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() {
    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() {
    $assert_session = $this->assertSession();
    $page = $this->getSession()
      ->getPage();
    $block_text = $page->find('css', static::INLINE_BLOCK_LOCATOR)
      ->getText();
    $this->assertNotEmpty($block_text);
    $assert_session->pageTextContains($block_text);
    $this->clickContextualLink(static::INLINE_BLOCK_LOCATOR, 'Remove block');
    $assert_session->waitForElement('css', "#drupal-off-canvas input[value='Remove']");
    $assert_session->assertWaitOnAjaxRequest();
    $page->find('css', '#drupal-off-canvas')
      ->pressButton('Remove');
    $assert_session->assertNoElementAfterWait('css', '#drupal-off-canvas');
    $assert_session->assertNoElementAfterWait('css', static::INLINE_BLOCK_LOCATOR);
    $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 custom block'));
    $this->clickLink('Create custom 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->assertWaitOnAjaxRequest();
    $assert_session->elementNotExists('css', '#drupal-off-canvas');
    if ($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());
  }

}