from sqlalchemy import create_engine
from sqlalchemy.orm import DeclarativeBase, sessionmaker
from backend.config.settings import settings

# MariaDB Connection URL
DATABASE_URL = f"mysql+pymysql://{settings.db_user}:{settings.db_password}@{settings.db_host}:{settings.db_port}/{settings.db_name}?charset=utf8mb4"

engine = create_engine(
    DATABASE_URL,
    echo=True,
    pool_pre_ping=True
)

# 세션 팩토리 생성
SessionLocal = sessionmaker(bind=engine, autoflush=False, autocommit=False)

# Base = declarative_Base()
class Base(DeclarativeBase):
    pass

# session 을 다른 모듈에서 사용할 수 있도록 제공
def get_db():
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()