#!/bin/sh

batch_file="${XDG_MUSIC_DIR:-${HOME}/Music}/.music.txt"
backup="/tmp/music_backup.txt"
[ -f "$batch_file" ] || exit 1
echo "Backing up music files..."
[ -f "$backup" ] && rm -f "$backup" >/dev/null 2>&1
while read -r line; do
  video_id="${line#* }"
  echo "https://www.youtube.com/watch?v=$video_id" >>"$backup"
done <"$batch_file"
yt-dlp --continue --embed-metadata --ignore-errors --no-force-overwrites --verbose --audio-format best --audio-quality 0 --batch-file "$backup" --extract-audio --recode-video mp3 --output "${XDG_MUSIC_DIR:-${HOME}/Music}/%(artist)s - %(title)s.%(ext)s" >/dev/null 2>&1
rm -f "$backup" >/dev/null 2>&1
echo "Done!"