from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine
from sqlalchemy.orm import sessionmaker

from app.core.config import settings

# Create async engine
engine = create_async_engine(
    settings.SQLALCHEMY_DATABASE_URL.replace("sqlite:///", "sqlite+aiosqlite:///"),
    connect_args={"check_same_thread": False},
)

# Create async session
async_session = sessionmaker(
    engine,
    class_=AsyncSession,
    expire_on_commit=False,
    autocommit=False,
    autoflush=False,
)


async def get_db() -> AsyncSession:
    """
    Dependency for getting an async database session.
    """
    async with async_session() as session:
        try:
            yield session
        finally:
            await session.close()