class MediaUiReferenceWidgetTest

class MediaUiReferenceWidgetTest extends MediaFunctionalTestBase {
    use FieldUiTestTrait;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'block',
        'media_test_source',
        'media',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->drupalPlaceBlock('local_actions_block');
        $this->drupalPlaceBlock('local_tasks_block');
    }
    
    /**
     * Data provider for testMediaReferenceWidget().
     *
     * @return array[]
     *   Test data. See testMediaReferenceWidget() for the child array structure.
     */
    public static function providerTestMediaReferenceWidget() {
        return [
            // Single-value fields with a single media type and the default widget:
            // - The user can create and list the media.
'single_value:single_type:create_list' => [
                1,
                [
                    TRUE,
                ],
                TRUE,
            ],
            // - The user can list but not create the media.
'single_value:single_type:list' => [
                1,
                [
                    FALSE,
                ],
                TRUE,
            ],
            // - The user can create but not list the media.
'single_value:single_type:create' => [
                1,
                [
                    TRUE,
                ],
                FALSE,
            ],
            // - The user can neither create nor list the media.
'single_value:single_type' => [
                1,
                [
                    FALSE,
                ],
                FALSE,
            ],
            // Single-value fields with the tags-style widget:
            // - The user can create and list the media.
'single_value:single_type:create_list:tags' => [
                1,
                [
                    TRUE,
                ],
                TRUE,
                'entity_reference_autocomplete_tags',
            ],
            // - The user can list but not create the media.
'single_value:single_type:list:tags' => [
                1,
                [
                    FALSE,
                ],
                TRUE,
                'entity_reference_autocomplete_tags',
            ],
            // - The user can create but not list the media.
'single_value:single_type:create:tags' => [
                1,
                [
                    TRUE,
                ],
                FALSE,
                'entity_reference_autocomplete_tags',
            ],
            // - The user can neither create nor list the media.
'single_value:single_type:tags' => [
                1,
                [
                    FALSE,
                ],
                FALSE,
                'entity_reference_autocomplete_tags',
            ],
            // Single-value fields with two media types:
            // - The user can create both types.
'single_value:two_type:create2_list' => [
                1,
                [
                    TRUE,
                    TRUE,
                ],
                TRUE,
            ],
            // - The user can create only one type.
'single_value:two_type:create1_list' => [
                1,
                [
                    TRUE,
                    FALSE,
                ],
                TRUE,
            ],
            // - The user cannot create either type.
'single_value:two_type:list' => [
                1,
                [
                    FALSE,
                    FALSE,
                ],
                TRUE,
            ],
            // Multiple-value field with a cardinality of 3, with media the user can
            // create and list.
'multi_value:single_type:create_list' => [
                3,
                [
                    TRUE,
                ],
                TRUE,
            ],
            // The same, with the tags field.
'multi-value:single_type:create_list:tags' => [
                3,
                [
                    TRUE,
                ],
                TRUE,
                'entity_reference_autocomplete_tags',
            ],
            // Unlimited value field.
'unlimited_value:single_type:create_list' => [
                FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
                [
                    TRUE,
                ],
                TRUE,
            ],
            // Unlimited value field with the tags widget.
'unlimited_value:single_type:create_list:tags' => [
                FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
                [
                    TRUE,
                ],
                TRUE,
                'entity_reference_autocomplete_tags',
            ],
        ];
    }
    
