package com.saxion.thymo.variables;

import java.util.Scanner;

public class Roman_nums {

    private static final int ROMAN_I = 1;
    private static final int ROMAN_V = 5;
    private static final int ROMAN_X = 10;

    public void main() {
        Scanner scanner = new Scanner(System.in);
        System.out.println("Enter a number to convert:");
        int decimal = scanner.nextByte();
        String roman = "";

        while (decimal > 0) {
            if (decimal > ROMAN_X || decimal < 1) {
                roman = "Please enter a number between 1 and 10";
                break;
            }

            if (decimal >= ROMAN_X) {
                decimal -= ROMAN_X;
                roman = roman + "X";
            } else if (decimal == ROMAN_X - ROMAN_I) {
                decimal -= 9;
                roman = roman + "IX";
            } else if (decimal >= ROMAN_V && decimal < ROMAN_X) {
                decimal -= ROMAN_V;
                roman = roman + "V";
            } else if (decimal == ROMAN_V - ROMAN_I) {
                decimal -= 4;
                roman = roman + "IV";
            } else if (decimal >= ROMAN_I && decimal < ROMAN_V) {
                decimal -= ROMAN_I;
                roman = roman + "I";
            }
        }
        System.out.println(roman);
    }
}