<?php

namespace Drupal\statusmessage\Form;

use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\statusmessage\Entity\Status;
use Drupal\statusmessage\ClientGeneratorService;
use Drupal\statusmessage\MarkupGenerator;
use Drupal\statusmessage\StatusService;
use Drupal\statusmessage\StatusTypeService;
use Drupal\statusmessage\Ajax\ClientCommand;
use Drupal\statusmessage\StatusHeartPost;
use Drupal\statusmessage\StatusTwitter;
use Drupal\statusmessage\StatusYoutube;
use Drupal\Core\Ajax\AjaxResponse;
use Drupal\heartbeat\Ajax\SelectFeedCommand;
use Symfony\Component\DependencyInjection\ContainerInterface;


/**
 * Form controller for Status edit forms.
 *
 * @ingroup statusmessage
 */
class StatusForm extends FormBase {

  protected $statusTypeService;

  protected $statusService;

  protected $markupgenerator;

  private $mediaTabs;

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static(
      $container->get('status_type_service'),
      $container->get('statusservice'),
      $container->get('markupgenerator'));
  }

  //TODO remove markup generator from this class

  /**
   * StatusForm constructor.
   * @param StatusTypeService $status_type_service
   * @param StatusService $status_service
   */
  public function __construct(StatusTypeService $status_type_service, StatusService $status_service, MarkupGenerator $markupgenerator) {
    $this->statusTypeService = $status_type_service;
    $this->statusService = $status_service;
    $this->markupgenerator = $markupgenerator;
    $this->mediaTabs = ['Photo', 'Video'];
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    /* @var $entity \Drupal\statusmessage\Entity\Status */

    $form['#attached']['library'][] = 'statusmessage/status';

    if (\Drupal::moduleHandler()->moduleExists('heartbeat')) {
      $friendData = \Drupal::config('heartbeat_friendship.settings')->get('data');

      $form['#attached']['library'][] = 'heartbeat/heartbeat';
      $form['#attached']['drupalSettings']['friendData'] = $friendData;
    }

    $form['message'] = array(
      '#type' => 'textarea',
      '#description' => 'Status Message',
      '#attributes' => array(
        'placeholder' => t('Post a status update'),
      ),
      '#ajax' => [
        'event' => 'change, paste, keyup',
        'callback' => '::generatePreview',
        'progress' => array(
          'type' => 'throbber',
          'message' => t('Generating preview'),
        ),
      ],
    );

//    $form['mediatabs'] = [
//      '#type' => 'radios',
////      '#description' => $this->t('User selectable feeds'),
//      '#options' => $this->mediaTabs,
////      '#ajax' => [
////        'callback' => '::updateFeed',
//////        'event' => 'onclick',
////        'progress' => array(
////          'type' => 'none',
//////        'message' => t('Fetching feed'),
////        ),
//      ];


    $form['post'] = array(
      '#type' => 'submit',
      '#description' => 'Post',
      '#value' => t('Post'),
      '#ajax' => [
        'callback' => '::statusAjaxSubmit',
        'progress' => array(
          'type' => 'throbber',
          'message' => t('Posting Message'),
          ),
      ]

    );
$stophere = null;
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function save(array $form, FormStateInterface $form_state) {
    $entity = $this->entity;
    $status = parent::save($form, $form_state);


    switch ($status) {
      case SAVED_NEW:
        drupal_set_message($this->t('Created the %label Status.', [
          '%label' => $entity->label(),
        ]));
        break;

      default:
        drupal_set_message($this->t('Saved the %label Status.', [
          '%label' => $entity->label(),
        ]));
    }
    $form_state->setRedirect('entity.status.canonical', ['status' => $entity->id()]);
  }

  /**
   * Returns a unique string identifying the form.
   *
   * @return string
   *   The unique string identifying the form.
   */
  public function getFormId() {
    return 'status_form';
  }

  /**
   * Form submission handler.
   *
   * @param array $form
   *   An associative array containing the structure of the form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   * @throws \Drupal\Core\Entity\EntityStorageException
   * @throws \InvalidArgumentException
   */

  public function generatePreview(array &$form, FormStateInterface $form_state) {

    $message = $form_state->getValue('message');

    preg_match_all('#\bhttps?://[^,\s()<>]+(?:\([\w\d]+\)|([^,[:punct:]\s]|/))#', $message, $match);


    if ($this->markupgenerator !== null && !empty($match) && array_values($match)[0] !== null) {