    /**
     * Tests the default autocomplete widgets for media reference fields.
     *
     * @param int $cardinality
     *   The field cardinality.
     * @param bool[] $media_type_create_access
     *   An array of booleans indicating whether to grant the test user create
     *   access for each media type. A media type is created automatically for
     *   each; for example, an array [TRUE, FALSE] would create two media types,
     *   one that allows the user to create media and a second that does not.
     * @param bool $list_access
     *   Whether to grant the test user access to list media.
     * @param string $widget_id
     *   The widget ID to test.
     *
     * @see media_field_widget_entity_reference_autocomplete_form_alter()
     * @see media_field_widget_multiple_entity_reference_autocomplete_form_alter()
     *
     * @dataProvider providerTestMediaReferenceWidget
     */
    public function testMediaReferenceWidget($cardinality, array $media_type_create_access, $list_access, $widget_id = 'entity_reference_autocomplete') : void {
        $assert_session = $this->assertSession();
        // Create two content types.
        $non_media_content_type = $this->createContentType();
        $content_type = $this->createContentType();
        // Create some media types.
        $media_types = [];
        $permissions = [];
        $create_media_types = [];
        foreach ($media_type_create_access as $id => $access) {
            if ($access) {
                $create_media_types[] = "media_type_{$id}";
                $permissions[] = "create media_type_{$id} media";
            }
            $this->createMediaType('test', [
                'id' => "media_type_{$id}",
                'label' => "media_type_{$id}",
            ]);
            $media_types["media_type_{$id}"] = "media_type_{$id}";
        }
        // Create a user that can create content of the type, with other
        // permissions as given by the data provider.
        $permissions[] = "create {$content_type->id()} content";
        if ($list_access) {
            $permissions[] = "access media overview";
        }
        $test_user = $this->drupalCreateUser($permissions);
        // Create a non-media entity reference.
        $non_media_storage = FieldStorageConfig::create([
            'field_name' => 'field_not_a_media_field',
            'entity_type' => 'node',
            'type' => 'entity_reference',
            'cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
            'settings' => [
                'target_type' => 'node',
            ],
        ]);
        $non_media_storage->save();
        $non_media_field = FieldConfig::create([
            'label' => 'No media here!',
            'field_storage' => $non_media_storage,
            'entity_type' => 'node',
            'bundle' => $non_media_content_type->id(),
            'settings' => [
                'handler' => 'default',
                'handler_settings' => [
                    'target_bundles' => [
                        $non_media_content_type->id() => $non_media_content_type->id(),
                    ],
                ],
            ],
        ]);
        $non_media_field->save();
        \Drupal::entityTypeManager()->getStorage('entity_form_display')
            ->load('node.' . $non_media_content_type->id() . '.default')
            ->setComponent('field_not_a_media_field', [
            'type' => $widget_id,
        ])
            ->save();
        // Create a media field through the user interface to ensure that the
        // help text handling does not break the default value entry on the field
        // settings form.
        // Using submitForm() to avoid dealing with JavaScript on the previous
        // page in the field creation.
        $field_edit = [];
        foreach ($media_types as $type) {
            $field_edit["settings[handler_settings][target_bundles][{$type}]"] = TRUE;
        }
        $this->fieldUIAddNewField("admin/structure/types/manage/{$content_type->id()}", 'media_reference', "Media (cardinality {$cardinality})", 'field_ui:entity_reference:media', [], $field_edit);
        \Drupal::entityTypeManager()->getStorage('entity_form_display')
            ->load('node.' . $content_type->id() . '.default')
            ->setComponent('field_media_reference', [
            'type' => $widget_id,
        ])
            ->save();
        // Some of the expected texts.
        $create_help = 'Create your media on the media add page (opens a new window), then add it by name to the field below.';
        $list_text = 'See the media list (opens a new window) to help locate media.';
        $use_help = 'Type part of the media name.';
        $create_header = "Create new media";
        $use_header = "Use existing media";
        // First check that none of the help texts are on the non-media content.
        $this->drupalGet("/node/add/{$non_media_content_type->id()}");
        $this->assertNoHelpTexts([
            $create_header,
            $create_help,
            $use_header,
            $use_help,
            $list_text,
            'Allowed media types:',
        ]);
        // Now, check that the widget displays the expected help text under the
        // given conditions for the test user.
        $this->drupalLogin($test_user);
        $this->drupalGet("/node/add/{$content_type->id()}");
        // Specific expected help texts for the media field.
        $create_header = "Create new media";
        $use_header = "Use existing media";
        $type_list = 'Allowed media types: ' . implode(", ", array_keys($media_types));
        $fieldset_selector = '#edit-field-media-reference-wrapper fieldset';
        $fieldset = $assert_session->elementExists('css', $fieldset_selector);
        $this->assertSame("Media (cardinality {$cardinality})", $assert_session->elementExists('css', 'legend', $fieldset)
            ->getText());
        // Assert text that should be displayed regardless of other access.
        $this->assertHelpTexts([
            $use_header,
            $use_help,
            $type_list,
        ], $fieldset_selector);
        // The entire section for creating new media should only be displayed if
        // the user can create at least one media of the type.
        if ($create_media_types) {
            if (count($create_media_types) === 1) {
                $url = Url::fromRoute('entity.media.add_form')->setRouteParameter('media_type', $create_media_types[0]);
            }
            else {
                $url = Url::fromRoute('entity.media.add_page');
            }
            $this->assertHelpTexts([
                $create_header,
                $create_help,
            ], $fieldset_selector);
            $this->assertHelpLink($fieldset, 'media add page', [
                'target' => '_blank',
                'href' => $url->toString(),
            ]);
        }
        else {
            $this->assertNoHelpTexts([
                $create_header,
                $create_help,
            ]);
            $this->assertNoHelpLink($fieldset, 'media add page');
        }
        if ($list_access) {
            $this->assertHelpTexts([
                $list_text,
            ], $fieldset_selector);
            $this->assertHelpLink($fieldset, 'media list', [
                'target' => '_blank',
                'href' => Url::fromRoute('entity.media.collection')->toString(),
            ]);
        }
        else {
            $this->assertNoHelpTexts([
                $list_text,
            ]);
            $this->assertNoHelpLink($fieldset, 'media list');
        }
    }
    
