class CKEditorIntegrationTest

class CKEditorIntegrationTest extends WebDriverTestBase {
    use CKEditorTestTrait;
    use CKEditorAdminSortTrait;
    use MediaTypeCreationTrait;
    use TestFileCreationTrait;
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'classy';
    
    /**
     * The user to use during testing.
     *
     * @var \Drupal\user\UserInterface
     */
    protected $user;
    
    /**
     * The media item to embed.
     *
     * @var \Drupal\media\MediaInterface
     */
    protected $media;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'ckeditor',
        'media_library',
        'node',
        'text',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        FilterFormat::create([
            'format' => 'test_format',
            'name' => 'Test format',
            'filters' => [
                'media_embed' => [
                    'status' => TRUE,
                ],
            ],
        ])->save();
        Editor::create([
            'editor' => 'ckeditor',
            'format' => 'test_format',
            'settings' => [
                'toolbar' => [
                    'rows' => [
                        [
                            [
                                'name' => 'Main',
                                'items' => [
                                    'Source',
                                    'Undo',
                                    'Redo',
                                ],
                            ],
                        ],
                        [
                            [
                                'name' => 'Embeds',
                                'items' => [
                                    'DrupalMediaLibrary',
                                ],
                            ],
                        ],
                    ],
                ],
            ],
        ])->save();
        $this->drupalCreateContentType([
            'type' => 'blog',
        ]);
        // Note that media_install() grants 'view media' to all users by default.
        $this->user = $this->drupalCreateUser([
            'use text format test_format',
            'access media overview',
            'create blog content',
        ]);
        // Create a media type that starts with the letter a, to test tab order.
        $this->createMediaType('image', [
            'id' => 'arrakis',
            'label' => 'Arrakis',
        ]);
        // Create a sample media entity to be embedded.
        $this->createMediaType('image', [
            'id' => 'image',
            'label' => 'Image',
        ]);
        File::create([
            'uri' => $this->getTestFiles('image')[0]->uri,
        ])
            ->save();
        $this->media = Media::create([
            'bundle' => 'image',
            'name' => 'Fear is the mind-killer',
            'field_media_image' => [
                [
                    'target_id' => 1,
                    'alt' => 'default alt',
                    'title' => 'default title',
                ],
            ],
        ]);
        $this->media
            ->save();
        $arrakis_media = Media::create([
            'bundle' => 'arrakis',
            'name' => 'Le baron Vladimir Harkonnen',
            'field_media_image' => [
                [
                    'target_id' => 1,
                    'alt' => 'Il complote pour détruire le duc Leto',
                    'title' => 'Il complote pour détruire le duc Leto',
                ],
            ],
        ]);
        $arrakis_media->save();
        $this->drupalLogin($this->user);
    }
    
