"""Common schemas used across the whole project.

TODO: This should be moved to a separate PyPI package.

"""

from marshmallow import fields, post_dump
from marshmallow import Schema


class BaseSchema(Schema):
    """Marshmallow base schema."""

    @classmethod
    def normalize(cls, obj, many=False, **kwargs):
        """Normalize input to match schema."""
        instance = cls()
        instance.context.update(kwargs)
        return instance.dump(obj, many=many).data


class LabelEntitySchema(BaseSchema):
    """Base schema for entities with label and subaccount fields."""

    label_id = fields.Integer(dump_to='labelId')
    subaccount_name = fields.String(dump_to='subaccount')
    subaccount_id = fields.Integer(dump_to='subaccountId')

    @post_dump
    def _remove_subaccount_name(self, data):
        """Remove subaccount name if account_id matches subaccountId."""
        account_id = self.context.get('account_id')
        if account_id and data.get('subaccount'):
            if str(account_id) == str(data.get('subaccountId')):
                del data['subaccount']


class TrackCoreMetadataSchema(LabelEntitySchema):
    """Marshmallow for track core metadata."""

    isrc = fields.String()
    artist_name = fields.String(dump_to='artistName')
    image_location = fields.Url(dump_to='imageLocation')
    name = fields.String(dump_to='trackName')
    version = fields.String(dump_to='version')

    # Aliases
    track_name = name
    track_version = version