from collections.abc import AsyncGenerator

from sqlalchemy.ext.asyncio import AsyncEngine, AsyncSession, async_sessionmaker, create_async_engine


def make_engine(database_url: str, **kwargs: object) -> AsyncEngine:
    return create_async_engine(database_url, **kwargs)


def make_session_factory(engine: AsyncEngine) -> async_sessionmaker[AsyncSession]:
    return async_sessionmaker(engine, expire_on_commit=False)


async def session_from_factory(
    factory: async_sessionmaker[AsyncSession],
) -> AsyncGenerator[AsyncSession, None]:
    async with factory() as session:
        yield session