBold"

                          Foreground="#1A202C"/>

                <TextBlock x:Name="PlaybookDescription"

                          Text="Please wait while the playbook is being executed..."

                          Foreground="#4A5568"

                          FontSize="14"

                          Margin="0,8,0,0"/>

            </StackPanel>

            <!-- Progress Section -->

            <StackPanel DockPanel.Dock="Bottom">

                <ProgressBar x:Name="ExecutionProgress"

                           Height="4"

                           Margin="0,0,0,16"

                           Background="#EDF2F7"

                           Foreground="#0078D4"

                           IsIndeterminate="True"/>

                <!-- Status Messages -->

                <TextBlock x:Name="StatusMessage"

                         Text="Initializing..."

                         Foreground="#4A5568"

                         TextWrapping="Wrap"

                         Margin="0,0,0,16"/>

                <!-- Error Message (Hidden by default) -->

                <Border x:Name="ErrorSection"

                        Background="#FEF2F2"

                        BorderBrush="#FEE2E2"

                        BorderThickness="1"

                        CornerRadius="6"

                        Padding="16"

                        Visibility="Collapsed">

                    <StackPanel Orientation="Horizontal">

                        <Path Data="M12,2L1,21H23M12,6L19.53,19H4.47M11,10V13H13V10M11,15V17H13V15"

                              Fill="#DC2626"

                              Width="24"

                              Height="24"

                              Stretch="Uniform"

                              Margin="0,0,12,0"/>

                        <TextBlock x:Name="ErrorMessage"

                                 Text=""

                                 Foreground="#DC2626"

                                 TextWrapping="Wrap"

                                 VerticalAlignment="Center"/>

                    </StackPanel>

                </Border>

                <!-- Close Button -->

                <Button x:Name="CloseButton"

                        Content="Close"

                        Width="120"

                        Height="40"

                        Background="#F0F0F0"

                        Foreground="#2D3748"

                        BorderThickness="0"

                        HorizontalAlignment="Right"

                        Margin="0,16,0,0"

                        Visibility="Collapsed"/>

            </StackPanel>

        </DockPanel>

    </Border>

</Window>

"@

    $reader = (New-Object System.Xml.XmlNodeReader ([xml]$progressModalXaml))

    $progressWindow = [Windows.Markup.XamlReader]::Load($reader)

    # Get controls

    $title = $progressWindow.FindName('PlaybookTitle')

    $desc = $progressWindow.FindName('PlaybookDescription')

    $progress = $progressWindow.FindName('ExecutionProgress')

    $status = $progressWindow.FindName('StatusMessage')

    $errorSection = $progressWindow.FindName('ErrorSection')

    $errorMessage = $progressWindow.FindName('ErrorMessage')

    $closeButton = $progressWindow.FindName('CloseButton')

    # Set initial content

    $title.Text = $PlaybookName

    $desc.Text = $Description

    # Add close button handler

    $closeButton.Add_Click({

            $progressWindow.Close()

        })

    # Add window closing handler

    $progressWindow.Add_Closing({

            Write-Log "Progress window is closing"

            if ($errorSection.Visibility -eq 'Visible') {

                Write-Log "Window closed with error: $($errorMessage.Text)"

            }

        })

    return $progressWindow

}

# Function to execute playbook

function Invoke-Playbook {

    param(

        [string]$PlaybookName,

        [string]$PlaybookUrl,

        [string]$Description

    )

    try {

        Write-Log "Starting execution of playbook: $PlaybookName"

        # Show progress modal

        $progressWindow = Show-PlaybookProgressModal -PlaybookName $PlaybookName -Description $Description

        $status = $progressWindow.FindName('StatusMessage')

        $errorSection = $progressWindow.FindName('ErrorSection')

        $errorMessage = $progressWindow.FindName('ErrorMessage')

        $closeButton = $progressWindow.FindName('CloseButton')

        # Show the progress window and bring it to front

        $progressWindow.Show()

        $progressWindow.Activate()

        # Download playbook

        $status.Text = "Downloading playbook script..."

        Write-Log "Downloading playbook from: $PlaybookUrl"

        $playbookPath = ".\Playbook_1.ps1"

        try {

            Invoke-WebRequest -Uri $PlaybookUrl -OutFile $playbookPath -ErrorAction Stop

            Write-Log "Playbook downloaded successfully to: $playbookPath"

            # Execute playbook

            $status.Text = "Executing playbook..."