    /**
     * Tests validation that DrupalMediaLibrary requires media_embed filter.
     */
    public function testConfigurationValidation() {
        $page = $this->getSession()
            ->getPage();
        $assert_session = $this->assertSession();
        $admin_user = $this->drupalCreateUser([
            'access administration pages',
            'administer site configuration',
            'administer filters',
        ]);
        $this->drupalLogin($admin_user);
        $this->drupalGet('/admin/config/content/formats/manage/test_format');
        $page->uncheckField('filters[media_embed][status]');
        $page->pressButton('Save configuration');
        $assert_session->pageTextContains('The Embed media filter must be enabled to use the Insert from Media Library button.');
        $page->checkField('filters[media_embed][status]');
        $page->pressButton('Save configuration');
        $assert_session->pageTextContains('The text format Test format has been updated.');
        // Now test adding a new format.
        $this->drupalGet('/admin/config/content/formats/add');
        $page->fillField('name', 'Sulaco');
        // Wait for machine name to be filled in.
        $this->assertNotEmpty($assert_session->waitForText('sulaco'));
        $page->checkField('roles[authenticated]');
        $page->selectFieldOption('editor[editor]', 'ckeditor');
        $targetSelector = 'ul.ckeditor-toolbar-group-buttons';
        $buttonSelector = 'li[data-drupal-ckeditor-button-name="DrupalMediaLibrary"]';
        $this->assertNotEmpty($target = $assert_session->waitForElementVisible('css', $targetSelector));
        $this->assertNotEmpty($button = $assert_session->elementExists('css', $buttonSelector));
        $this->sortableTo($buttonSelector, 'ul.ckeditor-available-buttons', $targetSelector);
        $page->pressButton('Save configuration');
        $assert_session->pageTextContains('The Embed media filter must be enabled to use the Insert from Media Library button.');
        $page->checkField('filters[media_embed][status]');
        $page->pressButton('Save configuration');
        $assert_session->pageTextContains('Added text format Sulaco.');
        // Test that when adding the DrupalMediaLibrary button to the editor the
        // correct attributes are added to the <drupal-media> tag in the Allowed
        // HTML tags.
        $this->drupalGet('/admin/config/content/formats/manage/sulaco');
        $page->checkField('filters[filter_html][status]');
        $expected = 'drupal-media data-entity-type data-entity-uuid data-view-mode data-align data-caption alt title';
        $allowed_html = $assert_session->fieldExists('filters[filter_html][settings][allowed_html]')
            ->getValue();
        $this->assertStringContainsString($expected, $allowed_html);
        $page->pressButton('Save configuration');
        $assert_session->pageTextContains('The text format Sulaco has been updated.');
        // Test that the config form allows removing non-required attributes from
        // the <drupal-media> tag.
        $this->drupalGet('/admin/config/content/formats/manage/sulaco');
        $allowed_html_field = $assert_session->fieldExists('filters[filter_html][settings][allowed_html]');
        $allowed_html = $allowed_html_field->getValue();
        $search = 'drupal-media data-entity-type data-entity-uuid data-view-mode data-align data-caption alt title';
        $replace = 'drupal-media data-entity-type data-entity-uuid';
        $allowed_html = str_replace($search, $replace, $allowed_html);
        $page->clickLink('Limit allowed HTML tags and correct faulty HTML');
        $this->assertTrue($allowed_html_field->waitFor(10, function ($allowed_html_field) {
            return $allowed_html_field->isVisible();
        }));
        $allowed_html_field->setValue($allowed_html);
        $page->pressButton('Save configuration');
        $assert_session->pageTextContains('The text format Sulaco has been updated.');
    }
    
    /**
     * Tests using DrupalMediaLibrary button to embed media into CKEditor.
     */
    public function testButton() {
        $this->drupalGet('/node/add/blog');
        $this->waitForEditor();
        $this->pressEditorButton('drupalmedialibrary');
        $assert_session = $this->assertSession();
        $page = $this->getSession()
            ->getPage();
        $this->assertNotEmpty($assert_session->waitForId('drupal-modal'));
        // Test that the order is the order set in DrupalMediaLibrary::getConfig().
        $tabs = $page->findAll('css', '.media-library-menu__link');
        $expected_tab_order = [
            'Show Image media (selected)',
            'Show Arrakis media',
        ];
        foreach ($tabs as $key => $tab) {
            $this->assertSame($expected_tab_order[$key], $tab->getText());
        }
        $assert_session->pageTextContains('0 of 1 item selected');
        $assert_session->elementExists('css', '.js-media-library-item')
            ->click();
        $assert_session->pageTextContains('1 of 1 item selected');
        $assert_session->elementExists('css', '.ui-dialog-buttonpane')
            ->pressButton('Insert selected');
        $this->assignNameToCkeditorIframe();
        $this->getSession()
            ->switchToIFrame('ckeditor');
        $this->assertNotEmpty($assert_session->waitForElementVisible('css', '.cke_widget_drupalmedia drupal-media .media'));
        // @todo Inserting media embed should enable undo.
        // @see https://www.drupal.org/project/drupal/issues/3073294
        $this->pressEditorButton('source');
        $value = $assert_session->elementExists('css', 'textarea.cke_source')
            ->getValue();
        $dom = Html::load($value);
        $xpath = new \DOMXPath($dom);
        $drupal_media = $xpath->query('//drupal-media')[0];
        $expected_attributes = [
            'data-entity-type' => 'media',
            'data-entity-uuid' => $this->media
                ->uuid(),
            'data-align' => 'center',
        ];
        foreach ($expected_attributes as $name => $expected) {
            $this->assertSame($expected, $drupal_media->getAttribute($name));
        }
        $this->pressEditorButton('source');
        // Why do we keep switching to the 'ckeditor' iframe? Because the buttons
        // are in a separate iframe from the markup, so after calling
        // ::pressEditorButton() (which switches to the button iframe), we'll need
        // to switch back to the CKEditor iframe.
        $this->assignNameToCkeditorIframe();
        $this->getSession()
            ->switchToIFrame('ckeditor');
        $this->assertNotEmpty($assert_session->waitForElementVisible('css', '.cke_widget_drupalmedia drupal-media .media'));
        $this->assertEditorButtonEnabled('undo');
        $this->pressEditorButton('undo');
        $this->getSession()
            ->switchToIFrame('ckeditor');
        $this->assertEmpty($assert_session->waitForElementVisible('css', '.cke_widget_drupalmedia drupal-media .media'));
        $this->assertEditorButtonDisabled('undo');
        $this->pressEditorButton('redo');
        $this->getSession()
            ->switchToIFrame('ckeditor');
        $this->assertNotEmpty($assert_session->waitForElementVisible('css', '.cke_widget_drupalmedia drupal-media .media'));
        $this->assertEditorButtonEnabled('undo');
    }
    
