#region Copyright & License Information
/*
 * Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
 * This file is part of OpenRA.
 * 
 *  OpenRA 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 3 of the License, or
 *  (at your option) any later version.
 * 
 *  OpenRA 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 OpenRA.  If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using System.Drawing;
using System.Linq;
using OpenRA.Traits;

namespace OpenRA.Widgets
{
	class PostGameWidget : Widget
	{
		public PostGameWidget() : base() { }

		bool AreMutualAllies(Player a, Player b) { return a.Stances[b] == Stance.Ally && b.Stances[a] == Stance.Ally; }
		
		// todo: all this shit needs to move, probably to Player.

		public override void DrawInner(World world)
		{
			if (world.LocalPlayer == null) return;

			if (world.players.Count > 2)	/* more than just us + neutral */
			{
				var conds = world.Queries.WithTrait<IVictoryConditions>()
					.Where(c => !c.Actor.Owner.NonCombatant);

				if (conds.Any(c => c.Actor.Owner == world.LocalPlayer && c.Trait.HasLost))
					DrawText("YOU ARE DEFEATED");
				else if (conds.All(c => AreMutualAllies(c.Actor.Owner, world.LocalPlayer) || c.Trait.HasLost))
					DrawText("YOU ARE VICTORIOUS");
			}
		}

		void DrawText(string s)
		{
			var size = Game.chrome.renderer.TitleFont.Measure(s);

			WidgetUtils.DrawPanel("dialog4", new Rectangle(
				(Game.viewport.Width - size.X - 40) / 2,
				(Game.viewport.Height - size.Y - 10) / 2,
				size.X + 40,
				size.Y + 13));

			Game.chrome.renderer.TitleFont.DrawText(s, 
				new float2((Game.viewport.Width - size.X) / 2,
					(Game.viewport.Height - size.Y) / 2 - .2f * size.Y), Color.White);

			Game.chrome.renderer.RgbaSpriteRenderer.Flush();
		}
	}
}