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

namespace DominionBase.Cards.Menagerie
{
	public class Bargain : Event
	{
		public Bargain()
			: base(Source.Menagerie, 4, Traits.AffectOthers | Traits.Gainer | Traits.IncludesExtraPiles)
		{
		}

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

			Horse.SetupSupply(game);
		}

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

			var gainableSupplies = new SupplyCollection(
				player._Game.Table.TableEntities.FindAll<ISupply>(supply => 
					supply.CanGain() 
					&& supply.CurrentCost <= new Coin(5) 
					&& !supply.TopCard.Category.HasFlag(Categories.Victory)
				));
			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 enumerator = player._Game.GetPlayersStartingWithEnumerator(player);
			// Skip current player
			enumerator.MoveNext();
			while (enumerator.MoveNext())
			{
				var actee = enumerator.Current;
				actee.Gain((ISupply)player._Game.Table[TypeClass.Horse], this);
			}
		}
	}
}