<?php

namespace Drupal\youtube_video_formatter\Plugin\Field\FieldFormatter;

use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Field\FormatterBase;
use Drupal\Core\Form\FormStateInterface;


/**
 * Plugin implementation of the 'YouTube Video' formatter.
 *
 * @FieldFormatter(
 *   id = "youtube_video_formatter",
 *   label = @Translation("YouTube Video"),
 *   field_types = {
 *     "string"
 *   }
 * )
 */
class YoutubeFieldFormatter extends FormatterBase {
  // /**
  //  * {@inheritdoc}
  //  */
  public function settingsSummary() {
    $summary = [
      'title' => 'Settings:',
      'Width' => t('Width: ').$this->getSetting('vwidth'),
      'Height' => t('Height: ').$this->getSetting('vheight'),
      'Auto play' => t('Autoplay:').$this->getSetting('autoplayon'),

    ];
    return $summary;
  }

  /**
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    return [
      'vwidth' => '560',
      'vheight' => '325',
      'autoplayon' => '0',
    ] + parent::defaultSettings();
  }

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    $element = [];
    // kint($form);
    $element['vwidth'] = [
    '#title' => t('Video Width'),
    '#type' => 'textfield',
    // '#default_value' => $this->getSetting('vwidth'),
    ];

    $element['vheight'] = [
      '#title' => t('Video Height'),
      '#type' => 'textfield',
      // '#default_value' => $this->getSetting('vheight'),
    ];
    $element['autoplayon'] = [
      '#title' => t('Autoplay on?'),
      '#type' => 'checkbox',
      // '#default_value' => $this->getSetting('autoplayon'),
    ];


    return $element;
  }
  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $element = [];
    foreach ($items as $delta => $item) {
      $element[$delta] = [
        '#theme' => 'youtube_video',
        '#youtube_id' => $item->value,
        '#vheight' => $this->getSetting('vheight'),
        '#vwidth' => $this->getSetting('vwidth'),
        '#autoplayon' => $this->getSetting('autoplayon'),
      ];
    }

    return $element;
  }

}