import type { PuzzleAgentSessionSnapshot } from '../../../packages/shared/src/contracts/puzzleAgentSession';

function hasText(value: string | null | undefined) {
  return typeof value === 'string' && value.trim().length > 0;
}

function hasAssetReference(
  imageSrc: string | null | undefined,
  objectKey: string | null | undefined,
) {
  return hasText(imageSrc) || hasText(objectKey);
}

export function isPuzzleCompileActionReady(
  session: PuzzleAgentSessionSnapshot,
) {
  const draft = session.draft;
  if (!draft) {
    return false;
  }
  return (
    draft.levels?.some(
      (level) =>
        (hasText(draft.coverImageSrc) || hasText(level.coverImageSrc)) &&
        hasAssetReference(level.levelSceneImageSrc, level.levelSceneImageObjectKey) &&
        hasAssetReference(
          level.uiSpritesheetImageSrc,
          level.uiSpritesheetImageObjectKey,
        ) &&
        hasAssetReference(
          level.levelBackgroundImageSrc,
          level.levelBackgroundImageObjectKey,
        ),
    ) === true
  );
}