class TestHelpSection

class TestHelpSection extends HelpSectionPluginBase implements SearchableHelpInterface {
  
  /**
   * {@inheritdoc}
   */
  public function listTopics() {
    return [
      Link::fromTextAndUrl('Foo', Url::fromUri('https://foo.com')),
      Link::fromTextAndUrl('Bar', Url::fromUri('https://bar.com')),
    ];
  }
  
  /**
   * {@inheritdoc}
   */
  public function listSearchableTopics() {
    return [
      'foo',
      'bar',
    ];
  }
  
  /**
   * {@inheritdoc}
   */
  public function renderTopicForSearch($topic_id, LanguageInterface $language) {
    switch ($topic_id) {
      case 'foo':
        if ($language->getId() == 'en') {
          return [
            'title' => 'Foo in English title wcsrefsdf',
            'text' => 'Something about foo body not-a-word-english sqruct',
            'url' => Url::fromUri('https://foo.com'),
          ];
        }
        return [
          'title' => 'Foomm Foreign heading',
          'text' => 'Fake foreign foo text not-a-word-german asdrsad',
          'url' => Url::fromUri('https://mm.foo.com'),
        ];
      case 'bar':
        if ($language->getId() == 'en') {
          return [
            'title' => 'Bar in English',
            'text' => 'Something about bar another-word-english asdrsad',
            'url' => Url::fromUri('https://bar.com'),
          ];
        }
        return [
          'title' => \Drupal::state()->get('help_topics_test:translated_title', 'Barmm Foreign sdeeeee'),
          'text' => 'Fake foreign barmm another-word-german sqruct',
          'url' => Url::fromUri('https://mm.bar.com'),
        ];
      default:
        throw new \InvalidArgumentException('Unexpected ID encountered');
    }
  }

}