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

from app.core.config import get_settings

settings = get_settings()

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


class Base(DeclarativeBase):
    pass


def get_db() -> Session:
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()