from sqlalchemy.orm import Session

from app.models.app_settings import AppSetting


def get_setting(db: Session, key: str) -> str | None:
    row = db.query(AppSetting).filter(AppSetting.key == key).one_or_none()
    return row.value if row else None


def set_setting(db: Session, key: str, value: str) -> None:
    row = db.query(AppSetting).filter(AppSetting.key == key).one_or_none()
    if row is None:
        row = AppSetting(key=key, value=value)
        db.add(row)
    else:
        row.value = value
    db.commit()