      $url = array_values($match)[0];

//      $this->previewGenerator->generatePreview($url);

      $response = new AjaxResponse();
      $response->addCommand(new ClientCommand($url[0]));

      return $response;


    }

//    if (!empty($this->statusTypeService)) {
//      foreach ($this->statusTypeService->loadAll() as $type) {
//        if (!$type->getMedia()) {
//
//          $userViewed = \Drupal::routeMatch()->getParameters()->get('user') === null ? \Drupal::currentUser()->id() : \Drupal::routeMatch()->getParameters()->get('user')->id();
//
//          if ($userViewed !== null) {
//
//            $statusEntity = Status::create([
//              'type' => $type->id(),
//              'uid' => \Drupal::currentUser()->id(),
//              'recipient' => $userViewed
//            ]);
//
//            $statusEntity->setMessage($form_state->getValue('message'));
//            $statusEntity->save();
//
//            if (\Drupal::service('module_handler')->moduleExists('heartbeat')) {
//
////              $configManager = \Drupal::service('config.manager');
//              $feedConfig = \Drupal::config('heartbeat_feed.settings');
////              $feedConfig = $feedConfig = $configManager->get('heartbeat_feed.settings');
//              $response = new AjaxResponse();
//              $response->addCommand(new SelectFeedCommand($feedConfig->get('message')));
//
//              return $response;
//            }
//            break;
//          }
//        }
//      }
//    }
  }
  public function statusAjaxSubmit(array &$form, FormStateInterface $form_state) {
    $message = $form_state->getValue('message');
    if (strlen(trim($message)) > 1) {
      preg_match_all('#\bhttps?://[^,\s()<>]+(?:\([\w\d]+\)|([^,[:punct:]\s]|/))#', $message, $match);

      if ($this->markupgenerator !== NULL && !empty($match) && array_values($match)[0] !== NULL) {

        $url = is_array(array_values($match)[0]) ? array_values(array_values($match)[0])[0] : array_values($match)[0];

        if (strpos($message, 'twitter')) {


          $statusTwitter = new StatusTwitter($url);
          $nid = $statusTwitter->sendRequest();

        } else if (strpos($message, 'youtube') || strpos($message, 'youtu.be')) {

          $statusYoutube = new StatusYoutube($url);
          $nid = $statusYoutube->generateNode();

        } else {
          $statusHeartPost = new StatusHeartPost($url);
          $statusHeartPost->sendRequest();

        }

      }

      if ($nid === NULL && !empty($this->statusTypeService)) {
        $statusCreated = false;
        foreach ($this->statusTypeService->loadAll() as $type) {
          if (!$statusCreated && !$type->getMedia()) {

            $userViewed = \Drupal::routeMatch()
              ->getParameters()
              ->get('user') === NULL ? \Drupal::currentUser()
              ->id() : \Drupal::routeMatch()
              ->getParameters()
              ->get('user')
              ->id();

            if ($userViewed !== NULL) {

              $statusEntity = Status::create([
                'type' => $type->id(),
                'uid' => \Drupal::currentUser()->id(),
                'recipient' => $userViewed
              ]);

              $statusEntity->setMessage($message);
              if ($statusEntity->save()) {
                $statusCreated = TRUE;
              }
            }
          }
        }
      }

      if (\Drupal::service('module_handler')
          ->moduleExists('heartbeat') && ($nid !== NULL || $statusEntity !== NULL)
      ) {

//              $configManager = \Drupal::service('config.manager');
        $feedConfig = \Drupal::config('heartbeat_feed.settings');
//              $feedConfig = $feedConfig = $configManager->get('heartbeat_feed.settings');
        $response = new AjaxResponse();
        $response->addCommand(new SelectFeedCommand($feedConfig->get('message')));

        return $response;
      }
    }
    return null;
  }

  /**
   * Form submission handler.
   *
   * @param array $form
   *   An associative array containing the structure of the form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {

  }
}