/******************************************************************************
 * This program...
 * 
 * Copyright © 2020 Richard Lesh.  All rights reserved.
 *****************************************************************************/

import org.pureprogrammer.Utils;

public class AmortizationTable2 {

    public static void main(String[] args) {
        if (args.length != 3) {
            System.out.println(Utils.format("Syntax: {0:s} loan_amount rate_per_annum term_in_years", "AmortizationTable2"));
            System.exit(1);
        }

        long balance = Utils.stolWithDefault(args[0], 0) * 100;
        double interestRate = Utils.stodWithDefault(args[1], 0.05);
        interestRate /= 12.0;
        int periods = Utils.stoiWithDefault(args[2], 30);
        periods *= 12;
        long payment = (long)(interestRate * balance / (1.0 - Math.pow(1.0 + interestRate, -periods)) + 0.5);

        System.out.println("Month\tPayment\tPrinciple\tInterest\tBalance");
        System.out.println(Utils.format("0\t\t\t\t{0:.2f}", balance / 100.0));
        for (int i = 0; i < periods; ++i) {
            final long INTEREST = (long)(balance * interestRate + 0.5);
            long principle = payment - INTEREST;
            balance -= principle;
            if (i == periods - 1) {
                payment += balance;
                principle += balance;
                balance = 0;
            }
            System.out.println(Utils.format("{0:d}\t{1:.2f}\t{2:.2f}\t{3:.2f}\t{4:.2f}", i + 1, payment / 100.0, principle / 100.0, INTEREST / 100.0, balance / 100.0));
        }
    }
}