from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine, async_sessionmaker
from app.core.config import settings

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

AsyncSessionLocal = async_sessionmaker(
    engine,
    class_=AsyncSession,
    expire_on_commit=False,
    autocommit=False,
    autoflush=False
)


async def get_db() -> AsyncSession:
    """Dependency для получения сессии БД"""
    async with AsyncSessionLocal() as session:
        try:
            yield session
        finally:
            await session.close()