from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker

from app.core.config import settings

# Create SQLite engine with check_same_thread=False for SQLite
engine = create_engine(
    settings.SQLALCHEMY_DATABASE_URL,
    connect_args={"check_same_thread": False}
)

# Create SessionLocal class for database sessions
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)


def get_db():
    """
    Dependency for FastAPI endpoints that need a database session.
    Yields a database session and ensures it is closed after use.
    """
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()