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

from app.config import settings

engine = create_async_engine(settings.database_url, echo=settings.debug)
async_session = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)


async def get_db():
    async with async_session() as session:
        yield session


async def create_tables():
    from app.db.base import Base
    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.create_all)