#!/bin/bash

# 2022 R. Branten
# Updated 2024
# ----
# custom control shortcut file
# start spotify in the brave browser and make it the first tab
# ----
# https://specifications.freedesktop.org/mpris-spec/latest/Player_Interface.html

# check if spotify is active on the dbus
BUS=$(dbus-send --print-reply --dest=org.freedesktop.DBus  /org/freedesktop/DBus org.freedesktop.DBus.ListNames | grep -i spotify | sed -r 's/ |string|[\"]//g')
CONTROL="spotify"
if [ -z "${BUS}" ]; then
    # spotify not active, check brave browser
    BUS=$(dbus-send --print-reply --dest=org.freedesktop.DBus  /org/freedesktop/DBus org.freedesktop.DBus.ListNames | grep -i brave | sed -r 's/ |string|[\"]//g')
    CONTROL="brave"
fi

if [ -z "${BUS}" ]; then
    # spotify not active, check clementine
    BUS=$(dbus-send --print-reply --dest=org.freedesktop.DBus  /org/freedesktop/DBus org.freedesktop.DBus.ListNames | grep -i clementine | sed -r 's/ |string|[\"]//g')
    CONTROL="brave"
fi

if [ -z "${BUS}" ]; then
    # nothing to control
    notify-send "Nothing to control"
    exit
fi

# extract and set argument
case $1 in
    pause)
        # for example space was pressed
        dbus-send --print-reply --dest=$BUS /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.PlayPause
        SENDNOTIFICATION=true
        ;;
    next)
        # for example alt+Right was pressed
        dbus-send --print-reply --dest=$BUS /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.Next
        SENDNOTIFICATION=true
        ;;
    previous)
        # for example alt+Left was pressed
        SENDNOTIFICATION=true
        dbus-send --print-reply --dest=$BUS /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.Previous
        ;;
    shuffle)
        # for example alt+s was pressed
        if [[ "$CONTROL" == "spotify" ]]; then
            notify-send "Shuffle on/off"
            SENDNOTIFICATION=false
            # not clear if shuffle is implemented yet, TESTED AS NOT WORKING
            dbus-send --print-reply --dest=$BUS /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.Shuffle
        else 
            notify-send "Shuffle not implemented"
            exit
        fi
        ;;
    *)
        exit
        ;;
esac

# status can be: Playing, Paused or Stopped
status=`dbus-send --print-reply --dest=$BUS /org/mpris/MediaPlayer2 org.freedesktop.DBus.Properties.Get string:'org.mpris.MediaPlayer2.Player' string:'PlaybackStatus'|egrep -A 1 "string"|cut -b 26-|cut -d '"' -f 1|egrep -v ^$`
artist=`dbus-send --print-reply --dest=$BUS /org/mpris/MediaPlayer2 org.freedesktop.DBus.Properties.Get string:'org.mpris.MediaPlayer2.Player' string:'Metadata'|egrep -A 2 "artist"|egrep -v "artist"|egrep -v "array"|cut -b 27-|cut -d '"' -f 1|egrep -v ^$`
album=`dbus-send --print-reply --dest=$BUS /org/mpris/MediaPlayer2 org.freedesktop.DBus.Properties.Get string:'org.mpris.MediaPlayer2.Player' string:'Metadata'|egrep -A 1 "album"|egrep -v "album"|cut -b 44-|cut -d '"' -f 1|egrep -v ^$`
title=`dbus-send --print-reply --dest=$BUS /org/mpris/MediaPlayer2 org.freedesktop.DBus.Properties.Get string:'org.mpris.MediaPlayer2.Player' string:'Metadata'|egrep -A 1 "title"|egrep -v "title"|cut -b 44-|cut -d '"' -f 1|egrep -v ^$`
notify-send Media: "${status}\n${artist}  -  ${title}"

exit