/**
 * OmniCard AI (CRMmp) - 名片主参展分享码海报测试套件 (TDD Red -> Green)
 *
 * 严格按照 AGENTS.md 3.3、4.3、5.1 规范与 pages/owner/card/qrcode 设计编写
 */

import * as fs from 'fs';
import * as path from 'path';

const QRCODE_PAGE = path.resolve(
  __dirname,
  '../../../mpuniapp/pages/owner/card/qrcode.uvue'
);
const QRCODE_UTS = path.resolve(
  __dirname,
  '../../../mpuniapp/pages/owner/card/useCardQrcode.uts'
);

type QrcodeQuery = {
  slug?: string;
  id?: string;
};

type CardQrcodePoster = {
  svg: string;
  url: string;
};

type LoadPosterApi = {
  fetchCardQrcodeSvg: (slugOrId: string) => Promise<CardQrcodePoster>;
};

type LoadPosterResult = {
  svg: string;
  url: string;
  empty: boolean;
  errorMessage: string;
};

type UseCardQrcodeModule = {
  resolveSlugOrId: (query: QrcodeQuery | null | undefined) => string;
  loadPoster: (
    slugOrId: string | null | undefined,
    api?: LoadPosterApi
  ) => Promise<LoadPosterResult>;
  copyPosterUrl: (url: string | null | undefined) => boolean;
  savePosterToAlbum: (
    imageSource: string | null | undefined
  ) => Promise<boolean>;
};

const EMOJI_RE = /[\u2600-\u27BF\uFE0F]|[\uD83C-\uDBFF][\uDC00-\uDFFF]/;
const SAVE_SUCCESS_TOAST_RE =
  /已保存到相册|已保存(?!失败)|保存成功|Saved to (Photos|album)|Saved successfully/i;

function loadUseCardQrcode(): UseCardQrcodeModule {
  // eslint-disable-next-line @typescript-eslint/no-require-imports
  return require(QRCODE_UTS) as UseCardQrcodeModule;
}

function assertNoSaveSuccessToast(
  toastCalls: Array<{ title: string; icon?: string }>
): void {
  for (const toast of toastCalls) {
    expect(SAVE_SUCCESS_TOAST_RE.test(toast.title)).toBe(false);
  }
}

function buildPoster(overrides?: Partial<CardQrcodePoster>): CardQrcodePoster {
  return {
    svg: '<svg xmlns="http://www.w3.org/2000/svg"></svg>',
    url: 'https://omnicard.ai/c/alex-vance',
    ...overrides,
  };
}

describe('OmniCard AI 名片主参展分享码海报 (useCardQrcode.uts)', () => {
  let clipboardText: string;
  let toastCalls: Array<{ title: string; icon?: string }>;
  let saveAlbumCalls: Array<{ filePath: string }>;
  let saveAlbumMode: 'success' | 'fail' | 'authDeny';
  let downloadMode: 'success' | 'fail' | 'emptyPath';
  let lastDownloadedUrl: string;

  beforeEach(() => {
    jest.resetModules();
    clipboardText = '';
    toastCalls = [];
    saveAlbumCalls = [];
    saveAlbumMode = 'success';
    downloadMode = 'success';
    lastDownloadedUrl = '';
    (global as { uni?: Record<string, unknown> }).uni = {
      getLocale: () => 'zh-CN',
      showToast: (options: { title: string; icon?: string }) => {
        toastCalls.push(options);
      },
      setClipboardData: (options: { data: string; success?: () => void }) => {
        clipboardText = options.data;
        options.success?.();
      },
      downloadFile: (options: {
        url: string;
        success?: (res: { statusCode: number; tempFilePath: string }) => void;
        fail?: (err: { errMsg: string }) => void;
      }) => {
        lastDownloadedUrl = options.url;
        if (downloadMode === 'fail') {
          options.fail?.({ errMsg: 'downloadFile:fail' });
          return;
        }
        if (downloadMode === 'emptyPath') {
          options.success?.({ statusCode: 200, tempFilePath: '' });
          return;
        }
        options.success?.({
          statusCode: 200,
          tempFilePath: '/tmp/poster-qr.png',
        });
      },
      saveImageToPhotosAlbum: (options: {
        filePath: string;
        success?: () => void;
        fail?: (err: { errMsg: string }) => void;
      }) => {
        saveAlbumCalls.push({ filePath: options.filePath });
        if (saveAlbumMode === 'success') {
          options.success?.();
          return;
        }
        if (saveAlbumMode === 'authDeny') {
          options.fail?.({ errMsg: 'saveImageToPhotosAlbum:fail auth deny' });
          return;
        }
        options.fail?.({ errMsg: 'saveImageToPhotosAlbum:fail' });
      },
    };
  });

