@echo off
REM ===================================================
REM  S.W.A.R.M-Watchdog - Komplett-Launcher
REM  - Stoppt laufenden Server (damit Code-Aenderungen greifen)
REM  - Startet pythonw frisch
REM  - Wartet bis Port lauscht
REM  - Oeffnet Chrome
REM
REM  Aufruf:
REM    swarm-start.bat            (Force-Restart, default)
REM    swarm-start.bat /noreload   (nur starten falls nicht laeuft)
REM ===================================================

setlocal EnableDelayedExpansion
set PORT=8765
set URL=http://localhost:%PORT%/04_Fristen-Watchdog/Fristen-Watchdog.html
set TASK=SWARM-Watchdog-Server
set FORCE_RESTART=1
set NO_TUNNEL=1   REM Tailscale Funnel ersetzt Cloudflare-Tunnel
set TUNNEL_LOG=%~dp0cloudflared.log
set TUNNEL_URL_FILE=%~dp0tunnel_url.txt
if /I "%~1"=="/noreload" set FORCE_RESTART=0
if /I "%~1"=="/notunnel" set NO_TUNNEL=1
if /I "%~2"=="/notunnel" set NO_TUNNEL=1

REM ---------- Python-Pfad finden ----------
set PYTHONW=
if exist "%LocalAppData%\Programs\Python\Python312\pythonw.exe" set PYTHONW="%LocalAppData%\Programs\Python\Python312\pythonw.exe"
if not defined PYTHONW if exist "%LocalAppData%\Programs\Python\Python311\pythonw.exe" set PYTHONW="%LocalAppData%\Programs\Python\Python311\pythonw.exe"
if not defined PYTHONW if exist "%LocalAppData%\Programs\Python\Python313\pythonw.exe" set PYTHONW="%LocalAppData%\Programs\Python\Python313\pythonw.exe"
if not defined PYTHONW set PYTHONW=pythonw.exe

REM ---------- cloudflared-Pfad finden ----------
set CLOUDFLARED=
where cloudflared >nul 2>&1
if %ERRORLEVEL% EQU 0 set CLOUDFLARED=cloudflared
if not defined CLOUDFLARED for /f "delims=" %%C in ('dir /b /s "%LocalAppData%\Microsoft\WinGet\Packages\Cloudflare.cloudflared*\cloudflared.exe" 2^>nul') do set CLOUDFLARED="%%C"

REM ---------- Chrome-Pfad finden ----------
set CHROME=
if exist "C:\Program Files\Google\Chrome\Application\chrome.exe" set CHROME="C:\Program Files\Google\Chrome\Application\chrome.exe"
if not defined CHROME if exist "C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" set CHROME="C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"
if not defined CHROME if exist "%LocalAppData%\Google\Chrome\Application\chrome.exe" set CHROME="%LocalAppData%\Google\Chrome\Application\chrome.exe"

echo ============================================
echo  S.W.A.R.M-Watchdog Launcher
echo ============================================
echo  Port            : %PORT%
echo  URL             : %URL%
echo  Force-Restart   : %FORCE_RESTART%
echo  Server-Script   : %~dp0scripts\watchdog_server.py
echo ============================================
echo.

REM ---------- Bestehende watchdog_server.py-Prozesse beenden ----------
if "%FORCE_RESTART%"=="1" (
  echo [INFO] Stoppe bestehende watchdog_server.py-Prozesse...
  powershell -NoProfile -Command "Get-CimInstance Win32_Process | Where-Object { $_.CommandLine -match 'watchdog_server\.py' } | ForEach-Object { Write-Output (' - Beende PID ' + $_.ProcessId); Stop-Process -Id $_.ProcessId -Force -ErrorAction SilentlyContinue }"
  REM Falls Scheduled Task laeuft: anhalten
  schtasks /End /TN "%TASK%" >nul 2>&1
  REM Kurz warten bis Port frei
  timeout /t 1 /nobreak >nul
)

REM ---------- Pruefe ob Server schon antwortet ----------
netstat -an | findstr ":%PORT%" | findstr "LISTENING" >nul
if %ERRORLEVEL% EQU 0 (
  if "%FORCE_RESTART%"=="1" (
    echo [WARN] Port %PORT% ist noch belegt - warte 2 Sekunden...
    timeout /t 2 /nobreak >nul
  ) else (
    echo [OK] Server laeuft bereits.
    goto :open_browser
  )
)

