from plex.objects.core.base import Property
from plex.objects.directory import Directory
from plex.objects.library.metadata.album import Album
from plex.objects.library.metadata.artist import Artist
from plex.objects.library.metadata.base import Metadata
from plex.objects.mixins.scrobble import ScrobbleMixin
from plex.objects.mixins.session import SessionMixin


class Track(Directory, Metadata, SessionMixin, ScrobbleMixin):
    artist = Property(resolver=lambda: Track.construct_artist)
    album = Property(resolver=lambda: Track.construct_album)

    index = Property(type=int)

    view_count = Property('viewCount', type=int)
    view_offset = Property('viewOffset', type=int)

    duration = Property(type=int)

    @staticmethod
    def construct_artist(client, node):
        attribute_map = {
            'key':          'grandparentKey',
            'ratingKey':    'grandparentRatingKey',

            'title':        'grandparentTitle',

            'thumb':        'grandparentThumb'
        }

        return Artist.construct(client, node, attribute_map, child=True)

    @staticmethod
    def construct_album(client, node):
        attribute_map = {
            'index':        'parentIndex',
            'key':          'parentKey',
            'ratingKey':    'parentRatingKey',

            'title':        'parentTitle',
            'year':         'parentYear',

            'thumb':        'parentThumb'
        }

        return Album.construct(client, node, attribute_map, child=True)