<?php
/**
 * Created by PhpStorm.
 * User: mher
 * Date: 10/11/17
 * Time: 4:38 PM
 */

class TenwebServices {

  private static $is_manager_ready = false;

  /**
   * @param string $url Site URL to retrieve.
   * @param array $args Optional.
   * @param string $error_key Optional.
   * @return WP_Error|wp_response WP_Error when manager not ready
   */
  public static function do_request($url, $args = array(), $error_key = null){
    $manager_ready = self::manager_ready();
    if($manager_ready === true) {

      $api = \Tenweb_Manager\Api::get_instance();
      $api->request($url, $args, $error_key);

      return $api->get_last_response();
    } else {
      return $manager_ready;
    }

  }

  /**
   * @param string $pwd
   * @return WP_Error|boolean WP_Error when manager not ready,
   * false when $pwd not equal to user password or user not exists
   * true on success
   */
  public static function check_user_password($pwd){
    $manager_ready = self::manager_ready();
    if($manager_ready == true) {

      $user = \Tenweb_Manager\User::get_instance();
      return $user->check_password($pwd);
    } else {
      return $manager_ready;
    }
  }

  public static function get_domain_id(){
    return get_site_option(TENWEB_PREFIX . '_domain_id');
  }

  public static function get_timezone_offset(){
    return get_site_option(TENWEB_PREFIX . '_user_timezone_offset');
  }

  /**
   * @return WP_Error|boolean
   */
  public static function manager_ready(){
    if(self::$is_manager_ready == true) {
      return true;
    }

    if(self::manager_loaded() == false) {
      return new WP_Error('manager_not_loaded', 'Manager not loaded.');
    }

    if(self::manager_authorized() == false) {
      return new WP_Error('manager_unauthorized.', 'Manager unauthorized.');
    }

    self::$is_manager_ready = true;
    return true;
  }

  /**
   * @return boolean
   */
  private static function manager_authorized(){
    $login = \Tenweb_Manager\Login::get_instance();
    return $login->check_logged_in();
  }

  /**
   * @return boolean true when Manager class exists or false
   */
  private static function manager_loaded(){
    return class_exists('Tenweb_Manager\Manager')
            && class_exists('Tenweb_Manager\Login')
            && class_exists('Tenweb_Manager\API')
            && class_exists('Tenweb_Manager\User');
  }

}