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

namespace DominionBase.Cards.Renaissance
{
	public class MountainVillage : Card
	{
		public MountainVillage()
			: base(Categories.Action, Source.Renaissance, Location.Kingdom, Traits.Cantrip | Traits.PlusAction | Traits.PlusCard | Traits.PlusMultipleActions)
		{
			BaseCost = new Cost(4);
			Benefit.Actions = 2;
		}

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

			if (player.DiscardPile.Any())
			{
				var discardPileCards = player.DiscardPile.LookThrough(c => true);
				player._Game.SendMessage(player, this, discardPileCards.ToArray());
				var choiceTop = new Choice("Choose a card to put onto your hand", this, discardPileCards, ChoiceOutcome.Select, player);
				var resultTop = player.MakeChoice(choiceTop);
				if (resultTop.Cards.Any())
					player.AddCardsToHand(player.DiscardPile.Retrieve(player, c => resultTop.Cards.Contains(c)));
			}
			else
			{
				player.ReceiveBenefit(this, new CardBenefit { Cards = 1 });
			}
		}
	}
}