using System;
using System.IO;
using System.Linq;

namespace XCI_Explorer
{
	internal static class Util
	{
		public static string GetCapacity(int id)
		{
			switch (id)
			{
			case 248:
				return "2GB";
			case 240:
				return "4GB";
			case 224:
				return "8GB";
			case 225:
				return "16GB";
			case 226:
				return "32GB";
			default:
				return "?";
			}
		}

		public static string GetMkey(byte id)
		{
			switch (id)
			{
			case 0:
			case 1:
				return "MasterKey0 (1.0.0-2.3.0)";
			case 2:
				return "MasterKey1 (3.0.0)";
			case 3:
				return "MasterKey2 (3.0.1-3.0.2)";
			case 4:
				return "MasterKey3 (4.0.0-4.1.0)";
			case 5:
				return "MasterKey4 (5.0.0+)";
			case 6:
				return "MasterKey5 (?)";
			case 7:
				return "MasterKey6 (?)";
			case 8:
				return "MasterKey7 (?)";
			case 9:
				return "MasterKey8 (?)";
			case 10:
				return "MasterKey9 (?)";
			case 11:
				return "MasterKey10 (?)";
			case 12:
				return "MasterKey11 (?)";
			case 13:
				return "MasterKey12 (?)";
			case 14:
				return "MasterKey13 (?)";
			case 15:
				return "MasterKey14 (?)";
			case 16:
				return "MasterKey15 (?)";
			case 17:
				return "MasterKey16 (?)";
			case 18:
				return "MasterKey17 (?)";
			case 19:
				return "MasterKey18 (?)";
			case 20:
				return "MasterKey19 (?)";
			case 21:
				return "MasterKey20 (?)";
			case 22:
				return "MasterKey21 (?)";
			case 23:
				return "MasterKey22 (?)";
			case 24:
				return "MasterKey23 (?)";
			case 25:
				return "MasterKey24 (?)";
			case 26:
				return "MasterKey25 (?)";
			case 27:
				return "MasterKey26 (?)";
			case 28:
				return "MasterKey27 (?)";
			case 29:
				return "MasterKey28 (?)";
			case 30:
				return "MasterKey29 (?)";
			case 31:
				return "MasterKey30 (?)";
			case 32:
				return "MasterKey31 (?)";
			case 33:
				return "MasterKey32 (?)";
			default:
				return "?";
			}
		}

		public static bool checkFile(string filepath)
		{
			if (File.Exists(filepath))
			{
				return true;
			}
			return false;
		}

		public static byte[] StringToByteArray(string hex)
		{
			return (from x in Enumerable.Range(0, hex.Length)
			where x % 2 == 0
			select Convert.ToByte(hex.Substring(x, 2), 16)).ToArray();
		}
	}
}