import logging
import mopidy.backend
from .library import SmartLibrary

logger = logging.getLogger(__name__)

class SmartPlaylistsBackend(mopidy.backend.Backend):
    """Backend that exposes a LibraryProvider for smart playlists."""
    uri_schemes = ["smart"]

    def __init__(self, config, audio):
        super().__init__(audio=audio)
        self.config = config["smartplaylists"]
        # Provide library provider that implements browse/lookup
        self.library = SmartLibrary(backend=self, config=self.config)