DSCResources/MSFT_AADConnectorGroupApplicationProxy/MSFT_AADConnectorGroupApplicationProxy.psm1

function Get-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.Collections.Hashtable])]
    param
    (
        [Parameter(Mandatory = $true)]
        [System.String]
        $Name,

        [Parameter()]
        [ValidateSet('nam','eur','aus','asia','ind','unknownFutureValue')]
        [System.String]
        $Region,

        [Parameter()]
        [System.String]
        $Id,

        [Parameter()]
        [System.String]
        [ValidateSet('Absent', 'Present')]
        $Ensure = 'Present',

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $Credential,

        [Parameter()]
        [System.String]
        $ApplicationId,

        [Parameter()]
        [System.String]
        $TenantId,

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $ApplicationSecret,

        [Parameter()]
        [System.String]
        $CertificateThumbprint,

        [Parameter()]
        [Switch]
        $ManagedIdentity,

        [Parameter()]
        [System.String[]]
        $AccessTokens
    )

    try
    {
        $ConnectionMode = New-M365DSCConnection -Workload 'MicrosoftGraph' `
            -InboundParameters $PSBoundParameters

        #Ensure the proper dependencies are installed in the current environment.
        Confirm-M365DSCDependencies

        #region Telemetry
        $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace('MSFT_', '')
        $CommandName = $MyInvocation.MyCommand
        $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName `
            -CommandName $CommandName `
            -Parameters $PSBoundParameters
        Add-M365DSCTelemetryEvent -Data $data
        #endregion

        $nullResult = $PSBoundParameters
        $nullResult.Ensure = 'Absent'

        $getValue = $null
        #region resource generator code
        if (-not [string]::IsNullOrEmpty($Id))
        {
            if ($null -ne $Script:exportedInstances -and $Script:ExportMode)
            {
                $getValue = $Script:exportedInstances | Where-Object -FilterScript {$_.Id -eq $Id}
            }
            else
            {
                $getValue = Get-MgBetaOnPremisePublishingProfileConnectorGroup -ConnectorGroupId $Id -OnPremisesPublishingProfileId 'applicationProxy' -ErrorAction SilentlyContinue
            }
        }

        if ($null -eq $getValue -and -not [string]::IsNullOrEmpty($Id))
        {
            Write-Verbose -Message "Could not find an Azure AD Connector Group Application Proxy with Name {$Name}"
            if (-Not [string]::IsNullOrEmpty($DisplayName))
            {
                if ($null -ne $Script:exportedInstances -and $Script:ExportMode)
                {
                    $getValue = $Script:exportedInstances | Where-Object -FilterScript {$_.Name -eq $Name}
                }
                else
                {
                    $getValue = Get-MgBetaOnPremisePublishingProfileConnectorGroup -OnPremisesPublishingProfileId 'applicationProxy' -Filter "Name eq '$Name'" -ErrorAction Stop
                }
            }
        }
        #endregion
        if ($null -eq $getValue)
        {
            Write-Verbose -Message "Could not find an Azure AD Connector Group Application Proxy with Name {$Name}"
            return $nullResult
        }

        $Id = $getValue.Id
        Write-Verbose -Message "An Azure AD Connector Group Application Proxy with Id {$Id} and Name {$Name} was found"

        $enumRegion = $null
        if ($null -ne $getValue.Region)
        {
            $enumRegion = $getValue.Region.ToString()
        }
        #endregion

        $results = @{
            #region resource generator code
            Name                  = $getValue.Name
            Region                = $enumRegion
            Id                    = $getValue.Id
            Ensure                = 'Present'
            Credential            = $Credential
            ApplicationId         = $ApplicationId
            TenantId              = $TenantId
            ApplicationSecret     = $ApplicationSecret
            CertificateThumbprint = $CertificateThumbprint
            ManagedIdentity       = $ManagedIdentity.IsPresent
            #endregion
        }

        return [System.Collections.Hashtable] $results
    }
    catch
    {
        New-M365DSCLogEntry -Message 'Error retrieving data:' `
            -Exception $_ `
            -Source $($MyInvocation.MyCommand.Source) `
            -TenantId $TenantId `
            -Credential $Credential

        return $nullResult
    }
}

function Set-TargetResource
{
    [CmdletBinding()]
    param
    (
        [Parameter(Mandatory = $true)]
        [System.String]
        $Name,

        [Parameter()]
        [ValidateSet('nam','eur','aus','asia','ind','unknownFutureValue')]
        [System.String]
        $Region,

