import '@testing-library/jest-dom';
import { GET } from '@/app/sitemap.xml/route';
import { mockFetch } from '@/app/__tests__/__mocks__/mock-fetch-sitemap';

jest.mock('next/server', () => ({
  NextResponse: jest.fn().mockImplementation(function (body, init) {
    // eslint-disable-next-line no-invalid-this
    this.body = body;
    // eslint-disable-next-line no-invalid-this
    this.init = init;
  }),
}));

// Sitemap XML used by node-fetch mock
const sitemapXml = `
  <urlset xmlns="https://www.sitemaps.org/schemas/sitemap/0.9">
    <url>
      <loc>https://dki.one/</loc>
    </url>
    <url>
      <loc>https://dki.one/legal-notice</loc>
    </url>
    <url>
      <loc>https://dki.one/privacy-policy</loc>
    </url>
    <url>
      <loc>https://dki.one/projects/just-doing-some-testing</loc>
    </url>
    <url>
      <loc>https://dki.one/projects/blockchain-based-voting-system</loc>
    </url>
  </urlset>
`;

// Mock node-fetch for sitemap endpoint (hoisted by Jest)
jest.mock('node-fetch', () => ({
  __esModule: true,
  default: jest.fn((url: string) => Promise.resolve({ ok: true, text: () => Promise.resolve(sitemapXml) })),
}));

describe('Sitemap Component', () => {
  beforeAll(() => {
    process.env.NEXT_PUBLIC_BASE_URL = 'https://dki.one';

    // Provide sitemap XML directly so route uses it without fetching
    process.env.GHOST_MOCK_SITEMAP = sitemapXml;

    // Mock global.fetch too, to avoid any network calls
    global.fetch = jest.fn().mockImplementation((url: string) => {
      if (url.includes('/api/sitemap')) {
        return Promise.resolve({ ok: true, text: () => Promise.resolve(sitemapXml) });
      }
      return Promise.reject(new Error(`Unknown URL: ${url}`));
    });
  });

  it('should render the sitemap XML', async () => {
    const response = await GET();

    expect(response.body).toContain('<urlset xmlns="https://www.sitemaps.org/schemas/sitemap/0.9">');
    expect(response.body).toContain('<loc>https://dki.one/</loc>');
    expect(response.body).toContain('<loc>https://dki.one/legal-notice</loc>');
    expect(response.body).toContain('<loc>https://dki.one/privacy-policy</loc>');
    expect(response.body).toContain('<loc>https://dki.one/projects/just-doing-some-testing</loc>');
    expect(response.body).toContain('<loc>https://dki.one/projects/blockchain-based-voting-system</loc>');
    // Note: Headers are not available in test environment
  });
});