package com.arcticcode.greenFlames.Text
{
	public class Scrambler
	{
		public static const ALPHABET:String = "abcdefghijklmnolpqrstuvwxyz";
		public static const NUMBERS:String = "0123456789";
		public static const SYMBOLS:String = "`¬!\"£$%^&*()_+=-[];'#./,{}~@:?><\|";
		
		public static function scramble(input:String):String
		{
			var str:String = "";
			for(var i:uint = 0;i<input.length;i++)
			{
				str += getRanChar(input.charAt(i));
			}
			return str;
		}
		
		public static function getRanChar(char:String):String
		{
			var ch:String = "";
			if(ALPHABET.indexOf(char) != -1)
			{
				ch = ALPHABET.charAt(Math.floor(Math.random()*ALPHABET.length));
				if(ch == char)
				{
					ch = getRanChar(char);
				}
			}
			else if(ALPHABET.indexOf(char.toLowerCase()) != -1)
			{
				ch = ALPHABET.charAt(Math.floor(Math.random()*ALPHABET.length)).toUpperCase();
				if(ch == char)
				{
					ch = getRanChar(char);
				}
			}
			else if(NUMBERS.indexOf(char) != -1)
			{
				ch = NUMBERS.charAt(Math.floor(Math.random()*NUMBERS.length));
				if(ch == char)
				{
					ch = getRanChar(char);
				}
			}
			else if(SYMBOLS.indexOf(char) != -1)
			{
				ch = SYMBOLS.charAt(Math.floor(Math.random()*SYMBOLS.length));
				if(ch == char)
				{
					ch = getRanChar(char);
				}
			}
			else if(char == " ")
			{
				ch = " ";
			}
			return ch;
		}
		
		public static function unscramble(input:String,target:String,letters:Boolean,numbers:Boolean,symbols:Boolean,mixedCase:Boolean,...extraChars):String
		{
			var chars:String = "";
			
			if(letters){chars += ALPHABET};
			if(mixedCase){chars += ALPHABET.toUpperCase();}
			if(numbers){chars += NUMBERS;}
			if(symbols){chars += SYMBOLS;}
			if(extraChars != null){chars += extraChars;}
			
			var str:String = input;
			var ts:String = "";
			var char:String = "";
			
			for(var i:uint=0;i<str.length;i++)
			{
				NUMBERS.indexOf(target.charAt(i)) != -1 ? char = NUMBERS.charAt(Math.floor(Math.random()*NUMBERS.length)) : char = chars.charAt(Math.floor(Math.random()*chars.length));
				str.charAt(i) != target.charAt(i) ? ts += char : ts += str.charAt(i);
			}
			return ts;
		}
	}
}