from collections.abc import Generator

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

from app.config import settings

_is_sqlite = settings.murshid_db_url.startswith("sqlite")

engine = create_engine(
    settings.murshid_db_url,
    connect_args={"check_same_thread": False} if _is_sqlite else {},
    pool_pre_ping=not _is_sqlite,
    pool_recycle=3600 if not _is_sqlite else -1,
)

SessionLocal = sessionmaker(bind=engine, autocommit=False, autoflush=False)


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