class LanguageTest

class LanguageTest extends CKEditor5TestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'language',
        'locale',
    ];
    
    /**
     * Integration test to ensure that CKEditor 5 UI translations are loaded.
     *
     * @param string $langcode
     *   The language code.
     * @param string $toolbar_item_name
     *   The CKEditor 5 plugin to enable.
     * @param string $toolbar_item_translation
     *   The expected translation for CKEditor 5 plugin toolbar button.
     *
     * @dataProvider provider
     */
    public function test(string $langcode, string $toolbar_item_name, string $toolbar_item_translation) : void {
        $page = $this->getSession()
            ->getPage();
        $assert_session = $this->assertSession();
        $this->createNewTextFormat($page, $assert_session);
        // Special case: textPartLanguage toolbar item can only create `<span lang>`
        // but not `<span>`. The purpose of this test is to test translations, not
        // the configuration of the textPartLanguage functionality. So, make sure
        // that `<span>` can be created so we can test how UI translations work when
        // using `textPartLanguage`.
        if ($toolbar_item_name === 'textPartLanguage') {
            $this->assertNotEmpty($assert_session->waitForElement('css', '.ckeditor5-toolbar-item-sourceEditing'));
            $this->triggerKeyUp('.ckeditor5-toolbar-item-sourceEditing', 'ArrowDown');
            $assert_session->assertWaitOnAjaxRequest();
            // The Source Editing plugin settings form should now be present and should
            // have no allowed tags configured.
            $page->clickLink('Source editing');
            $this->assertNotNull($assert_session->waitForElementVisible('css', '[data-drupal-selector="edit-editor-settings-plugins-ckeditor5-sourceediting-allowed-tags"]'));
            $javascript = <<<JS
        const allowedTags = document.querySelector('[data-drupal-selector="edit-editor-settings-plugins-ckeditor5-sourceediting-allowed-tags"]');
        allowedTags.value = '<span>';
        allowedTags.dispatchEvent(new Event('input'));
JS;
            $this->getSession()
                ->executeScript($javascript);
        }
        $this->assertNotEmpty($assert_session->waitForElement('css', ".ckeditor5-toolbar-item-{$toolbar_item_name}"));
        $this->triggerKeyUp(".ckeditor5-toolbar-item-{$toolbar_item_name}", 'ArrowDown');
        $assert_session->assertWaitOnAjaxRequest();
        $this->saveNewTextFormat($page, $assert_session);
        ConfigurableLanguage::createFromLangcode($langcode)->save();
        $this->config('system.site')
            ->set('default_langcode', $langcode)
            ->save();
        $this->drupalGet('node/add');
        $this->assertNotEmpty($assert_session->waitForElement('css', '.ck-editor'));
        // Ensure that blockquote button is translated.
        $assert_session->elementExists('xpath', "//span[text()='{$toolbar_item_translation}']");
    }
    
    /**
     * Data provider for ensuring CKEditor 5 UI translations are loaded.
     *
     * @return string[][]
     */
    public static function provider() : array {
        return [
            'Language code both in Drupal and CKEditor' => [
                'langcode' => 'th',
                'toolbar_item_name' => 'blockQuote',
                'toolbar_item_translation' => 'คำพูดบล็อก',
            ],
            'Language code transformed from browser mappings' => [
                'langcode' => 'zh-hans',
                'toolbar_item_name' => 'blockQuote',
                'toolbar_item_translation' => '块引用',
            ],
            'Language configuration conflict' => [
                'langcode' => 'fr',
                'toolbar_item_name' => 'textPartLanguage',
                // cSpell:disable-next-line
'toolbar_item_translation' => 'Choisir la langue',
            ],
        ];
    }

}