<?php

namespace Drupal\dds_content\Plugin\Field\FieldWidget;

use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\link\Plugin\Field\FieldWidget\LinkWidget;
use function GuzzleHttp\Promise\all;

/**
 * Plugin implementation of the DDS Button widget.
 *
 * @FieldWidget(
 *   id = "dds_button",
 *   label = @Translation("DDS Button"),
 *   field_types = {
 *     "dds_button"
 *   }
 * )
 */
class DDSButtonWidget extends LinkWidget {

  /**
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    $settings = parent::defaultSettings();
    $settings['target_blank'] = 0;
    return $settings;
  }

  /**
   * {@inheritdoc}
   */
  public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
    $widget = parent::formElement($items, $delta, $element, $form, $form_state);
    $value = $items[$delta]->getValue();

    $widget['uri']['#type'] = 'dds_content_entity_autocomplete';
    $widget['uri']['#target_type'] = 'multiple';
    $widget['uri']['#target_types'] = ['node', 'media'];
    $uri = isset($value['uri']) ? $value['uri'] : NULL;
    if($uri) {
      $uri = str_replace('internal:', '', $uri);
    }
    $widget['uri']['#default_value'] = $uri;

    $widget['button_style'] = [
      '#type' => 'select',
      '#options' => $this->getSelectOptions($this->fieldDefinition->getSetting('allowed_values')),
      '#title' => $this->t('Button style'),
      '#default_value' => isset($value['button_style']) ? $value['button_style'] : null,
    ];

    $widget['target_blank'] = [
      '#type' => 'checkbox',
      '#default_value' => !empty($value['target_blank']) ? $value['target_blank'] : 0,
      '#title' => $this->t('Open in new window')
    ];

    return $widget;
  }

  public function getSelectOptions(string $allowed_values) {
    $options = [];
    foreach(preg_split("/((\r?\n)|(\r\n?))/", $allowed_values) as $value){
      $parts = explode('|', $value);
      if(count($parts) == 2) {
        $options[$parts[0]] = $parts[1];

      }
    }
    return $options;
  }


}