        [Parameter()]
        [System.String]
        $Id,

        [Parameter()]
        [System.String]
        [ValidateSet('Absent', 'Present')]
        $Ensure = 'Present',

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $Credential,

        [Parameter()]
        [System.String]
        $ApplicationId,

        [Parameter()]
        [System.String]
        $TenantId,

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $ApplicationSecret,

        [Parameter()]
        [System.String]
        $CertificateThumbprint,

        [Parameter()]
        [Switch]
        $ManagedIdentity,

        [Parameter()]
        [System.String[]]
        $AccessTokens
    )

    #Ensure the proper dependencies are installed in the current environment.
    Confirm-M365DSCDependencies

    #region Telemetry
    $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace('MSFT_', '')
    $CommandName = $MyInvocation.MyCommand
    $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName `
        -CommandName $CommandName `
        -Parameters $PSBoundParameters
    Add-M365DSCTelemetryEvent -Data $data
    #endregion

    $currentInstance = Get-TargetResource @PSBoundParameters

    $BoundParameters = Remove-M365DSCAuthenticationParameter -BoundParameters $PSBoundParameters
    $OnPremisesPublishingProfileId = "applicationProxy"

    if ($Ensure -eq 'Present' -and $currentInstance.Ensure -eq 'Absent')
    {
        Write-Verbose -Message "Creating an Azure AD Connector Group Application Proxy with Name {$DisplayName}"

        $createParameters = ([Hashtable]$BoundParameters).Clone()
        $createParameters = Rename-M365DSCCimInstanceParameter -Properties $createParameters
        $createParameters.Remove('Id') | Out-Null

        #region resource generator code
        $policy = New-MgBetaOnPremisePublishingProfileConnectorGroup  `
            -OnPremisesPublishingProfileId $OnPremisesPublishingProfileId `
            -BodyParameter $createParameters
        #endregion
    }
    elseif ($Ensure -eq 'Present' -and $currentInstance.Ensure -eq 'Present')
    {
        Write-Verbose -Message "Updating the Azure AD Connector Group Application Proxy with Id {$($currentInstance.Id)}"

        $updateParameters = ([Hashtable]$BoundParameters).Clone()
        $updateParameters.Remove('Id') | Out-Null

        Update-MgBetaOnPremisePublishingProfileConnectorGroup `
            -ConnectorGroupId $currentInstance.Id `
            -OnPremisesPublishingProfileId $OnPremisesPublishingProfileId `
            -BodyParameter $UpdateParameters
        #endregion
    }
    elseif ($Ensure -eq 'Absent' -and $currentInstance.Ensure -eq 'Present')
    {
        Write-Verbose -Message "Removing the Azure AD Connector Group Application Proxy with Id {$($currentInstance.Id)}"
        #region resource generator code
        Remove-MgBetaOnPremisePublishingProfileConnectorGroup  `
            -ConnectorGroupId $currentInstance.Id `
            -OnPremisesPublishingProfileId $OnPremisesPublishingProfileId
        #endregion
    }
}

function Test-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.Boolean])]
    param
    (
        #region resource generator code
        [Parameter(Mandatory = $true)]
        [System.String]
        $Name,

        [Parameter()]
        [ValidateSet('nam','eur','aus','asia','ind','unknownFutureValue')]
        [System.String]
        $Region,

        [Parameter()]
        [System.String]
        $Id,

        #endregion

        [Parameter()]
        [System.String]
        [ValidateSet('Absent', 'Present')]
        $Ensure = 'Present',

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $Credential,

        [Parameter()]
        [System.String]
        $ApplicationId,

        [Parameter()]
        [System.String]
        $TenantId,

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $ApplicationSecret,

        [Parameter()]
        [System.String]
        $CertificateThumbprint,

        [Parameter()]
        [Switch]
        $ManagedIdentity,

        [Parameter()]
        [System.String[]]
        $AccessTokens
    )

    #Ensure the proper dependencies are installed in the current environment.
    Confirm-M365DSCDependencies

    #region Telemetry
    $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace('MSFT_', '')
    $CommandName = $MyInvocation.MyCommand
    $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName `
        -CommandName $CommandName `
        -Parameters $PSBoundParameters
    Add-M365DSCTelemetryEvent -Data $data
    #endregion

    Write-Verbose -Message "Testing configuration of the Azure AD Connector Group Application Proxy with Id {$Id} and Name {$Name}"

