class ContentPreviewToggleTest

class ContentPreviewToggleTest extends WebDriverTestBase {
    use ContextualLinkClickTrait;
    use LayoutBuilderSortTrait;
    use OffCanvasTestTrait;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'layout_builder',
        'block',
        'node',
        'contextual',
        'off_canvas_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'starterkit_theme';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->createContentType([
            'type' => 'bundle_for_this_particular_test',
        ]);
        LayoutBuilderEntityViewDisplay::load('node.bundle_for_this_particular_test.default')->enableLayoutBuilder()
            ->setOverridable()
            ->save();
        $this->drupalLogin($this->drupalCreateUser([
            'configure any layout',
            'access contextual links',
        ]));
    }
    
    /**
     * Tests the content preview toggle.
     */
    public function testContentPreviewToggle() {
        $assert_session = $this->assertSession();
        $page = $this->getSession()
            ->getPage();
        $links_field_placeholder_label = '"Links" field';
        $body_field_placeholder_label = '"Body" field';
        $content_preview_body_text = 'I should only be visible if content preview is enabled.';
        $this->createNode([
            'type' => 'bundle_for_this_particular_test',
            'body' => [
                [
                    'value' => $content_preview_body_text,
                ],
            ],
        ]);
        // Open single item layout page.
        $this->drupalGet('node/1/layout');
        // Placeholder label should not be visible, preview content should be.
        $assert_session->elementNotExists('css', '.layout-builder-block__content-preview-placeholder-label');
        $assert_session->pageTextContains($content_preview_body_text);
        // Disable content preview, confirm presence of placeholder labels.
        $this->assertTrue($page->hasCheckedField('layout-builder-content-preview'));
        $page->uncheckField('layout-builder-content-preview');
        $this->assertNotEmpty($assert_session->waitForElementVisible('css', '.layout-builder-block__content-preview-placeholder-label'));
        // Confirm that block content is not on page.
        $assert_session->pageTextNotContains($content_preview_body_text);
        $this->assertContextualLinks();
        // Check that content preview is still disabled on page reload.
        $this->getSession()
            ->reload();
        $this->assertNotEmpty($assert_session->waitForElement('css', '.layout-builder-block__content-preview-placeholder-label'));
        $assert_session->pageTextNotContains($content_preview_body_text);
        $this->assertContextualLinks();
        // Confirm repositioning blocks works with content preview disabled.
        $this->assertOrderInPage([
            $links_field_placeholder_label,
            $body_field_placeholder_label,
        ]);
        $region_content = '.layout__region--content';
        $links_block = "[data-layout-content-preview-placeholder-label='{$links_field_placeholder_label}']";
        $body_block = "[data-layout-content-preview-placeholder-label='{$body_field_placeholder_label}']";
        $assert_session->elementExists('css', $links_block . " div");
        $assert_session->elementExists('css', $body_block . " div");
        $this->sortableAfter($links_block, $body_block, $region_content);
        $assert_session->assertWaitOnAjaxRequest();
        // Check that the drag-triggered rebuild did not trigger content preview.
        $assert_session->pageTextNotContains($content_preview_body_text);
        // Check that drag successfully repositioned blocks.
        $this->assertOrderInPage([
            $body_field_placeholder_label,
            $links_field_placeholder_label,
        ]);
        // Check if block position maintained after enabling content preview.
        $this->assertTrue($page->hasUncheckedField('layout-builder-content-preview'));
        $page->checkField('layout-builder-content-preview');
        $this->assertNotEmpty($assert_session->waitForText($content_preview_body_text));
        $assert_session->pageTextContains($content_preview_body_text);
        $this->assertNotEmpty($assert_session->waitForText('Placeholder for the "Links" field'));
        $this->assertOrderInPage([
            $content_preview_body_text,
            'Placeholder for the "Links" field',
        ]);
    }
    
    /**
     * Checks if contextual links are working properly.
     *
     * @internal
     */
    protected function assertContextualLinks() : void {
        $page = $this->getSession()
            ->getPage();
        $assert_session = $this->assertSession();
        $this->clickContextualLink('.block-field-blocknodebundle-for-this-particular-testbody', 'Configure');
        $this->waitForOffCanvasArea();
        $this->assertSession()
            ->assertWaitOnAjaxRequest();
        $this->assertNotEmpty($this->assertSession()
            ->waitForButton('Close'));
        $page->pressButton('Close');
        $assert_session->assertNoElementAfterWait('css', '#drupal-off-canvas');
    }
    
    /**
     * Asserts that blocks in a given order in the page.
     *
     * @param string[] $items
     *   An ordered list of strings that should appear in the blocks.
     *
     * @internal
     */
    protected function assertOrderInPage(array $items) : void {
        $session = $this->getSession();
        $page = $session->getPage();
        $blocks = $page->findAll('css', '[data-layout-content-preview-placeholder-label]');
        // Filter will only return value if block contains expected text.
        $blocks_with_expected_text = array_filter($blocks, function ($block, $key) use ($items) {
            $block_text = $block->getText();
            return strpos($block_text, $items[$key]) !== FALSE;
        }, ARRAY_FILTER_USE_BOTH);
        $this->assertSameSize($items, $blocks_with_expected_text);
    }

}