from collections.abc import Generator

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

from app.config import get_settings


class Base(DeclarativeBase):
    pass


settings = get_settings()

connect_args: dict[str, object] = {}
if settings.location_database_url.startswith("sqlite"):
    connect_args["check_same_thread"] = False

engine = create_engine(settings.location_database_url, connect_args=connect_args)
SessionLocal = sessionmaker(bind=engine, autoflush=False, autocommit=False, class_=Session)


def get_db_session() -> Generator[Session, None, None]:
    session = SessionLocal()
    try:
        yield session
    finally:
        session.close()