class SiteConfigureForm

class SiteConfigureForm extends ConfigFormBase {
  
  /**
   * Constructs a new SiteConfigureForm.
   *
   * @param string $root
   *   The app root.
   * @param string $sitePath
   *   The site path.
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entityTypeManager
   *   The entity type manager.
   * @param \Drupal\Core\Extension\ModuleInstallerInterface $moduleInstaller
   *   The module installer.
   * @param \Drupal\user\UserNameValidator $userNameValidator
   *   The user validator.
   * @param bool $superUserAccessPolicy
   *   The value of the 'security.enable_super_user' container parameter.
   */
  public function __construct(protected $root, protected $sitePath, protected EntityTypeManagerInterface $entityTypeManager, protected ModuleInstallerInterface $moduleInstaller, protected UserNameValidator $userNameValidator, protected bool $superUserAccessPolicy) {
  }
  
  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container->getParameter('app.root'), $container->getParameter('site.path'), $container->get('entity_type.manager'), $container->get('module_installer'), $container->get('user.name_validator'), $container->getParameter('security.enable_super_user') ?? TRUE);
  }
  
  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'install_configure_form';
  }
  
  /**
   * {@inheritdoc}
   */
  protected function getEditableConfigNames() {
    return [
      'system.date',
      'system.site',
      'update.settings',
    ];
  }
  
  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    global $install_state;
    $form['#title'] = $this->t('Configure site');
    // Warn about settings.php permissions risk
    $settings_dir = $this->sitePath;
    $settings_file = $settings_dir . '/settings.php';
    // Check that $_POST is empty so we only show this message when the form is
    // first displayed, not on the next page after it is submitted. (We do not
    // want to repeat it multiple times because it is a general warning that is
    // not related to the rest of the installation process; it would also be
    // especially out of place on the last page of the installer, where it would
    // distract from the message that the Drupal installation has completed
    // successfully.)
    $post_params = $this->getRequest()->request
      ->all();
    if (empty($post_params) && (Settings::get('skip_permissions_hardening') || !drupal_verify_install_file($this->root . '/' . $settings_file, FILE_EXIST | FILE_READABLE | FILE_NOT_WRITABLE) || !drupal_verify_install_file($this->root . '/' . $settings_dir, FILE_NOT_WRITABLE, 'dir'))) {
      $this->messenger()
        ->addWarning($this->t('All necessary changes to %dir and %file have been made, so you should remove write permissions to them now in order to avoid security risks. If you are unsure how to do so, consult the <a href=":handbook_url">online handbook</a>.', [
        '%dir' => $settings_dir,
        '%file' => $settings_file,
        ':handbook_url' => 'https://www.drupal.org/server-permissions',
      ]));
    }
    $form['#attached']['library'][] = 'core/drupal.fieldgroup';
    $form['#attached']['library'][] = 'system/drupal.system';
    // Add JavaScript time zone detection.
    $form['#attached']['library'][] = 'core/drupal.timezone';
    // We add these strings as settings because JavaScript translation does not
    // work during installation.
    $form['#attached']['drupalSettings']['copyFieldValue']['edit-site-mail'] = [
      'edit-account-mail',
    ];
    $form['site_information'] = [
      '#type' => 'fieldset',
      '#attributes' => [
        'class' => [
          'fieldgroup',
        ],
      ],
      '#title' => $this->t('Site information'),
      '#access' => empty($install_state['config_install_path']),
    ];
    $form['site_information']['site_name'] = [
      '#type' => 'textfield',
      '#title' => $this->t('Site name'),
      '#required' => TRUE,
      '#weight' => -20,
      '#access' => empty($install_state['config_install_path']),
    ];
    // Use the default site mail if one is already configured, or fall back to
    // PHP's configured sendmail_from.
    $default_site_mail = $this->config('system.site')
      ->get('mail') ?: ini_get('sendmail_from');
    $form['site_information']['site_mail'] = [
      '#type' => 'email',
      '#title' => $this->t('Site email address'),
      '#default_value' => $default_site_mail,
      '#description' => $this->t("Automated emails, such as registration information, will be sent from this address. Use an address ending in your site's domain to help prevent these emails from being flagged as spam."),
      '#required' => TRUE,
      '#weight' => -15,
      '#access' => empty($install_state['config_install_path']),
    ];
    if (count($this->getAdminRoles()) === 0 && $this->superUserAccessPolicy === FALSE) {
      $account_label = $this->t('Site account');
    }
    else {
      $account_label = $this->t('Site maintenance account');
    }
    $form['admin_account'] = [
      '#type' => 'fieldset',
      '#attributes' => [
        'class' => [
          'fieldgroup',
        ],
      ],
      '#title' => $account_label,
    ];
    $form['admin_account']['account']['name'] = [
      '#type' => 'textfield',
      '#title' => $this->t('Username'),
      '#maxlength' => UserInterface::USERNAME_MAX_LENGTH,
      '#description' => $this->t("Several special characters are allowed, including space, period (.), hyphen (-), apostrophe ('), underscore (_), and the @ sign."),
      '#required' => TRUE,
      '#attributes' => [
        'class' => [
          'username',
        ],
      ],
    ];
    $form['admin_account']['account']['pass'] = [
      '#type' => 'password_confirm',
      '#required' => TRUE,
      '#size' => 25,
    ];
    $form['admin_account']['account']['#tree'] = TRUE;
    $form['admin_account']['account']['mail'] = [
      '#type' => 'email',
      '#title' => $this->t('Email address'),
      '#required' => TRUE,
    ];
    $form['regional_settings'] = [
      '#type' => 'fieldset',
      '#attributes' => [
        'class' => [
          'fieldgroup',
        ],
      ],
      '#title' => $this->t('Regional settings'),
      '#access' => empty($install_state['config_install_path']),
    ];
    // Use the default site timezone if one is already configured, or fall back
    // to the system timezone if set (and avoid throwing a warning in
    // PHP >=5.4).
    $default_timezone = $this->config('system.date')
      ->get('timezone.default') ?: @date_default_timezone_get();
    $form['regional_settings']['date_default_timezone'] = [
      '#type' => 'select',
      '#title' => $this->t('Default time zone'),
      '#default_value' => $default_timezone,
      '#options' => TimeZoneFormHelper::getOptionsListByRegion(),
      '#weight' => 5,
      '#attributes' => [
        'class' => [
          'timezone-detect',
        ],
      ],
      '#access' => empty($install_state['config_install_path']),
    ];
    $form['update_notifications'] = [
      '#type' => 'fieldset',
      '#attributes' => [
        'class' => [
          'fieldgroup',
        ],
      ],
      '#title' => $this->t('Update notifications'),
      '#description' => $this->t('When checking for updates, your site automatically sends anonymous information to Drupal.org. See the <a href="@update-status-module-docs" target="_blank">Update Status module documentation</a> for details.', [
        '@update-status-module-docs' => 'https://www.drupal.org/node/178772',
      ]),
      '#access' => empty($install_state['config_install_path']),
    ];
    $form['update_notifications']['enable_update_status_module'] = [
      '#type' => 'checkbox',
      '#title' => $this->t('Check for updates automatically'),
      '#default_value' => 1,
      '#access' => empty($install_state['config_install_path']),
    ];
    $form['update_notifications']['enable_update_status_emails'] = [
      '#type' => 'checkbox',
      '#title' => $this->t('Receive email notifications'),
      '#default_value' => 1,
      '#states' => [
        'visible' => [
          'input[name="enable_update_status_module"]' => [
            'checked' => TRUE,
          ],
        ],
      ],
      '#access' => empty($install_state['config_install_path']),
    ];
    $form['actions'] = [
      '#type' => 'actions',
    ];
    $form['actions']['submit'] = [
      '#type' => 'submit',
      '#value' => $this->t('Save and continue'),
      '#weight' => 15,
      '#button_type' => 'primary',
    ];
    return $form;
  }
  
