import vlc

class Player:
    def __init__(self):
        self._player = vlc.MediaPlayer()

    def play(self):
        self._player.play()

    def stop(self):
        self._player.stop()

    def pause(self):
        self._player.pause()

    def isPlaying(self):
        playing = self._player.is_playing() == 1
        return playing

    def setPlaybackRate(self, rate):
        self._player.set_rate(rate)

    def getPlaybackRate(self):
        return self._player.get_rate()

    def setPlaybackPosition(self, position):
        self._player.set_position(position)

    def getPlaybackPosition(self):
        return self._player.get_position()

    def setPlaybackVolume(self, volume):
        self._player.audio_set_volume(int(volume * 100))

    def getPlaybackVolume(self):
        return self._player.audio_get_volume() / 100.0

    def setCurrentSong(self, path):
        media = vlc.Media(path)
        self._player.set_media(media)

    def setPlayingStateChangedCallback(self, callback):
        events = [
            vlc.EventType.MediaPlayerStopped,
            vlc.EventType.MediaPlayerPlaying,
            vlc.EventType.MediaPlayerPaused
        ]
        manager = self._player.event_manager()
        for e in events:
            manager.event_attach(e, callback)
        self._playingStateChangedCallback = callback