import os
from sqlmodel import create_engine, SQLModel
from sqlalchemy.orm import sessionmaker
from dotenv import load_dotenv

load_dotenv()


DATABASE_URL = os.environ["DB_CONNECTION_STRING"]


debug = os.getenv("ENV", "dev") == "dev"
engine = create_engine(DATABASE_URL, echo=debug)  # `echo=True` for debug logs
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)


def init_db() -> None:
    """Create all tables (only for development; use migrations in production)."""
    SQLModel.metadata.create_all(engine)