import asyncio
import datetime
import pytest

from server import config
from server.app import create_app
from server.db.session import metadata, engine


@pytest.fixture
async def db_session(client):
    async with engine.begin() as conn:
        await conn.run_sync(metadata.drop_all)
        await conn.run_sync(metadata.create_all)
    yield
    async with engine.begin() as conn:
        await conn.run_sync(metadata.drop_all)
    await engine.dispose()


@pytest.fixture(scope="session")
def event_loop():
    loop = asyncio.get_event_loop()
    yield loop
    loop.close()


@pytest.fixture
def auth():
    return {"Authorization": config.AUTH_API_KEY}


@pytest.fixture
def client(loop, aiohttp_client):
    app = create_app()
    return loop.run_until_complete(aiohttp_client(app))


@pytest.fixture
def patch_datetime_now(monkeypatch):
    """Patching datetime now for tests."""
    fake_datetime = datetime.datetime(2022, 6, 20, 10, 0, 0)

    class PatchedDatetime(datetime.datetime):
        @classmethod
        def now(cls):
            return fake_datetime

    monkeypatch.setattr("server.api.users.feed.datetime", PatchedDatetime)