class UiPageTest

class UiPageTest extends RulesBrowserTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'rules',
        'rules_test',
    ];
    
    /**
     * We use the minimal profile because we want to test local action links.
     *
     * @var string
     */
    protected $profile = 'minimal';
    
    /**
     * The entity storage for Rules config entities.
     *
     * @var \Drupal\Core\Entity\EntityStorageInterface
     */
    protected $storage;
    
    /**
     * A user with administration permissions.
     *
     * @var \Drupal\user\UserInterface
     */
    protected $adminUser;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->storage = $this->container
            ->get('entity_type.manager')
            ->getStorage('rules_reaction_rule');
        $this->adminUser = $this->drupalCreateUser([
            'administer rules',
        ]);
    }
    
    /**
     * Tests that the reaction rule listing page is reachable.
     */
    public function testReactionRulePage() {
        $account = $this->drupalCreateUser([
            'administer rules',
        ]);
        $this->drupalLogin($account);
        $this->drupalGet('admin/config/workflow/rules');
        
        /** @var \Drupal\Tests\WebAssert $assert */
        $assert = $this->assertSession();
        $assert->statusCodeEquals(200);
        // Test that there is an empty reaction rule listing.
        $assert->pageTextContains('There are no enabled reaction rules.');
    }
    
    /**
     * Tests that creating a reaction rule works.
     */
    public function testCreateReactionRule() {
        $this->drupalLogin($this->adminUser);
        $this->drupalGet('admin/config/workflow/rules');
        $this->clickLink('Add reaction rule');
        $this->fillField('Label', 'Test rule');
        $this->fillField('Machine-readable name', 'test_rule');
        $this->fillField('Description', 'This is a test description for a test reaction rule.');
        $this->fillField('React on event', 'rules_entity_insert:node');
        $this->pressButton('Save');
        
        /** @var \Drupal\Tests\WebAssert $assert */
        $assert = $this->assertSession();
        $assert->statusCodeEquals(200);
        $assert->pageTextContains('Reaction rule Test rule has been created.');
        $this->clickLink('Add condition');
        $this->fillField('Condition', 'rules_node_is_promoted');
        $this->pressButton('Continue');
        $this->fillField('context_definitions[node][setting]', 'node');
        $this->pressButton('Save');
        $assert->statusCodeEquals(200);
        $assert->pageTextContains('You have unsaved changes.');
        $this->pressButton('Save');
        $assert->pageTextContains('Reaction rule Test rule has been updated. ');
    }
    
    /**
     * Tests that enabling and disabling a rule works.
     */
    public function testRuleStatusOperations() {
        // Setup an active rule.
        $this->testCreateReactionRule();
        $this->drupalGet('admin/config/workflow/rules');
        
        /** @var \Drupal\Tests\WebAssert $assert */
        $assert = $this->assertSession();
        // Test disabling.
        $this->clickLink('Disable');
        $assert->pageTextContains('The reaction rule Test rule has been disabled.');
        // Test enabling.
        $this->clickLink('Enable');
        $assert->pageTextContains('The reaction rule Test rule has been enabled.');
    }
    
    /**
     * Tests that an event can be added.
     */
    public function testAddEvent() {
        // Setup an active rule.
        $this->testCreateReactionRule();
        // Go to "Add event" page.
        $this->clickLink('Add event');
        
        /** @var \Drupal\Tests\WebAssert $assert */
        $assert = $this->assertSession();
        $assert->pageTextContains('Add event to Test rule');
        $assert->pageTextContains('Event selection');
        $assert->pageTextContains('React on event');
        // Select an event.
        $this->findField('events[0][event_name]')
            ->selectOption('rules_entity_update:node');
        $this->pressButton('Add');
        // Click add again to ignore "Restrict by type".
        $this->pressButton('Add');
        $assert->pageTextContains('Added event After updating a content item entity to Test rule.');
        // Assert that the test rule has two events now.
        $expected = [
            'rules_entity_insert:node',
            'rules_entity_update:node',
        ];
        
