@echo off
echo ========================================
echo  RFCP GPU Build — Pre-flight Check
echo ========================================
echo.

echo [1] Python version:
python --version

echo.
echo [2] CuPy status:
python -c "import cupy; print(f'  CuPy {cupy.__version__}')"
python -c "import cupy; d=cupy.cuda.Device(0); print(f'  Device: {d.id}'); print(f'  Memory: {d.mem_info[1]//1024//1024} MB')"

echo.
echo [3] CUDA runtime version:
python -c "import cupy; v=cupy.cuda.runtime.runtimeGetVersion(); print(f'  CUDA Runtime: {v}')"

echo.
echo [4] CUDA_PATH environment:
if defined CUDA_PATH (
    echo   CUDA_PATH = %CUDA_PATH%
) else (
    echo   WARNING: CUDA_PATH not set!
    echo.
    echo   Checking common locations...
    if exist "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA" (
        for /d %%i in ("C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v*") do (
            echo   Found: %%i
            echo.
            echo   To fix, run:
            echo     setx CUDA_PATH "%%i"
            echo   Then restart terminal.
        )
    ) else (
        echo   No CUDA Toolkit found in default location.
        echo   CuPy bundles its own CUDA runtime, so this may be OK.
        echo   But PyInstaller build might need it.
    )
)

echo.
echo [5] nvidia-smi:
nvidia-smi --query-gpu=name,driver_version,memory.total --format=csv,noheader 2>nul
if errorlevel 1 echo   nvidia-smi not found in PATH

echo.
echo [6] CuPy CUDA libs location:
python -c "import cupy; import os; print(f'  {os.path.dirname(cupy.__file__)}')"
python -c "import cupy._core.core" 2>nul && echo   cupy._core.core: OK || echo   cupy._core.core: FAILED

echo.
echo [7] fastrlock:
python -c "import fastrlock; print(f'  fastrlock {fastrlock.__version__}')"

echo.
echo [8] PyInstaller:
python -c "import PyInstaller; print(f'  PyInstaller {PyInstaller.__version__}')" 2>nul || echo   PyInstaller NOT installed! Run: pip install pyinstaller

echo.
echo ========================================
echo  Pre-flight complete
echo ========================================
pause