class LayoutBuilderOptInTest

class LayoutBuilderOptInTest extends WebDriverTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'node',
    'field_ui',
    'block',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'starterkit_theme';
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    // Create one content type before installing Layout Builder and one after.
    $this->createContentType([
      'type' => 'before',
    ]);
    $this->container
      ->get('module_installer')
      ->install([
      'layout_builder',
    ]);
    $this->rebuildAll();
    $this->createContentType([
      'type' => 'after',
    ]);
    $this->drupalLogin($this->drupalCreateUser([
      'configure any layout',
      'administer node display',
    ]));
  }
  
  /**
   * Tests the interaction between the two layout checkboxes.
   */
  public function testCheckboxLogic() {
    $assert_session = $this->assertSession();
    $page = $this->getSession()
      ->getPage();
    $this->drupalGet('admin/structure/types/manage/before/display/default');
    // Both fields are unchecked and allow_custom is disabled and hidden.
    $assert_session->checkboxNotChecked('layout[enabled]');
    $assert_session->checkboxNotChecked('layout[allow_custom]');
    $assert_session->fieldDisabled('layout[allow_custom]');
    $this->assertFalse($page->findField('layout[allow_custom]')
      ->isVisible());
    // Checking is_enable will show allow_custom.
    $page->checkField('layout[enabled]');
    $assert_session->checkboxNotChecked('layout[allow_custom]');
    $this->assertTrue($page->findField('layout[allow_custom]')
      ->isVisible());
    $page->pressButton('Save');
    $assert_session->checkboxChecked('layout[enabled]');
    $assert_session->checkboxNotChecked('layout[allow_custom]');
    // Check and submit allow_custom.
    $page->checkField('layout[allow_custom]');
    $page->pressButton('Save');
    $assert_session->checkboxChecked('layout[enabled]');
    $assert_session->checkboxChecked('layout[allow_custom]');
    // Reset the checkboxes.
    $page->uncheckField('layout[enabled]');
    $page->pressButton('Save');
    $page->pressButton('Confirm');
    $assert_session->checkboxNotChecked('layout[enabled]');
    $assert_session->checkboxNotChecked('layout[allow_custom]');
    // Check both at the same time.
    $page->checkField('layout[enabled]');
    $page->checkField('layout[allow_custom]');
    $page->pressButton('Save');
    $assert_session->checkboxChecked('layout[enabled]');
    $assert_session->checkboxChecked('layout[allow_custom]');
  }
  
  /**
   * Tests the expected default values for enabling Layout Builder.
   */
  public function testDefaultValues() {
    $assert_session = $this->assertSession();
    $page = $this->getSession()
      ->getPage();
    // Both the content type created before and after Layout Builder was
    // installed is still using the Field UI.
    $this->drupalGet('admin/structure/types/manage/before/display/default');
    $assert_session->checkboxNotChecked('layout[enabled]');
    $field_ui_prefix = 'admin/structure/types/manage/after/display/default';
    $this->drupalGet($field_ui_prefix);
    $assert_session->checkboxNotChecked('layout[enabled]');
    $page->checkField('layout[enabled]');
    $page->pressButton('Save');
    $layout_builder_ui = $this->getPathForFieldBlock('node', 'after', 'default', 'body');
    $assert_session->linkExists('Manage layout');
    $this->clickLink('Manage layout');
    // Ensure the body appears once and only once.
    $assert_session->elementsCount('css', '.field--name-body', 1);
    // Change the body formatter to Trimmed.
    $this->drupalGet($layout_builder_ui);
    $assert_session->fieldValueEquals('settings[formatter][type]', 'text_default');
    $page->selectFieldOption('settings[formatter][type]', 'text_trimmed');
    $assert_session->assertWaitOnAjaxRequest();
    $page->pressButton('Update');
    $page->pressButton('Save layout');
    $this->drupalGet($layout_builder_ui);
    $assert_session->fieldValueEquals('settings[formatter][type]', 'text_trimmed');
    // Disable Layout Builder.
    $this->drupalGet($field_ui_prefix);
    $this->submitForm([
      'layout[enabled]' => FALSE,
    ], 'Save');
    $page->pressButton('Confirm');
    // The Layout Builder UI is no longer accessible.
    $this->drupalGet($layout_builder_ui);
    $assert_session->pageTextContains('You are not authorized to access this page.');
    // The original body formatter is reflected in Field UI.
    $this->drupalGet($field_ui_prefix);
    $assert_session->fieldValueEquals('fields[body][type]', 'text_default');
    // Change the body formatter to Summary.
    $page->selectFieldOption('fields[body][type]', 'text_summary_or_trimmed');
    $assert_session->assertWaitOnAjaxRequest();
    $page->pressButton('Save');
    $assert_session->fieldValueEquals('fields[body][type]', 'text_summary_or_trimmed');
    // Reactivate Layout Builder.
    $this->drupalGet($field_ui_prefix);
    $this->submitForm([
      'layout[enabled]' => TRUE,
    ], 'Save');
    $assert_session->linkExists('Manage layout');
    $this->clickLink('Manage layout');
    // Ensure the body appears once and only once.
    $assert_session->elementsCount('css', '.field--name-body', 1);
    // The changed body formatter is reflected in Layout Builder UI.
    $this->drupalGet($this->getPathForFieldBlock('node', 'after', 'default', 'body'));
    $assert_session->fieldValueEquals('settings[formatter][type]', 'text_summary_or_trimmed');
  }
  
  /**
   * Returns the path to update a field block in the UI.
   *
   * @param string $entity_type_id
   *   The entity type ID.
   * @param string $bundle
   *   The bundle.
   * @param string $view_mode
   *   The view mode.
   * @param string $field_name
   *   The field name.
   *
   * @return string
   *   The path.
   */
  protected function getPathForFieldBlock($entity_type_id, $bundle, $view_mode, $field_name) {
    $delta = 0;
    /** @var \Drupal\layout_builder\Entity\LayoutEntityDisplayInterface $display */
    $display = $this->container
      ->get('entity_type.manager')
      ->getStorage('entity_view_display')
      ->load("{$entity_type_id}.{$bundle}.{$view_mode}");
    $body_component = NULL;
    foreach ($display->getSection($delta)
      ->getComponents() as $component) {
      if ($component->getPluginId() === "field_block:{$entity_type_id}:{$bundle}:{$field_name}") {
        $body_component = $component;
      }
    }
    $this->assertNotNull($body_component);
    return 'layout_builder/update/block/defaults/node.after.default/0/content/' . $body_component->getUuid();
  }

}