/**
 * OmniCard AI (CRMmp) - mpuniapp 文章详情第一版测试套件 (TDD Red -> Green)
 *
 * 严格按照 AGENTS.md 3.3、4.3、5.1 规范与 PRD pages/portal/article-detail 设计编写
 */

type BentoBlockFixture = {
  id: number | string;
  cardId: number | string;
  type: string;
  colSpan: number;
  rowSpan: number;
  sortOrder: number;
  title?: string;
  content?: string;
  mediaUrl?: string;
  linkUrl?: string;
};

type ArticleDetailState = {
  cardId: string;
  blockId: string;
  loading: boolean;
  article: BentoBlockFixture | null;
  title: string;
  content: string;
  mediaUrl: string;
  linkUrl: string;
  isHtmlContent: boolean;
  empty: boolean;
  errorMessage: string;
  openGraph: {
    title: string;
    description: string;
    image: string;
  };
};

type ArticleShareFields = {
  ctaLabel: string;
  copiedToast: string;
  shareUrl: string;
  title: string;
  description: string;
  image: string;
};

type ArticleDetailModule = {
  createArticleDetailState: () => ArticleDetailState;
  applyArticleDetailOptions: (
    state: ArticleDetailState,
    options: { cardId?: string; blockId?: string; id?: string } | null
  ) => boolean;
  pickArticleBlock: (
    blocks: BentoBlockFixture[] | null | undefined,
    blockId: string
  ) => BentoBlockFixture | null;
  looksLikeHtml: (content: string) => boolean;
  buildArticleOpenGraph: (article: BentoBlockFixture | null) => {
    title: string;
    description: string;
    image: string;
  };
  resolveShareUrl: (linkUrl: string, pageUrl: string) => string;
  getArticleShareFields: (state: ArticleDetailState, pageUrl: string) => ArticleShareFields;
  loadArticleDetail: (state: ArticleDetailState) => Promise<BentoBlockFixture | null>;
  copyArticleShareLink: (state: ArticleDetailState, pageUrl?: string) => boolean;
};

type UniToastOption = {
  title: string;
  icon?: string;
};

type UniRequestSuccessRes = {
  statusCode: number;
  data: unknown;
  header: Record<string, string>;
};

type UniRequestOption = {
  url: string;
  method?: string;
  data?: unknown;
  success?: (res: UniRequestSuccessRes) => void;
  fail?: (err: { errMsg: string }) => void;
  complete?: () => void;
};

function buildArticleBlock(): BentoBlockFixture {
  return {
    id: 3,
    cardId: 'card-101',
    type: 'article',
    colSpan: 1,
    rowSpan: 1,
    sortOrder: 2,
    title: 'The Future of Cross-Border Trade',
    content: '<p>Cross-border trade is shifting toward trusted digital identity.</p>',
    mediaUrl: 'https://cdn.omnicard.ai/media/article-cover.jpg',
    linkUrl: 'https://omnicard.ai/p/article-3',
  };
}

function buildPortalPayload(blocks: BentoBlockFixture[]) {
  return {
    code: 1000,
    message: 'success',
    data: {
      id: 'card-101',
      name: 'Alex Vance',
      title: 'Managing Director & Global Partner',
      company: 'Nexus Tech Global Ltd',
      status: 'published',
      bentoBlocks: blocks,
    },
  };
}

describe('OmniCard AI 用户端文章详情业务逻辑测试 (useArticleDetail.uts)', () => {
  let storageMap: Map<string, string>;
  let toastCalls: UniToastOption[];
  let clipboardText: string;
  let lastRequestOptions: UniRequestOption | null;
  let requestCallCount: number;
  let mockRequestResponse: {
    statusCode?: number;
    data?: {
      code?: number;
      message?: string;
      data?: unknown;
    };
    failError?: { errMsg: string };
  };

  beforeEach(() => {
    storageMap = new Map();
    toastCalls = [];
    clipboardText = '';
    lastRequestOptions = null;
    requestCallCount = 0;
    mockRequestResponse = {
      statusCode: 200,
      data: buildPortalPayload([
        {
          id: 1,
          cardId: 'card-101',
          type: 'hero',
          colSpan: 2,
          rowSpan: 1,
          sortOrder: 0,
          title: 'Hero Block',
        },
        {
          id: 2,
          cardId: 'card-101',
          type: 'case',
          colSpan: 2,
          rowSpan: 1,
          sortOrder: 1,
          title: 'Middle East Energy Hub',
          content: 'Built scalable renewable energy microgrid in UAE.',
        },
        buildArticleBlock(),
        {
          id: 4,
          cardId: 'card-101',
          type: 'social',
          colSpan: 1,
          rowSpan: 1,
          sortOrder: 3,
          title: 'Global Social Matrix',
        },
      ]),
    };

