<?php

namespace Drupal\Tests\system\Kernel;

use Drupal\Core\Access\AccessResult;
use Drupal\Core\Cache\Context\CacheContextsManager;
use Drupal\Core\DependencyInjection\ContainerBuilder;
use Drupal\KernelTests\KernelTestBase;
use Drupal\simpletest\UserCreationTrait;
use Drupal\system\Entity\Menu;

/**
 * @coversDefaultClass \Drupal\system\MenuAccessControlHandler
 * @group system
 */
class MenuAccessControlHandlerTest extends KernelTestBase {

  use UserCreationTrait {
    createUser as drupalCreateUser;
  }

  /**
   * Modules to enable.
   *
   * @var array
   */
  public static $modules = [
    'system',
    'user',
  ];

  /**
   * The menu access control handler.
   *
   * @var \Drupal\Core\Entity\EntityAccessControlHandlerInterface
   */
  protected $accessControlHandler;

  /**
   * {@inheritdoc}
   */
  protected function setUp() {
    parent::setUp();
    $this->installEntitySchema('menu');
    $this->installEntitySchema('user');
    $this->installSchema('system', 'sequences');
    $this->accessControlHandler = $this->container->get('entity_type.manager')->getAccessControlHandler('menu');
  }

  /**
   * @covers ::checkAccess
   * @covers ::checkCreateAccess
   * @dataProvider testAccessProvider
   */
  public function testAccess($which_user, $which_entity, $view_label_access_result, $view_access_result, $update_access_result, $delete_access_result, $create_access_result) {
    // We must always create user 1, so that a "normal" user has a ID >1.
    $root_user = $this->drupalCreateUser();

    if ($which_user === 'user1') {
      $user = $root_user;
    }
    else {
      $permissions = ($which_user === 'admin')
        ? ['administer menu']
        : [];
      $user = $this->drupalCreateUser($permissions);
    }

    $entity_values = ($which_entity === 'unlocked')
      ? ['locked' => FALSE]
      : ['locked' => TRUE];
    $entity_values['id'] = 'llama';
    $entity = Menu::create($entity_values);
    $entity->save();

    static::assertEquals($view_label_access_result, $this->accessControlHandler->access($entity, 'view label', $user, TRUE));
    static::assertEquals($view_access_result, $this->accessControlHandler->access($entity, 'view', $user, TRUE));
    static::assertEquals($update_access_result, $this->accessControlHandler->access($entity, 'update', $user, TRUE));
    static::assertEquals($delete_access_result, $this->accessControlHandler->access($entity, 'delete', $user, TRUE));
    static::assertEquals($create_access_result, $this->accessControlHandler->createAccess(NULL, $user, [], TRUE));
  }

  public function testAccessProvider() {
    $c = new ContainerBuilder();
    $cache_contexts_manager = $this->prophesize(CacheContextsManager::class);
    $cache_contexts_manager->assertValidTokens()->willReturn(TRUE);
    $cache_contexts_manager->reveal();
    $c->set('cache_contexts_manager', $cache_contexts_manager);
    \Drupal::setContainer($c);

    return [
      'permissionless + unlocked' => [
        'permissionless',
        'unlocked',
        AccessResult::allowed(),
        AccessResult::neutral()->addCacheContexts(['user.permissions'])->setReason("The 'administer menu' permission is required."),
        AccessResult::neutral()->addCacheContexts(['user.permissions'])->setReason("The 'administer menu' permission is required."),
        AccessResult::neutral()->addCacheContexts(['user.permissions'])->setReason("The 'administer menu' permission is required.")->addCacheTags(['config:system.menu.llama']),
        AccessResult::neutral()->addCacheContexts(['user.permissions'])->setReason("The 'administer menu' permission is required."),
      ],
      'permissionless + locked' => [
        'permissionless',
        'locked',
        AccessResult::allowed(),
        AccessResult::neutral()->addCacheContexts(['user.permissions'])->setReason("The 'administer menu' permission is required."),
        AccessResult::neutral()->addCacheContexts(['user.permissions'])->setReason("The 'administer menu' permission is required."),
        AccessResult::forbidden()->addCacheTags(['config:system.menu.llama'])->setReason("The Menu config entity is locked."),
        AccessResult::neutral()->addCacheContexts(['user.permissions'])->setReason("The 'administer menu' permission is required."),
      ],
      'admin + unlocked' => [
        'admin',
        'unlocked',
        AccessResult::allowed(),
        AccessResult::allowed()->addCacheContexts(['user.permissions']),
        AccessResult::allowed()->addCacheContexts(['user.permissions']),
        AccessResult::allowed()->addCacheContexts(['user.permissions'])->addCacheTags(['config:system.menu.llama']),
        AccessResult::allowed()->addCacheContexts(['user.permissions']),
      ],
      'admin + locked' => [
        'admin',
        'locked',
        AccessResult::allowed(),
        AccessResult::allowed()->addCacheContexts(['user.permissions']),
        AccessResult::allowed()->addCacheContexts(['user.permissions']),
        AccessResult::forbidden()->addCacheTags(['config:system.menu.llama'])->setReason("The Menu config entity is locked."),
        AccessResult::allowed()->addCacheContexts(['user.permissions']),
      ],
      'user1 + unlocked' => [
        'user1',
        'unlocked',
        AccessResult::allowed(),
        AccessResult::allowed()->addCacheContexts(['user.permissions']),
        AccessResult::allowed()->addCacheContexts(['user.permissions']),
        AccessResult::allowed()->addCacheContexts(['user.permissions'])->addCacheTags(['config:system.menu.llama']),
        AccessResult::allowed()->addCacheContexts(['user.permissions']),
      ],
      'user1 + locked' => [
        'user1',
        'locked',
        AccessResult::allowed(),
        AccessResult::allowed()->addCacheContexts(['user.permissions']),
        AccessResult::allowed()->addCacheContexts(['user.permissions']),
        AccessResult::forbidden()->addCacheTags(['config:system.menu.llama'])->setReason("The Menu config entity is locked."),
        AccessResult::allowed()->addCacheContexts(['user.permissions']),
      ],
    ];
  }

}
