from dataclasses import dataclass
from dataclass_factory import Factory, Schema
from typing import List, Generic, TypeVar

T = TypeVar('T')


@dataclass
class Camera:
    id: int
    error: int
    title: str


@dataclass
class ListResult(Generic[T]):
    result: List[T]


class CameraSchema(Schema):
    def pre_parse(self, data: dict):
        cam = {
            'id': data['id'],
            'error': data['error'][0]['code'],
            'title': data['title']
        }
        return cam


def create_factory():
    return Factory(
        schemas={
            Camera: CameraSchema(),
        },
        default_schema=Schema(
            omit_default=True,
        ),
    )


if __name__ == "__main__":
    result = {'result': [
        {'error': [{'code': 80, 'outdated_at': 1635822494333, 'occurred_at': 1635821433000}], 'contract_bindings': [],
         'title': 'ул. 8 Марта, д. 2, подъезд 2, обзор/фиксация лиц', 'ip_address': '172.26.253.148', 'id': 144036},
        {'error': [{'code': 80, 'outdated_at': 1635822494333, 'occurred_at': 1635821433000}], 'contract_bindings': [],
         'title': 'ул. 8 Марта, д. 2, подъезд 2, обзор/фиксация лиц', 'ip_address': '172.26.253.148', 'id': 144036},
    ]}
    factory = create_factory()
    cam = result['result'][0]
    print(factory.load(result, ListResult[Camera]))