package com.firstrowria.formatters
{
	public class OddFormatter
	{
		public static const EU_FORMAT:uint = 0;
		public static const US_FORMAT:uint = 1;
		public static const UK_FORMAT:uint = 2;

		public static function format(value:Number, oddFormat:uint = 0, commaChar:String = ",", precision:int = 2):String
		{
			var formattedValue:String = "";

			if (oddFormat == UK_FORMAT)
			{
				var hundretValue:Number = Math.round(value * 100) - 100;
				var ggt:int = ggt(hundretValue, 100);
				formattedValue = (hundretValue / ggt) + "/" + (100 / ggt);
			}
			else if (oddFormat == US_FORMAT)
			{
				if (value >= 2)
					formattedValue = "+" + Math.round(100 * (value - 1));
				else if (value == 1)
					formattedValue = "-0";
				else
					formattedValue = "" + Math.round(100 / (1 - value));
			}
			else if (oddFormat == EU_FORMAT)
			{
				formattedValue = value.toFixed(precision)
				if (commaChar != ".")
					formattedValue = formattedValue.replace(".", commaChar);
			}

			return formattedValue;
		}

		private static function ggt(u:int, v:int):int
		{
			return ((u > 0) ? ggt(v % u, u) : v);
		}
	}
}