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

namespace DominionBase.Cards.Nocturne
{
	public class TheFieldsGift : Boon
	{
		private CleaningUpEventHandler _CleaningUpEventHandler;

		public TheFieldsGift()
			: base(Source.Nocturne, Traits.PlusAction | Traits.PlusCoin)
		{
			Benefit.Actions = 1;
			Benefit.Currency.Coin.Value = 1;
		}

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

			foreach (var player in game.Players)
				player.CleaningUp -= _CleaningUpEventHandler;
		}

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

			var boons = (IBoonSupply)player._Game.Table.SpecialPiles[TypeClass.Boons];
			player.KeepBoon(boons, this);

			if (player._Game.ActivePlayer == player)
			{
				_CleaningUpEventHandler = new CleaningUpEventHandler(Player_CleaningUp);
				player.CleaningUp += _CleaningUpEventHandler;
			}

			return false;
		}

		private void Player_CleaningUp(object sender, CleaningUpEventArgs e)
		{
			if (e.Resolvers.ContainsKey(TypeClass.TheFieldsGift))
				return;

			e.Resolvers[TypeClass.TheFieldsGift] = new CleaningUpResolver(this, $"Return {this}", Player_Action, true);
		}

		internal void Player_Action(IPlayer player, ref CleaningUpEventArgs e)
		{
			player.ReturnBoon((IBoonSupply)player._Game.Table.SpecialPiles[TypeClass.Boons], this);
			player.CleaningUp -= _CleaningUpEventHandler;
		}
	}
}