#Requires -RunAsAdministrator
<#
.SYNOPSIS
    RustDesk Silent Uninstall
#>

$LogFile = "$env:ProgramData\Microsoft\IntuneManagementExtension\Logs\Uninstall-RustDesk.log"
function Write-Log {
    param([string]$Message)
    $ts = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
    "$ts  $Message" | Tee-Object -FilePath $LogFile -Append | Write-Output
}

Write-Log "=== RustDesk Uninstall gestartet ==="

# Dienst stoppen
Stop-Service -Name "RustDesk" -Force -ErrorAction SilentlyContinue
Stop-Process -Name "rustdesk" -Force -ErrorAction SilentlyContinue
Start-Sleep -Seconds 2

# Über rustdesk.exe deinstallieren
$RustDeskExe = "$env:ProgramFiles\RustDesk\rustdesk.exe"
if (Test-Path $RustDeskExe) {
    Write-Log "Starte Uninstall via rustdesk.exe..."
    Start-Process -FilePath $RustDeskExe -ArgumentList "--uninstall-service" -Wait -NoNewWindow -ErrorAction SilentlyContinue
    Start-Process -FilePath $RustDeskExe -ArgumentList "--silent-install", "/uninstall" -Wait -NoNewWindow -ErrorAction SilentlyContinue
}

# Über Registry (Uninstall-String)
$uninstallKeys = @(
    "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall",
    "HKLM:\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall"
)
foreach ($key in $uninstallKeys) {
    Get-ChildItem $key -ErrorAction SilentlyContinue | ForEach-Object {
        $displayName = (Get-ItemProperty $_.PSPath -ErrorAction SilentlyContinue).DisplayName
        if ($displayName -like "*RustDesk*") {
            $uninstallStr = (Get-ItemProperty $_.PSPath).UninstallString
            Write-Log "Uninstall-String gefunden: $uninstallStr"
            Start-Process -FilePath "cmd.exe" -ArgumentList "/c $uninstallStr /S" -Wait -NoNewWindow -ErrorAction SilentlyContinue
        }
    }
}

# Reste entfernen
$paths = @(
    "$env:ProgramFiles\RustDesk",
    "$env:ProgramData\RustDesk"
)
foreach ($p in $paths) {
    if (Test-Path $p) {
        Remove-Item -Path $p -Recurse -Force -ErrorAction SilentlyContinue
        Write-Log "Entfernt: $p"
    }
}

Write-Log "=== RustDesk Uninstall abgeschlossen ==="
exit 0