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 Cobbler : Card
	{
		private IPlayer _turnStartedPlayer;

		public Cobbler()
			: base(Categories.Night | Categories.Duration, Source.Nocturne, Location.Kingdom, Traits.Gainer)
		{
			BaseCost = new Cost(5);
		}

		public override void TearDown(IGame game)
		{
			base.TearDown(game);

			if (_turnStartedPlayer != null)
				_turnStartedPlayer.TurnStarted -= Player_TurnStarted;
			_turnStartedPlayer = null;
		}

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

			CanCleanUpPlayed.Add(false);
			player.TurnStarted -= Player_TurnStarted;
			_turnStartedPlayer = player;
			_turnStartedPlayer.TurnStarted += Player_TurnStarted;
		}

		private void Player_TurnStarted(object sender, TurnStartedEventArgs e)
		{
			var key = ToString();
			if (!e.Resolvers.ContainsKey(key))
				e.Resolvers[key] = new TurnStartedResolver(e.Player, this, Resource.ResolveCard.Replace("{card}", PhysicalCard.ToString()), Player_Action, true);
		}

		internal void Player_Action(IPlayer player, ref TurnStartedEventArgs e)
		{
			ResolveDuration(e.Player);

			CanCleanUpPlayed.Remove(false);

			e.Player.TurnStarted -= Player_TurnStarted;
			_turnStartedPlayer = null;
		}

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

			var gainableSupplies = new SupplyCollection(player._Game.Table.TableEntities.FindAll<ISupply>(supply => supply.CanGain() && supply.CurrentCost <= new Coin(4)));
			var choice = new Choice(Resource.GainUpTo4ToHand, this, gainableSupplies, ChoiceOutcome.Gain, player, false);
			var result = player.MakeChoice(choice);

			// TODO -- Currently Nomad Camp will override the DeckLocation specification.  I need to modify the .Gain() method to allow an absolute override.
			if (result.Supply != null)
				player.Gain(result.Supply, this, DeckLocation.Hand);
		}
	}
}