    (global as { uni?: Record<string, unknown> }).uni = {
      getStorageSync: (key: string) => storageMap.get(key) || '',
      setStorageSync: (key: string, val: string) => storageMap.set(key, val),
      removeStorageSync: (key: string) => storageMap.delete(key),
      getLocale: () => 'zh-CN',
      getSystemInfoSync: () => ({ language: 'zh-CN' }),
      showToast: (options: UniToastOption) => {
        toastCalls.push(options);
      },
      reLaunch: jest.fn(),
      navigateBack: jest.fn(),
      getCurrentPages: () => [],
      setClipboardData: (options: { data: string; success?: () => void }) => {
        clipboardText = options.data;
        options.success?.();
      },
      request: (options: UniRequestOption) => {
        requestCallCount += 1;
        lastRequestOptions = options;
        setTimeout(() => {
          if (mockRequestResponse.failError) {
            options.fail?.(mockRequestResponse.failError);
          } else {
            options.success?.({
              statusCode: mockRequestResponse.statusCode ?? 200,
              data: mockRequestResponse.data,
              header: {},
            });
          }
          options.complete?.();
        }, 0);
        return {
          abort: jest.fn(),
        };
      },
    };
  });

  afterEach(() => {
    delete (global as { uni?: Record<string, unknown> }).uni;
    jest.resetModules();
  });

  function loadUseArticleDetail(): ArticleDetailModule {
    // eslint-disable-next-line @typescript-eslint/no-require-imports
    return require('../../../mpuniapp/pages/portal/useArticleDetail.uts') as ArticleDetailModule;
  }

  describe('1. 能选出 article 块', () => {
    it('1.1 pickArticleBlock 按 blockId 选出 type 为 article 的块', () => {
      const { pickArticleBlock } = loadUseArticleDetail();
      const article = buildArticleBlock();
      const picked = pickArticleBlock(
        [
          {
            id: 2,
            cardId: 'card-101',
            type: 'case',
            colSpan: 2,
            rowSpan: 1,
            sortOrder: 1,
            title: 'Case',
          },
          article,
          {
            id: 4,
            cardId: 'card-101',
            type: 'social',
            colSpan: 1,
            rowSpan: 1,
            sortOrder: 3,
            title: 'Social',
          },
        ],
        '3'
      );

      expect(picked).not.toBeNull();
      expect(picked?.type).toBe('article');
      expect(String(picked?.id)).toBe('3');
      expect(picked?.title).toBe('The Future of Cross-Border Trade');
    });

    it('1.2 loadArticleDetail 拉取门户后按 cardId/blockId 绑定文章字段', async () => {
      const {
        createArticleDetailState,
        applyArticleDetailOptions,
        loadArticleDetail,
      } = loadUseArticleDetail();

      const state = createArticleDetailState();
      const ready = applyArticleDetailOptions(state, {
        cardId: 'card-101',
        blockId: '3',
      });
      expect(ready).toBe(true);

      const result = await loadArticleDetail(state);

      expect(result).not.toBeNull();
      expect(requestCallCount).toBe(1);
      expect(lastRequestOptions?.url).toContain('/open/card/portal/detail');
      expect(state.empty).toBe(false);
      expect(state.article?.type).toBe('article');
      expect(state.title).toBe('The Future of Cross-Border Trade');
      expect(state.content).toContain('Cross-border trade');
      expect(state.mediaUrl).toBe('https://cdn.omnicard.ai/media/article-cover.jpg');
      expect(state.linkUrl).toBe('https://omnicard.ai/p/article-3');
      expect(state.isHtmlContent).toBe(true);
      expect(state.openGraph.title).toBe('The Future of Cross-Border Trade');
      expect(state.openGraph.image).toBe('https://cdn.omnicard.ai/media/article-cover.jpg');
      expect(state.openGraph.description.length).toBeGreaterThan(0);
    });

    it('1.3 正文像 HTML 时 looksLikeHtml 为真，纯文本为假', () => {
      const { looksLikeHtml } = loadUseArticleDetail();
      expect(looksLikeHtml('<p>Insight body</p>')).toBe(true);
      expect(looksLikeHtml('Plain magazine paragraph without markup')).toBe(false);
    });
  });

  describe('2. 缺失返空', () => {
    it('2.1 缺少 cardId 或 blockId 时不请求并标记空状态', async () => {
      const {
        createArticleDetailState,
        applyArticleDetailOptions,
        loadArticleDetail,
      } = loadUseArticleDetail();

      const state = createArticleDetailState();
      const ready = applyArticleDetailOptions(state, {});
      expect(ready).toBe(false);
      expect(state.empty).toBe(true);

