package wayoftime.bloodmagic.util.helper;

import java.util.TreeMap;

public class NumeralHelper
{

	private static final TreeMap<Integer, String> romanNumerals = new TreeMap<Integer, String>();

	static
	{
		romanNumerals.put(1000, "M");
		romanNumerals.put(900, "CM");
		romanNumerals.put(500, "D");
		romanNumerals.put(400, "CD");
		romanNumerals.put(100, "C");
		romanNumerals.put(90, "XC");
		romanNumerals.put(50, "L");
		romanNumerals.put(40, "XL");
		romanNumerals.put(10, "X");
		romanNumerals.put(9, "IX");
		romanNumerals.put(5, "V");
		romanNumerals.put(4, "IV");
		romanNumerals.put(1, "I");
	}

	public static String toRoman(int arabic)
	{
		int convert = romanNumerals.floorKey(arabic);
		if (arabic == convert)
			return romanNumerals.get(convert);

		return romanNumerals.get(convert) + toRoman(arabic - convert);
	}
}