import { describe, it } from 'node:test';
import assert from 'node:assert/strict';
import { extractFacebookLinks } from '../src/platforms/facebook-search.service.js';
import { FacebookSearchService } from '../src/platforms/facebook-search.service.js';

describe('extractFacebookLinks', () => {
  it('extracts profile URLs, dedups, skips junk paths', () => {
    const html = `
      <a href="https://www.facebook.com/nasa/">NASA</a>
      <a href="https://www.facebook.com/nasa">dup</a>
      <a href="https://facebook.com/sharer/sharer.php">share</a>
      <a href="https://m.facebook.com/esa/">ESA</a>
      <a href="https://example.com/nasa">other</a>`;
    const out = extractFacebookLinks(html, 'ddg');
    assert.deepEqual(
      out.map((r) => r.url),
      ['https://www.facebook.com/nasa', 'https://m.facebook.com/esa'],
    );
    assert.ok(out.every((r) => r.source === 'ddg'));
  });

  it('returns empty for no matches', () => {
    assert.deepEqual(extractFacebookLinks('<p>nothing</p>', 'google'), []);
  });
});

describe('FacebookSearchService.search', () => {
  it('rejects multi-word usernames without fetching', async () => {
    const svc = new FacebookSearchService();
    const out = (await svc.search('two words')) as any;
    assert.equal(out.found, false);
  });

  it('merges ddg + google, dedups by url', async () => {
    const svc = new FacebookSearchService();
    const real = globalThis.fetch;
    (globalThis as any).fetch = async (url: string) => ({
      ok: true,
      text: async () =>
        url.includes('duckduckgo')
          ? '<a href="https://facebook.com/nasa">a</a>'
          : '<a href="https://facebook.com/nasa">a</a><a href="https://facebook.com/esa">b</a>',
    });
    try {
      const out = (await svc.search('nasa')) as any;
      assert.equal(out.found, true);
      assert.equal(out.results.length, 2);
    } finally {
      globalThis.fetch = real;
    }
  });
});