from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker, Session
from backend.database.models import Base
from backend.config import settings
import logging

logger = logging.getLogger(__name__)

engine = create_engine(
    settings.DATABASE_URL,
    connect_args={"check_same_thread": False} if "sqlite" in settings.DATABASE_URL else {}
)

SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)


def init_db():
    Base.metadata.create_all(bind=engine)
    logger.info("Database initialized")


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