login(json: json) {status, token, code in
                if(token != nil && code == 200){
                    print(token)
                }
                else{
                    print(1)
                    print(token)
                    print(code)
                }
            }


func login(json:Any,completionHandler: (_ granted: Bool, _ token: String?, _ code: Int?) -> ()){
    var codeToSend:Int = 0
    var token:String = ""
    POST(json: json){ data, code in
        if(code == 200)
        {
            do{
                if let json_response = try JSONSerialization.jsonObject(with: data, options: [])as? [String:Any]{
                    if let temp_token = json_response["auth_token"]{
                        print(temp_token as! String)
                        token = temp_token as! String
                        codeToSend = 200
                    }
                }
                else{
                    print("неизвестная ошибка")
                }
            }
            catch{
                print("errasd")
                print(error)
            }
        }
        else if(code == 400)
        {
            token = ""
            codeToSend = 400
            print("Неверное имя пользователя или пароль")
        }
        else{
            token = ""
            codeToSend = 0
        }
    }
//    return (token, codeToSend)
    completionHandler(true, token,codeToSend)
}
func POST(json: Any, callback: @escaping (_ data: Data, _ code: Int?) -> ())
{
    guard let url = URL(string: ngrok+"/api/auth/token/create")else{return}
    var request = URLRequest(url: url)
    request.httpMethod = "POST"
    request.setValue("application/json", forHTTPHeaderField:"Content-Type")

    guard let httpBody = try? JSONSerialization.data(withJSONObject: json, options: [])else {return}
    request.httpBody = httpBody
    let sessionConfig = URLSessionConfiguration.default
    sessionConfig.timeoutIntervalForRequest = 5.0
    sessionConfig.timeoutIntervalForResource = 60.0
    URLSession(configuration: sessionConfig).dataTask(with: request){(data, response, error) in
        if  error != nil{
            print("Ошибка севреа")
            DispatchQueue.main.async {callback(Data("".utf8), 0)}
        }
        if let response = response{
            print(response)
            if let httpResponse = response as? HTTPURLResponse{
                DispatchQueue.main.async {callback(
                    data!, httpResponse.statusCode)
                }
            }
        }
        }.resume()
}