import { describe, it, expect, jest } from '@jest/globals';
import { render, screen } from '@testing-library/react';
import '@testing-library/jest-dom';
import HomeContentV15 from './home-content-v15';

jest.mock('framer-motion', () => ({
  motion: {
    div: ({ children, initial, animate, className, style, ...props }: any) => (
      <div
        data-testid="motion-div"
        data-initial={JSON.stringify(initial)}
        data-animate={JSON.stringify(animate)}
        className={className}
        style={style}
        {...props}
      >
        {children}
      </div>
    ),
    h1: ({ children, className, ...props }: any) => (
      <h1 data-testid="motion-h1" className={className} {...props}>{children}</h1>
    ),
    p: ({ children, className, ...props }: any) => (
      <p data-testid="motion-p" className={className} {...props}>{children}</p>
    ),
    span: ({ children, className, ...props }: any) => (
      <span data-testid="motion-span" className={className} {...props}>{children}</span>
    ),
    a: ({ children, href, className, ...props }: any) => (
      <a href={href} className={className} data-testid="motion-a" {...props}>{children}</a>
    ),
  },
  useInView: jest.fn(() => true),
  AnimatePresence: ({ children }: any) => <>{children}</>,
}));

jest.mock('next/image', () => ({
  __esModule: true,
  default: ({ src, alt, className }: any) => (
    // eslint-disable-next-line @next/next/no-img-element
    <img src={src} alt={alt} className={className} data-testid="mock-next-image" />
  ),
}));

jest.mock('@/components/ui/scroll-reveal', () => ({
  ScrollReveal: ({ children, className }: any) => (
    <div data-testid="scroll-reveal" className={className}>{children}</div>
  ),
  StaggerReveal: ({ children, className }: any) => (
    <div data-testid="stagger-reveal" className={className}>{children}</div>
  ),
}));

jest.mock('@/components/ui/badge', () => ({
  Badge: ({ children, className }: any) => (
    <span data-testid="mock-badge" className={className}>{children}</span>
  ),
}));

jest.mock('lucide-react', () => {
  const mockIcon = (name: string) => {
    const Icon = (props: any) => <svg data-testid={`icon-${name.toLowerCase()}`} className={props.className} />;
    Icon.displayName = name;
    return Icon;
  };
  return {
    ArrowRight: mockIcon('arrow-right'),
    ArrowUpRight: mockIcon('arrow-up-right'),
    ArrowDownRight: mockIcon('arrow-down-right'),
    Lightbulb: mockIcon('lightbulb'),
    Database: mockIcon('database'),
    Layers: mockIcon('layers'),
    Code: mockIcon('code'),
    Puzzle: mockIcon('puzzle'),
    Server: mockIcon('server'),
    Quote: mockIcon('quote'),
    Newspaper: mockIcon('newspaper'),
    Calendar: mockIcon('calendar'),
    LayoutDashboard: mockIcon('layout-dashboard'),
    BarChart3: mockIcon('bar-chart3'),
    Package: mockIcon('package'),
    Users: mockIcon('users'),
    Settings: mockIcon('settings'),
    Search: mockIcon('search'),
    Bell: mockIcon('bell'),
    TrendingUp: mockIcon('trending-up'),
    AlertCircle: mockIcon('alert-circle'),
  };
});

describe('HomeContentV15 - 浅色 Hero（暗黑模式 token 友好）', () => {
  it('does not repeat the brand logo inside the hero (dedup with header)', () => {
    render(<HomeContentV15 />);

    const hero = screen.getByTestId('hero-section');
    expect(hero).toBeInTheDocument();
    // hero 内不应再有 Logo（导航栏已展示，避免重复）；slogan badge 保留
    expect(hero.querySelector('img')).toBeNull();
  });

  it('mounts the brand-red dynamic particle layer (continuous drift loop)', () => {
    render(<HomeContentV15 />);

    const hero = screen.getByTestId('hero-section');
    const particles = screen.getByTestId('hero-particle-field');
    expect(particles.tagName).toBe('CANVAS');
    expect(particles).toHaveAttribute('aria-hidden', 'true');
    expect(hero.contains(particles)).toBe(true);
  });

  it('keeps a single primary CTA and demotes the secondary action to a text link', () => {
    render(<HomeContentV15 />);

    expect(screen.getByTestId('hero-primary-cta')).toBeInTheDocument();
    expect(screen.getByTestId('hero-primary-cta')).toHaveAttribute('href', '/contact');
    expect(screen.getByTestId('hero-secondary-link')).toBeInTheDocument();
  });

  it('keeps hero declaration-first: stats sink out of hero into the results band', () => {
    render(<HomeContentV15 stats={[{ value: '100%', label: '私有化部署' }]} />);

    const hero = screen.getByTestId('hero-section');
    // 声明先行：hero 内不再内联数据条（一屏只负责一句话声明 + 一个行动）
    expect(hero.querySelector('[data-testid="hero-stats"]')).toBeNull();
    // 数据下沉为独立成果带，仍渲染（Glance 层滚动触发）
    expect(screen.getByTestId('hero-stats')).toBeInTheDocument();
  });