            Write-Log "Executing playbook: $playbookPath"

            $rawResults = & $playbookPath

            Write-Log "Raw results type: $($rawResults.GetType())"

            Write-Log "Raw results count: $($rawResults.Count)"

            Write-Log "Raw results: $($rawResults | ConvertTo-Json -Depth 10)"

            # Filter out only the actual device objects

            $results = $rawResults | Where-Object {

                $_ -and

                $_.PSObject.Properties['SerialNumber'] -and

                $_.SerialNumber -and

                -not $_.PSObject.Properties['ClassId2e4f51ef21dd47e99d3c952918aff9cd']

            }

            Write-Log "Processing $($results.Count) results"

            $status.Text = "Processing results..."

            if ($results) {

                # Create device objects

                $deviceObjects = $results | ForEach-Object {

                    [PSCustomObject]@{

                        DeviceName           = $_.DeviceName

                        SerialNumber         = $_.SerialNumber

                        OperatingSystem      = $_.OperatingSystem

                        PrimaryUser          = $_.PrimaryUser

                        AutopilotLastContact = $_.AutopilotLastContact

                    }

                }

                Write-Log "Created $($deviceObjects.Count) device objects"

                # Update the DataGrid with results

                $PlaybookResultsDataGrid.Dispatcher.Invoke([Action] {

                        Write-Log "Starting UI update..."

                        Write-Log "Current PlaybookResultsGrid visibility: $($PlaybookResultsGrid.Visibility)"

                        Write-Log "Current PlaybooksPage visibility: $($PlaybooksPage.Visibility)"

                        # Clear existing results

                        $PlaybookResultsDataGrid.ItemsSource = $null

                        Write-Log "Cleared existing ItemsSource"

                        # Add each device to the collection

                        $collection = New-Object System.Collections.ObjectModel.ObservableCollection[object]

                        foreach ($device in $deviceObjects) {

                            $collection.Add($device)

                            Write-Log "Added device: $($device.DeviceName)"

                        }

                        # Configure DataGrid columns for playbook results

                        $PlaybookResultsDataGrid.Columns.Clear()

                        $PlaybookResultsDataGrid.Columns.Add((New-Object System.Windows.Controls.DataGridTextColumn -Property @{

                                    Header  = "Device Name"

                                    Binding = New-Object System.Windows.Data.Binding("DeviceName")

                                    Width   = "Auto"

                                }))

                        $PlaybookResultsDataGrid.Columns.Add((New-Object System.Windows.Controls.DataGridTextColumn -Property @{

                                    Header  = "Serial Number"

                                    Binding = New-Object System.Windows.Data.Binding("SerialNumber")

                                    Width   = "Auto"

                                }))

                        $PlaybookResultsDataGrid.Columns.Add((New-Object System.Windows.Controls.DataGridTextColumn -Property @{

                                    Header  = "Operating System"

                                    Binding = New-Object System.Windows.Data.Binding("OperatingSystem")

                                    Width   = "Auto"

                                }))

                        $PlaybookResultsDataGrid.Columns.Add((New-Object System.Windows.Controls.DataGridTextColumn -Property @{

                                    Header  = "Primary User"

                                    Binding = New-Object System.Windows.Data.Binding("PrimaryUser")

                                    Width   = "Auto"

                                }))

                        $PlaybookResultsDataGrid.Columns.Add((New-Object System.Windows.Controls.DataGridTextColumn -Property @{

                                    Header  = "Last Contact"

                                    Binding = New-Object System.Windows.Data.Binding("AutopilotLastContact")

                                    Width   = "Auto"

                                }))

                        # Set the ItemsSource

                        $PlaybookResultsDataGrid.ItemsSource = $collection

                        Write-Log "Added $($collection.Count) items to DataGrid"

                        Write-Log "Added $($collection.Count) items to DataGrid"

                        # Update visibility and header text

                        $Window.FindName('PlaybooksScrollViewer').Visibility = 'Collapsed'

                        $PlaybookResultsGrid.Visibility = 'Visible'

                        $Window.FindName('PlaybookResultsHeader').Text = $PlaybookName

                        Write-Log "Updated visibility settings and header text for playbook results"

                        # Force layout update

                        $PlaybookResultsDataGrid.UpdateLayout()

                        Write-Log "Forced DataGrid layout update"

                        Write-Log "UI update completed"

                    })

                $status.Text = "Playbook completed successfully!"

                Start-Sleep -Seconds 2

                $progressWindow.Close()

            }

            else {

                throw "Playbook returned no results"

            }

        }

        catch {

            throw $_

        }

    }

    catch {

        Write-Log "Error executing playbook: $_"

        if ($null -ne $progressWindow) {

            $errorMessage.Text = $_.Exception.Message

            $errorSection.Visibility = 'Visible'

            $closeButton.Visibility = 'Visible'

            $status.Text = "Error occurred during execution"

        }

        else {

            [System.Windows.MessageBox]::Show(

                "Error executing playbook: $_",

                "Playbook Error",

                [System.Windows.MessageBoxButton]::OK,

                [System.Windows.MessageBoxImage]::Error

            )

        }

    }

}

# Add changelog functionality

function Show-ChangelogDialog {

    try {

        Write-Log "Opening changelog dialog..."

