@echo off
cd /d "%~dp0"

echo ========================================
echo  Building Luncher APK
echo ========================================
echo.

:: Find Gradle from the wrapper dists cache
set "GRADLE_BAT="
for /f "delims=" %%i in ('dir /s /b "%USERPROFILE%\.gradle\wrapper\dists\gradle-8.14*\bin\gradle.bat" 2^>nul') do (
    set "GRADLE_BAT=%%i"
    goto :found_gradle
)
for /f "delims=" %%i in ('dir /s /b "%USERPROFILE%\.gradle\wrapper\dists\gradle-8.14.3*\bin\gradle.bat" 2^>nul') do (
    set "GRADLE_BAT=%%i"
    goto :found_gradle
)
for /f "delims=" %%i in ('dir /s /b "%USERPROFILE%\.gradle\wrapper\dists\gradle-9*\bin\gradle.bat" 2^>nul') do (
    set "GRADLE_BAT=%%i"
    goto :found_gradle
)

:: Also check Android Studio bundled Gradle
if exist "C:\Program Files\Android\Android Studio\plugins\gradle-plugin\lib\gradle-api-9.3.0.jar" (
    echo Found Android Studio with Gradle 9.3.0 plugin.
    echo.
    echo NOTE: Android Studio bundles Gradle as a plugin, not a standalone install.
    echo The build will generate a Gradle wrapper first.
)

:found_gradle

if defined GRADLE_BAT (
    echo [1/4] Found Gradle at: %GRADLE_BAT%
    echo.
) else (
    echo [1/4] Gradle not found in cache. Will generate wrapper from Android Studio...
    echo.
)

:: Generate Gradle wrapper if it doesn't exist
if not exist gradlew.bat (
    echo [2/4] Generating Gradle wrapper...
    if defined GRADLE_BAT (
        "%GRADLE_BAT%" wrapper --gradle-version=8.14
    ) else (
        echo ERROR: No Gradle installation found.
        echo.
        echo Please open this project in Android Studio and let it sync once.
        echo It will generate the Gradle wrapper automatically.
        echo.
        echo Alternatively, install Gradle manually from: https://gradle.org/install/
        pause
        exit /b 1
    )
    if errorlevel 1 (
        echo ERROR: Failed to generate Gradle wrapper.
        pause
        exit /b 1
    )
    echo Gradle wrapper generated successfully.
    echo.
)

echo [3/4] Cleaning old build...
call gradlew.bat clean 2>&1
if errorlevel 1 (
    echo WARNING: Clean step had issues, continuing...
)

echo [4/4] Building release APK...
call gradlew.bat assembleRelease 2>&1
if errorlevel 1 (
    echo.
    echo ERROR: Build failed. Check the output above for details.
    pause
    exit /b 1
)

echo.
echo ========================================
echo  BUILD COMPLETE!
echo ========================================
echo.
echo APK location: app\build\outputs\apk\release\app-release.apk
echo.
pause