#!/bin/sh
# music module for status/stellar

# load config
module_config
[ -e "$HOME/.config/dwm/statusrc" ] && . $HOME/.config/dwm/statusrc
[ "$ENABLE_ITEM9" = "true" ] || exit
[ -e "/tmp/module_music_hidden" ] && exit

# get information, the following functions depend on this
GETPROP() {
    # get backend from the two available options, please pr for more ;)
    [ "$ITEM9_BACKEND" = "auto" ] && pgrep -x cmus > /dev/null && ITEM9_BACKEND=cmus || pgrep -x mocp > /dev/null && ITEM9_BACKEND=mocp
    [ "$ITEM9_BACKEND" = "cmus" ] && command -v cmus > /dev/null || ITEM9_BACKEND=mocp
    [ "$ITEM9_BACKEND" = "mocp" ] && command -v mocp > /dev/null || ITEM9_BACKEND=cmus
    [ -z "$ITEM9_BACKEND" ] && exit
    pgrep -x "$ITEM9_BACKEND" > /dev/null || exit

    # for cmus
    CMUS() {
		    MUSIC_FILENAME="$(basename "$(cmus-remote -C status | grep file)")"
		    MUSIC_FILENAME_CUT="$(basename "$(cmus-remote -C status | grep file)"| sed 's|\(.*\)[.].*|\1|')"
		    MUSIC_FILEDIR="$(dirname "$(cmus-remote -C status | grep file | sed 's/file //g')")"
            MUSIC_ARTIST="$(cmus-remote -C status | grep "tag artist" | sed "s|\&|stellar_amp|g; s/tag artist //g")"
      		MUSIC_TITLE="$(cmus-remote -C status | grep "tag title" | sed "s|\&|stellar_amp|g; s/tag title //g")"
     		MUSIC_ALBUM="$(cmus-remote -C status | grep "tag album " | head -n 1 | sed "s|\&|stellar_amp|g; s/tag album //g")"
		    MUSIC_GENRE="$(cmus-remote -C status | grep "tag genre" | sed "s/tag genre //g")"
		    MUSIC_TIMEELAPSED="$(cmus-remote -Q | grep position | sed "s/position //g" | awk '{printf "%02d:%02d:%02d",$0/3600,$0%3600/60,$0%60}' | sed "s/00://")"
		    MUSIC_TIMETOTAL="$(cmus-remote -Q | grep duration | sed "s/duration //g" | awk '{printf "%02d:%02d:%02d",$0/3600,$0%3600/60,$0%60}' | sed "s/00://")"
		    MUSIC_REPEAT="$(cmus-remote -C status | grep 'repeat ' | sed "s/true/Yes/; s/false/No/; s/set repeat //")"
		    MUSIC_SHUFFLE="$(cmus-remote -C status | grep 'shuffle' | sed "s/on/Yes/; s/off/No/; s/set shuffle //")"

            # for notification
            FULL_MUSIC="$(printf "${ICON}${ICONSPACING}Artist: $MUSIC_ARTIST\nTitle: $MUSIC_TITLE\nAlbum: $MUSIC_ALBUM\nGenre: $MUSIC_GENRE\nTime elapsed: $MUSIC_TIMEELAPSED\nTotal time: $MUSIC_TIMETOTAL\nFile: $MUSIC_FILENAME\nDirectory: $MUSIC_FILEDIR\nPath: $MUSIC_FILEDIR/$MUSIC_FILENAME\nRepeat: $MUSIC_REPEAT\nShuffle: $MUSIC_SHUFFLE" | sed "s/stellar_amp/\&/g")"
    }

