import unittest
import os
import urllib

from mopidy.models import Playlist, Track
from mopidy.backends.gstreamer import GStreamerBackend
from mopidy import settings

from tests.backends.base import *

folder = os.path.dirname(__file__)
folder = os.path.join(folder, '..', 'data')
folder = os.path.abspath(folder)
song = os.path.join(folder, 'song%s.wav')
generate_song = lambda i: 'file:' + urllib.pathname2url(song % i)

# FIXME can be switched to generic test
class GStreamerCurrentPlaylistHandlerTest(BaseCurrentPlaylistControllerTest, unittest.TestCase):
    tracks = [Track(uri=generate_song(i), id=i, length=4464) for i in range(1, 4)]

    backend_class = GStreamerBackend


class GStreamerPlaybackControllerTest(BasePlaybackControllerTest, unittest.TestCase):
    tracks = [Track(uri=generate_song(i), id=i, length=4464) for i in range(1, 4)]

    backend_class = GStreamerBackend

    def add_track(self, file):
        uri = 'file:' + urllib.pathname2url(os.path.join(folder, file))
        track = Track(uri=uri, id=1, length=4464)
        self.backend.current_playlist.add(track)

    def test_uri_handler(self):
        self.assert_('file:' in self.backend.uri_handlers)

    def test_play_mp3(self):
        self.add_track('blank.mp3')
        self.playback.play()
        self.assertEqual(self.playback.state, self.playback.PLAYING)

    def test_play_ogg(self):
        self.add_track('blank.ogg')
        self.playback.play()
        self.assertEqual(self.playback.state, self.playback.PLAYING)

    def test_play_flac(self):
        self.add_track('blank.flac')
        self.playback.play()
        self.assertEqual(self.playback.state, self.playback.PLAYING)


class GStreamerBackendStoredPlaylistsControllerTest(BaseStoredPlaylistsControllerTest,
        unittest.TestCase):

    backend_class = GStreamerBackend

    def test_created_playlist_is_persisted(self):
        self.stored.create('test')
        file= os.path.join(settings.PLAYLIST_FOLDER, 'test.m3u')
        self.assert_(os.path.exists(file))

    def test_saved_playlist_is_persisted(self):
        self.stored.save(Playlist(name='test2'))
        file= os.path.join(settings.PLAYLIST_FOLDER, 'test2.m3u')
        self.assert_(os.path.exists(file))

    def test_deleted_playlist_get_removed(self):
        playlist = self.stored.create('test')
        self.stored.delete(playlist)
        file= os.path.join(settings.PLAYLIST_FOLDER, 'test.m3u')
        self.assert_(not os.path.exists(file))


if __name__ == '__main__':
    unittest.main()