import os
from dotenv import load_dotenv
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker, declarative_base

load_dotenv()

DATABASE_URL = os.getenv("DATABASE_URL", "mysql+pymysql://root:1234567890@192.168.50.139:3306/erp")
engine = create_engine(DATABASE_URL, pool_pre_ping=True, echo=False)
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
Base = declarative_base()

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