        $reader = (New-Object System.Xml.XmlNodeReader $changelogModalXaml)

        $changelogWindow = [Windows.Markup.XamlReader]::Load($reader)

        # Get controls

        $closeButton = $changelogWindow.FindName('CloseChangelogButton')

        $contentBlock = $changelogWindow.FindName('ChangelogContent')

        # Add close button handler

        $closeButton.Add_Click({

                $changelogWindow.Close()

            })

        # Fetch and display changelog content

        try {

            $markdownContent = Invoke-RestMethod -Uri "https://raw.githubusercontent.com/ugurkocde/DeviceOffboardingManager/refs/heads/main/Changelog.md" -Method Get

            # Create new FlowDocument

            $flowDoc = New-Object System.Windows.Documents.FlowDocument

            $flowDoc.PageWidth = 700 # Set a fixed width for proper text flow

            # Process markdown content line by line

            $markdownContent -split "`n" | ForEach-Object {

                $line = $_.TrimEnd()

                if ($line) {

                    $paragraph = New-Object System.Windows.Documents.Paragraph

                    # Headers

                    if ($line -match '^(#{1,6})\s+(.+)$') {

                        $headerLevel = $matches[1].Length

                        $headerText = $matches[2]

                        $run = New-Object System.Windows.Documents.Run($headerText)

                        $run.FontSize = (24 - ($headerLevel * 2))

                        $run.FontWeight = 'Bold'

                        if ($headerLevel -eq 2) {

                            # Main version headers

                            $run.Foreground = New-Object System.Windows.Media.SolidColorBrush([System.Windows.Media.Color]::FromRgb(0, 120, 212))

                        }

                        $paragraph.Inlines.Add($run)

                        $paragraph.Margin = New-Object System.Windows.Thickness(0, 10, 0, 5)

                    }

                    # List items

                    elseif ($line -match '^\s*-\s+(.+)$') {

                        $listText = $matches[1]

                        $bullet = New-Object System.Windows.Documents.Run('• ')

                        $bullet.FontWeight = 'Bold'

                        $paragraph.Inlines.Add($bullet)

                        # Check for italic text within list item

                        if ($listText -match '\*([^\*]+)\*') {

                            $parts = $listText -split '(\*[^\*]+\*)'

                            foreach ($part in $parts) {

                                if ($part -match '^\*([^\*]+)\*$') {

                                    $run = New-Object System.Windows.Documents.Run($matches[1])

                                    $run.FontStyle = 'Italic'

                                    $paragraph.Inlines.Add($run)

                                }

                                elseif ($part.Trim()) {

                                    $run = New-Object System.Windows.Documents.Run($part)

                                    $paragraph.Inlines.Add($run)

                                }

                            }

                        }

                        else {

                            $run = New-Object System.Windows.Documents.Run($listText)

                            $paragraph.Inlines.Add($run)

                        }

                        $paragraph.Margin = New-Object System.Windows.Thickness(20, 0, 0, 5)

                    }

                    # Italic text (not in list)

                    elseif ($line -match '\*([^\*]+)\*') {

                        $parts = $line -split '(\*[^\*]+\*)'

                        foreach ($part in $parts) {

                            if ($part -match '^\*([^\*]+)\*$') {

                                $run = New-Object System.Windows.Documents.Run($matches[1])

                                $run.FontStyle = 'Italic'

                                $paragraph.Inlines.Add($run)

                            }

                            elseif ($part.Trim()) {

                                $run = New-Object System.Windows.Documents.Run($part)

                                $paragraph.Inlines.Add($run)

                            }

                        }

                    }

                    # Regular text

                    else {

                        $run = New-Object System.Windows.Documents.Run($line)

                        $paragraph.Inlines.Add($run)

                    }

                    $flowDoc.Blocks.Add($paragraph)

                }

            }

            # Set the FlowDocument to the RichTextBox

            $contentBlock.Document = $flowDoc

            Write-Log "Successfully loaded changelog content"

        }

        catch {

            Write-Log "Error fetching changelog: $_"

            $contentBlock.Text = "Error loading changelog. Please check your internet connection and try again."

        }

        # Show dialog

        $changelogWindow.ShowDialog()

    }

    catch {

        Write-Log "Error showing changelog dialog: $_"

        [System.Windows.MessageBox]::Show(

            "Error showing changelog dialog: $_",

            "Error",

            [System.Windows.MessageBoxButton]::OK,

            [System.Windows.MessageBoxImage]::Error

        )

    }

}

# Connect back button

$BackToPlaybooksButton = $Window.FindName('BackToPlaybooksButton')

$BackToPlaybooksButton.Add_Click({

        $Window.FindName('PlaybooksScrollViewer').Visibility = 'Visible'

        $PlaybookResultsGrid.Visibility = 'Collapsed'

        $PlaybookResultsDataGrid.ItemsSource = $null

    })

# Connect changelog button

$changelog_button = $Window.FindName('changelog_button')

$changelog_button.Add_Click({

        Show-ChangelogDialog

    })

# Show Window

$Window.ShowDialog() | Out-Null