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

from app.core.config import settings

engine = create_async_engine(
    settings.DATABASE_URL,
    echo=True, # Set to False in production
    future=True
)

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

class Base(DeclarativeBase):
    pass

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