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

namespace DominionBase.Cards.Nocturne
{
	public class WillOWisp : Card
	{
		public const int BaseCount = 12;

		public WillOWisp()
			: base(Categories.Action | Categories.Spirit, Source.Nocturne, Location.Special, Traits.Cantrip | Traits.ConditionalBenefit | Traits.PlusAction | Traits.PlusCard)
		{
			BaseCost = new Cost(0, special: true);
			Benefit.Cards = 1;
			Benefit.Actions = 1;
		}

		public static void SetupSupply(IGame game)
		{
			Contract.Requires(game != null, "game cannot be null");

			if (!game.Table.SpecialPiles.ContainsKey(TypeClass.WillOWisp))
			{
				var supply = new Supply(game, game.Players, TypeClass.WillOWisp, BaseCount);
				supply.FullSetup();
				game.Table.SpecialPiles.Add(TypeClass.WillOWisp, supply);
			}
		}

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

			var cards = player.Draw(1, DeckLocation.Revealed);

			player.AddCardsToHand(player.RetrieveCardsFrom(DeckLocation.Revealed, new ItemCollection<Card>(cards.Where(c => player._Game.ComputeCost(c) <= new Currency(2)))));
			player.AddCardsToDeck(player.RetrieveCardsFrom(DeckLocation.Revealed), DeckPosition.Top);
		}
	}
}