<?php

namespace Drupal\custom_forms\Plugin\Derivative;

use Drupal\Component\Plugin\Derivative\DeriverBase;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\custom_forms\CustomFormsFieldTypeManager;
use Drupal\custom_forms\CustomFormsGroupTypeManager;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Class CustomFormItemActionLink
 *
 * @package Drupal\custom_forms\Plugin\Derivative
 */
class CustomFormItemActionLink extends DeriverBase implements ContainerDeriverInterface {

  use StringTranslationTrait;

  /**
   * @var EntityTypeManagerInterface $entityTypeManager.
   */
  protected $entityTypeManager;

  /**
   * @var CustomFormsFieldTypeManager $typeManager
   */
  protected $typeManager;

  /**
   * @var CustomFormsGroupTypeManager $groupManager
   */
  protected $groupManager;

  /**
   * Creates a ProductMenuLink instance.
   *
   * @param $base_plugin_id
   * @param EntityTypeManagerInterface $entity_type_manager
   * @param \Drupal\custom_forms\CustomFormsFieldTypeManager $type_manager
   * @param \Drupal\custom_forms\CustomFormsGroupTypeManager $group_manager
   */
  public function __construct($base_plugin_id, EntityTypeManagerInterface $entity_type_manager, CustomFormsFieldTypeManager $type_manager, CustomFormsGroupTypeManager $group_manager) {
    $this->entityTypeManager = $entity_type_manager;
    $this->typeManager = $type_manager;
    $this->groupManager = $group_manager;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, $base_plugin_id) {
    return new static(
      $base_plugin_id,
      $container->get('entity_type.manager'),
      $container->get('plugin.manager.custom_forms_field_types'),
      $container->get('plugin.manager.custom_forms_group_types')
    );
  }

  /**
   * {@inheritdoc}
   */
  public function getDerivativeDefinitions($base_plugin_definition) {
    $actions = [];

    if (count($this->typeManager->getDefinitions()) > 0) {
      $actions['add_field'] = [
        'title' => $this->t('Add field'),
        'route_name' => 'custom_form.field_list.add_field_form'
      ] + $base_plugin_definition;
    }

    if (count($this->groupManager->getDefinitions()) > 0) {
      $actions['add_group'] = [
          'title' => $this->t('Add group'),
          'route_name' => 'custom_form.field_list.add_group_form'
        ] + $base_plugin_definition;
    }

    return $actions;
}}