from __future__ import annotations

from collections.abc import Generator

from sqlalchemy import create_engine
from sqlalchemy.orm import Session, sessionmaker

from app.settings import settings

connect_args = {"check_same_thread": False} if settings.database_url.startswith("sqlite") else {}
engine = create_engine(settings.database_url, pool_pre_ping=True, connect_args=connect_args)
SessionLocal = sessionmaker(bind=engine, autoflush=False, autocommit=False, expire_on_commit=False)


def get_session() -> Generator[Session, None, None]:
    with SessionLocal() as session:
        yield session