Swift

struct ValidUserTruth : Decodable {
    var result: DetailUser?
    var httpStatusCode:Int
    }

struct DetailUser: Decodable {
    var Result: Int?
    var RequiredInfo: Int?
//    var Custom: String?
    var UserId: Int?
//    var deposits: Decimal?
//    var points: Int?
    var Name: String?
//    var AuthenticationType: String?
//    var Role: Int?

}

struct UserBalance: Decodable {
    var result: Decimal
    var httpStatusCode: Int
}
var BalanceUser : Decimal?
func CheckBalance (UserID : Int) -> Decimal {
    let urlString = "http://\(MasterLog):\(MasterPass)@\(IP)/api/users/\(UserID)/points"
    guard let url = URL(string: urlString) else { return 0 }
    URLSession.shared.dataTask(with: url) { (data, response, error) in

        guard let data = data else { return }
        guard error == nil else { return }

        do {
            let balance = try JSONDecoder().decode(UserBalance.self, from: data)
            BalanceUser = balance.result
            print("Your balance is \(BalanceUser ?? 123)")

        } catch let error { print(error) }


    }.resume()
    print("I'm here")
//    ViewController().TitleBalance.text = "Your Balance will be here"
    let vc = ViewController()
    vc.labelText = "new label"

    print("I'm still here \(BalanceUser ?? 23)")
    return BalanceUser ?? 12
}


func CheckUser (Login: String, Password: String) -> Bool {
    let urlString = "http://\(MasterLog):\(MasterPass)@\(IP)/api/users/\(Login)/\(Password)/valid"
    guard let url = URL(string: urlString) else { return false }
//
//        guard let NewURL = URL(string: urlString) else { return false }
  //URLSession.shared.dataTask(with: url) { (data, resonse, error) in
//        URLSession.shared.dataTask(with: NewURL) { (data, response, error) in
    URLSession.shared.dataTask(with: url) { (data, response, error) in
        guard let data = data else { return }
        guard error == nil else { return }

        do {
            let checking = try JSONDecoder().decode(ValidUserTruth.self, from: data)
            print("Our URL is \(url)")
            print("Here start JSON - \(checking)")
            print("Result \(checking.result!.Result!)")
            print("User ID - \(String(describing: checking.result!.UserId!))")
            //print("The Balance of user \(LogEn) is \(self.CheckBalance(UserID: checking.result!.UserId!) and ID user is ")
            print(CheckBalance(UserID: checking.result!.UserId!))
            print("let try to see it \(BalanceUser ?? 0)")
        } catch let error { print(error)}
    }.resume()

//    TitleLabel.text = LogEn.text! + " " + PassEn.text!
    return true
}

class ViewController: UIViewController {
    var labelText: String?
    @IBOutlet weak var TitleLabel: UILabel!
    @IBOutlet weak var LogEn: UITextField!
    @IBOutlet weak var PassEn: UITextField!
    @IBOutlet weak var TitleBalance: UILabel!
    @IBOutlet weak var TitleButton: UIButton!
    @IBAction func PushButton(_ sender: UIButton) {
        guard LogEn.text != "" else { return }
        guard PassEn.text != "" else { return }
        if CheckUser(Login: LogEn.text!, Password: PassEn.text!) {print("We're in")
            print("new text\(BalanceUser)")
        } else {print("Somehing goes wrong")}
//        print(BalanceUser!)
    }

    override func viewDidLoad() {
        super.viewDidLoad()
        TitleLabel.text = labelText ?? ""
        // Do any additional setup after loading the view.

//        guard let url = URL(string: urlString) else { return }
//
//        URLSession.shared.dataTask(with: url) { (data, response, error) in
//            guard let data = data else { return }
//            guard error == nil else { return }
//


    }


}