@echo off
set "DEST_DIR=%~dp0"
set "ZIP_FILE=%~dp0ppsspp_dev_temp.zip"

echo ===================================================
echo         PPSSPP JSON-BASED DEV AUTO-UPDATER         
echo ===================================================
echo.

:: 1. Fetch the latest version string from the JSON first
for /f "delims=" %%A in ('powershell -NoProfile -ExecutionPolicy Bypass -Command "$json = Invoke-RestMethod -Uri 'https://builds.ppsspp.org/meta/history-20.json'; if ($json[0]) { write-output $json[0].description }"') do set "LATEST_VERSION=%%A"

if "%LATEST_VERSION%"=="" (
    echo Error: Could not fetch version metadata from JSON feed.
    goto LAUNCH
)

echo Latest available build: %LATEST_VERSION%

:: 2. Check your local EXE property directly for the product version
if exist "%DEST_DIR%PPSSPPWindows64.exe" (
    for /f "delims=" %%B in ('powershell -NoProfile -ExecutionPolicy Bypass -Command "(Get-Item '%DEST_DIR%PPSSPPWindows64.exe').VersionInfo.ProductVersion"') do set "LOCAL_VERSION=%%B"
) else (
    set "LOCAL_VERSION=None"
)

echo Your current build:     %LOCAL_VERSION%
echo.

:: 3. Jump straight to launching if already up to date
if "%LATEST_VERSION%"=="%LOCAL_VERSION%" (
    echo [!] You are currently up to date.
    goto LAUNCH
) else (
    echo [*] A different version is available.
)

set /p "CHOICE=Do you want to run the update now? (Y/N): "
echo.

if /i "%CHOICE%"=="Y" (
    goto UPDATE
) else (
    goto LAUNCH
)

:UPDATE
echo [1/4] Closing running instances of PPSSPP...
taskkill /f /im PPSSPPWindows64.exe 2>nul
taskkill /f /im PPSSPPWindows.exe 2>nul

echo [2/4] Executing download and extraction...
powershell -NoProfile -ExecutionPolicy Bypass -Command "$json = Invoke-RestMethod -Uri 'https://builds.ppsspp.org/meta/history-20.json'; $latest = $json[0]; $folder = $latest.description; $fileName = $latest.builds.Windows[0]; $url = 'https://builds.ppsspp.org/builds/' + $folder + '/' + $fileName; Write-Host '[3/4] Downloading package...'; Invoke-WebRequest -Uri $url -OutFile '%ZIP_FILE%'; Write-Host '[4/4] Extracting core components...'; Expand-Archive -Path '%ZIP_FILE%' -DestinationPath '%DEST_DIR%' -Force; Write-Host 'Success! PPSSPP updated.' -ForegroundColor Green;"

echo.
echo [5/5] Cleaning up temporary download...
timeout /t 2 /nobreak >nul
if exist "%ZIP_FILE%" del /f /q "%ZIP_FILE%"

:LAUNCH
echo.
echo Launching PPSSPP...
if exist "%DEST_DIR%PPSSPPWindows64.exe" (
    start "" "%DEST_DIR%PPSSPPWindows64.exe"
) else (
    echo Error: PPSSPPWindows64.exe not found in this directory.
    echo ===================================================
    pause
    exit
)

echo ===================================================
timeout /t 1 >nul
exit