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

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

		public Raider()
			: base(Categories.Night | Categories.Duration | Categories.Attack, Source.Nocturne, Location.Kingdom, Traits.AffectOthers | Traits.Discard | Traits.PlusCoin)
		{
			BaseCost = new Cost(6);
			DurationBenefit.Currency.Coin.Value = 3;
		}

		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);

			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 (attackee.Hand.Count < 5)
					continue;

				var toDiscard = attackee.Hand[c => player.InPlayAndSetAside.Any(pc => pc.Name == c.Name)];
				if (toDiscard.Any())
				{
					var choice = new Choice("Choose a card to discard.", this, attackee.Hand[c => player.InPlayAndSetAside.Any(pc => pc.Name == c.Name)], ChoiceOutcome.Discard, attackee);
					var result = attackee.MakeChoice(choice);
					attackee.Discard(DeckLocation.Hand, result.Cards);
				}
				else
					attackee.ReturnHand(attackee.RevealHand());
			}

			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;
		}
	}
}