#region Copyright & License Information
/*
 * Copyright 2007-2010 The OpenRA Developers (see AUTHORS)
 * This file is part of OpenRA, which is free software. It is made 
 * available to you under the terms of the GNU General Public License
 * as published by the Free Software Foundation. For more information,
 * see LICENSE.
 */
#endregion

using System.Collections.Generic;
using System.Drawing;
using OpenRA.FileFormats;

namespace OpenRA.Network
{
	public class Session
	{
		public List<Client> Clients = new List<Client>();
		public List<Slot> Slots = new List<Slot>();
		public Global GlobalSettings = new Global();

		public enum ClientState
		{
			NotReady,
			Ready
		}

		public class Client
		{
			public int Index;
			public Color Color1;
			public Color Color2;
			public string Country;
			public int SpawnPoint;
			public string Name;
			public ClientState State;
			public int Team;
		}

		public class Slot
		{
			public int Index;
			public string Bot;	// trait name of the bot to initialize in this slot, or null otherwise.
			public bool Closed;	// host has explicitly closed this slot.
			
			// todo: more stuff?
		}

		public class Global
		{
			public string Map;
			public string[] Mods = { "ra" };	// mod names
			public int OrderLatency = 3;
			public int RandomSeed = 0;
			public bool LockTeams = false;	// don't allow team changes after game start.
			public bool AllowCheats = false;
		}

		public string Serialize()
		{
			var clientData = new Dictionary<string, MiniYaml>();

			foreach (var client in Clients)
				clientData["Client@{0}".F(client.Index)] = FieldSaver.Save(client);

			foreach (var slot in Slots)
				clientData["Slot@{0}".F(slot.Index)] = FieldSaver.Save(slot);

			clientData["GlobalSettings"] = FieldSaver.Save(GlobalSettings);

			return clientData.WriteToString();
		}

		public static Session Deserialize(string data)
		{
			var session = new Session();
			session.GlobalSettings.Mods = Game.Settings.Game.Mods;

			var ys = MiniYaml.FromString(data);
			foreach (var y in ys)
			{
				var yy = y.Key.Split('@');

				switch( yy[0] )
				{
					case "GlobalSettings":
						FieldLoader.Load(session.GlobalSettings, y.Value);
						break;

					case "Client":
						session.Clients.Add(FieldLoader.Load<Session.Client>(y.Value));
						break;

					case "Slot":
						session.Slots.Add(FieldLoader.Load<Session.Slot>(y.Value ));
						break;
				}
			}

			return session;
		}
	}
}