      const result = await loadArticleDetail(state);
      expect(result).toBeNull();
      expect(requestCallCount).toBe(0);
      expect(state.empty).toBe(true);
      expect(state.article).toBeNull();
      expect(state.title).toBe('');
    });

    it('2.2 blockId 命中非 article 或块不存在时返空', async () => {
      const {
        pickArticleBlock,
        createArticleDetailState,
        applyArticleDetailOptions,
        loadArticleDetail,
      } = loadUseArticleDetail();

      expect(
        pickArticleBlock(
          [
            {
              id: 2,
              cardId: 'card-101',
              type: 'case',
              colSpan: 2,
              rowSpan: 1,
              sortOrder: 1,
              title: 'Case',
            },
          ],
          '2'
        )
      ).toBeNull();
      expect(pickArticleBlock([], '3')).toBeNull();
      expect(pickArticleBlock(null, '3')).toBeNull();

      const state = createArticleDetailState();
      applyArticleDetailOptions(state, { cardId: 'card-101', blockId: '2' });
      const result = await loadArticleDetail(state);

      expect(result).toBeNull();
      expect(state.empty).toBe(true);
      expect(state.article).toBeNull();
      expect(state.openGraph.title).toBe('');
      expect(state.openGraph.description).toBe('');
      expect(state.openGraph.image).toBe('');
    });

    it('2.3 拉取失败同样返空', async () => {
      const {
        createArticleDetailState,
        applyArticleDetailOptions,
        loadArticleDetail,
      } = loadUseArticleDetail();

      mockRequestResponse = {
        statusCode: 404,
        data: {
          code: 404,
          message: '名片不存在或未公开',
        },
      };

      const state = createArticleDetailState();
      applyArticleDetailOptions(state, { cardId: 'missing', blockId: '3' });
      const result = await loadArticleDetail(state);

      expect(result).toBeNull();
      expect(state.empty).toBe(true);
      expect(state.loading).toBe(false);
      expect(state.article).toBeNull();
    });
  });

  describe('3. 分享文案字段齐全', () => {
    it('3.1 分享字段包含 CTA、Toast、链接与 OpenGraph title/description/image', async () => {
      const {
        createArticleDetailState,
        applyArticleDetailOptions,
        loadArticleDetail,
        getArticleShareFields,
      } = loadUseArticleDetail();

      const state = createArticleDetailState();
      applyArticleDetailOptions(state, { cardId: 'card-101', blockId: '3' });
      await loadArticleDetail(state);

      const share = getArticleShareFields(state, 'https://omnicard.ai/h5/article');
      const keys: Array<keyof ArticleShareFields> = [
        'ctaLabel',
        'copiedToast',
        'shareUrl',
        'title',
        'description',
        'image',
      ];
      for (const key of keys) {
        expect(typeof share[key]).toBe('string');
        expect(share[key].length).toBeGreaterThan(0);
      }
      expect(share.ctaLabel).toBe('复制链接');
      expect(share.shareUrl).toBe('https://omnicard.ai/p/article-3');
      expect(share.title).toBe('The Future of Cross-Border Trade');
      expect(share.image).toBe('https://cdn.omnicard.ai/media/article-cover.jpg');
    });

    it('3.2 无 linkUrl 时回退当前页 URL，复制写入剪贴板', async () => {
      const article = buildArticleBlock();
      article.linkUrl = '';
      mockRequestResponse = {
        statusCode: 200,
        data: buildPortalPayload([article]),
      };

      const {
        createArticleDetailState,
        applyArticleDetailOptions,
        loadArticleDetail,
        resolveShareUrl,
        getArticleShareFields,
        copyArticleShareLink,
      } = loadUseArticleDetail();

      expect(resolveShareUrl('', 'https://omnicard.ai/h5/article-fallback')).toBe(
        'https://omnicard.ai/h5/article-fallback'
      );
      expect(resolveShareUrl('https://omnicard.ai/p/article-3', 'https://fallback')).toBe(
        'https://omnicard.ai/p/article-3'
      );

      const state = createArticleDetailState();
      applyArticleDetailOptions(state, { cardId: 'card-101', blockId: '3' });
      await loadArticleDetail(state);

      const pageUrl = 'https://omnicard.ai/h5/article-fallback';
      const share = getArticleShareFields(state, pageUrl);
      expect(share.shareUrl).toBe(pageUrl);
      expect(share.ctaLabel).toBe('复制链接');
      expect(share.copiedToast.length).toBeGreaterThan(0);

      const copied = copyArticleShareLink(state, pageUrl);
      expect(copied).toBe(true);
      expect(clipboardText).toBe(pageUrl);
      expect(toastCalls.length).toBeGreaterThan(0);
    });
  });
});