type PuzzleUiBackgroundFields = {
  uiBackgroundImageSrc?: string | null;
  uiBackgroundImageObjectKey?: string | null;
};

export function resolvePuzzleUiBackgroundSource(
  level: PuzzleUiBackgroundFields | null | undefined,
) {
  const imageSrc = level?.uiBackgroundImageSrc?.trim();
  if (imageSrc) {
    return imageSrc;
  }

  const objectKey = level?.uiBackgroundImageObjectKey?.trim().replace(/^\/+/u, '');
  if (!objectKey) {
    return null;
  }

  return `/${objectKey}`;
}