class InlineBlockTestBase

abstract class InlineBlockTestBase extends WebDriverTestBase {
    use ContextualLinkClickTrait;
    
    /**
     * Locator for inline blocks.
     */
    const INLINE_BLOCK_LOCATOR = '.block-inline-blockbasic';
    
    /**
     * Path prefix for the field UI for the test bundle.
     */
    const FIELD_UI_PREFIX = 'admin/structure/types/manage/bundle_with_section_field';
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'block_content',
        'layout_builder',
        'block',
        'node',
        'contextual',
    ];
    
    /**
     * The block storage.
     *
     * @var \Drupal\Core\Entity\EntityStorageInterface
     */
    protected $blockStorage;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->drupalPlaceBlock('local_tasks_block');
        $this->createContentType([
            'type' => 'bundle_with_section_field',
            'new_revision' => TRUE,
        ]);
        $this->createNode([
            'type' => 'bundle_with_section_field',
            'title' => 'The node title',
            'body' => [
                [
                    'value' => 'The node body',
                ],
            ],
        ]);
        $this->createNode([
            'type' => 'bundle_with_section_field',
            'title' => 'The node2 title',
            'body' => [
                [
                    'value' => 'The node2 body',
                ],
            ],
        ]);
        $this->createBlockContentType('basic', 'Basic block');
        $this->blockStorage = $this->container
            ->get('entity_type.manager')
            ->getStorage('block_content');
    }
    
    /**
     * Saves a layout and asserts the message is correct.
     */
    protected function assertSaveLayout() {
        $assert_session = $this->assertSession();
        $page = $this->getSession()
            ->getPage();
        // Reload the page to prevent random failures.
        $this->drupalGet($this->getUrl());
        $page->pressButton('Save layout');
        $this->assertNotEmpty($assert_session->waitForElement('css', '.messages--status'));
        if (stristr($this->getUrl(), 'admin/structure') === FALSE) {
            $assert_session->pageTextContains('The layout override has been saved.');
        }
        else {
            $assert_session->pageTextContains('The layout has been saved.');
        }
    }
    
    /**
     * Gets the latest block entity id.
     */
    protected function getLatestBlockEntityId() {
        $block_ids = \Drupal::entityQuery('block_content')->accessCheck(FALSE)
            ->sort('id', 'DESC')
            ->range(0, 1)
            ->execute();
        $block_id = array_pop($block_ids);
        $this->assertNotEmpty($this->blockStorage
            ->load($block_id));
        return $block_id;
    }
    
    /**
     * Removes an entity block from the layout but does not save the layout.
     */
    protected function removeInlineBlockFromLayout($selector = NULL) {
        $selector = $selector ?? static::INLINE_BLOCK_LOCATOR;
        $assert_session = $this->assertSession();
        $page = $this->getSession()
            ->getPage();
        $block_text = $page->find('css', $selector)
            ->getText();
        $this->assertNotEmpty($block_text);
        $assert_session->pageTextContains($block_text);
        $this->clickContextualLink($selector, 'Remove block');
        $assert_session->waitForElement('css', "#drupal-off-canvas input[value='Remove']");
        $assert_session->assertWaitOnAjaxRequest();
        // Output the new HTML.
        $this->htmlOutput($page->getHtml());
        $page->find('css', '#drupal-off-canvas')
            ->pressButton('Remove');
        $assert_session->assertNoElementAfterWait('css', '#drupal-off-canvas');
        $assert_session->assertNoElementAfterWait('css', $selector);
        $assert_session->assertWaitOnAjaxRequest();
        $assert_session->pageTextNotContains($block_text);
    }
    
    /**
     * Adds an entity block to the layout.
     *
     * @param string $title
     *   The title field value.
     * @param string $body
     *   The body field value.
     */
    protected function addInlineBlockToLayout($title, $body) {
        $assert_session = $this->assertSession();
        $page = $this->getSession()
            ->getPage();
        $page->clickLink('Add block');
        $assert_session->assertWaitOnAjaxRequest();
        $this->assertNotEmpty($assert_session->waitForLink('Create content block'));
        $this->clickLink('Create content block');
        $assert_session->assertWaitOnAjaxRequest();
        $textarea = $assert_session->waitForElement('css', '[name="settings[block_form][body][0][value]"]');
        $this->assertNotEmpty($textarea);
        $assert_session->fieldValueEquals('Title', '');
        $page->findField('Title')
            ->setValue($title);
        $textarea->setValue($body);
        $page->pressButton('Add block');
        $this->assertDialogClosedAndTextVisible($body, static::INLINE_BLOCK_LOCATOR);
    }
    
    /**
     * Configures an inline block in the Layout Builder.
     *
     * @param string $old_body
     *   The old body field value.
     * @param string $new_body
     *   The new body field value.
     * @param string $block_css_locator
     *   The CSS locator to use to select the contextual link.
     */
    protected function configureInlineBlock($old_body, $new_body, $block_css_locator = NULL) {
        $block_css_locator = $block_css_locator ?: static::INLINE_BLOCK_LOCATOR;
        $assert_session = $this->assertSession();
        $page = $this->getSession()
            ->getPage();
        $this->clickContextualLink($block_css_locator, 'Configure');
        $textarea = $assert_session->waitForElementVisible('css', '[name="settings[block_form][body][0][value]"]');
        $this->assertNotEmpty($textarea);
        $this->assertSame($old_body, $textarea->getValue());
        $textarea->setValue($new_body);
        $page->pressButton('Update');
        $assert_session->assertNoElementAfterWait('css', '#drupal-off-canvas');
        $assert_session->assertWaitOnAjaxRequest();
        $this->assertDialogClosedAndTextVisible($new_body);
    }
    
    /**
     * Asserts that the dialog closes and the new text appears on the main canvas.
     *
     * @param string $text
     *   The text.
     * @param string|null $css_locator
     *   The css locator to use inside the main canvas if any.
     */
    protected function assertDialogClosedAndTextVisible($text, $css_locator = NULL) {
        $assert_session = $this->assertSession();
        $assert_session->assertNoElementAfterWait('css', '#drupal-off-canvas');
        $assert_session->elementNotExists('css', '#drupal-off-canvas');
        if ($css_locator) {
            $this->assertNotEmpty($assert_session->waitForElementVisible('css', ".dialog-off-canvas-main-canvas {$css_locator}:contains('{$text}')"));
        }
        else {
            $this->assertNotEmpty($assert_session->waitForElementVisible('css', ".dialog-off-canvas-main-canvas:contains('{$text}')"));
        }
    }
    
    /**
     * Creates a block content type.
     *
     * @param string $id
     *   The block type id.
     * @param string $label
     *   The block type label.
     */
    protected function createBlockContentType($id, $label) {
        $bundle = BlockContentType::create([
            'id' => $id,
            'label' => $label,
            'revision' => 1,
        ]);
        $bundle->save();
        block_content_add_body_field($bundle->id());
    }

}