<?php

/**
 * @file
 * Contains DrupalremoteuserControllerRemoteUserController
 */

 namespace DrupalremoteuserController;

 use DrupalCoreControllerControllerBase;
 use DrupalCoreFormFormState;
 use DrupalCoreEntity;
 use DrupaluserController;
 use SymfonyComponentHttpFoundationJsonResponse;

class RemoteUserController extends ControllerBase
{
  public function login() {
    $form_state = (new FormState())->setValues($_POST);
    Drupal::formBuilder()->submitForm('DrupaluserFormUserLoginForm', $form_state);

    // Check for errors from the from
    if ($errors = $form_state->getErrors()) {
      // Return errors to notify the client.
      return new JsonResponse( array( 'error' => $errors ) );
    }
    else {
      // Return new user session to client.
      $uid = Drupal::service('user.auth')->authenticate($_POST['name'], $_POST['pass']);
      $session_manager = Drupal::service('session_manager');
      $session_id = $session_manager->getId();
      return new JsonResponse( array( 'uid' => $uid, 'session_id' => $session_id ) );
    }
  }

  public function register() {
    // Validate the e-mail address first.
    if (!Drupal::service('email.validator')->isValid($_POST['mail'])) {
      return new JsonResponse( array( 'error' => 'Invalid e-mail address' ) );
    }

    // Create password if it was not provided.
    $password = $_POST['pass'] ? $_POST['pass'] : user_password();

    /** @var DrupaluserEntityUser $user */
    $user = entity_create('user', array(
      'name' => $_POST['name'],
      'mail' => $_POST['mail'],
      'pass' => $password,
    ));

    // Validate the object.
    $errors = $user->validate();

    if ($errors->count() > 0) {
      // Return errors to notify the client.
      return new JsonResponse( array( 'error' => $errors->__toString() ) );
    } else {
      // Save new user
      $user->save();
      // Return new user credentials
      return new JsonResponse( array( 'user' => $user->toArray() ) );
    }
  }

  public function logout() {
    $result = user_logout();

    return new JsonResponse($result);
  }

  public function login_status() {
    $uid = Drupal::currentUser()->id();

    $session_manager = Drupal::service('session_manager');
    $session_id = $session_manager->getId();

    return new JsonResponse( array( 'uid' => $uid, 'session_id' => $session_id ) );
  }
}