import contextlib
from collections.abc import Iterator
from typing import Any
from unittest import mock

from fansifter_common.testing.factories import FactoryService

from resonance_engine.adapters.db import Model, db
from resonance_engine.config import settings

_factory = FactoryService()
_factory.scan("tests.unit.factories")


def build_model[T](model: type[T], **kwargs: Any) -> T:
    return _factory.build(model, **kwargs)


def create_model[T: Model](model: type[T], **kwargs: Any) -> T:
    return _factory.create(db.session, model, **kwargs)


def create_model_batch[T: Model](
    model: type[T], *, size: int, **kwargs: Any
) -> list[T]:
    return _factory.create_batch(db.session, model, size=size, **kwargs)


@contextlib.contextmanager
def override_settings(**kwargs: Any) -> Iterator[None]:
    new_settings = settings.model_copy(update=kwargs)
    with mock.patch("resonance_engine.config.settings.__wrapped__", new_settings):
        yield