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

  describe('1. resolveSlugOrId 优先 slug，否则 id', () => {
    it('1.1 同时有 slug 与 id 时只取 slug', () => {
      const { resolveSlugOrId } = loadUseCardQrcode();

      expect(
        resolveSlugOrId({ slug: 'alex-vance', id: '101' })
      ).toBe('alex-vance');
    });

    it('1.2 slug 为空时回退 id，并去掉首尾空白', () => {
      const { resolveSlugOrId } = loadUseCardQrcode();

      expect(resolveSlugOrId({ slug: '  ', id: ' 101 ' })).toBe('101');
      expect(resolveSlugOrId({ id: 'card-88' })).toBe('card-88');
      expect(resolveSlugOrId({ slug: '  gitex-2026  ' })).toBe('gitex-2026');
    });

    it('1.3 缺参或全空返回空串', () => {
      const { resolveSlugOrId } = loadUseCardQrcode();

      expect(resolveSlugOrId({})).toBe('');
      expect(resolveSlugOrId({ slug: '', id: '' })).toBe('');
      expect(resolveSlugOrId(null)).toBe('');
      expect(resolveSlugOrId(undefined)).toBe('');
    });
  });

  describe('2. loadPoster 调用 svg API', () => {
    it('2.1 把 slugOrId 交给 fetchCardQrcodeSvg，并回填 svg / url', async () => {
      const { loadPoster } = loadUseCardQrcode();
      const poster = buildPoster();
      const fetchCardQrcodeSvg = jest.fn(
        async (slugOrId: string): Promise<CardQrcodePoster> => {
          expect(slugOrId).toBe('alex-vance');
          return poster;
        }
      );

      const result = await loadPoster('alex-vance', { fetchCardQrcodeSvg });

      expect(fetchCardQrcodeSvg).toHaveBeenCalledTimes(1);
      expect(fetchCardQrcodeSvg).toHaveBeenCalledWith('alex-vance');
      expect(result.svg).toBe(poster.svg);
      expect(result.url).toBe(poster.url);
      expect(result.empty).toBe(false);
      expect(result.errorMessage).toBe('');
    });

    it('2.2 空 slugOrId 不请求接口，标记空态', async () => {
      const { loadPoster } = loadUseCardQrcode();
      const fetchCardQrcodeSvg = jest.fn(async () => buildPoster());

      const result = await loadPoster('   ', { fetchCardQrcodeSvg });

      expect(fetchCardQrcodeSvg).not.toHaveBeenCalled();
      expect(result.svg).toBe('');
      expect(result.url).toBe('');
      expect(result.empty).toBe(true);
      expect(result.errorMessage).toBe('');
    });

    it('2.3 接口失败写入错误，不伪装空态成功', async () => {
      const { loadPoster } = loadUseCardQrcode();
      const fetchCardQrcodeSvg = jest.fn(async (): Promise<CardQrcodePoster> => {
        throw new Error('qrcode svg unavailable');
      });

      const result = await loadPoster('alex-vance', { fetchCardQrcodeSvg });

      expect(fetchCardQrcodeSvg).toHaveBeenCalledTimes(1);
      expect(result.svg).toBe('');
      expect(result.url).toBe('');
      expect(result.empty).toBe(false);
      expect(result.errorMessage).toBe('qrcode svg unavailable');
    });

    it('2.4 svg 为空时保留空串，不把 url 填进 svg', async () => {
      const { loadPoster } = loadUseCardQrcode();
      const fetchCardQrcodeSvg = jest.fn(async (): Promise<CardQrcodePoster> =>
        buildPoster({
          svg: '',
          url: 'https://omnicard.ai/c/alex-vance',
        })
      );

