@echo off
setlocal EnableDelayedExpansion

:: --- Configuration ---
set "directory=_converted"
set "output_format=mp3"
set "ffmpeg_options="

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

echo Starting conversion to .%output_format% in: %CD%
if defined ffmpeg_options echo Extra options: %ffmpeg_options%

:: Loop through all files in the current directory
for %%F in (*) do (
    :: Skip if it's a directory (Batch 'for (*)' usually gets files, but safe check)
    if exist "%%F\" goto :continue

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

    :: Skip files already in the target format (e.g., .mp3)
    if /i "%%~xF"==".%output_format%" goto :continue

    :: Construct output filename: %%~nF is name without extension
    set "output_file=%%~nF.%output_format%"

    echo Converting: %%F → !output_file!

    :: Convert file
    :: Note: In batch, variables inside the loop need ! ! if delayed expansion is on
    ffmpeg -loglevel quiet -i "%%F" %ffmpeg_options% "%directory%\!output_file!"
    
    if %errorlevel% equ 0 (
        echo Done: !output_file!
    ) else (
        echo Error: Failed to convert %%F
    )

    :continue
)

echo All done.
pause