REM ---------- Server starten ----------
echo [INFO] Starte Server: %PYTHONW% scripts\watchdog_server.py
start "" /B %PYTHONW% "%~dp0scripts\watchdog_server.py"

REM ---------- Warten bis Port lauscht ----------
echo [INFO] Warte auf Server-Start (max 12sec)...
set /a TRIES=0
:wait_loop
timeout /t 1 /nobreak >nul
netstat -an | findstr ":%PORT%" | findstr "LISTENING" >nul
if %ERRORLEVEL% EQU 0 (
  echo [OK] Server ist hochgefahren.
  goto :probe_endpoint
)
set /a TRIES+=1
if %TRIES% LSS 12 goto :wait_loop

echo [WARN] Server scheint nicht zu starten - oeffne Chrome trotzdem
goto :open_browser

REM ---------- Probe Status-Endpoint (zeigt ob neue Version laeuft) ----------
:probe_endpoint
set ENDPOINT_OK=0
for /f "delims=" %%S in ('powershell -NoProfile -Command "try { $r = Invoke-WebRequest -UseBasicParsing -Method POST -Uri 'http://localhost:%PORT%/api/status/save' -ContentType 'application/json' -Body '{\"fristen\":{}}' -TimeoutSec 3; $r.StatusCode } catch { try { $_.Exception.Response.StatusCode.value__ } catch { 0 } }"') do set HTTPCODE=%%S
if "%HTTPCODE%"=="200" set ENDPOINT_OK=1
if "%HTTPCODE%"=="400" set ENDPOINT_OK=1
if "%ENDPOINT_OK%"=="1" (
  echo [OK] /api/status/save erreichbar - Status-Sync aktiv.
) else (
  echo [WARN] /api/status/save antwortet HTTP %HTTPCODE% - Server-Code evtl. veraltet.
)

REM ---------- Cloudflared-Tunnel ----------
if "%NO_TUNNEL%"=="1" goto :open_browser
if not defined CLOUDFLARED (
  echo [WARN] cloudflared nicht gefunden - ueberspringe Tunnel.
  goto :open_browser
)
echo [INFO] Stoppe bestehende cloudflared-Prozesse...
taskkill /F /IM cloudflared.exe >nul 2>&1
if exist "%TUNNEL_LOG%" del /Q "%TUNNEL_LOG%" >nul 2>&1
echo [INFO] Starte Cloudflare-Tunnel auf http://localhost:%PORT%
start "" /B %CLOUDFLARED% tunnel --url http://localhost:%PORT% --no-autoupdate --logfile "%TUNNEL_LOG%"
echo [INFO] Warte auf Tunnel-URL (max 15sec)...
set /a TUNNEL_TRIES=0
:tunnel_wait
timeout /t 1 /nobreak >nul
set TUNNEL_URL=
for /f "tokens=*" %%U in ('powershell -NoProfile -Command "if (Test-Path '%TUNNEL_LOG%') { (Select-String -Path '%TUNNEL_LOG%' -Pattern 'https://[a-z0-9-]+\.trycloudflare\.com' -ErrorAction SilentlyContinue | Select-Object -First 1).Matches.Value }"') do set TUNNEL_URL=%%U
if defined TUNNEL_URL goto :tunnel_ready
set /a TUNNEL_TRIES+=1
if %TUNNEL_TRIES% LSS 15 goto :tunnel_wait
echo [WARN] Tunnel-URL nicht gefunden - cloudflared.log pruefen.
goto :open_browser
:tunnel_ready
echo [OK] Tunnel-URL: %TUNNEL_URL%
> "%TUNNEL_URL_FILE%" echo %TUNNEL_URL%

REM ---------- Chrome oeffnen ----------
:open_browser
if not defined CHROME (
  echo [WARN] Chrome nicht gefunden. URL manuell oeffnen:
  echo   %URL%
  pause
  exit /b 1
)
echo [INFO] Oeffne Chrome neues Fenster...
start "" %CHROME% --new-window "%URL%"

REM Kurz warten, dann Konsole schliessen
timeout /t 2 /nobreak >nul
exit /b 0