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();
    }

}