Setup.bat

@echo off
setlocal enabledelayedexpansion
title MUG - setup
cd /d "%~dp0"

echo.
echo    MUG // recoder
echo    Preparing MUG for this computer.
echo    -------------------------------------------------------
echo.

REM 1. Find Python, installing it first if this machine has none
set "PYEXE="

py -3 -c "import sys;raise SystemExit(0 if sys.version_info>=(3,9) else 1)" >nul 2>&1
if not errorlevel 1 (
    for /f "delims=" %%P in ('py -3 -c "import sys;print(sys.executable)" 2^>nul') do set "PYEXE=%%P"
)

if not defined PYEXE (
    python -c "import sys;raise SystemExit(0 if sys.version_info>=(3,9) else 1)" >nul 2>&1
    if not errorlevel 1 (
        for /f "delims=" %%P in ('python -c "import sys;print(sys.executable)" 2^>nul') do set "PYEXE=%%P"
    )
)

if defined PYEXE (
    echo !PYEXE! | find /i "WindowsApps" >nul && set "PYEXE="
)

if not defined PYEXE (
    echo    [1/4] Python was not found. Installing it now...
    where winget >nul 2>&1
    if errorlevel 1 (
        echo.
        echo    The Windows Package Manager is missing.
        echo    Install "App Installer" from the Microsoft Store, then run this again.
        echo.
        pause
        exit /b 1
    )
    winget install -e --id Python.Python.3.12 --scope user --accept-source-agreements --accept-package-agreements
    echo.
    echo    Looking for the new installation...
    for /d %%D in ("%LOCALAPPDATA%\Programs\Python\Python3*") do (
        if exist "%%D\python.exe" set "PYEXE=%%D\python.exe"
    )
    if not defined PYEXE (
        if exist "%LOCALAPPDATA%\Microsoft\WinGet\Links\python.exe" set "PYEXE=%LOCALAPPDATA%\Microsoft\WinGet\Links\python.exe"
    )
    if not defined PYEXE (
        echo.
        echo    Python was installed but this window cannot see it yet.
        echo    Close this window, open the folder again, and run Setup once more.
        echo.
        pause
        exit /b 1
    )
) else (
    echo    [1/4] Python found.
)

echo          !PYEXE!
echo.

REM 2. Make sure ffmpeg is present
set "HAVEFF="
where ffmpeg >nul 2>&1 && set "HAVEFF=1"
if exist "%LOCALAPPDATA%\Microsoft\WinGet\Links\ffmpeg.exe" set "HAVEFF=1"

if not defined HAVEFF (
    echo    [2/4] ffmpeg was not found. Installing it now...
    winget install -e --id Gyan.FFmpeg --accept-source-agreements --accept-package-agreements
) else (
    echo    [2/4] ffmpeg found.
)
echo.

REM 3. Create MUG's private Python environment
echo    [3/4] Preparing the application environment...
if not exist "%~dp0runtime\Scripts\python.exe" (
    "!PYEXE!" -m venv "%~dp0runtime"
    if errorlevel 1 (
        echo.
        echo    Could not create the application environment.
        pause
        exit /b 1
    )
)
"%~dp0runtime\Scripts\python.exe" -m pip install --upgrade pip --quiet
"%~dp0runtime\Scripts\python.exe" -m pip install PySide6 --quiet
if errorlevel 1 (
    echo.
    echo    Could not download the interface library. Check the internet connection
    echo    and run this file again.
    pause
    exit /b 1
)
echo          done.
echo.

REM 4. Launcher and desktop shortcut
echo    [4/4] Creating the launcher and a desktop shortcut...

> "%~dp0MUG.bat" echo @echo off
>>"%~dp0MUG.bat" echo start "" "%%~dp0runtime\Scripts\pythonw.exe" "%%~dp0MUG.py"

> "%TEMP%\mug_shortcut.ps1" echo $desktop = [Environment]::GetFolderPath('Desktop')
>>"%TEMP%\mug_shortcut.ps1" echo $shell = New-Object -ComObject WScript.Shell
>>"%TEMP%\mug_shortcut.ps1" echo $link = $shell.CreateShortcut((Join-Path $desktop 'MUG.lnk'))
>>"%TEMP%\mug_shortcut.ps1" echo $link.TargetPath = '%~dp0runtime\Scripts\pythonw.exe'
>>"%TEMP%\mug_shortcut.ps1" echo $link.Arguments = '"%~dp0MUG.py"'
>>"%TEMP%\mug_shortcut.ps1" echo $link.WorkingDirectory = '%~dp0'
>>"%TEMP%\mug_shortcut.ps1" echo $link.Description = 'MUG // recoder - video codec converter'
>>"%TEMP%\mug_shortcut.ps1" echo $link.IconLocation = '%~dp0runtime\Scripts\pythonw.exe,0'
>>"%TEMP%\mug_shortcut.ps1" echo $link.Save()
powershell -NoProfile -ExecutionPolicy Bypass -File "%TEMP%\mug_shortcut.ps1" >nul 2>&1
del "%TEMP%\mug_shortcut.ps1" >nul 2>&1
echo          done.

echo.
echo    -------------------------------------------------------
echo    Ready. There is now a MUG shortcut on your desktop.
echo    You can also start it with MUG.bat in this folder.
echo    -------------------------------------------------------
echo.
pause