    /**
     * Asserts that the given texts are present exactly once.
     *
     * @param string[] $texts
     *   A list of the help texts to check.
     * @param string $selector
     *   (optional) The selector to search.
     *
     * @internal
     */
    protected function assertHelpTexts(array $texts, string $selector = '') : void {
        $assert_session = $this->assertSession();
        foreach ($texts as $text) {
            // We only want to escape single quotes, so use str_replace() rather than
            // addslashes().
            $text = str_replace("'", "\\'", $text);
            if ($selector) {
                $assert_session->elementsCount('css', $selector . ":contains('{$text}')", 1);
            }
            else {
                $assert_session->pageTextContains($text);
            }
        }
    }
    
    /**
     * Asserts that none of the given texts are present.
     *
     * @param string[] $texts
     *   A list of the help texts to check.
     *
     * @internal
     */
    protected function assertNoHelpTexts(array $texts) : void {
        $assert_session = $this->assertSession();
        foreach ($texts as $text) {
            $assert_session->pageTextNotContains($text);
        }
    }
    
    /**
     * Asserts whether a given link is present.
     *
     * @param \Behat\Mink\Element\NodeElement $element
     *   The element to search.
     * @param string $text
     *   The link text.
     * @param string[] $attributes
     *   An associative array of any expected attributes, keyed by the
     *   attribute name.
     *
     * @internal
     */
    protected function assertHelpLink(NodeElement $element, string $text, array $attributes = []) : void {
        // Find all the links inside the element.
        $link = $element->findLink($text);
        $this->assertNotEmpty($link);
        foreach ($attributes as $attribute => $value) {
            $this->assertSame($link->getAttribute($attribute), $value);
        }
    }
    
    /**
     * Asserts that a given link is not present.
     *
     * @param \Behat\Mink\Element\NodeElement $element
     *   The element to search.
     * @param string $text
     *   The link text.
     *
     * @internal
     */
    protected function assertNoHelpLink(NodeElement $element, string $text) : void {
        $assert_session = $this->assertSession();
        // Assert that the link and its text are not present anywhere on the page.
        $assert_session->elementNotExists('named', [
            'link',
            $text,
        ], $element);
        $assert_session->pageTextNotContains($text);
    }

}