      const result = await loadPoster('alex-vance', { fetchCardQrcodeSvg });

      expect(result.svg).toBe('');
      expect(result.url).toBe('https://omnicard.ai/c/alex-vance');
      expect(result.empty).toBe(false);
      expect(result.errorMessage).toBe('');
    });
  });

  describe('3. copyPosterUrl 复制短链', () => {
    it('3.1 调用 uni.setClipboardData 并提示已复制', () => {
      const { copyPosterUrl } = loadUseCardQrcode();
      const ok = copyPosterUrl('https://omnicard.ai/c/alex-vance');

      expect(ok).toBe(true);
      expect(clipboardText).toBe('https://omnicard.ai/c/alex-vance');
      expect(toastCalls.length).toBeGreaterThan(0);
    });

    it('3.2 空 url 不写剪贴板', () => {
      const { copyPosterUrl } = loadUseCardQrcode();
      const ok = copyPosterUrl('  ');

      expect(ok).toBe(false);
      expect(clipboardText).toBe('');
    });
  });

  describe('4. savePosterToAlbum 仅相册 API 成功才提示已保存', () => {
    it('4.1 本地路径保存成功才 toast 已保存', async () => {
      const { savePosterToAlbum } = loadUseCardQrcode();
      toastCalls = [];

      const ok = await savePosterToAlbum('/tmp/local-poster.png');

      expect(ok).toBe(true);
      expect(saveAlbumCalls).toEqual([{ filePath: '/tmp/local-poster.png' }]);
      expect(
        toastCalls.some(t => SAVE_SUCCESS_TOAST_RE.test(t.title))
      ).toBe(true);
    });

    it('4.2 空图源不调用相册 API，不 toast 已保存', async () => {
      const { savePosterToAlbum } = loadUseCardQrcode();
      toastCalls = [];

      const ok = await savePosterToAlbum('   ');

      expect(ok).toBe(false);
      expect(saveAlbumCalls).toEqual([]);
      assertNoSaveSuccessToast(toastCalls);
    });

    it('4.3 纯 SVG 标记不可直接入库，不 toast 已保存', async () => {
      const { savePosterToAlbum } = loadUseCardQrcode();
      toastCalls = [];

      const ok = await savePosterToAlbum(
        '<svg xmlns="http://www.w3.org/2000/svg"><rect/></svg>'
      );

      expect(ok).toBe(false);
      expect(saveAlbumCalls).toEqual([]);
      assertNoSaveSuccessToast(toastCalls);
    });

    it('4.4 用户拒绝授权失败不 toast 已保存', async () => {
      const { savePosterToAlbum } = loadUseCardQrcode();
      saveAlbumMode = 'authDeny';
      toastCalls = [];

      const ok = await savePosterToAlbum('/tmp/local-poster.png');

      expect(ok).toBe(false);
      expect(saveAlbumCalls.length).toBe(1);
      assertNoSaveSuccessToast(toastCalls);
    });

    it('4.5 相册 API 失败不 toast 已保存', async () => {
      const { savePosterToAlbum } = loadUseCardQrcode();
      saveAlbumMode = 'fail';
      toastCalls = [];

      const ok = await savePosterToAlbum('/tmp/local-poster.png');

      expect(ok).toBe(false);
      expect(saveAlbumCalls.length).toBe(1);
      assertNoSaveSuccessToast(toastCalls);
    });

    it('4.6 远程图下载无 tempFilePath 时不调用相册且不报已保存', async () => {
      const { savePosterToAlbum } = loadUseCardQrcode();
      downloadMode = 'emptyPath';
      toastCalls = [];

      const ok = await savePosterToAlbum(
        'https://cdn.omnicard.ai/poster/alex.png'
      );

      expect(ok).toBe(false);
      expect(lastDownloadedUrl).toBe('https://cdn.omnicard.ai/poster/alex.png');
      expect(saveAlbumCalls).toEqual([]);
      assertNoSaveSuccessToast(toastCalls);
    });

