import musicbrainzngs

musicbrainzngs.set_useragent("Mopidy-SmartPlaylists", "0.1")

def get_similar_artists(mbid):
    result = musicbrainzngs.get_artist_by_id(mbid, includes=["artist-rels"])
    sims = result["artist"]["artist-relation-list"]

    tracks = []
    for rel in sims:
        artist = rel["artist"]["name"]
        # Here you'd search Spotify/local/etc for tracks
        # You return tracks with proper mopidy URIs
        # Example placeholder:
        tracks.append(Track(uri=f"spotify:artist:{artist}", name=artist))

    return tracks

def get_genre_tracks(genre):
    # Example: Browse MusicBrainz tags
    return []