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

describe('SkeletonScreen Architecture (TDD 骨架屏流光扫描与首屏加载体验门禁)', () => {
  const rootDir = path.resolve(__dirname, '../../');
  const skeletonComponentPath = path.join(rootDir, 'pwuniapp/components/SkeletonScreen.vue');

  const pagePaths = {
    index: path.join(rootDir, 'pwuniapp/pages/index/index.vue'),
    activity: path.join(rootDir, 'pwuniapp/pages/activity/list.vue'),
    community: path.join(rootDir, 'pwuniapp/pages/community/index.vue'),
    expert: path.join(rootDir, 'pwuniapp/pages/expert/detail.vue')
  };

  describe('1. 骨架屏公共组件规范性验证 (SkeletonScreen.vue)', () => {
    it('SkeletonScreen.vue 文件必须存在且格式有效', () => {
      expect(fs.existsSync(skeletonComponentPath)).toBe(true);
      const content = fs.readFileSync(skeletonComponentPath, 'utf-8');
      expect(content.length).toBeGreaterThan(100);
    });

    it('必须支持四大核心业务形态：home、activity、community、expert', () => {
      const content = fs.readFileSync(skeletonComponentPath, 'utf-8');
      expect(content).toContain("type === 'home'");
      expect(content).toContain("type === 'activity'");
      expect(content).toContain("type === 'community'");
      expect(content).toContain("type === 'expert'");
    });

    it('必须包含纯 CSS 骨架扫光动画与流光渐变关键帧', () => {
      const content = fs.readFileSync(skeletonComponentPath, 'utf-8');
      expect(content).toContain('skeletonShimmer');
      expect(content).toContain('@keyframes skeletonShimmer');
      expect(content).toContain('skeleton-shimmer');
    });

    it('必须完整支持双主题系统 (暗夜冷光与 theme-warm 浅色暖光)', () => {
      const content = fs.readFileSync(skeletonComponentPath, 'utf-8');
      expect(content).toContain('themeClass');
      expect(content).toContain('.theme-warm');
    });

    it('骨架屏组件必须严格遵循零 Emoji 门禁规范', () => {
      const content = fs.readFileSync(skeletonComponentPath, 'utf-8');
      const emojiRegex = /[\u{1F300}-\u{1F9FF}\u{2600}-\u{26FF}\u{2700}-\u{27BF}]/u;
      expect(emojiRegex.test(content)).toBe(false);
    });
  });

  describe('2. 四大核心业务页面骨架屏接入门禁', () => {
    it('首页 (index.vue) 必须引入 SkeletonScreen 并配置 home 骨架屏与 isLoading 状态机', () => {
      const content = fs.readFileSync(pagePaths.index, 'utf-8');
      expect(content).toContain('SkeletonScreen');
      expect(content).toContain('<skeleton-screen');
      expect(content).toContain('type="home"');
      expect(content).toContain('isLoading');
    });

    it('活动大厅 (activity/list.vue) 必须引入 SkeletonScreen 并配置 activity 骨架屏与 isLoading 状态机', () => {
      const content = fs.readFileSync(pagePaths.activity, 'utf-8');
      expect(content).toContain('SkeletonScreen');
      expect(content).toContain('<skeleton-screen');
      expect(content).toContain('type="activity"');
      expect(content).toContain('isLoading');
    });

    it('友圈广场 (community/index.vue) 必须引入 SkeletonScreen 并配置 community 骨架屏与 isLoading 状态机', () => {
      const content = fs.readFileSync(pagePaths.community, 'utf-8');
      expect(content).toContain('SkeletonScreen');
      expect(content).toContain('<skeleton-screen');
      expect(content).toContain('type="community"');
      expect(content).toContain('isLoading');
    });

    it('大神主页 (expert/detail.vue) 必须引入 SkeletonScreen 并配置 expert 骨架屏与 isLoading 状态机', () => {
      const content = fs.readFileSync(pagePaths.expert, 'utf-8');
      expect(content).toContain('SkeletonScreen');
      expect(content).toContain('<skeleton-screen');
      expect(content).toContain('type="expert"');
      expect(content).toContain('isLoading');
    });
  });
});