    it('4.7 远程图下载失败不 toast 已保存', async () => {
      const { savePosterToAlbum } = loadUseCardQrcode();
      downloadMode = 'fail';
      toastCalls = [];

      const ok = await savePosterToAlbum(
        'https://cdn.omnicard.ai/poster/alex.png'
      );

      expect(ok).toBe(false);
      expect(saveAlbumCalls).toEqual([]);
      assertNoSaveSuccessToast(toastCalls);
    });

    it('4.8 远程图下载成功后再调相册，成功才提示已保存', async () => {
      const { savePosterToAlbum } = loadUseCardQrcode();
      toastCalls = [];

      const ok = await savePosterToAlbum(
        'https://cdn.omnicard.ai/poster/alex.png'
      );

      expect(ok).toBe(true);
      expect(lastDownloadedUrl).toBe('https://cdn.omnicard.ai/poster/alex.png');
      expect(saveAlbumCalls).toEqual([{ filePath: '/tmp/poster-qr.png' }]);
      expect(
        toastCalls.some(t => SAVE_SUCCESS_TOAST_RE.test(t.title))
      ).toBe(true);
    });
  });
});

describe('OmniCard AI 参展分享码海报页存在 (qrcode.uvue)', () => {
  it('页面文件存在，展示短链与单一复制 CTA', () => {
    expect(fs.existsSync(QRCODE_PAGE)).toBe(true);
    expect(fs.existsSync(QRCODE_UTS)).toBe(true);

    const pageSource = fs.readFileSync(QRCODE_PAGE, 'utf8');
    const logicSource = fs.readFileSync(QRCODE_UTS, 'utf8');
    const combined = `${pageSource}\n${logicSource}`;

    expect(pageSource.includes('script setup lang="uts"')).toBe(true);
    expect(pageSource.includes('getOmniText')).toBe(true);
    expect(pageSource.includes('primary-cta-btn')).toBe(true);
    expect(
      combined.includes('fetchCardQrcodeSvg') || combined.includes('loadPoster')
    ).toBe(true);
    expect(
      combined.includes('resolveSlugOrId') || pageSource.includes('slug')
    ).toBe(true);
    expect(
      combined.includes('setClipboardData') || combined.includes('copyPosterUrl')
    ).toBe(true);
    expect(pageSource.includes('state.url') || pageSource.includes('posterUrl')).toBe(
      true
    );
    expect(pageSource.includes('#0B5CFF')).toBe(true);
    expect(pageSource.includes('#F7F8FA')).toBe(true);
    expect(pageSource.includes('#101828')).toBe(true);
    expect(pageSource.includes('#667085')).toBe(true);
    expect(pageSource.includes('#E3E7ED')).toBe(true);
    expect(pageSource.includes('12px')).toBe(true);
    expect(pageSource.includes('16px')).toBe(true);
  });

  it('无 emoji、无 any，模板无硬编码中文主文案，仅一个主 CTA', () => {
    const pageSource = fs.readFileSync(QRCODE_PAGE, 'utf8');
    const logicSource = fs.readFileSync(QRCODE_UTS, 'utf8');
    const testSource = fs.readFileSync(__filename, 'utf8');
    const template = pageSource.split('<script')[0];

    expect(EMOJI_RE.test(pageSource)).toBe(false);
    expect(EMOJI_RE.test(logicSource)).toBe(false);
    expect(EMOJI_RE.test(testSource)).toBe(false);
    expect(pageSource.includes(': any') || pageSource.includes(' as any')).toBe(
      false
    );
    expect(logicSource.includes(': any') || logicSource.includes(' as any')).toBe(
      false
    );
    expect(/[\u4e00-\u9fff]/.test(template)).toBe(false);
    expect((pageSource.match(/primary-cta-btn/g) || []).length).toBeGreaterThan(0);
    expect((template.match(/<button/g) || []).length).toBe(1);
  });

