#region Copyright & License Information
/*
 * Copyright 2007-2021 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, either version 3 of
 * the License, or (at your option) any later version. For more
 * information, see COPYING.
 */
#endregion

using System.Collections.Generic;

namespace OpenRA.Mods.Common.UpdateRules.Rules
{
	public class RemoveWithPermanentInjury : UpdateRule
	{
		public override string Name => "WithPermanentInjury trait has been removed.";

		public override string Description =>
			"The WithPermanentInjury trait has been removed, and should be replaced by\n" +
			"TakeCover with negative ProneTime value + GrantConditionOnDamageState/-Health.\n" +
			"Affected actors are listed so that these traits can be defined.";

		readonly List<string> locations = new List<string>();

		public override IEnumerable<string> AfterUpdate(ModData modData)
		{
			if (locations.Count > 0)
				yield return "The WithPermanentInjury trait has been removed from the following actors.\n" +
				             "You must manually define TakeCover with a negative ProneTime and use\n" +
				             "GrantConditionOnDamageState/-Health with 'GrantPermanently: true'\n" +
							 "to enable TakeCover at the desired damage state:\n" +
				             UpdateUtils.FormatMessageList(locations);

			locations.Clear();
		}

		public override IEnumerable<string> UpdateActorNode(ModData modData, MiniYamlNode actorNode)
		{
			if (actorNode.RemoveNodes("WithPermanentInjury") > 0)
				locations.Add($"{actorNode.Key} ({actorNode.Location.Filename})");

			yield break;
		}
	}
}