from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker

from app.config import DATABASE_URL

# Create engine
engine = create_engine(
    DATABASE_URL,
    connect_args={"check_same_thread": False}
)

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

# Create Base class
Base = declarative_base()


def get_db():
    """Dependency to get database session."""
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()