#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;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using OpenRA.Traits;
using OpenRA.Mods.RA.Buildings;

namespace OpenRA.Mods.RA
{
    class LintBuildablePrerequisites : ILintPass
    {
        public void Run(Action<string> emitError)
        {
			var providedPrereqs = Rules.Info.Keys.Concat( 
				Rules.Info.SelectMany( a => a.Value.Traits
			        .WithInterface<ProvidesCustomPrerequisiteInfo>()
			        .Select( p => p.Prerequisite ))).ToArray();
			
			foreach( var i in Rules.Info )
			{
				var bi = i.Value.Traits.GetOrDefault<BuildableInfo>();
				if (bi != null)
					foreach( var prereq in bi.Prerequisites )
						if ( !providedPrereqs.Contains(prereq) )
							emitError( "Buildable actor {0} has prereq {1} not provided by anything.".F( i.Key, prereq ) );
			}
        }
    }
	
	class CheckAutotargetWiring : ILintPass
	{
		public void Run(Action<string> emitError)
        {
            foreach( var i in Rules.Info )
			{
				if (i.Key.StartsWith("^"))
					continue;
				var attackMove = i.Value.Traits.GetOrDefault<AttackMoveInfo>();
				if (attackMove != null && !attackMove.JustMove &&
				    !i.Value.Traits.Contains<AutoTargetInfo>())
					emitError( "{0} has AttackMove setup without AutoTarget, and will crash when resolving that order.".F(i.Key) );
			}
        }
	}
}