#region Copyright & License Information
/*
 * Copyright 2007-2011 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 COPYING.
 */
#endregion

using System.Collections.Generic;
using System.Linq;
using OpenRA.FileFormats;
using OpenRA.Network;
using OpenRA.Traits;

namespace OpenRA
{
	public enum PowerState { Normal, Low, Critical };
	public enum WinState { Won, Lost, Undefined };

	public class Player
	{
		public Actor PlayerActor;
		public int Kills;
		public int Deaths;
		public WinState WinState = WinState.Undefined;

		public readonly ColorRamp ColorRamp;

		public readonly string PlayerName;
		public readonly string InternalName;
		public readonly CountryInfo Country;
		public readonly bool NonCombatant = false;
		public readonly int ClientIndex;
		public readonly PlayerReference PlayerReference;
		public bool IsBot;

		public Shroud Shroud;
		public World World { get; private set; }

		static CountryInfo ChooseCountry(World world, string name)
		{
			var selectableCountries = Rules.Info["world"].Traits
				.WithInterface<CountryInfo>().Where( c => c.Selectable )
				.ToArray();

			return selectableCountries.FirstOrDefault(c => c.Race == name)
				?? selectableCountries.Random(world.SharedRandom);
		}

		public Player(World world, Session.Client client, Session.Slot slot, PlayerReference pr)
		{
			World = world;
			InternalName = pr.Name;
			PlayerReference = pr;
			string botType = null;

			// Real player or host-created bot
			if (client != null)
			{
				ClientIndex = client.Index;
				ColorRamp = client.ColorRamp;
				PlayerName = client.Name;
				botType = client.Bot;
				Country = ChooseCountry(world, client.Country);
			}
			else
			{
				// Map player
				ClientIndex = 0; // Owned by the host (TODO: fix this)
				ColorRamp = pr.ColorRamp;
				PlayerName = pr.Name;
				NonCombatant = pr.NonCombatant;
				botType = pr.Bot;
				Country = ChooseCountry(world, pr.Race);
			}
			PlayerActor = world.CreateActor("Player", new TypeDictionary { new OwnerInit(this) });
			Shroud = PlayerActor.Trait<Shroud>();
			Shroud.Owner = this;
			// Enable the bot logic on the host
			IsBot = botType != null;
			if (IsBot && Game.IsHost)
			{
				var logic = PlayerActor.TraitsImplementing<IBot>()
							.FirstOrDefault(b => b.Info.Name == botType);
				if (logic == null)
					Log.Write("debug", "Invalid bot type: {0}", botType);
				else
					logic.Activate(this);
			}
		}

		public Dictionary<Player, Stance> Stances = new Dictionary<Player, Stance>();
	}
}