#!/bin/bash

DIR="$HOME/audio/playlists"

cd "$DIR" || exit

# phone -> desktop
for playlist_path in "$DIR"/phone-export/*; do
	playlist="$(basename "$playlist_path")"
	# normalize filenames to <playlist name>.m3u
	tmp="$(echo $playlist | sed 's/.m3u8$//g' | sed 's/.m3u$//g').m3u"
	mv "phone-export/$playlist" "phone-export/$tmp" > /dev/null 2>&1
	# \r\n -> \n
	sed -i 's/\r$//g' "phone-export/$tmp"
done
# actual import
for playlist_path in "$DIR"/phone-export/*; do
	playlist="$(basename "$playlist_path")"
	# -nt is a bashism
	if [ "$DIR/phone-export/$playlist" -nt "$DIR/$playlist" ]; then
		echo "Importing $playlist"
		sed -e 's/^primary\/Music\/library\///g' \
			-e '/-FLAC\//s/opus$/flac/g' -e '/-MP3\//s/opus$/mp3/g' -e '/-WAVE\//s/opus$/wav/g'\
			-e '/^#/d' \
			"$DIR/phone-export/$playlist" > "$DIR/$playlist"
		git add "$DIR/$playlist" > /dev/null 2>&1
		git commit -m "Updated $playlist" > /dev/null 2>&1
	fi
done