});

describe('HomeContentV15 - 信任层与章节式叙事', () => {
  it('renders verifiable trust signals with a source annotation', () => {
    render(<HomeContentV15 />);

    expect(screen.getByTestId('trust-section')).toBeInTheDocument();
    expect(screen.getByText('100%')).toBeInTheDocument();
    expect(screen.getByText('成都')).toBeInTheDocument();
    // 可验证来源标注存在（每个数据卡一个）
    expect(screen.getAllByText(/数据来源：/i).length).toBeGreaterThanOrEqual(4);
  });

  it('renders an early-access co-creation label instead of fabricated testimonials', () => {
    render(<HomeContentV15 />);

    expect(screen.getByTestId('early-access-banner')).toBeInTheDocument();
    expect(screen.getAllByText('首批客户共创中').length).toBeGreaterThanOrEqual(1);
  });

  it('renders the problem-method-result narrative with chapter numbers', () => {
    render(<HomeContentV15 />);

    expect(screen.getByTestId('narrative-section')).toBeInTheDocument();
    expect(screen.getAllByText('01').length).toBeGreaterThanOrEqual(1);
    expect(screen.getAllByText('02').length).toBeGreaterThanOrEqual(1);
    expect(screen.getAllByText('03').length).toBeGreaterThanOrEqual(1);
    expect(screen.getAllByText(/从问题到结果/).length).toBeGreaterThan(0);
  });
});

describe('HomeContentV15 - 行业洞察区（对标 Accenture Insights）', () => {
  it('renders the insights pillar with typed tags and verifiable methodology content', () => {
    render(<HomeContentV15 />);

    expect(screen.getByTestId('insights-section')).toBeInTheDocument();
    // 类型标签（对标 Research Report / Perspective / Case Study）
    expect(screen.getAllByText('方法论').length).toBeGreaterThanOrEqual(2);
    expect(screen.getByText('观点')).toBeInTheDocument();
    // 全部链接真实页面，不虚构研究报告
    expect(screen.getByText('数字化转型诊断：从哪里开始，如何衡量')).toBeInTheDocument();
  });
});

describe('HomeContentV15 - 创始人观点区（对标 Accenture CEO Quote）', () => {
  it('renders the founder quote with attribution (no fabricated persona)', () => {
    render(<HomeContentV15 />);

    expect(screen.getByTestId('founder-quote-section')).toBeInTheDocument();
    expect(screen.getByText(/数字化不是一次性项目/)).toBeInTheDocument();
    expect(screen.getByText('Novalon 创始团队')).toBeInTheDocument();
  });
});

describe('HomeContentV15 - 新闻动态区（对标 Accenture News）', () => {
  it('renders the news section with latest items and a view-all entry', () => {
    render(<HomeContentV15 />);

    expect(screen.getByTestId('news-section')).toBeInTheDocument();
    expect(screen.getByText('四川睿新致远科技有限公司正式成立')).toBeInTheDocument();
    expect(screen.getByText('查看全部新闻')).toBeInTheDocument();
  });

  it('renders CMS-provided news when available', () => {
    render(<HomeContentV15 news={[{
      id: 'cms-news-1',
      title: 'CMS 新闻条目',
      excerpt: 'CMS 提供的新闻摘要',
      date: '2026-08-30',
      category: '研发动态',
      image: '',
      content: '',
    }]} />);

    expect(screen.getByText('CMS 新闻条目')).toBeInTheDocument();
  });
});

describe('HomeContentV15 - 案例区 Client Spotlight（对标 Accenture Client Spotlight）', () => {
  it('renders a co-creation spotlight card (verifiable, no fabricated clients) when no cases exist', () => {
    render(<HomeContentV15 />);

    // 空态 spotlight：共创流程 3 步 + 深色卡 CTA
    expect(screen.getAllByText('首批客户共创中').length).toBeGreaterThanOrEqual(1);
    expect(screen.getAllByText('业务诊断').length).toBeGreaterThanOrEqual(1);
    expect(screen.getByText('方案共创')).toBeInTheDocument();
    expect(screen.getByText('验证发布')).toBeInTheDocument();
    expect(screen.getAllByText('01').length).toBeGreaterThanOrEqual(1);
    expect(screen.getByTestId('cases-co-creation-cta')).toHaveAttribute('href', '/contact');
  });

  it('renders a dark spotlight card with metrics for the featured case when data exists', () => {
    const mockCases = [
      {
        slug: 'spotlight-demo',
        industry: '制造业',
        title: 'Spotlight 案例标题',
        href: '/cases/spotlight-demo',
        verified: true,
        testimonial: {
          quote: '这是一段客户引言，用于验证 spotlight 渲染。',
          author: '客户 CIO',
          role: '某制造企业',
        },
        metrics: [
          { value: '38%', label: '交付效率提升' },
          { value: '2x', label: '数据查询提速' },
          { value: '3周', label: '上线周期' },
        ],
      },
      {
        slug: 'secondary-case',
        industry: '贸易零售',
        title: '次要案例标题',
        href: '/cases/secondary-case',
        metrics: [
          { value: '15%', label: '库存周转改善' },
          { value: '4h', label: '对账耗时' },
          { value: '9成', label: '预测准确率' },
        ],
      },
    ];

    render(<HomeContentV15 cases={mockCases as any} />);

    // spotlight 大卡：深色画布 + 引言 + 授权 badge + 量化指标
    expect(screen.getByText('Spotlight 案例标题')).toBeInTheDocument();
    expect(screen.getByText('这是一段客户引言，用于验证 spotlight 渲染。')).toBeInTheDocument();
    expect(screen.getByText('已获客户授权')).toBeInTheDocument();
    expect(screen.getByText('38%')).toBeInTheDocument();
    expect(screen.getByText('查看完整案例')).toBeInTheDocument();

    // 次要案例保持轻量卡片
    expect(screen.getByText('次要案例标题')).toBeInTheDocument();
    expect(screen.getAllByText('了解详情').length).toBeGreaterThanOrEqual(1);
  });
});