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

namespace DominionBase.Cards.Nocturne
{
	public class Vampire : Doom
	{
		public Vampire()
			: base(Categories.Night | Categories.Attack, Location.Kingdom, Traits.AffectOthers | Traits.Gainer | Traits.IncludesExtraPiles | Traits.Transformable)
		{
			BaseCost = new Cost(5);
		}

		public override void SetupSupply(IGame game, ISupply supply)
		{
			Contract.Requires(game != null, "game cannot be null");
			base.SetupSupply(game, supply);

			Bat.SetupSupply(game);
		}

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

			var hexPile = (IHexSupply)player._Game.Table.SpecialPiles[TypeClass.Hexes];
			var hexTurnedOver = hexPile.TurnOverNext(player);

			var enumerator = player._Game.GetPlayersStartingWithEnumerator(player);
			enumerator.MoveNext();
			while (enumerator.MoveNext())
			{
				var attackee = enumerator.Current;
				// Skip if the attack is blocked (Moat, Lighthouse, etc.)
				if (IsAttackBlocked[attackee])
					continue;

				if (hexTurnedOver)
					((IHex)hexPile.TopDiscard).Receive(attackee);
			}


			var gainableSupplies = new SupplyCollection(player._Game.Table.TableEntities.FindAll<ISupply>(supply => supply.CanGain() && supply.CurrentCost <= new Coin(5) && supply.TopCard.Name != "Vampire"));
			var choice = new Choice(Resource.GainUpTo5, this, gainableSupplies, ChoiceOutcome.Gain, player, false);
			var result = player.MakeChoice(choice);
			if (result.Supply != null)
				player.Gain(result.Supply, this);


			var thisCard = player.InPlayAndSetAside.Contains(PhysicalCard) ? player.RetrieveCardFrom(DeckLocation.InPlayAndSetAside, PhysicalCard) : null;
			if (thisCard != null)
			{
				// Exchanging isn't a gain, so treat it specially
				var exchangeFromSupply = player._Game.Table.FindSupplyPileByType(thisCard.BaseType, true);
				player.Lose(thisCard);
				exchangeFromSupply.AddTo(thisCard);
				var exchangeToSupply = player._Game.Table.FindSupplyPileByType(TypeClass.Bat, true);
				var exchangeToCard = exchangeToSupply.Take(TypeClass.Bat);
				player.AddCardInto(DeckLocation.Discard, exchangeToCard);
				exchangeToCard.ReceivedBy(player);
				player._Game.SendMessage(player, this, thisCard, exchangeToCard);
			}
		}
	}
}