using DominionBase.Enums;

namespace DominionBase.Cards.Renaissance
{
	public class Patron : Card
	{
		public Patron()
			: base(Categories.Action | Categories.Reaction, Source.Renaissance, Location.Kingdom, Traits.Component | Traits.PlusCoffer | Traits.PlusCoin | Traits.PlusVillager)
		{
			BaseCost = new Cost(4);
			Benefit.Villagers = 1;
			Benefit.Currency.Coin.Value = 2;

			OwnerChanged += Patron_OwnerChanged;
		}

		public override void TearDown(IGame game)
		{
			Patron_OwnerChanged(this, new OwnerChangedEventArgs(Owner, null));

			base.TearDown(game);

			OwnerChanged -= Patron_OwnerChanged;
		}

		private void Patron_OwnerChanged(object sender, OwnerChangedEventArgs e)
		{
			if (e.OldOwner != null)
				e.OldOwner.Revealed.PileChanged -= Revealed_PileChanged;

			if (e.NewOwner != null)
				e.NewOwner.Revealed.PileChanged += Revealed_PileChanged;
		}

		private void Revealed_PileChanged(object sender, Piles.PileChangedEventArgs<IRandomizable> e)
		{
			if (e.AddedCards.Contains(this))
				Owner.ReceiveBenefit(this, new CardBenefit { Coffers = 1 });
		}
	}
}