<?php

declare(strict_types=1);

namespace Drupal\menu_per_role\Form;

use Drupal\Core\Form\ConfigFormBase;
use Drupal\Core\Form\FormStateInterface;

/**
 * Menu Per Role administration form.
 */
class MenuPerRoleAdminSettings extends ConfigFormBase {

  /**
   * Display both hide and show role checkbox lists.
   */
  public const MODE_DISPLAY_BOTH = 0;

  /**
   * Display only the hide from checkbox list.
   */
  public const MODE_DISPLAY_ONLY_HIDE = 1;

  /**
   * Display only the show to checkbox list.
   */
  public const MODE_DISPLAY_ONLY_SHOW = 2;

  /**
   * Always display fields on links to content.
   */
  public const MODE_DISPLAY_ON_CONTENT_ALWAYS = 0;

  /**
   * Only display fields on menu items if there are no node_access providers.
   */
  public const MODE_DISPLAY_ON_CONTENT_NO_NODE_ACCESS = 1;

  /**
   * Never display fields on links to content.
   */
  public const MODE_DISPLAY_ON_CONTENT_NEVER = 2;

  /**
   * {@inheritdoc}
   */
  protected function getEditableConfigNames() {
    return ['menu_per_role.settings'];
  }

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'menu_per_role_settings';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form = parent::buildForm($form, $form_state);
    $config = $this->config('menu_per_role.settings');

    $form['admin_bypass'] = [
      '#type' => 'details',
      '#title' => $this->t('Administrator bypass'),
      '#description' => $this->t('The user with UID 1 and the users with the "admin" role configured on the <a href=":url">Account settings</a> page (or marked via config) have all the permissions. So they will automatically bypass Menu Per Role access check due to the bypass permissions. These settings allows you to configure if those users can bypass or not Menu Per Role access check.'),
      '#open' => TRUE,
    ];

    $form['admin_bypass']['admin_bypass_access_front'] = [
      '#type' => 'checkbox',
      '#title' => $this->t('Administrator role bypass access check in front'),
      '#default_value' => $config->get('admin_bypass_access_front'),
    ];

    $form['admin_bypass']['admin_bypass_access_admin'] = [
      '#type' => 'checkbox',
      '#title' => $this->t('Administrator role bypass access check in admin context'),
      '#default_value' => $config->get('admin_bypass_access_admin'),
    ];

    $form['hide_show'] = [
      '#type' => 'radios',
      '#title' => $this->t('Select what is shown when editing menu items'),
      '#options' => [
        static::MODE_DISPLAY_BOTH => $this->t('Hide and Show check boxes'),
        static::MODE_DISPLAY_ONLY_HIDE => $this->t('Only Hide check boxes'),
        static::MODE_DISPLAY_ONLY_SHOW => $this->t('Only Show check boxes'),
      ],
      '#description' => $this->t('By default, both list of check boxes are shown when editing a menu item (in the menu administration area or while editing a node.) This option let you choose to only show the "Show menu item only to selected roles" or "Hide menu item from selected roles". WARNING: changing this option does not change the existing selection. This means some selection will become invisible when you hide one of the set of check boxes...'),
      '#default_value' => $config->get('hide_show'),
    ];

    $form['hide_on_content'] = [
      '#type' => 'radios',
      '#title' => $this->t('Show fields on menu items that point to content'),
      '#options' => [
        static::MODE_DISPLAY_ON_CONTENT_ALWAYS => $this->t('Always'),
        static::MODE_DISPLAY_ON_CONTENT_NO_NODE_ACCESS => $this->t('If NO Node Access Modules are enabled.'),
        static::MODE_DISPLAY_ON_CONTENT_NEVER => $this->t('Never'),
      ],
      '#description' => $this->t('Fields are shown when editing any menu item. This will hide the fields when editing menu items, that point to nodes. This is useful on sites using Node Access modules.'),
      '#default_value' => $config->get('hide_on_content'),
    ];

    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state): void {
    $this->config('menu_per_role.settings')
      ->set('admin_bypass_access_front', $form_state->getValue('admin_bypass_access_front'))
      ->set('admin_bypass_access_admin', $form_state->getValue('admin_bypass_access_admin'))
      ->set('hide_show', $form_state->getValue('hide_show'))
      ->set('hide_on_content', $form_state->getValue('hide_on_content'))
      ->save();

    parent::submitForm($form, $form_state);
  }

}
