import pytest
from fastapi.testclient import TestClient

from pigway_frame_flow.api.app import create_app
from pigway_frame_flow.settings import Settings


@pytest.fixture
def settings(tmp_path):
    return Settings(
        data_dir=tmp_path / "data",
        config_dir=tmp_path / "config",
        api_token="test-frame-token",
        mock=True,
    )


@pytest.fixture
def app(settings):
    return create_app(settings, start_worker=False)


@pytest.fixture
def client(app):
    with TestClient(app) as c:
        c.headers["Authorization"] = "Bearer test-frame-token"
        yield c


@pytest.fixture
def service(app):
    return app.state.service


@pytest.fixture
def legacy_photo_engine(monkeypatch):
    """Exercise retained legacy internals without weakening production policy.

    These fixtures cover rendering, retention and migration algorithms that used
    filesystem inputs historically. API boundary tests never use this override.
    """
    from pigway_frame_flow.providers.photo_sources import PhotoSources

    monkeypatch.setattr(
        PhotoSources, "require_api_source", staticmethod(lambda source: None)
    )