    /**
     * Tests the allowed media types setting on the MediaEmbed filter.
     */
    public function testAllowedMediaTypes() {
        $test_cases = [
            'all_media_types' => [],
            'only_image' => [
                'image' => 'image',
            ],
            'only_arrakis' => [
                'arrakis' => 'arrakis',
            ],
            'both_items_chedked' => [
                'image' => 'image',
                'arrakis' => 'arrakis',
            ],
        ];
        foreach ($test_cases as $allowed_media_types) {
            // Update the filter format to set the allowed media types.
            FilterFormat::load('test_format')->setFilterConfig('media_embed', [
                'status' => TRUE,
                'settings' => [
                    'default_view_mode' => 'view_mode_1',
                    'allowed_media_types' => $allowed_media_types,
                    'allowed_view_modes' => [
                        'view_mode_1' => 'view_mode_1',
                        'view_mode_2' => 'view_mode_2',
                    ],
                ],
            ])
                ->save();
            // Now test opening the media library from the CKEditor plugin, and
            // verify the expected behavior.
            $this->drupalGet('/node/add/blog');
            $this->waitForEditor();
            $this->pressEditorButton('drupalmedialibrary');
            $assert_session = $this->assertSession();
            $this->assertNotEmpty($assert_session->waitForId('media-library-wrapper'));
            if (empty($allowed_media_types) || count($allowed_media_types) === 2) {
                $assert_session->elementExists('css', 'li.media-library-menu-image');
                $assert_session->elementExists('css', 'li.media-library-menu-arrakis');
                $assert_session->elementTextContains('css', '.media-library-item__name', 'Fear is the mind-killer');
            }
            elseif (count($allowed_media_types) === 1 && !empty($allowed_media_types['image'])) {
                // No tabs should appear if there's only one media type available.
                $assert_session->elementNotExists('css', 'li.media-library-menu-image');
                $assert_session->elementNotExists('css', 'li.media-library-menu-arrakis');
                $assert_session->elementTextContains('css', '.media-library-item__name', 'Fear is the mind-killer');
            }
            elseif (count($allowed_media_types) === 1 && !empty($allowed_media_types['arrakis'])) {
                // No tabs should appear if there's only one media type available.
                $assert_session->elementNotExists('css', 'li.media-library-menu-image');
                $assert_session->elementNotExists('css', 'li.media-library-menu-arrakis');
                $assert_session->elementTextContains('css', '.media-library-item__name', 'Le baron Vladimir Harkonnen');
            }
        }
    }

}