using DominionBase.Currencies;
using DominionBase.Enums;
using DominionBase.Piles;
using DominionBase.Players;
using DominionBase.Properties;
using System.Diagnostics.Contracts;

namespace DominionBase.Cards.Menagerie
{
	public class WayOfTheButterfly : Way
	{
		public WayOfTheButterfly()
			: base(Source.Menagerie, Traits.Gainer | Traits.Terminal)
		{
		}

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

			if (player.InPlay.Contains(playedCard))
			{
				var supply = player._Game.Table.FindSupplyPileByType(playedCard.Type, true);
				if (supply != null)
				{
					player.RetrieveCardFrom(DeckLocation.InPlay, playedCard);
					player.Lose(playedCard);
					supply.AddTo(playedCard);
					player._Game.SendMessage(player, this, "Return", supply);

					var returnedCardCost = player._Game.ComputeCost(playedCard);
					var gainableSupplies = new SupplyCollection(player._Game.Table.TableEntities.FindAll<ISupply>(
							supplyGain => supplyGain.CanGain() && supplyGain.CurrentCost == (returnedCardCost + new Coin(1))
						));
					var choice = new Choice(Resource.GainCard, this, gainableSupplies, ChoiceOutcome.Gain, player, false);
					var result = player.MakeChoice(choice);
					if (result.Supply != null)
						player.Gain(result.Supply, this);

				}
			}
		}
	}
}