from rest_framework import serializers
from taggit.serializers import TagListSerializerField, TaggitSerializer

from ..models import Track, UserSettings


__all__ = ('TrackSerializer', 'UserSettingsSerializer')


class TrackSerializer(TaggitSerializer, serializers.ModelSerializer):
    tags = TagListSerializerField()

    class Meta:
        model = Track
        fields = ('pk', 'artist', 'title', 'album', 'year', 'position',
                  'info', 'tags', 'episode', 'sound')


class UserSettingsSerializer(serializers.ModelSerializer):
    # TODO: validate fields values (playlist_editor_columns at least)
    class Meta:
        model = UserSettings
        fields = ('playlist_editor_columns', 'playlist_editor_sep')

    def create(self, validated_data):
        user = self.context.get('user')
        if user:
            validated_data['user_id'] = user.id
        return super().create(validated_data)