@echo off
setlocal enabledelayedexpansion

echo.
echo ================================================================================
echo  Commonwealth Online - Qt GUI Build Script (with Qt6 Auto-Detection)
echo ================================================================================
echo.

REM Check if CMake is installed
cmake --version >nul 2>&1
if errorlevel 1 (
    echo ERROR: CMake is not installed or not in PATH.
    echo Please install CMake from https://cmake.org/download/
    echo Then add it to your PATH and restart this script.
    pause
    exit /b 1
)

REM Auto-detect Qt6 installation
echo Searching for Qt6 installation...
set QT6_PATH=

REM Common Qt6 installation paths (check in order)
set PATHS_TO_CHECK[0]=C:\Qt\6.11.1\msvc2022_64
set PATHS_TO_CHECK[1]=C:\Qt\6.10.2\msvc2022_64
set PATHS_TO_CHECK[2]=C:\Qt\6.8.0\msvc2022_64
set PATHS_TO_CHECK[3]=C:\Qt\6.7.0\msvc2022_64
set PATHS_TO_CHECK[4]=C:\Qt\6.6.0\msvc2022_64
set PATHS_TO_CHECK[5]=C:\Qt\6.5.0\msvc2022_64
set PATHS_TO_CHECK[6]=C:\Qt\6.4.0\msvc2022_64

for /l %%i in (0,1,7) do (
    if exist "!PATHS_TO_CHECK[%%i]!\lib\cmake\Qt6" (
        set QT6_PATH=!PATHS_TO_CHECK[%%i]!
        echo Found Qt6 at: !QT6_PATH!
        goto found_qt6
    )
)

:found_qt6
if "!QT6_PATH!"=="" (
    echo.
    echo ERROR: Qt6 not found at common installation paths.
    echo.
    echo Please install Qt6 from https://www.qt.io/download-open-source
    echo.
    echo Common installation paths:
    echo   - C:\Qt\6.8.0\msvc2022_64
    echo   - C:\Qt\6.7.0\msvc2022_64
    echo   - C:\Qt\6.6.0\msvc2022_64
    echo.
    echo Alternatively, manually set Qt6 path by editing this script
    echo or run CMake manually with:
    echo   cmake .. -G "Visual Studio 17 2022" -DCMAKE_PREFIX_PATH="C:\path\to\Qt6"
    echo.
    pause
    exit /b 1
)

REM Create build directory
if not exist "build" (
    echo.
    echo Creating build directory...
    mkdir build
)

cd build

echo.
echo Configuring project with CMake...
echo   CMake: %CMAKE_PREFIX_PATH%
echo   Qt6:   !QT6_PATH!
echo   VS:    Visual Studio 17 2022
echo.

cmake .. -G "Visual Studio 17 2022" -DCMAKE_PREFIX_PATH="!QT6_PATH!"

if errorlevel 1 (
    echo.
    echo ERROR: CMake configuration failed.
    echo.
    echo Troubleshooting:
    echo   1. Verify Qt6 is installed at: !QT6_PATH!
    echo   2. Verify Visual Studio 2022 is installed with C++ tools
    echo   3. Try running this script again
    echo.
    echo Manual configuration command:
    echo   cmake .. -G "Visual Studio 17 2022" -DCMAKE_PREFIX_PATH="!QT6_PATH!"
    echo.
    pause
    exit /b 1
)

echo.
echo Configuration successful!
echo.
echo Building project (this may take a few minutes)...
echo.

cmake --build . --config Release

if errorlevel 1 (
    echo.
    echo ERROR: Build failed.
    echo.
    echo Troubleshooting:
    echo   1. Check that Visual Studio 2022 is installed
    echo   2. Make sure C++ development tools are installed
    echo   3. Try building again
    echo.
    pause
    exit /b 1
)

echo.
echo ================================================================================
echo  Build successful!
echo ================================================================================
echo.
echo Executable created at:
echo   %cd%\bin\Release\CommonwealthOnlineHost.exe
echo.
echo To run the application:
echo   cd ..
echo   start build\bin\Release\CommonwealthOnlineHost.exe
echo.
pause