<?php

namespace Drupal\coursehunter\Plugin\Block;

use Drupal\Core\Block\BlockPluginInterface;
use Drupal\Core\Block\BlockBase;
use Drupal\node\Entity\Node;

/**
 * Provides a 'OfficialAddress' block.
 *
 * @Block(
 *  id = "OfficialAddress",
 *  admin_label = @Translation("Official Address"),
 * )
 */
class OfficialAddress extends BlockBase implements BlockPluginInterface {


  public function getPhoneNumber($node) {

    if (!isset($node) || empty($node)) {
      return "";
    }

    return $node->get("field_phone_number")
             ->getValue()[0]['value'];
  }

  /**
   * {@inheritdoc}
   */
  public function build() {

    $language = \Drupal::languageManager()->getCurrentLanguage()->getId();

    $activeNids = \Drupal::entityQuery('node')
      ->condition('type', 'official_contact')
      ->range(0, 1)
      ->condition("langcode", $language)
      ->execute();


    $nid = NULL;
    foreach ($activeNids as $k => $id) {
      $nid = $id;
      break;
    }

    $activeNode = Node::load($nid);
    $activeTitle = "";
    $activePhoneNumber = $this->getPhoneNumber($activeNode);
    if ($activeNode) {
      $activeTitle = $activeNode->getTitle();
    }


    $nids = \Drupal::entityQuery('node')
      ->condition('type', 'official_contact')
      ->condition("langcode", $language, '<>')
      ->execute();

    $nodes = Node::loadMultiple($nids);

    $list = [];
    foreach ($nodes as $node) {
      $title = $node->getTitle();
      $contactPhone = $this->getPhoneNumber($node);
      $list[] = [
        "#markup" => "<span class=\"city\">$title</span><a href=\"tel:$contactPhone\">$contactPhone</a>",
      ];
    }

    $build['output'] = [
      "#prefix"  => "<div class=\"branch-contact-information\">",
      "#subffix" => "</div>",
      '#markup'  => "<p><span>$activeTitle</span><a href=\"tel:$activePhoneNumber\">$activePhoneNumber</a></p>",
      "children" => [
        '#theme'      => 'item_list',
        '#list_type'  => 'ul',
        '#title'      => NULL,
        '#items'      => $list,
        '#attributes' => ['class' => 'official-phone-numbers'],
      ],
    ];


    return $build;
  }


  public function getCacheMaxAge() {

    return 0;
  }

}