import React from 'react';
import { describe, expect, it, vi } from 'vitest';
import { render } from '@testing-library/react';

const page = {
  url: '/de/kontakt',
  props: {
    locale: 'de',
    supportedLocales: ['de', 'en'],
    appUrl: 'https://fotospiel.app',
    translations: {
      marketing: {
        title: 'Fotospiel',
        description: 'Sammle Gastfotos für Events mit QR-Codes',
      },
    },
    auth: {},
  },
};

vi.mock('react-i18next', () => ({
  useTranslation: () => ({
    t: (key: string, fallback?: string | { defaultValue?: unknown }) => {
      if (typeof fallback === 'string') {
        return fallback;
      }
      if (fallback && typeof fallback === 'object' && 'defaultValue' in fallback) {
        return fallback.defaultValue;
      }
      return key;
    },
    i18n: {
      language: 'de',
      changeLanguage: vi.fn(),
    },
    ready: true,
  }),
}));

vi.mock('@inertiajs/react', async () => {
  const ReactModule = await import('react');
  const ReactDom = await import('react-dom');
  return {
    Head: ({ children }: { children?: React.ReactNode }) =>
      ReactDom.createPortal(children, document.head),
    Link: ({ children, href }: { children: React.ReactNode; href: string }) => (
      <a href={href}>{children}</a>
    ),
    router: {
      post: vi.fn(),
      visit: vi.fn(),
    },
    usePage: () => page,
  };
});

vi.mock('@/components/analytics/MatomoTracker', () => ({
  default: () => null,
}));

vi.mock('@/layouts/app/Footer', () => ({
  default: () => null,
}));

vi.mock('@/hooks/use-appearance', () => ({
  useAppearance: () => ({
    appearance: 'light',
    updateAppearance: vi.fn(),
  }),
}));

vi.mock('@/components/ui/button', () => ({
  Button: ({ children }: { children: React.ReactNode }) => <button type="button">{children}</button>,
}));

vi.mock('@/components/ui/dropdown-menu', () => ({
  DropdownMenu: ({ children }: { children: React.ReactNode }) => <div>{children}</div>,
  DropdownMenuContent: ({ children }: { children: React.ReactNode }) => <div>{children}</div>,
  DropdownMenuItem: ({ children }: { children: React.ReactNode }) => <div>{children}</div>,
  DropdownMenuLabel: ({ children }: { children: React.ReactNode }) => <div>{children}</div>,
  DropdownMenuRadioGroup: ({ children }: { children: React.ReactNode }) => <div>{children}</div>,
  DropdownMenuRadioItem: ({ children }: { children: React.ReactNode }) => <div>{children}</div>,
  DropdownMenuSeparator: () => <div />,
  DropdownMenuTrigger: ({ children }: { children: React.ReactNode }) => <div>{children}</div>,
}));

vi.mock('react-hot-toast', () => ({
  default: {
    success: vi.fn(),
  },
}));

vi.mock('lucide-react', () => ({
  MoreHorizontal: () => null,
  Sun: () => null,
  Moon: () => null,
  Languages: () => null,
  LayoutDashboard: () => null,
  LogOut: () => null,
  LogIn: () => null,
}));

import MarketingLayout from '../mainWebsite';

describe('MarketingLayout SEO tags', () => {
  it('renders canonical and hreflang links for the active locale', () => {
    page.url = '/de/kontakt';
    page.props.locale = 'de';

    render(
      <MarketingLayout title="Kontakt">
        <div>Test</div>
      </MarketingLayout>
    );

    const canonical = document.head.querySelector('link[rel="canonical"]');
    const alternateDe = document.head.querySelector('link[rel="alternate"][hreflang="de"]');
    const alternateEn = document.head.querySelector('link[rel="alternate"][hreflang="en"]');
    const alternateDefault = document.head.querySelector('link[rel="alternate"][hreflang="x-default"]');

    expect(canonical).toHaveAttribute('href', 'https://fotospiel.app/de/kontakt');
    expect(alternateDe).toHaveAttribute('href', 'https://fotospiel.app/de/kontakt');
    expect(alternateEn).toHaveAttribute('href', 'https://fotospiel.app/en/contact');
    expect(alternateDefault).toHaveAttribute('href', 'https://fotospiel.app/de/kontakt');
  });

  it('preserves query params and rewrites localized slugs across locales', () => {
    page.url = '/en/contact?ref=ad';
    page.props.locale = 'en';

    render(
      <MarketingLayout title="Contact">
        <div>Test</div>
      </MarketingLayout>
    );

    const canonical = document.head.querySelector('link[rel="canonical"]');
    const alternateDe = document.head.querySelector('link[rel="alternate"][hreflang="de"]');
    const alternateEn = document.head.querySelector('link[rel="alternate"][hreflang="en"]');
    const alternateDefault = document.head.querySelector('link[rel="alternate"][hreflang="x-default"]');

    expect(canonical).toHaveAttribute('href', 'https://fotospiel.app/en/contact?ref=ad');
    expect(alternateEn).toHaveAttribute('href', 'https://fotospiel.app/en/contact?ref=ad');
    expect(alternateDe).toHaveAttribute('href', 'https://fotospiel.app/de/kontakt?ref=ad');
    expect(alternateDefault).toHaveAttribute('href', 'https://fotospiel.app/de/kontakt?ref=ad');
  });
});