    # for mocp
    MOCP() {
		    MUSIC_FILENAME="$(basename "$(mocp -Q %file)")"
		    MUSIC_FILENAME_CUT="$(basename "$(mocp -Q %file)" | sed 's|\(.*\)[.].*|\1|')"
		    MUSIC_FILEDIR="$(dirname "$(mocp -Q %file)")"
   			MUSIC_ARTIST="$(mocp -Q %artist | sed "s|\&|stellar_amp|g")"
     		MUSIC_TITLE="$(mocp -Q %song | sed "s|\&|stellar_amp|g")"
      		MUSIC_ALBUM="$(mocp -Q %album | sed "s|\&|stellar_amp|g")"
		    MUSIC_TIMEELAPSED="$(mocp -Q %ct)"
		    MUSIC_TIMETOTAL="$(mocp -Q %tt)"
		    # todo: genre

            # for notification
            FULL_MUSIC="$(printf "${ICON}${ICONSPACING}Artist: $MUSIC_ARTIST\nTitle: $MUSIC_TITLE\nAlbum: $MUSIC_ALBUM\nTime elapsed: $MUSIC_TIMEELAPSED\nTotal time: $MUSIC_TIMETOTAL\nFile: $MUSIC_FILENAME\nDirectory: $MUSIC_FILEDIR\nPath: $MUSIC_FILEDIR/$MUSIC_FILENAME" | sed "s/stellar_amp/\&/g")"
    }

    [ "$ITEM9_BACKEND" = "cmus" ] && CMUS || MOCP
}

GETPROP

CLICK() {
		# values
		ICON="$ITEM9_ICON"
		BUTTON="$(cat /tmp/dwm-button)"

        [ -z "$TERMINAL" ] && TERMINAL=st
        [ -n "$ICON" ] && ICONSPACING=" " # one character spacing

		# button
		case "$BUTTON" in
		"3") $TERMINAL -e $ITEM9_BACKEND ; exit ;;
		esac

		# send the notification
		SEND_NOTIF() {
				notify-send "$FULL_MUSIC"

                # some information
				echo "Notification sent successfully!"
				echo "INFO: $FULL_MUSIC"

				return
		}

		command -v notify-send > /dev/null && SEND_NOTIF || echo "FATAL: libnotify not installed, can't send notification."
        return
}

# information itself
PRINT() {
  # define mocp data
  define_mocp_data() {
      # filename
      [ "$(mocp -Q %file | head -n 1)" != "" ] && [ "$ITEM9_DISPLAY_FILE" = "true" ] && echo "$MUSIC_FILENAME_CUT" && return

      # put data together
  	  data="$(printf "%s$ITEM9_FORMAT" | sed "s|@ab|$MUSIC_ALBUM|; s|@t|$MUSIC_TITLE|; s|@g||; s|@a|$MUSIC_ARTIST|; s|@tt|$MUSIC_TIMETOTAL|; s|@te|$MUSIC_TIMEELAPSED|; s|  ||g; s|stellar_amp|\&|g")" || return
  }

  # define cmus data
  define_cmus_data() {
    # filename
	[ "$(cmus-remote -C status | head -n 1 | awk '{ print $2 }')" = "playing" ] && [ "$ITEM9_DISPLAY_FILE" = "true" ] && echo "$MUSIC_FILENAME_CUT" && return

    [ "$(cmus-remote -Q | grep status | awk '{ print $2 }')" = "stopped" ] && return

    # put data together
	data="$(printf "%s$ITEM9_FORMAT" | sed "s|@ab|$MUSIC_ALBUM|; s|@t|$MUSIC_TITLE|; s|@g|$MUSIC_GENRE|; s|@a|$MUSIC_ARTIST|; s|@tt|$MUSIC_TIMETOTAL|; s|@te|$MUSIC_TIMEELAPSED|; s|  ||g; s|() ||g; s|stellar_amp|\&|g")"
  }

  [ "$ITEM9_BACKEND" = "cmus" ] && define_cmus_data || define_mocp_data

  [ -z "$data" ] || echo "$ITEM9_SEPARATOR $ITEM9_ICON $data"
}

# argument 1
case "$1" in
"") CLICK ;;
"--print-file") PRINT > /tmp/module_music ;;
"--print") PRINT ;;
"--click") CLICK ;;
esac