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

namespace DominionBase.Cards.Renaissance
{
	public class Piazza : Project
	{
		public Piazza()
			: base(Source.Renaissance, 5, Traits.ConditionalBenefit)
		{
		}

		public override void TearDown(IGame game)
		{
			foreach (var tsp in PurchasedPlayers)
				tsp.TurnStarted -= Player_TurnStarted;
			base.TearDown(game);
		}

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

			var tsp = PurchasedPlayers.Find(p => p == player);
			if (tsp != null)
				tsp.TurnStarted -= Player_TurnStarted;
			else
				PurchasedPlayers.Add(player);
			player.TurnStarted += Player_TurnStarted;
		}

		private void Player_TurnStarted(object sender, TurnStartedEventArgs e)
		{
			var key = ToString();
			if (e.HandledBy.Contains(key))
				return;

			if (!e.Resolvers.ContainsKey(key))
				e.Resolvers[key] = new TurnStartedResolver(e.Player, this, $"Resolve {this}", Player_Action, true);
		}

		internal void Player_Action(IPlayer player, ref TurnStartedEventArgs e)
		{
			var card = player.Draw(DeckLocation.Revealed);

			if (card.Category.HasFlag(Categories.Action))
			{
				player.Actions++;
				var previousPlayerMode = player.PutCardIntoPlay(card, Resource.FromCard.Replace("{card}", this.ToString()));
				player.PlayCard(card.LogicalCard, previousPlayerMode);
			}
			else
			{
				player.AddCardToDeck(player.RetrieveCardFrom(DeckLocation.Revealed, card), Piles.DeckPosition.Top);
			}

			e.HandledBy.Add(ToString());
		}
	}
}