// RequestParameters.cs
//
//  Copyright (C) 2008 Amr Hassan
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
//

using System;
using System.Collections.Generic;
using System.Web;
using System.Text;

namespace Lastfm
{
	internal class RequestParameters : SortedDictionary<string, string>
	{
		public override string ToString()
		{
			string values = "";
			foreach(string key in this.Keys)
				values += HttpUtility.UrlEncode(key) + "=" +
					HttpUtility.UrlEncode(this[key]) + "&";
			values = values.Substring(0, values.Length - 1);
			
			return values;
		}
		
		internal byte[] ToBytes()
		{	
			return Encoding.ASCII.GetBytes(ToString());
		}
		
		internal string serialize()
		{
			string line = "";
			
			foreach (string key in Keys)
				line += key + "\t" + this[key] + "\t";
			
			return line;
		}
		
		internal RequestParameters(string serialization)
			:base()
		{
			string[] values = serialization.Split('\t');
			
			for(int i = 0; i < values.Length - 1; i++)
			{
				if ( (i%2) == 0 )
					this[values[i]] = values[i+1];
			}
		}
		
		public RequestParameters()
			:base()
		{
		}
	}
}