from collections.abc import Generator

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

from app.config import settings

settings.data_dir.mkdir(parents=True, exist_ok=True)

engine = create_engine(
    settings.database_url,
    connect_args={"check_same_thread": False},
)
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
Base = declarative_base()


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