from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine, async_sessionmaker
from sqlmodel import SQLModel
from .config import settings

engine = create_async_engine(
    settings.database_url,
    echo=settings.debug,
    future=True
)

async_session_maker = async_sessionmaker(
    bind=engine,
    class_=AsyncSession,
    expire_on_commit=False
)


async def get_session() -> AsyncSession:
    async with async_session_maker() as session:
        yield session


async def create_db_and_tables():
    async with engine.begin() as conn:
        await conn.run_sync(SQLModel.metadata.create_all)