public static IForm <CardToCardTransfer> MakeForm()
        {
            FormBuilder <CardToCardTransfer> _order = new FormBuilder <CardToCardTransfer>();

            ValidateAsyncDelegate <CardToCardTransfer> validateCard =
                async(state, value) =>
            {
                var    cardNumber = value as string;
                string errorMessage;

                ValidateResult result = new ValidateResult();
                result.IsValid  = CardValidator.IsCardValid(cardNumber, out errorMessage);
                result.Feedback = errorMessage;

                return(result);
            };

            return(_order
                   .Message("Добро пожаловать в сервис перевода денег с карты на карту!")
                   .Field(nameof(CardToCardTransfer.SourceCardNumber), null, validateCard)
                   .Field(nameof(CardToCardTransfer.Fee), state => false)
                   .Field(nameof(CardToCardTransfer.ValidThruMonth))
                   .Field(nameof(CardToCardTransfer.ValidThruYear))
                   .Field(nameof(CardToCardTransfer.DestinationCardNumber), null, validateCard)
                   .Field(nameof(CardToCardTransfer.CVV))
                   .Field(nameof(CardToCardTransfer.Amount), null,
                          async(state, value) =>
            {
                int amount = int.Parse(value.ToString());

                var alfabankService = new AlfabankService();
                string auth = await alfabankService.AuthorizePartner();
                state.Fee = (double)await alfabankService.GetCommission(auth, state.SourceCardNumber, state.DestinationCardNumber, amount);

                ValidateResult result = new ValidateResult();
                result.IsValid = true;
                return result;
            })
                   .Confirm("Вы хотите перевести {Amount} рублей с карты {SourceCardNumber} на карту {DestinationCardNumber}? Комиссия составит {Fee} рублей. (y/n)")
                   .OnCompletionAsync(async(context, cardTocardTransfer) =>
            {
                Debug.WriteLine("{0}", cardTocardTransfer);
            })
                   .Build());
        }