using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Effects;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace Dominion.NET_WPF
{
	/// <summary>
	/// Interaction logic for CardCollectionControl.xaml
	/// </summary>
	public partial class CardCollectionControl : UserControl
	{

		private IEnumerable<DominionBase.Cards.Card> _CardPile = null;
		private int _GlowSize = 20;
		private String _PileName = "Pile Name";

		private DominionBase.Players.PhaseEnum _PlayerPhase = DominionBase.Players.PhaseEnum.Waiting;
		private DominionBase.Cards.Card _ClickedCard = null;
		private Boolean _IsClickable = false;

		public CardCollectionControl()
		{
			InitializeComponent();
			this.CardSize = NET_WPF.CardSize.Medium;
			this.IsClickable = false;
			wpCardCollections.Margin = new Thickness(_GlowSize / 2, _GlowSize / 2, _GlowSize / 2, 0);
		}

		public DominionBase.Cards.Card ClickedCard
		{
			get { return _ClickedCard; }
		}

		public Boolean ExactCount { get; set; }
		public Boolean IsCardsVisible { get; set; }
		public Boolean IsClickable 
		{
			get
			{
				return _IsClickable;
			}
			set
			{
				_IsClickable = value;
				foreach (Controls.CardStackControl csc in wpCardCollections.Children.OfType<Controls.CardStackControl>())
					csc.IsClickable = value;
			}
		}
		public Boolean IsDisplaySorted { get; set;}
		public Boolean IsVPsVisible { get; set; }
		public CardSize CardSize { get; set; }

		public IEnumerable<DominionBase.Cards.Card> Pile
		{
			private get { return _CardPile; }
			set
			{
				_CardPile = value;
				UpdateCardDisplay();
			}
		}
		public DominionBase.Piles.Visibility PileVisibility
		{
			get
			{
				if (this.Pile is DominionBase.Piles.Pile)
					return (this.Pile as DominionBase.Piles.Pile).Visibility;
				else
					return DominionBase.Piles.Visibility.All;
			}
		}
		private int PileCount
		{
			get
			{
				if (this.Pile is DominionBase.Piles.Pile)
					return (this.Pile as DominionBase.Piles.Pile).Count;
				else
					return this.Pile.Count();
			}
		}
		private DominionBase.Cards.Card PileFirst
		{
			get
			{
				if (this.Pile is DominionBase.Piles.Pile)
					return (this.Pile as DominionBase.Piles.Pile).First();
				else
					return this.Pile.First();
			}
		}

		public String PileName 
		{
			get { return _PileName; }
			set
			{
				_PileName = value;
				UpdateCardDisplay();
			}
		}

		private void UpdateCardDisplay()
		{
			wpCardCollections.Children.Clear();
			nPileName.Content = PileName;
			if (String.IsNullOrEmpty(this.PileName))
				nPileName.Visibility = System.Windows.Visibility.Collapsed;
			else
				nPileName.Visibility = System.Windows.Visibility.Visible;

			if (ExactCount && this.Pile != null && this.PileCount > 0)
			{
				lCount.Visibility = System.Windows.Visibility.Visible;
				lCount.Content = String.Format("({0} Card{1})", this.PileCount, this.PileCount == 1 ? "" : "s");
			}
			else
			{
				lCount.Visibility = System.Windows.Visibility.Collapsed;
			}

			foreach (DominionBase.Cards.CardCollection cardStack in GenerateCardStacks())
			{
				Controls.CardStackControl csc = new Controls.CardStackControl();
				csc.CardSize = this.CardSize;
				csc.ExactCount = this.ExactCount;
				csc.IsCardsVisible = this.IsCardsVisible;
				csc.Phase = this._PlayerPhase;
				csc.PileVisibility = this.PileVisibility;
				csc.CardCollection = cardStack;
				if (this.IsVPsVisible && (
					(cardStack[0].Category & DominionBase.Cards.Category.Victory) == DominionBase.Cards.Category.Victory ||
					(cardStack[0].Category & DominionBase.Cards.Category.Curse) == DominionBase.Cards.Category.Curse))
					csc.CountVPs(this.Pile);
				else
					csc.HideVPs();

				wpCardCollections.Children.Add(csc);
			}

			InvalidateVisual();
		}

		public DominionBase.Players.PhaseEnum Phase
		{
			set
			{
				_PlayerPhase = value;

				foreach (Controls.CardStackControl csc in wpCardCollections.Children.OfType<Controls.CardStackControl>())
					csc.Phase = value;
			}
		}

		private List<DominionBase.Cards.CardCollection> GenerateCardStacks()
		{
			List<DominionBase.Cards.CardCollection> cardStacks = new List<DominionBase.Cards.CardCollection>();

			if (this.Pile == null || this.PileCount == 0)
				return cardStacks;

			int count;

			switch (this.PileVisibility)
			{
				case DominionBase.Piles.Visibility.All:

					IEnumerable<DominionBase.Cards.Card> cards = this.Pile;
					if (this.IsDisplaySorted)
						cards = this.Pile.OrderBy(c => c.Name);

					foreach (DominionBase.Cards.Card card in cards)
					{
						Type cardT = IsCardsVisible ? card.CardType : typeof(object);
						if (cardStacks.Count == 0 || !card.IsStackable || (IsCardsVisible && cardStacks[cardStacks.Count - 1][0].CardType != cardT))
							cardStacks.Add(new DominionBase.Cards.CardCollection());
						cardStacks[cardStacks.Count - 1].AddRange(card.CardStack());
					}
					break;

				case DominionBase.Piles.Visibility.Top:
					if (this.PileCount > 0)
					{
						cardStacks.Add(new DominionBase.Cards.CardCollection());
						count = this.PileCount - 1;
						if (!this.ExactCount && count > 1)
						{
							Double variance = DominionBase.Utilities.Gaussian.NextGaussian();
							count = count + (int)(variance * (count / 4.0));
						}
						for (int index = 0; index < count; index++)
							cardStacks[0].Add(new DominionBase.Cards.Universal.Dummy());
						cardStacks[0].Add(this.PileFirst);
					}
					break;

				case DominionBase.Piles.Visibility.None:
					if (this.PileCount > 0)
					{
						cardStacks.Add(new DominionBase.Cards.CardCollection());
						count = this.PileCount;
						if (!this.ExactCount && count > 1)
						{
							Double variance = DominionBase.Utilities.Gaussian.NextGaussian();
							count = count + (int)(variance * (count / 4.0));
						}
						for (int index = 0; index < count; index++)
							cardStacks[0].Add(new DominionBase.Cards.Universal.Dummy());
					}
					break;
			}

			return cardStacks;
		}
	}
}