#Function to make actions post WAU update

function Invoke-PostUpdateActions {
    
    #log
    Write-Log "Running Post Update actions..." "yellow"

    #Reset Winget Sources
    $ResolveWingetPath = Resolve-Path "$env:programfiles\WindowsApps\Microsoft.DesktopAppInstaller_*_x64__8wekyb3d8bbwe\winget.exe" | Sort-Object { [version]($_.Path -replace '^[^\d]+_((\d+\.)*\d+)_.*', '$1') }
    if ($ResolveWingetPath) {
        #If multiple version, pick last one
        $WingetPath = $ResolveWingetPath[-1].Path
        & $WingetPath source reset --force
        Write-Log "-> Winget sources reseted." "green"
    }
    
    #Create WAU Regkey if not present
    $regPath = "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Winget-AutoUpdate"
    if (!(test-path $regPath)) {
        New-Item $regPath -Force
        New-ItemProperty $regPath -Name DisplayName -Value "Winget-AutoUpdate (WAU)" -Force
        New-ItemProperty $regPath -Name DisplayIcon -Value "C:\Windows\System32\shell32.dll,-16739" -Force
        New-ItemProperty $regPath -Name NoModify -Value 1 -Force
        New-ItemProperty $regPath -Name NoRepair -Value 1 -Force
        New-ItemProperty $regPath -Name Publisher -Value "Romanitho" -Force
        New-ItemProperty $regPath -Name URLInfoAbout -Value "https://github.com/Romanitho/Winget-AutoUpdate" -Force
        New-ItemProperty $regPath -Name InstallLocation -Value $WorkingDir -Force
        New-ItemProperty $regPath -Name UninstallString -Value "powershell.exe -noprofile -executionpolicy bypass -file `"$WorkingDir\WAU-Uninstall.ps1`"" -Force
        New-ItemProperty $regPath -Name QuietUninstallString -Value "powershell.exe -noprofile -executionpolicy bypass -file `"$WorkingDir\WAU-Uninstall.ps1`"" -Force
        New-ItemProperty $regPath -Name WAU_UpdatePrerelease -Value 0 -PropertyType DWord -Force

        #log
        Write-Log "-> $regPath created." "green"
    }
    #Fix Notif where WAU_NotificationLevel is not set
    $regNotif = Get-ItemProperty $regPath -Name WAU_NotificationLevel -ErrorAction SilentlyContinue
    if (!$regNotif) {
        New-ItemProperty $regPath -Name WAU_NotificationLevel -Value Full -Force

        #log
        Write-Log "-> Notification level setting was missing. Fixed with 'Full' option."
    }
    
    #Convert about.xml if exists (previous WAU versions) to reg
    $WAUAboutPath = "$WorkingDir\config\about.xml"
    if (test-path $WAUAboutPath) {
        [xml]$About = Get-Content $WAUAboutPath -Encoding UTF8 -ErrorAction SilentlyContinue
        New-ItemProperty $regPath -Name DisplayVersion -Value $About.app.version -Force
        New-ItemProperty $regPath -Name VersionMajor -Value ([version]$About.app.version).Major -Force
        New-ItemProperty $regPath -Name VersionMinor -Value ([version]$About.app.version).Minor -Force

        #Remove file once converted
        Remove-Item $WAUAboutPath -Force -Confirm:$false

        #log
        Write-Log "-> $WAUAboutPath converted." "green"
    }

    #Convert config.xml if exists (previous WAU versions) to reg
    $WAUConfigPath = "$WorkingDir\config\config.xml"
    if (test-path $WAUConfigPath) {
        [xml]$Config = Get-Content $WAUConfigPath -Encoding UTF8 -ErrorAction SilentlyContinue
        if ($Config.app.WAUautoupdate -eq "False") { New-ItemProperty $regPath -Name WAU_DisableAutoUpdate -Value 1 -Force }
        if ($Config.app.NotificationLevel) { New-ItemProperty $regPath -Name WAU_NotificationLevel -Value $Config.app.NotificationLevel -Force }
        if ($Config.app.UseWAUWhiteList -eq "True") { New-ItemProperty $regPath -Name WAU_UseWhiteList -Value 1 -PropertyType DWord -Force }
        if ($Config.app.WAUprerelease -eq "True") { New-ItemProperty $regPath -Name WAU_UpdatePrerelease -Value 1 -PropertyType DWord -Force }

        #Remove file once converted
        Remove-Item $WAUConfigPath -Force -Confirm:$false

        #log
        Write-Log "-> $WAUConfigPath converted." "green"
    }

    #Remove old functions
    $FileNames = @(
        "$WorkingDir\functions\Get-WAUConfig.ps1",
        "$WorkingDir\functions\Get-WAUCurrentVersion.ps1",
        "$WorkingDir\functions\Get-WAUUpdateStatus.ps1"
    )
    foreach ($FileName in $FileNames) {
        if (Test-Path $FileName) {
            Remove-Item $FileName -Force -Confirm:$false
            
            #log
            Write-Log "-> $FileName removed." "green"
        }
    }

    #Set new User Context task and Set system task readable/runnable for all users
    $UserTask = Get-ScheduledTask -TaskName "Winget-AutoUpdate-UserContext" -ErrorAction SilentlyContinue
    if (!$UserTask) {
        # Settings for the scheduled task in User context
        $taskAction = New-ScheduledTaskAction -Execute "wscript.exe" -Argument "`"$($WorkingDir)\Invisible.vbs`" `"powershell.exe -NoProfile -ExecutionPolicy Bypass -File `"`"`"$($WorkingDir)\winget-upgrade.ps1`"`""
        $taskUserPrincipal = New-ScheduledTaskPrincipal -GroupId S-1-5-11
        $taskSettings = New-ScheduledTaskSettingsSet -Compatibility Win8 -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries -ExecutionTimeLimit 03:00:00
        # Set up the task for user apps
        $task = New-ScheduledTask -Action $taskAction -Principal $taskUserPrincipal -Settings $taskSettings
        Register-ScheduledTask -TaskName 'Winget-AutoUpdate-UserContext' -InputObject $task -Force | Out-Null

        #Set System task runnable for users
        $scheduler = New-Object -ComObject "Schedule.Service"
        $scheduler.Connect()
        $task = $scheduler.GetFolder("").GetTask("Winget-AutoUpdate")
        $sec = $task.GetSecurityDescriptor(0xF)
        $sec = $sec + '(A;;GRGX;;;AU)'
        $task.SetSecurityDescriptor($sec, 0)
    }

    #Set ACL for users on logfile
    $NewAcl = Get-Acl -Path $LogFile
    $identity = New-Object System.Security.Principal.SecurityIdentifier S-1-5-11
    $fileSystemRights = "Modify"
    $type = "Allow"
    $fileSystemAccessRuleArgumentList = $identity, $fileSystemRights, $type
    $fileSystemAccessRule = New-Object -TypeName System.Security.AccessControl.FileSystemAccessRule -ArgumentList $fileSystemAccessRuleArgumentList
    $NewAcl.SetAccessRule($fileSystemAccessRule)
    Set-Acl -Path $LogFile -AclObject $NewAcl

    #Reset WAU_UpdatePostActions Value
    $WAUConfig | New-ItemProperty -Name WAU_PostUpdateActions -Value 0 -Force

    #Get updated WAU Config
    $Script:WAUConfig = Get-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Winget-AutoUpdate"

    #log
    Write-Log "Post Update actions finished" "green"
   
}