  it('展台中间渲染真实 svg 图形：image 或 rich-text 绑定 state.svg', () => {
    const pageSource = fs.readFileSync(QRCODE_PAGE, 'utf8');
    const logicSource = fs.readFileSync(QRCODE_UTS, 'utf8');
    const template = pageSource.split('<script')[0];
    const slotMatch = template.match(
      /class="qrcode-slot"[\s\S]*?<\/view>\s*<!-- Micro Glow/
    );
    const slotBlock = slotMatch != null ? slotMatch[0] : '';

    expect(logicSource.includes('fetchCardQrcodeSvg')).toBe(true);
    expect(template.includes('class="qrcode-slot"')).toBe(true);
    expect(template.includes('<image')).toBe(true);
    expect(template.includes(':src="state.svg"')).toBe(true);
    expect(template.includes('<rich-text')).toBe(true);
    expect(template.includes(':nodes="state.svg"')).toBe(true);
    expect(slotBlock.includes(':src="state.url"')).toBe(false);
    expect(slotBlock.includes('{{ state.url }}')).toBe(false);
  });

  it('svg 为空或失败时显示空态提示，不画假码、不把 URL 当码图', () => {
    const pageSource = fs.readFileSync(QRCODE_PAGE, 'utf8');
    const logicSource = fs.readFileSync(QRCODE_UTS, 'utf8');
    const template = pageSource.split('<script')[0];

    expect(template.includes('qrcode-slot-hint')).toBe(true);
    expect(pageSource.includes('codeUnavailable')).toBe(true);
    expect(pageSource.includes('codePending')).toBe(true);
    expect(template.includes('qrcode-feedback') || pageSource.includes('empty')).toBe(
      true
    );
    expect(logicSource.includes("svg: ''")).toBe(true);
    expect(pageSource.includes('fake-qr')).toBe(false);
    expect(pageSource.includes('decorative-qr')).toBe(false);
    expect(pageSource.includes('placeholder-qr')).toBe(false);
    expect(/:src="state\.url"/.test(template)).toBe(false);
  });

  it('主 CTA 走 savePosterToAlbum，成功依赖 saveImageToPhotosAlbum，失败路径无已保存文案', () => {
    const pageSource = fs.readFileSync(QRCODE_PAGE, 'utf8');
    const logicSource = fs.readFileSync(QRCODE_UTS, 'utf8');

    expect(logicSource.includes('savePosterToAlbum')).toBe(true);
    expect(logicSource.includes('saveImageToPhotosAlbum')).toBe(true);
    expect(pageSource.includes('savePosterToAlbum')).toBe(true);
    expect(pageSource.includes('handlePrimaryCta')).toBe(true);
    expect(logicSource.includes("resolveQrcodeText('saveSuccess')")).toBe(true);
    expect(logicSource.includes("resolveQrcodeText('saveFailed')")).toBe(true);
    expect(logicSource.includes("resolveQrcodeText('saveUnavailable')")).toBe(
      true
    );

    const successIdx = logicSource.indexOf("resolveQrcodeText('saveSuccess')");
    const albumIdx = logicSource.indexOf('uni.saveImageToPhotosAlbum');
    expect(albumIdx).toBeGreaterThan(-1);
    expect(successIdx).toBeGreaterThan(albumIdx);

    const albumFailIdx = logicSource.indexOf('fail:', albumIdx);
    expect(albumFailIdx).toBeGreaterThan(successIdx);
    const albumFailBody = logicSource.slice(albumFailIdx, albumFailIdx + 120);
    expect(albumFailBody.includes('toastSaveFailed')).toBe(true);
    expect(albumFailBody.includes('saveSuccess')).toBe(false);
    expect(SAVE_SUCCESS_TOAST_RE.test(albumFailBody)).toBe(false);

    const downloadIdx = logicSource.indexOf('uni.downloadFile');
    expect(downloadIdx).toBeGreaterThan(-1);
    const downloadFailIdx = logicSource.indexOf('fail:', downloadIdx);
    expect(downloadFailIdx).toBeGreaterThan(downloadIdx);
    const downloadFailBody = logicSource.slice(
      downloadFailIdx,
      downloadFailIdx + 80
    );
    expect(downloadFailBody.includes('saveSuccess')).toBe(false);
    expect(SAVE_SUCCESS_TOAST_RE.test(downloadFailBody)).toBe(false);
  });
});