private static Loan CreateLoan(Loantypes loanType, int tenure, double interestRate, int principal, DateTime payoutDate, IDayCounter dayCalculator)
{
Loan loan;
switch (loanType)
{
case Loantypes.FixedEmiLoan:
loan = new FixedEmiLoan(dayCalculator);
break;
case Loantypes.FixedAmortizationLoan:
loan = new FixedAmortizationLoan(dayCalculator);
break;
case Loantypes.FixedInterestLoan:
loan = new FixedInterestLoan(dayCalculator);
break;
default: throw new ArgumentException("Loan type not implemented");
}
;
loan.TenureYears = tenure;
loan.InterestRate = interestRate;
loan.StartAmount = principal;
loan.CurrentPrincipal = principal;
loan.PayoutDate = payoutDate;
return(loan);
}
static void TestCreatingInvoices2(IDayCounter dayCalculator, string filename)
{
var loan = new FixedAmortizationLoan(dayCalculator)
{
InterestRate = 10,
CurrentPrincipal = 10000,
StartAmount = 10000,
PayoutDate = new DateTime(2017, 10, 01),
TenureYears = 10,
};
var invoices = new List <Invoice>();
var baseDate = loan.PayoutDate;
while (loan.CurrentPrincipal > 0.001)
{
baseDate = baseDate.AddMonths(1);
var date = baseDate.AddDays(-1);
var invoice = loan.AddInvoice(date, new DateTime(date.Year, date.Month, 1), baseDate, 0.0);
loan.CurrentPrincipal -= invoice.Principal;
invoices.Add(invoice);
//Console.WriteLine(invoice.ToString());
//Console.WriteLine($"{invoice.InvoiceDate.ToString("MMM-yyyy")} | {Math.Round(invoice.FullInvoiceAmount, 0, MidpointRounding.AwayFromZero)} | {Math.Round(invoice.Interest, 0, MidpointRounding.AwayFromZero)} | {Math.Round(invoice.Principal, 0, MidpointRounding.AwayFromZero)} | {Math.Round(loan.CurrentPrincipal, 0, MidpointRounding.AwayFromZero)}");
}
Console.WriteLine($"SUM: Principal {invoices.Sum(s => s.Principal)}, Interest: {invoices.Sum(s => s.Interest)}, InvoiceFee: {invoices.Sum(s => s.InvoiceFee)}, LateFee: {invoices.Sum(s => s.LateFee)}");
TestOutput.CreateCSV(invoices, filename);
}