    $CurrentValues = Get-TargetResource @PSBoundParameters
    $ValuesToCheck = ([Hashtable]$PSBoundParameters).clone()

    if ($CurrentValues.Ensure -ne $Ensure)
    {
        Write-Verbose -Message "Test-TargetResource returned $false"
        return $false
    }
    $testResult = $true

    $ValuesToCheck.Remove('Id') | Out-Null
    $ValuesToCheck = Remove-M365DSCAuthenticationParameter -BoundParameters $ValuesToCheck

    Write-Verbose -Message "Current Values: $(Convert-M365DscHashtableToString -Hashtable $CurrentValues)"
    Write-Verbose -Message "Target Values: $(Convert-M365DscHashtableToString -Hashtable $ValuesToCheck)"

    if ($testResult)
    {
        $testResult = Test-M365DSCParameterState -CurrentValues $CurrentValues `
            -Source $($MyInvocation.MyCommand.Source) `
            -DesiredValues $PSBoundParameters `
            -ValuesToCheck $ValuesToCheck.Keys
    }

    Write-Verbose -Message "Test-TargetResource returned $testResult"

    return $testResult
}

function Export-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.String])]
    param
    (
        [Parameter()]
        [System.Management.Automation.PSCredential]
        $Credential,

        [Parameter()]
        [System.String]
        $ApplicationId,

        [Parameter()]
        [System.String]
        $TenantId,

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $ApplicationSecret,

        [Parameter()]
        [System.String]
        $CertificateThumbprint,

        [Parameter()]
        [Switch]
        $ManagedIdentity,

        [Parameter()]
        [System.String[]]
        $AccessTokens
    )

    $ConnectionMode = New-M365DSCConnection -Workload 'MicrosoftGraph' `
        -InboundParameters $PSBoundParameters

    #Ensure the proper dependencies are installed in the current environment.
    Confirm-M365DSCDependencies

    #region Telemetry
    $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace('MSFT_', '')
    $CommandName = $MyInvocation.MyCommand
    $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName `
        -CommandName $CommandName `
        -Parameters $PSBoundParameters
    Add-M365DSCTelemetryEvent -Data $data
    #endregion

    try
    {
        #region resource generator code
        [array]$getValue = Get-MgBetaOnPremisePublishingProfileConnectorGroup -OnPremisesPublishingProfileId 'applicationProxy' -ErrorAction Stop
        #endregion

        $i = 1
        $dscContent = ''
        if ($getValue.Length -eq 0)
        {
            Write-Host $Global:M365DSCEmojiGreenCheckMark
        }
        else
        {
            Write-Host "`r`n" -NoNewline
        }
        foreach ($config in $getValue)
        {
            $displayedKey = $config.Id
            if (-not [string]::IsNullOrEmpty($config.name))
            {
                $displayedKey = $config.name
            }

            Write-Host " |---[$i/$($getValue.Count)] $displayedKey" -NoNewline
            $params = @{
                Id                    =  $config.Id
                Name                  =  $config.Name
                Ensure                = 'Present'
                Credential            = $Credential
                ApplicationId         = $ApplicationId
                TenantId              = $TenantId
                ApplicationSecret     = $ApplicationSecret
                CertificateThumbprint = $CertificateThumbprint
                ManagedIdentity       = $ManagedIdentity.IsPresent
                AccessTokens          = $AccessTokens
            }

            $Results = Get-TargetResource @Params
            $Results = Update-M365DSCExportAuthenticationResults -ConnectionMode $ConnectionMode `
                -Results $Results

            $currentDSCBlock = Get-M365DSCExportContentForResource -ResourceName $ResourceName `
                -ConnectionMode $ConnectionMode `
                -ModulePath $PSScriptRoot `
                -Results $Results `
                -Credential $Credential

            $dscContent += $currentDSCBlock
            Save-M365DSCPartialExport -Content $currentDSCBlock `
                -FileName $Global:PartialExportFileName
            $i++
            Write-Host $Global:M365DSCEmojiGreenCheckMark
        }
        return $dscContent
    }
    catch
    {
        Write-Host $Global:M365DSCEmojiRedX

        New-M365DSCLogEntry -Message 'Error during Export:' `
            -Exception $_ `
            -Source $($MyInvocation.MyCommand.Source) `
            -TenantId $TenantId `
            -Credential $Credential

        return ''
    }
}

Export-ModuleMember -Function *-TargetResource