from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
import os
from dotenv import load_dotenv

load_dotenv()
DATABASE_URL = os.environ.get("DATABASE_URL")
if not DATABASE_URL:
    raise RuntimeError("DATABASE_URL environment variable is not set")

engine = create_engine(DATABASE_URL, echo=True, future=True)
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
Base = declarative_base()