  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    $violations = $this->userNameValidator
      ->validateName($form_state->getValue([
      'account',
      'name',
    ]));
    if ($violations->count() > 0) {
      $form_state->setErrorByName('account][name', $violations[0]->getMessage());
    }
  }
  
  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    global $install_state;
    if (empty($install_state['config_install_path'])) {
      $this->config('system.site')
        ->set('name', (string) $form_state->getValue('site_name'))
        ->set('mail', (string) $form_state->getValue('site_mail'))
        ->save(TRUE);
      $this->config('system.date')
        ->set('timezone.default', (string) $form_state->getValue('date_default_timezone'))
        ->save(TRUE);
    }
    $account_values = $form_state->getValue('account');
    // Enable update.module if this option was selected.
    $update_status_module = $form_state->getValue('enable_update_status_module');
    if (empty($install_state['config_install_path']) && $update_status_module) {
      $this->moduleInstaller
        ->install([
        'update',
      ]);
      // Add the site maintenance account's email address to the list of
      // addresses to be notified when updates are available, if selected.
      $email_update_status_emails = $form_state->getValue('enable_update_status_emails');
      if ($email_update_status_emails) {
        // Reset the configuration factory so it is updated with the new module.
        $this->resetConfigFactory();
        $this->config('update.settings')
          ->set('notification.emails', [
          $account_values['mail'],
        ])
          ->save(TRUE);
      }
    }
    // We created user 1 with placeholder values. Let's save the real values.
    /** @var \Drupal\user\UserInterface $account */
    $account = $this->entityTypeManager
      ->getStorage('user')
      ->load(1);
    $account->init = $account->mail = $account_values['mail'];
    $account->roles = $account->getRoles();
    $account->activate();
    $account->timezone = $form_state->getValue('date_default_timezone');
    $account->pass = $account_values['pass'];
    $account->name = $account_values['name'];
    // Ensure user 1 has an administrator role if one exists.
    /** @var \Drupal\user\RoleInterface[] $admin_roles */
    $admin_roles = $this->getAdminRoles();
    if (count(array_intersect($account->getRoles(), array_keys($admin_roles))) === 0) {
      if (count($admin_roles) > 0) {
        foreach ($admin_roles as $role) {
          $account->addRole($role->id());
        }
      }
      elseif ($this->superUserAccessPolicy === FALSE) {
        $this->messenger()
          ->addWarning($this->t('The user %username does not have administrator access. For more information, see the documentation on <a href="@secure-user-1-docs">securing the admin super user</a>.', [
          '%username' => $account->getDisplayName(),
          '@secure-user-1-docs' => 'https://www.drupal.org/docs/administering-a-drupal-site/security-in-drupal/securing-the-admin-super-user-1#s-disable-the-super-user-access-policy',
        ]));
      }
    }
    $account->save();
  }
  
  /**
   * Returns the list of admin roles.
   *
   * @return \Drupal\user\RoleInterface[]
   *   The list of admin roles.
   */
  protected function getAdminRoles() : array {
    return $this->entityTypeManager
      ->getStorage('user_role')
      ->loadByProperties([
      'is_admin' => TRUE,
    ]);
  }

}