@echo off
setlocal EnableDelayedExpansion

:: --- Configuration ---
set "directory=_cleaned"
set "ffmpeg_options="

:: Create the target directory
if not exist "%directory%" mkdir "%directory%"

echo Starting metadata removal in: %CD%

:: Loop through all files in the current directory
for %%F in (*) do (
    :: Skip if it's a directory
    if exist "%%F\" goto :continue

    :: Skip the script itself (clean_metadata.bat)
    if /i "%%F"=="%~nx0" goto :continue

    :: Skip files that already have "_clean" suffix
    :: We check if the name (%%~nF) ends with "_clean"
    set "fname=%%~nF"
    if "!fname:~-6!"=="_clean" goto :continue

    :: Construct output filename: name_clean.extension
    set "output_file=%%~nF_clean%%~xF"

    echo Cleaning: %%F → !output_file!

    :: Remove metadata: -map_metadata -1 removes all, -c copy avoids re-encoding
    ffmpeg -loglevel quiet -i "%%F" -map_metadata -1 -c copy %ffmpeg_options% "%directory%\!output_file!"

    if %errorlevel% equ 0 (
        echo Done: !output_file!
    ) else (
        echo Error: Failed to clean %%F
    )

    :continue
)

echo All done.
pause