using System;
using System.Collections.Generic;
using System.Linq;
using MonoTouch.Foundation;
using MonoTouch.UIKit;
using MonoTouch.GameKit;
using Core;

namespace Hnefatafl
{
	public class SelectVariationController : UIViewController
	{
		SelectVariationView view;
		GameController gameController;
		Game game;
		GameType gameType;
		NSUserDefaults defaults;
		bool isTablet;

		public SelectVariationController (GameType gameType)
		{
			this.gameType = gameType;
			defaults = NSUserDefaults.StandardUserDefaults;
			isTablet = UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Pad;
		}

		public void btnHnefatafl_Pushed ()
		{
			game = new Game (Variation.Hnefatafl, view.swWeak.On, isTablet);

			switch (gameType) {
			case GameType.Asynchronous:
				GCHelper.findMatchWithViewController (this, Variation.Hnefatafl, false, true, 
				                                      view.swWeak.On);
				break;
			case GameType.PassNPlay:
				if (defaults.DataForKey ("pnpHnefatafl") != null)
					game = (Game) GCHelper.ByteArrayToObject (defaults.DataForKey ("pnpHnefatafl").
					                                          ToArray ());
				addSubview ();
				break;
			default:
				break;
			}
		}

		public void btnArdRi_Pushed ()
		{
			game = new Game (Variation.ArdRi, view.swWeak.On, isTablet);
			
			switch (gameType) {
			case GameType.Asynchronous:
				GCHelper.findMatchWithViewController (this, Variation.Hnefatafl, true, true, 
				                                      view.swWeak.On);
				break;
			case GameType.PassNPlay:
				if (defaults.DataForKey ("pnpArdRi") != null)
					game = (Game) GCHelper.ByteArrayToObject (defaults.DataForKey ("pnpArdRi").
					                                          ToArray ());
				addSubview ();
				break;
			default:
				break;
			}
		}

		public void btnTablut_Pushed ()
		{
			game = new Game (Variation.Tablut, view.swWeak.On, isTablet);
			
			switch (gameType) {
			case GameType.Asynchronous:
				GCHelper.findMatchWithViewController (this, Variation.Hnefatafl, false, true, 
				                                      view.swWeak.On);
				break;
			case GameType.PassNPlay:
				if (defaults.DataForKey ("pnpTablut") != null)
					game = (Game) GCHelper.ByteArrayToObject (defaults.DataForKey ("pnpTablut").
					                                          ToArray ());
				addSubview ();
				break;
			default:
				break;
			}
		}

		public void btnMenu_Pushed ()
		{
			NavigationController.PopViewControllerAnimated (true);
		}

		void addSubview ()
		{
			if (gameType == GameType.PassNPlay)
				gameController = new PassNPlayController (game);
			else
				gameController = new OnlineController (game);

			NavigationController.PushViewController (gameController, true);
		}

		public void EnterNewGame (GKTurnBasedMatch match)
		{
			GCHelper.LoadPlayersForCurrentMatch ();
			addSubview ();
		}

		public void TakeTurn (GKTurnBasedMatch match)
		{
			byte[] dataBytes = match.MatchData.ToArray ();
			byte[] decompressed = GCHelper.Decompress (dataBytes);
			game = (Game) GCHelper.ByteArrayToObject (decompressed);

			if (game != null) {
				GCHelper.LoadPlayersForCurrentMatch ();
				addSubview ();
			}
		}

		public void SendNotice (string notice, GKTurnBasedMatch match)
		{
			GKNotificationBanner.Show (notice, match.Message, null);
		}

		public override void LoadView()
		{
			view = new SelectVariationView ();

			view.btnHnefatafl_Pushed = btnHnefatafl_Pushed;
			view.btnArdRi_Pushed = btnArdRi_Pushed;
			view.btnTablut_Pushed = btnTablut_Pushed;
			view.btnMenu_Pushed = btnMenu_Pushed;

			View = view;
		}
		
		public override void ViewWillAppear (bool animated)
		{
			NavigationController.NavigationBar.Hidden = true;
		}

		public override void ViewDidLoad ()
		{
			GCHelper.EnterNewGame = EnterNewGame;
			GCHelper.TakeTurn = TakeTurn;
			GCHelper.SendNotice = SendNotice;
		}
	}
}