        /** @var \Drupal\rules\Entity\ReactionRuleConfig $rule */
        $rule = $this->storage
            ->load('test_rule');
        $this->assertSame($expected, $rule->getEventNames());
    }
    
    /**
     * Tests that an event with type restriction can be added.
     */
    public function testAddEventWithRestrictByType() {
        // Add a content type called 'article'.
        $node_type = NodeType::create([
            'type' => 'article',
            'name' => 'Article',
        ]);
        $node_type->save();
        // Setup an active rule.
        $this->testCreateReactionRule();
        // Go to "Add event" page.
        $this->clickLink('Add event');
        
        /** @var \Drupal\Tests\WebAssert $assert */
        $assert = $this->assertSession();
        $assert->pageTextContains('Add event to Test rule');
        $assert->pageTextContains('Event selection');
        $assert->pageTextContains('React on event');
        // Select an event.
        $this->findField('events[0][event_name]')
            ->selectOption('rules_entity_update:node');
        $this->pressButton('Add');
        // Select bundle 'article'.
        $this->findField('bundle')
            ->selectOption('article');
        $this->pressButton('Add');
        $assert->pageTextContains('Added event After updating a content item entity of type Article to Test rule.');
        // Assert that the second event on the test rule has the bundle selection.
        $expected = [
            'rules_entity_insert:node',
            'rules_entity_update:node--article',
        ];
        
        /** @var \Drupal\rules\Entity\ReactionRuleConfig $rule */
        $rule = $this->storage
            ->load('test_rule');
        $this->assertSame($expected, $rule->getEventNames());
    }
    
    /**
     * Tests that an event can be deleted.
     */
    public function testDeleteEvent() {
        // Create a rule with two events.
        $rule = $this->storage
            ->create([
            'id' => 'test_rule',
            'label' => 'Test rule',
            'events' => [
                [
                    'event_name' => 'rules_entity_insert:node',
                ],
                [
                    'event_name' => 'rules_entity_update:node',
                ],
            ],
        ]);
        $rule->save();
        
        /** @var \Drupal\Tests\WebAssert $assert */
        $assert = $this->assertSession();
        // Login and go to the rule edit page.
        $this->drupalLogin($this->adminUser);
        $this->drupalGet('admin/config/workflow/rules/reactions/edit/test_rule');
        // Click delete button for second event.
        $this->clickLinkByHref('event-delete/rules_entity_update');
        // Assert we are on the delete page.
        $assert->pageTextContains('Are you sure you want to delete the event After updating a content item entity from Test rule?');
        // And confirm the delete.
        $this->pressButton('Delete');
        $assert->pageTextContains('Deleted event After updating a content item entity from Test rule.');
        // We need to reload the container because the container can get rebuilt
        // when saving a rule.
        $this->resetAll();
        $this->storage = $this->container
            ->get('entity_type.manager')
            ->getStorage('rules_reaction_rule');
        
        /** @var \Drupal\rules\Entity\ReactionRuleConfig $rule */
        $rule = $this->storage
            ->loadUnchanged('test_rule');
        // Assert that the event is really deleted.
        $this->assertSame([
            'rules_entity_insert:node',
        ], $rule->getEventNames());
    }
    
    /**
     * Tests that events cannot be deleted when there is only one event.
     */
    public function testNoDeleteEventWhenRulesHasSingleEvent() {
        // Create a rule.
        $rule = $this->storage
            ->create([
            'id' => 'test_rule',
            'label' => 'Test rule',
            'events' => [
                [
                    'event_name' => 'rules_entity_insert:node',
                ],
            ],
        ]);
        $rule->save();
        // Login and go to the rule edit page.
        $this->drupalLogin($this->adminUser);
        $this->drupalGet('admin/config/workflow/rules/reactions/edit/test_rule');
        // Assert that no link is displayed for deleting the only event that there
        // is.
        $this->assertNull($this->getSession()
            ->getPage()
            ->find('xpath', './/a[contains(@href, "event-delete/rules_entity_insert")]'));
        // Try to delete the event anyway and assert that access to that page is
        // denied.
        $this->drupalGet('admin/config/workflow/rules/reactions/edit/test_rule/event-delete/rules_entity_insert:node');
        
