@echo off
echo ========================================
echo  RFCP GPU Build — ONEDIR mode
echo  CuPy-cuda13x + CUDA Toolkit 13.x
echo ========================================
echo.

REM ── Check CuPy ──
echo [1/5] Checking CuPy installation...
python -c "import cupy; print(f'  CuPy {cupy.__version__}')" 2>nul
if errorlevel 1 (
    echo ERROR: CuPy not installed.
    echo   Run: pip install cupy-cuda13x
    exit /b 1
)

REM ── Check CUDA compute ──
echo [2/5] Testing GPU compute...
python -c "import cupy; a = cupy.array([1,2,3]); assert a.sum() == 6; print('  GPU compute: OK')" 2>nul
if errorlevel 1 (
    echo ERROR: CuPy installed but GPU compute failed.
    echo   Check: CUDA Toolkit installed? nvidia-smi works?
    exit /b 1
)

REM ── Check CUDA_PATH ──
echo [3/5] Checking CUDA Toolkit...
if defined CUDA_PATH (
    echo   CUDA_PATH: %CUDA_PATH%
) else (
    echo   WARNING: CUDA_PATH not set
)

REM ── Check nvidia pip DLLs ──
echo [4/5] Checking nvidia pip packages...
python -c "import nvidia; import os; base=os.path.dirname(nvidia.__file__); dlls=[f for d in os.listdir(base) if os.path.isdir(os.path.join(base,d,'bin')) for f in os.listdir(os.path.join(base,d,'bin')) if f.endswith('.dll')]; print(f'  nvidia pip DLLs: {len(dlls)}')" 2>nul
if errorlevel 1 (
    echo   No nvidia pip packages (will use CUDA Toolkit)
)

REM ── Build ──
echo.
echo [5/5] Building rfcp-server (ONEDIR mode)...
echo   This may take 3-5 minutes...
echo.

cd /d "%~dp0\..\backend"
pyinstaller "..\installer\rfcp-server-gpu.spec" --clean --noconfirm

echo.
echo ========================================
if exist "dist\rfcp-server\rfcp-server.exe" (
    echo  BUILD COMPLETE! (ONEDIR mode)
    echo.
    echo  Output: backend\dist\rfcp-server\
    dir /b dist\rfcp-server\*.exe dist\rfcp-server\*.dll 2>nul | find /c /v "" > nul
    echo.
    echo  Test commands:
    echo    cd dist\rfcp-server
    echo    rfcp-server.exe
    echo    curl http://localhost:8090/api/health
    echo    curl http://localhost:8090/api/gpu/status
    echo ========================================
) else (
    echo  BUILD FAILED — check errors above
    echo ========================================
    exit /b 1
)

pause