using System;

namespace NiceTracker.Libraries
{
	/// <summary>
	/// Summary description for MiscLib.
	/// </summary>
	public class MiscLib
	{
		public MiscLib()
		{
		}

		public static string ToFilename( string path, string file )
		{
			if ( path != "" )
			{
				if ( path[ path.Length-1] == '\\' )
					return path + file;
				else
					return path + '\\' + file;
			}
			else
			{
				return file;
			}
		}
		
		public static string Base64Encode(string data)
		{
			try
			{
				byte[] encData_byte = new byte[data.Length];
				encData_byte = System.Text.Encoding.UTF8.GetBytes(data);    
				string encodedData = Convert.ToBase64String(encData_byte, 0, data.Length);
				return encodedData;
			}
			catch(Exception e)
			{
				throw new Exception("Error in base64Encode" + e.Message);
			}
		}

		public static string Base64Decode(string data)
		{
			string result = "";
			try
			{			
				System.Text.UTF8Encoding encoder = new System.Text.UTF8Encoding();  
				System.Text.Decoder utf8Decode = encoder.GetDecoder();
    
				byte[] todecode_byte = Convert.FromBase64String(data);
				int charCount = utf8Decode.GetCharCount(todecode_byte, 0, todecode_byte.Length);    
				char[] decoded_char = new char[charCount];
				utf8Decode.GetChars(todecode_byte, 0, todecode_byte.Length, decoded_char, 0);                   
				result = new String(decoded_char);				
			}
			catch(Exception e)
			{
				//throw new Exception("Error in base64Decode" + e.Message);
			}
			
			return result;
		}
	}
}