import os
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from models import Base
from dotenv import load_dotenv

load_dotenv()
DATABASE_URL = os.getenv('DATABASE_URL', 'sqlite:///bot.db')
engine = create_engine(DATABASE_URL, echo=True)
SessionLocal = sessionmaker(bind=engine)

def init_db():
    Base.metadata.create_all(engine)