@echo off

echo Erstelle TMP-Ordner...
if not exist "C:\TMP" mkdir "C:\TMP" >nul 2>&1

echo Deaktiviere und loesche pcvisit / caloa Dienste...
:: Sucht nun nach pcvisit UND caloa Diensten, stoppt und loescht sie
powershell -Command "Get-Service -Name '*pcvisit*', '*caloa*' -ErrorAction SilentlyContinue | ForEach-Object { Stop-Service -Name $_.Name -Force -ErrorAction SilentlyContinue; Set-Service -Name $_.Name -StartupType Disabled -ErrorAction SilentlyContinue; sc.exe delete $_.Name }" >nul 2>&1

echo Beende restliche Prozesse...
powershell -Command "Get-Process -Name '*pcvisit*', '*caloa*' -ErrorAction SilentlyContinue | Stop-Process -Force" >nul 2>&1

echo Fuehre pcvisit Uninstaller aus...
for /f "delims=" %%I in ('dir /b /s "%ProgramFiles(x86)%\pcvisit Software AG\*uninstall*.exe" 2^>nul') do (
    "%%I" /S >nul 2>&1
)
for /f "delims=" %%I in ('dir /b /s "%ProgramFiles%\pcvisit Software AG\*uninstall*.exe" 2^>nul') do (
    "%%I" /S >nul 2>&1
)

:: 10 Sekunden warten
ping 127.0.0.1 -n 11 >nul

echo Raeume pcvisit Datei-Reste auf...
rmdir /S /Q "%ProgramFiles(x86)%\pcvisit Software AG" >nul 2>&1
rmdir /S /Q "%ProgramFiles%\pcvisit Software AG" >nul 2>&1

echo Lade RustDesk herunter...
:: WICHTIG FUER SERVER 2016: Hier wird explizit TLS 1.2 (SecurityProtocolType 3072) erzwungen!
powershell -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $ProgressPreference = 'SilentlyContinue'; Invoke-WebRequest -Uri 'https://me-files.vmd55888.de/me-rustdesk-host.exe' -OutFile 'C:\TMP\rustdesk_installer.exe' -UseBasicParsing"

:: 2 Sekunden warten (Ping-Trick)
ping 127.0.0.1 -n 3 >nul


echo Erstelle saubere Admin-Umgebung via Taskplaner...
schtasks /create /tn "RustDesk_Setup" /ru "SYSTEM" /rl HIGHEST /tr "C:\TMP\rustdesk_installer.exe --silent-install" /sc once /st 00:00 /f >nul 2>&1

echo Starte Installation...
schtasks /run /tn "RustDesk_Setup" >nul 2>&1

:: 15 Sekunden warten (Ping-Trick)
ping 127.0.0.1 -n 16 >nul


echo Raeume Task wieder auf...
schtasks /delete /tn "RustDesk_Setup" /f >nul 2>&1

echo Entferne Desktop-Verknuepfung...
del "C:\Users\Public\Desktop\ME-RustDesk-Host.lnk" /Q /F >nul 2>&1


echo Fertig!