#!/bin/sh
filter() {
  if mpc 1>/dev/null 2>&1 && [ "$(mpc | wc -l)" -eq 3 ]; then
    song=$(mpc current -f "%artist% - %title%" | xargs -0 )
    [ ${#song} -gt 35 ] && song="$(printf %.35s "$song")…"
    mpc | awk 'NR==2' | grep -q playing && icon="" || icon=""
    echo "$icon $song"
  elif mpc 1>/dev/null 2>&1 && [ "$(mpc | wc -l)" -eq 1 ]; then
    echo "ﱙ"
  else
    exit 1
  fi
}

pidof -x sb-mpdup >/dev/null 2>&1 || sb-mpdup >/dev/null 2>&1 &

case $BLOCK_BUTTON in
	1) mpc status | filter ; setsid -f "$TERMINAL" -e ncmpcpp ;;  # right click, pause/unpause
	2) mpc toggle | filter ;;  # right click, pause/unpause
	3) mpc status | filter ; notify-send " Music module" "\- Shows mpd song playing.
- ⏸ when paused.
- Left click opens ncmpcpp.
- Middle click pauses.
- Scroll changes track.";;  # right click, pause/unpause
	4) mpc prev   | filter ;;  # scroll up, previous
	5) mpc next   | filter ;;  # scroll down, next
	6) mpc status | filter ; "$TERMINAL" -e "$EDITOR" "$0" ;;
	*) mpc status | filter ;;
esac