@echo off
REM FlatBuffers Compiler Setup Script for Windows
REM This script downloads and sets up the FlatBuffers compiler (flatc.exe) for use with the BA-translator project

echo FlatBuffers Compiler Setup for BA-translator
echo =============================================
echo.

REM Check if flatc.exe already exists
if exist "flatc.exe" (
    echo flatc.exe already exists in current directory.
    echo Checking version...
    flatc.exe --version
    echo.
    choice /C YN /M "Do you want to re-download flatc.exe"
    if errorlevel 2 goto :end
    echo.
)

echo Downloading FlatBuffers compiler...
echo.

REM Create temporary directory
set TEMP_DIR=%TEMP%\flatbuffers_download
if exist "%TEMP_DIR%" rmdir /s /q "%TEMP_DIR%"
mkdir "%TEMP_DIR%"

REM Download the latest FlatBuffers release (adjust URL as needed)
echo Downloading from GitHub releases...
powershell -Command "& {[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; Invoke-WebRequest -Uri 'https://github.com/google/flatbuffers/releases/latest/download/Windows.flatc.binary.zip' -OutFile '%TEMP_DIR%\flatbuffers.zip'}"

if not exist "%TEMP_DIR%\flatbuffers.zip" (
    echo.
    echo ERROR: Failed to download FlatBuffers compiler.
    echo Please download manually from: https://github.com/google/flatbuffers/releases
    echo Extract flatc.exe to the current directory.
    echo.
    pause
    goto :end
)

echo Extracting flatc.exe...
powershell -Command "Expand-Archive -Path '%TEMP_DIR%\flatbuffers.zip' -DestinationPath '%TEMP_DIR%' -Force"

REM Find and copy flatc.exe
for /r "%TEMP_DIR%" %%f in (flatc.exe) do (
    if exist "%%f" (
        copy "%%f" "%~dp0flatc.exe" >nul
        echo flatc.exe copied to current directory.
        goto :found
    )
)

echo ERROR: flatc.exe not found in downloaded archive.
echo Please download manually and place flatc.exe in the current directory.
pause
goto :cleanup

:found
echo.
echo Testing flatc.exe...
flatc.exe --version
if errorlevel 1 (
    echo ERROR: flatc.exe is not working properly.
    pause
    goto :cleanup
)

echo.
echo SUCCESS: FlatBuffers compiler is ready!
echo.
echo You can now use the following commands:
echo   python generate_flatbuffer_folders.py --auto
echo   python generate_flatbuffer_folders.py schema.fbs
echo.

:cleanup
REM Clean up temporary files
if exist "%TEMP_DIR%" rmdir /s /q "%TEMP_DIR%"

:end
echo Setup complete.
pause