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

namespace DominionBase.Cards.Nocturne
{
	public class GhostTown : Card
	{
		private IPlayer _turnStartedPlayer;

		public GhostTown()
			: base(Categories.Night | Categories.Duration, Source.Nocturne, Location.Kingdom, Traits.PlusAction | Traits.PlusCard | Traits.ReactToGain)
		{
			BaseCost = new Cost(3);
			DurationBenefit.Cards = 1;
			DurationBenefit.Actions = 1;
		}

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

			foreach (var player in game.Players)
				player.CardGained += Player_CardGained;
		}

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

			foreach (var player in game.Players)
				player.CardGained -= Player_CardGained;
			if (_turnStartedPlayer != null)
				_turnStartedPlayer.TurnStarted -= Player_TurnStarted;
			_turnStartedPlayer = null;
		}

		private void Player_CardGained(object sender, Players.CardGainEventArgs e)
		{
			var player = sender as IPlayer;
			var key = TypeClass.GhostTown.ToString();

			// This is not the card you are looking for
			if (e.Card != this || e.Resolvers.ContainsKey(key) || e.HandledBy.Contains(this))
				return;

			e.Resolvers[key] = new CardGainResolver(player, this, "PutIntoHand", $"Put {PhysicalCard} into your hand", Player_GainGhostTown, true);
		}

		internal void Player_GainGhostTown(IPlayer player, ref Players.CardGainEventArgs e)
		{
			e.Cancelled = true;
			e.IsLostTrackOf = true;
			e.Location = DeckLocation.Hand;

			e.HandledBy.Add(this);
		}

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

			CanCleanUpPlayed.Add(false);
			_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;
		}
	}
}