public PaymentSummary(LoanCalculationInput input, FeeOptions feeOptions)
{
PaymentItems = new List <PaymentItem>();
VehiclePrice = input.VehiclePrice.Value;
DepositAmount = input.DepositAmount.Value;
LoanAmount = VehiclePrice - DepositAmount;
RateOfInterest = 0;
MaximumRepaymentPeriod = input.FinanceYear.Value * 12;
MonthlyPayment = CalculateMonthlyPayment(input);
DeliveryDate = input.DeliveryDate.Value;
ArrangementFee = feeOptions.ArrangementFee;
CompletionFee = feeOptions.CompletionFee;
decimal totalPayment = 0;
for (int index = 0; index < MaximumRepaymentPeriod; index++)
{
decimal paymentAmount = MonthlyPayment;
totalPayment += paymentAmount;
if (index == 0)
{
paymentAmount += ArrangementFee;
}
if (index == MaximumRepaymentPeriod - 1)
{
paymentAmount += CompletionFee;
}
DateTime deliveryMonth = DeliveryDate.AddMonths(index + 1);
PaymentItems.Add(new PaymentItem(GetFirstMonday(new DateTime(deliveryMonth.Year, deliveryMonth.Month, 1)), paymentAmount, LoanAmount - totalPayment));
}
}
private decimal CalculateMonthlyPayment(LoanCalculationInput input)
{
return(LoanAmount / (input.FinanceYear.Value * 12));
}