library/xWindowsUpdate/2.8.0.0/DscResources/MSFT_xMicrosoftUpdate/MSFT_xMicrosoftUpdate.psm1

function Write-DeprecatedMessage {
    Write-Warning -Message 'xMicrosoftUpdate is deprecated. Please use xWindows Update Agent'
}

function Get-TargetResource {
    [CmdletBinding()]
    [OutputType([System.Collections.Hashtable])]
    param
    (
        [parameter(Mandatory = $true)]
        [ValidateSet("Present", "Absent")]
        [System.String]
        $Ensure
    )

    Write-DeprecatedMessage
    Write-Verbose -Message "Getting Windows Update Agent services..."
    #Get the registered update services
    $UpdateServices = (New-Object -ComObject Microsoft.Update.ServiceManager).Services

    $returnValue = @{
        Ensure = $Ensure
    }

    #Check if the microsoft update service is registered
    if ($UpdateServices | Where-Object { $_.ServiceID -eq '7971f918-a847-4430-9279-4a52d1efe18d' }) {
        Write-Verbose -Message "Microsoft Update Present..."
        $returnValue.Ensure = 'Present'
    } Else {
        Write-Verbose -Message "Microsoft Update Absent..."
        $returnValue.Ensure = 'Absent'
    }

    $returnValue
}


function Set-TargetResource {
    [CmdletBinding(SupportsShouldProcess = $true)]
    param
    (
        [parameter(Mandatory = $true)]
        [ValidateSet("Present", "Absent")]
        [System.String]
        $Ensure
    )

    Write-DeprecatedMessage
    Switch ($Ensure) {
        'Present' {
            If ($PSCmdlet.ShouldProcess("Enable Microsoft Update")) {
                Try {
                    Write-Verbose -Message "Enable the Microsoft Update setting"
                    (New-Object -ComObject Microsoft.Update.ServiceManager).AddService2('7971f918-a847-4430-9279-4a52d1efe18d', 7, "")
                    Restart-Service wuauserv -ErrorAction SilentlyContinue
                } Catch {
                    $ErrorMsg = $_.Exception.Message
                    Write-Verbose $ErrorMsg
                }
            }
        }
        'Absent' {
            If ($PSCmdlet.ShouldProcess("$Drive", "Disable Microsoft Update")) {
                Try {
                    Write-Verbose -Message "Disable the Microsoft Update setting"
                    (New-Object -ComObject Microsoft.Update.ServiceManager).RemoveService('7971f918-a847-4430-9279-4a52d1efe18d')
                } Catch {
                    $ErrorMsg = $_.Exception.Message
                    Write-Verbose $ErrorMsg
                }
            }
        }
    }
}

function Test-TargetResource {
    # Verbose messages are written in Get.
    [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSDSCUseVerboseMessageInDSCResource", "")]
    [CmdletBinding()]
    [OutputType([System.Boolean])]
    param
    (
        [parameter(Mandatory = $true)]
        [ValidateSet("Present", "Absent")]
        [System.String]
        $Ensure
    )

    #Output the result of Get-TargetResource function.

    $Get = Get-TargetResource -Ensure $Ensure

    If ($Ensure -eq $Get.Ensure) {
        return $true
    } Else {
        return $false
    }
}


Export-ModuleMember -Function *-TargetResource