import {
  chapterCategoryToInterviewStage,
  hasAnyMemoirDraftingActivity,
  memoirDraftCharsRemaining,
  memoirDraftHasStarted,
  MIN_CHAPTER_DISPLAY_CHARS,
  resolvedChapterCategory,
} from '@/features/memoir/draft-progress';

describe('draft-progress', () => {
  test('chapterCategoryToInterviewStage maps career chapters to career', () => {
    expect(chapterCategoryToInterviewStage('career_early')).toBe('career');
    expect(chapterCategoryToInterviewStage('career_achievement')).toBe('career');
  });

  test('chapterCategoryToInterviewStage maps beliefs and summary to belief', () => {
    expect(chapterCategoryToInterviewStage('beliefs')).toBe('belief');
    expect(chapterCategoryToInterviewStage('summary')).toBe('belief');
  });

  test('resolvedChapterCategory falls back to order index', () => {
    expect(
      resolvedChapterCategory({ category: '', orderIndex: 2 }),
    ).toBe('career_early');
  });

  test('hasAnyMemoirDraftingActivity when any stage has snippet', () => {
    const slots = {
      childhood: { q1: { snippet: '小时候…', status: 'filled' } },
    };
    expect(hasAnyMemoirDraftingActivity(slots)).toBe(true);
    expect(hasAnyMemoirDraftingActivity({})).toBe(false);
  });

  test('memoirDraftHasStarted when interview slots have snippet', () => {
    const slots = {
      childhood: { place: { snippet: '老家在小城', segment_ids: [] } },
    };
    expect(
      memoirDraftHasStarted(slots, 'childhood', 0),
    ).toBe(true);
  });

  test('memoirDraftHasStarted when word count positive', () => {
    expect(memoirDraftHasStarted({}, 'childhood', 12)).toBe(true);
  });

  test('memoirDraftCharsRemaining caps at zero', () => {
    expect(memoirDraftCharsRemaining(MIN_CHAPTER_DISPLAY_CHARS)).toBe(0);
    expect(memoirDraftCharsRemaining(MIN_CHAPTER_DISPLAY_CHARS + 50)).toBe(0);
  });

  test('memoirDraftCharsRemaining subtracts from threshold', () => {
    expect(memoirDraftCharsRemaining(100)).toBe(
      MIN_CHAPTER_DISPLAY_CHARS - 100,
    );
  });
});