@echo off
setlocal

echo.
echo ============================================================
echo   Siemens RAGAS Console  -  Starting...
echo ============================================================
echo.

:: Change to the directory where this script lives (siemens_ragas/)
cd /d "%~dp0"
echo Working directory: %CD%
echo.

:: ----------------------------------------------------------------
:: 1. Check Python
:: ----------------------------------------------------------------
python --version >nul 2>&1
if errorlevel 1 (
    echo [ERROR] Python not found. Please install Python 3.12+ and add it to PATH.
    goto :error
)
for /f "tokens=*" %%v in ('python --version 2^>^&1') do echo [OK] %%v

:: ----------------------------------------------------------------
:: 2. Check FastAPI / uvicorn
:: ----------------------------------------------------------------
python -c "import fastapi, uvicorn" >nul 2>&1
if errorlevel 1 (
    echo [INFO] Installing fastapi and uvicorn...
    pip install fastapi uvicorn --quiet
    if errorlevel 1 (
        echo [ERROR] Failed to install fastapi/uvicorn.
        echo         Run manually: pip install fastapi uvicorn
        goto :error
    )
    echo [OK] fastapi and uvicorn installed.
) else (
    echo [OK] fastapi / uvicorn ready.
)

:: ----------------------------------------------------------------
:: 3. Check ragas version
:: ----------------------------------------------------------------
python -c "import ragas; assert ragas.__version__ == '0.4.3', ragas.__version__" >nul 2>&1
if errorlevel 1 (
    echo [INFO] Installing ragas==0.4.3 ...
    pip install "ragas==0.4.3" --quiet
    if errorlevel 1 (
        echo [WARN] ragas install failed. Dashboard still works; evaluation trigger will show an error.
    ) else (
        echo [OK] ragas 0.4.3 installed.
    )
) else (
    echo [OK] ragas 0.4.3 ready.
)

:: ----------------------------------------------------------------
:: 4. Seed demo data if no runs exist yet
:: ----------------------------------------------------------------
if not exist "outputs\kba-knowledge-base-offline-baseline" (
    echo [INFO] No run data found. Generating demo data...
    python scripts\seed_sample_run.py
    if errorlevel 1 (
        echo [WARN] Demo data generation failed. Dashboard may be empty.
    ) else (
        echo [OK] Demo data generated.
    )
) else (
    echo [OK] Run data found, skipping demo generation.
)

:: ----------------------------------------------------------------
:: 5. Pick an available port
:: ----------------------------------------------------------------
set PORT=8800
netstat -ano 2>nul | findstr ":8800" | findstr "LISTENING" >nul 2>&1
if not errorlevel 1 (
    echo [WARN] Port 8800 in use, trying 8801...
    set PORT=8801
    netstat -ano 2>nul | findstr ":8801" | findstr "LISTENING" >nul 2>&1
    if not errorlevel 1 (
        echo [ERROR] Ports 8800 and 8801 are both in use.
        echo         Run manually: python webmain.py --port 8802
        goto :error
    )
)

echo.
echo ============================================================
echo   Console URL : http://127.0.0.1:%PORT%
echo   Press Ctrl+C to stop the server
echo ============================================================
echo.

:: Open browser after 2-second delay (non-blocking)
start /b cmd /c "timeout /t 2 >nul && start http://127.0.0.1:%PORT%"

:: Launch uvicorn (blocking — window stays open while server runs)
python webmain.py --host 127.0.0.1 --port %PORT%

echo.
echo Server stopped.
pause
exit /b 0

:error
echo.
echo ============================================================
echo   Startup failed. See error above.
echo ============================================================
pause
exit /b 1