using DominionBase.Enums;
using DominionBase.Players;
using DominionBase.Properties;
using System.Diagnostics.Contracts;
using System.Linq;

namespace DominionBase.Cards.Menagerie
{
	public class Goatherd : Card
	{
		public Goatherd()
			: base(Categories.Action, Source.Menagerie, Location.Kingdom, Traits.AffectOthers | Traits.ConditionalBenefit | Traits.DeckReduction | Traits.PlusAction | Traits.PlusCard | Traits.RemoveCurses | Traits.Trasher | Traits.TrashForBenefit)
		{
			BaseCost = new Cost(3);
			Benefit.Actions = 1;
		}

		public override void FollowInstructions(IPlayer player)
		{
			Contract.Requires(player != null, "player cannot be null");
			base.FollowInstructions(player);

			var choiceTrash = new Choice(Resource.ChooseACardToTrash, this, player.Hand, ChoiceOutcome.Trash, player, minimum: 0);
			var resultTrash = player.MakeChoice(choiceTrash);
			if (resultTrash.Cards.Any())
				player.Trash(this, player.RetrieveCardsFrom(DeckLocation.Hand, resultTrash.Cards));

			// Get the player to my right
			var playerToRight = player._Game.GetPlayerFromIndex(player, -1);
			var mostRecentTurn = player._Game.TurnsTaken.Last(turn => turn.Player == playerToRight);

			if (mostRecentTurn.CardsTrashed.Count > 0)
				player.ReceiveBenefit(this, new CardBenefit
				{
					Cards = mostRecentTurn.CardsTrashed.Count
				});
		}
	}
}