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

# Ensure data directory exists for the SLMM addon
os.makedirs("data", exist_ok=True)

SQLALCHEMY_DATABASE_URL = "sqlite:///./data/slmm.db"

engine = create_engine(SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False})
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
Base = declarative_base()


def get_db():
    """Dependency for database sessions."""
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()


def get_db_session():
    """Get a database session directly (not as a dependency)."""
    return SessionLocal()