# Copyright (C) 2022, ThanosApollo
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.

import dbus
import dbus_next
import subprocess
from functools import partial
from libqtile.widget import base


class Spotify(base.ThreadPoolText):
    """A simple Spotify widget.
    Show the song and artist of now listening song and allow basic mouse
    control from the bar using spotify-control:
    - toggle pause (or play if stopped) on left click;
    - skip forward in playlist on scroll up;
    - skip backward in playlist on scroll down.
    """

    defaults = [
        ("play_color", "00ff00", "Text colour when playing."),
        ("noplay_color", "cecece", "Text colour when not playing."),
        ("update_interval", 0.5, "Update Time in seconds."),
    ]

    def __init__(self, **config):
        base.ThreadPoolText.__init__(self, "", **config)
        self.add_defaults(Spotify.defaults)
        self.status = "PLAY"
        self.local = None
        self.add_callbacks(
            {
                "Button1": partial(subprocess.Popen, ["spotify-control", "play-pause"]),
                "Button2": partial(subprocess.Popen, ["spotify-control", "previous"]),
                "Button3": partial(subprocess.Popen, ["spotify-control", "next"]),
            }
        )

    def now_playing(self):
        """Return current song"""
        session_bus = dbus.SessionBus()
        bus_data = ("org.mpris.MediaPlayer2.spotify", "/org/mpris/MediaPlayer2")
        spotify_bus = session_bus.get_object(*bus_data)
        interface = dbus.Interface(spotify_bus, "org.freedesktop.DBus.Properties")
        metadata = interface.Get("org.mpris.MediaPlayer2.Player", "Metadata")
        data = {
            "artist" : next(iter(metadata.get("xesam:albumArtist"))),
            "song" : metadata.get("xesam:title")
        }
        song = data["song"] + " | " + data["artist"]
        self.layout.colour = self.play_color
        return song

    def poll(self):
        """Poll content for the text box."""
        return self.now_playing()