import pytest
from httpx import ASGITransport, AsyncClient
from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine

from remodel_api.db.models import Base
from remodel_api.db.session import get_session
from remodel_api.main import app

TEST_DB_URL = "sqlite+aiosqlite:///:memory:"


@pytest.fixture()
async def db_session() -> AsyncSession:  # type: ignore[return]
    engine = create_async_engine(TEST_DB_URL)
    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.create_all)
    factory = async_sessionmaker(engine, expire_on_commit=False)
    async with factory() as session:
        yield session
    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.drop_all)
    await engine.dispose()


@pytest.fixture()
async def client(db_session: AsyncSession) -> AsyncClient:  # type: ignore[return]
    async def override_session() -> AsyncSession:  # type: ignore[return]
        yield db_session  # type: ignore[misc]

    app.dependency_overrides[get_session] = override_session
    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as c:
        yield c
    app.dependency_overrides.clear()