from apollo_utils.service.schemas.fields.datetime import DateTimeStringField
from apollo_utils.service.schemas.mixins.date import get_date_range_mixin
from apollo_utils.service.schemas.mixins.isrc import IsrcListRequiredMixin
from marshmallow import fields

from server.schemas.base.schemas import RequestSchema, Schema


class V1PlaylistsCommonPosition:
    """(AP) track in playlist position change common request schema for apple/spotify"""

    class Request(
        RequestSchema, IsrcListRequiredMixin, get_date_range_mixin(start_field="startDate", end_field="endDate")
    ):
        pass

    class Response(Schema):
        """(AP) track in playlist position change common response schema for apple/spotify

        Has a legacy response structure:
            {
                "series":
                    [
                        {
                            "entries":
                                {
                                    "trackCount": playlist tracks count for particular date,
                                    "date": "2022-09-08",
                                    "position": position of a track for particular day
                                },
                        }
                    ]
                }
        """

        class NestedItem(Schema):
            class ItemNestedMetrics(Schema):
                date = DateTimeStringField()
                position = fields.Integer(attribute="current", dump_default=None)
                num_tracks = fields.Integer(data_key="trackCount", dump_default=None)

            entries = fields.List(fields.Nested(ItemNestedMetrics))

        series = fields.List(fields.Nested(NestedItem()))