package com.company;

import java.util.Scanner;

public class Calculation {

    private double money;
    private int installment;
    private double interest;

    public void setMoney(double money) {
        this.money = money;
    }

    public void setInstallment(int installment) {
        this.installment = installment;
    }

    public double getMoney() {
        return money;
    }

    public int getInstallment() {
        return installment;
    }

    public void setInterest(double interest) {
        this.interest = interest;
    }

    public double getInterest() {
        return interest;
    }

    public void enterAmountMoney() {

        Scanner moneyScanner = new Scanner(System.in);
        setMoney(moneyScanner.nextDouble());

        if (getMoney() > 300000) {
            while (getMoney() > 300000) {
                Dialog.isTooMuchMoney();
                Dialog.enterEquity();
                setMoney(moneyScanner.nextDouble());
            }
        }
    }

    public void enterInstallment() {
        Scanner installmentScanner = new Scanner(System.in);
        setInstallment(installmentScanner.nextInt());

        if (getInstallment() > 96) {
            while (getInstallment() > 96) {
                Dialog.isTooMuchInstallment();
                Dialog.enterInstallments();
                setInstallment(installmentScanner.nextInt());
            }
        }
    }

    public double calc() {
        if (getInstallment() < 25) {
            setInterest(getMoney() * 0.02);
            return getInterest();

        } else if (getInstallment() > 24 && getInstallment() < 49) {
            setInterest(getMoney() * 0.03);
            return getInterest();

        } else if (getInstallment() > 48 && getInstallment() < 61) {
            setInterest(getMoney() * 0.04);
            return getInterest();

        } else if (getInstallment() > 60 && getInstallment() < 72) {
            setInterest(getMoney() * 0.05);
            return getInterest();
        } else {
            setInterest(getMoney() * 0.06);
            return getInterest();
        }
    }

    public void presentsResult() {
        System.out.println(calc());
    }
}


public class Dialog {

    public static void enterEquity()
    {
        System.out.print("Wprowadź Twój kapitał własny: ");
    }

    public static void enterInstallments()
    {
        System.out.print("Wprowadź ilość rat: ");
    }

    public static void isTooMuchInstallment()
    {
        System.out.println("Za duzo rat");
    }

    public static void isTooMuchMoney()
    {
        System.out.println("Za duzo pieniędzy");
    }

}

public class Main {

    public static void main(String[] args) {

        Calculation calculation = new Calculation();
        Dialog.enterInstallments();
        calculation.enterInstallment();
        Dialog.enterEquity();
        calculation.enterAmountMoney();
        calculation.calc();
        calculation.presentsResult();
    }
}