# backend/app/database.py
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker, DeclarativeBase
from app.config import get_settings

settings = get_settings()
engine = create_engine(
    settings.database_url,
    pool_pre_ping=True,
    pool_recycle=3600,
)
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)


class Base(DeclarativeBase):
    pass


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