"""Async SQLAlchemy engine/session wiring."""
from collections.abc import AsyncGenerator

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

from app.core.config import get_settings

settings = get_settings()

engine = create_async_engine(settings.database_url, pool_pre_ping=True)

AsyncSessionLocal = async_sessionmaker(bind=engine, expire_on_commit=False, autoflush=False)


async def get_db() -> AsyncGenerator[AsyncSession, None]:
    async with AsyncSessionLocal() as session:
        yield session