        /** @var \Drupal\Tests\WebAssert $assert */
        $assert = $this->assertSession();
        $assert->statusCodeEquals(403);
    }
    
    /**
     * Tests that cancelling an expression from a rule works.
     */
    public function testCancelExpressionInRule() {
        // Setup a rule with one condition.
        $this->testCreateReactionRule();
        $this->clickLink('Add condition');
        $this->fillField('Condition', 'rules_node_is_promoted');
        $this->pressButton('Continue');
        $this->fillField('context_definitions[node][setting]', 'node');
        $this->pressButton('Save');
        
        /** @var \Drupal\Tests\WebAssert $assert */
        $assert = $this->assertSession();
        $assert->pageTextContains('You have unsaved changes.');
        // Edit and cancel.
        $this->pressButton('Cancel');
        $assert->pageTextContains('Canceled.');
        // Make sure that we are back at the overview listing page.
        $this->assertEquals(1, preg_match('#/admin/config/workflow/rules$#', $this->getSession()
            ->getCurrentUrl()));
    }
    
    /**
     * Tests that deleting an expression from a rule works.
     */
    public function testDeleteExpressionInRule() {
        // Setup a rule with one condition.
        $this->testCreateReactionRule();
        
        /** @var \Drupal\Tests\WebAssert $assert */
        $assert = $this->assertSession();
        $this->clickLink('Delete');
        $assert->pageTextContains('Are you sure you want to delete Node is promoted from Test rule?');
        $this->pressButton('Delete');
        $assert->pageTextContains('You have unsaved changes.');
        $this->pressButton('Save');
        $assert->pageTextContains('Reaction rule Test rule has been updated. ');
    }
    
    /**
     * Tests that a condition with no context can be configured.
     */
    public function testNoContextCondition() {
        // Setup a rule with one condition.
        $this->testCreateReactionRule();
        $this->clickLink('Add condition');
        // The rules_test_true condition does not define context in its annotation.
        $this->fillField('Condition', 'rules_test_true');
        $this->pressButton('Continue');
        // Pressing 'Save' will generate an exception and the test will fail if
        // Rules does not support conditions without a context.
        // Exception: Warning: Invalid argument supplied for foreach().
        $this->pressButton('Save');
    }
    
    /**
     * Tests that a negated condition has NOT prefixed to its label.
     */
    public function testNegatedCondition() {
        // Setup a rule with one condition.
        $this->testCreateReactionRule();
        
        /** @var \Drupal\Tests\WebAssert $assert */
        $assert = $this->assertSession();
        // Check that the label shows up on the Rule edit page.
        $assert->pageTextContains('Node is promoted');
        // Edit the condition, negate it, then check the label again.
        $this->clickLink('Edit');
        $this->fillField('Negate', 1);
        $this->pressButton('Save');
        $assert->pageTextContains('NOT Node is promoted');
    }
    
    /**
     * Tests that an action with a 'multiple' context can be configured.
     */
    public function testMultipleContextAction() {
        $this->drupalLogin($this->adminUser);
        $this->drupalGet('admin/config/workflow/rules');
        $this->clickLink('Add reaction rule');
        $this->fillField('Label', 'Test rule');
        $this->fillField('Machine-readable name', 'test_rule');
        $this->fillField('React on event', 'rules_entity_insert:node');
        $this->pressButton('Save');
        $this->clickLink('Add action');
        $this->fillField('Action', 'rules_send_email');
        $this->pressButton('Continue');
        // Push the data selection switch 2 times to make sure that also works and
        // does not throw PHP notices.
        $this->pressButton('Switch to data selection');
        $this->pressButton('Switch to the direct input mode');
        $this->fillField('context_definitions[to][setting]', 'klausi@example.com');
        $this->fillField('context_definitions[subject][setting]', 'subject');
        $this->fillField('context_definitions[message][setting]', 'message');
        $this->pressButton('Save');
        
        /** @var \Drupal\Tests\WebAssert $assert */
        $assert = $this->assertSession();
        $assert->statusCodeEquals(200);
    }

}