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

namespace DominionBase.Cards.Menagerie
{
	public class WayOfTheRat : Way
	{
		public WayOfTheRat()
			: base(Source.Menagerie, Traits.Discard | 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);

			var choiceDiscard = new Choice(Resource.ChooseTreasureDiscard, this, player.Hand[Categories.Treasure], ChoiceOutcome.Discard, player, minimum: 0);
			var resultDiscard = player.MakeChoice(choiceDiscard);
			if (resultDiscard.Cards.Count == 1)
			{
				player.Discard(DeckLocation.Hand, resultDiscard.Cards);

				var supply = player._Game.Table.FindSupplyPileByType(playedCard.Type, false);
				if (supply != null && supply.CanGain(playedCard.Type))
					player.Gain(supply, this);
			}
		}
	}
}