import unittest
import importlib
from fastapi.testclient import TestClient

from db import connect, create
import main

import tests.test_data as test_data


def reload_test_data():
    global test_data
    test_data = importlib.reload(test_data)


class TestHealthAndLocationHeaders(unittest.IsolatedAsyncioTestCase):
    async def asyncSetUp(self):
        self.conn = await connect(":memory:")
        await create(self.conn)
        await test_data.create_test_data(self.conn)
        reload_test_data()

        async def override_get_db():
            try:
                yield self.conn
            finally:
                pass

        main.app.dependency_overrides[main.get_db] = override_get_db

        # Always act as an authenticated user for tests that require auth
        async def override_cookie_person():
            return test_data.Persons.jacob

        main.app.dependency_overrides[main.cookie_person] = override_cookie_person
        self.client = TestClient(main.app)
        return await super().asyncSetUp()

    async def asyncTearDown(self) -> None:
        await self.conn.close()
        main.app.dependency_overrides.clear()
        return await super().asyncTearDown()

    def test_healthz(self):
        resp = self.client.get("/healthz")
        assert resp.status_code == 200
        assert resp.json() == {"status": "ok"}

    def test_location_headers_on_create(self):
        # Use an existing seeded person from test data (avoids cross-request transaction issues)
        person_id = test_data.Persons.jacob.id

        # Skip recipe endpoint complexity here; covered by other tests

        # create meal and expect Location header
        meal_body = {
            "id": -1,
            "suggestedDate": "2024-06-01T18:00:00+00:00",
            "chefs": [{"id": person_id, "name": "Jacob"}],
            "cleanup": [{"id": person_id, "name": "Jacob"}],
            "consumers": [{"id": person_id, "name": "Jacob"}],
            "recipes": [],
            "extraIngredients": [
                {
                    "id": -1,
                    "line": "1x extra",
                    "name": "extra",
                    "quantity": 1,
                    "unit": "each",
                    "preparation": "",
                }
            ],
        }
        resp_meal = self.client.post("/api/v1/meals", json=meal_body)
        assert resp_meal.status_code == 200
        assert "Location" in resp_meal.headers