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

namespace DominionBase.Cards.Menagerie
{
	public class Pursue : Event
	{
		public Pursue()
			: base(Source.Menagerie, 2, Traits.CardOrdering | Traits.Discard | Traits.PlusBuy)
		{
			Benefit.Buys = 1;
		}

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

			var availableSupplies = new SupplyCollection(player._Game.Table.TableEntities.FindAll<ISupply>(
				kvp =>
					(kvp.Randomizer != null
					&& !kvp.Randomizer.Traits.HasFlag(Traits.Randomizer))
					|| kvp.Location == Location.General
					));
			var cards = new CardCollection();
			var choice = new Choice(Resource.NameCard, this, availableSupplies, ChoiceOutcome.Select, player, false);
			foreach (var supply in player._Game.Table.TableEntities.Values.OfType<ISupply>().Union(player._Game.Table.SpecialPiles.Values.OfType<ISupply>()))
			{
				cards.AddRange(
					from type in supply.Types
					where choice.Supplies.All(kvp => kvp.Value is ISupply kvpSupply && kvpSupply.Type != type)
					select Card.CreateInstance(type)
				);
			}
			cards.Sort();
			choice.AddCards(cards);

			var result = player.MakeChoice(choice);
			IDisplayable namedCard;
			if (result.Supply != null)
				namedCard = result.Supply;
			else
				namedCard = result.Cards[0];

			player._Game.SendMessage(player, this, namedCard);
			player.Draw(4, DeckLocation.Revealed);

			player.AddCardsToDeck(player.RetrieveCardsFrom(DeckLocation.Revealed, c => c.Name == namedCard.Name), DeckPosition.Top);
			player.DiscardRevealed();
		}
	}
}