#!/bin/sh

filter() {
	sed "/^volume:/d" | tac | sed -e "s/\\&/&amp;/g;s/\\[paused\\].*/<span color=\"gray\" font_style=\"italic\">/g;s/\\[playing\\].*/<span>/g" | tr -d '\n' |sed -e "s/$/<\/span>\n/g"
}
player=""

[ -z $BLOCK_INSTANCE ] || player="--player=$BLOCK_INSTANCE"

case $BLOCK_INSTANCE in
	"mpd") playprog="$TERMINAL -e ncmpcpp" ;;
	"spotify") playprog="$TERMINAL -e spt" ;;
	"cmus") playprog="$TERMINAL -e cmus" ;;
	"vlc" ) playprog="vlc" ;;
	*) playprog="" ;;
esac

if [ "$BLOCK_INSTANCE" == "mpd" ]; then
	status() { mpc status | filter ;}
	toggle() { mpc toggle | filter ;}
	next() { mpc next     | filter ;}
	prev() { mpc prev     | filter ;}
else
	status() {
		playerctl metadata $player -f '{{artist}} - {{title}}
[{{lc(status)}}]' | filter
	}

	toggle() {
		playerctl play-pause $player
		status
	}

	next() {
		playerctl next $player
		status
	}
	prev() {
		playerctl previous $player
		status
	}
fi

case $BLOCK_BUTTON in
	1) status && setsid $playprog & ;;
	2) toggle ;;
	3) status && notify-send "🎵 Music module" "\- Shows playing song.
- Italic when paused.
- Left click opens player.
- Middle click pauses.
- Scroll changes tracks.:" ;;
	4) prev ;;
	5) next ;;
	*) status ;;
esac; exit