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

namespace DominionBase.Cards.Nocturne
{
	public class Fear : Hex
	{
		public Fear()
			: base(Source.Nocturne, Traits.Discard)
		{
		}

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

			if (player.Hand.Count >= 5)
			{
				var availableToDiscard = player.Hand[c => c.Category.HasFlag(Categories.Action) || c.Category.HasFlag(Categories.Treasure)];
				if (availableToDiscard.Any())
				{
					var choice = new Choice("Choose a card to discard.", this, availableToDiscard, ChoiceOutcome.Discard, player);
					var result = player.MakeChoice(choice);
					player.Discard(DeckLocation.Hand, result.Cards);
				}
				else
					player.RevealHand();
			}
		}
	}
}