from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker, Session
from app.core.config import settings

# SQLite memerlukan argumen check_same_thread=False
connect_args = {"check_same_thread": False} if settings.GET_DATABASE_URL.startswith("sqlite") else {}

engine = create_engine(
    settings.GET_DATABASE_URL,
    pool_pre_ping=True,
    connect_args=connect_args
)

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

def get_db():
    """Dependency generator to provide a database session to FastAPI endpoints."""
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()