using System.Drawing;
namespace DealerCenter
{
	using MonoMobile.MVVM;
	using MonoTouch.Foundation;
	using MonoTouch.UIKit;
	using System.Threading;

	[Register("AppDelegate")]
	public class AppDelegate : UIApplicationDelegate
	{
		private static UIImage _DefaultImage = UIImage.FromFile("Default.png");

		private UIWindow _Window;
		private UINavigationController _Navigation;

		// This method is invoked when the application has loaded its UI and its ready to run
		public override bool FinishedLaunching(UIApplication app, NSDictionary options)
		{
			_Navigation = new UINavigationController();
			_Navigation.View.BackgroundColor = UIColor.FromPatternImage(_DefaultImage);

            // Create the main window and add the navigation controller as a subview
            _Window = new UIWindow(UIScreen.MainScreen.Bounds);

			_Window.Alpha = 0.5f;

			_Window.AddSubview(_Navigation.View);
			_Window.MakeKeyAndVisible();

			Application.Window = _Window;
			Application.Navigation = _Navigation;

			// this method initializes the main menu Dialog
			var startupThread = new Thread(Startup as ThreadStart);
			startupThread.Start();

			return true;
		}

		[Export("Startup")]
		private void Startup()
		{
			using (var pool = new NSAutoreleasePool())
			{
				InvokeOnMainThread(delegate
				{
					var binding = new BindingContext(new LoginView(), "DealerCenter");
					_Navigation.ViewControllers = new UIViewController[] { new DialogViewController(UITableViewStyle.Grouped, binding, true) };//{Autorotate = true } };


					UIView.BeginAnimations("fadeIn");
					UIView.SetAnimationDuration(0.3f);
					_Window.Alpha = 1.0f;
					UIView.CommitAnimations();
				});
			}
		}

        // This method is allegedly required in iPhoneOS 3.0
        public override void OnActivated(UIApplication application)
        {
        }

		public override void WillTerminate (UIApplication application)
		{
			SaveScreen();
		}

		public override void DidEnterBackground (UIApplication application)
		{
			SaveScreen();
		}

		private void SaveScreen()
		{
			// Save screenshot as splashscreen
			UIGraphics.BeginImageContext(_Window.Bounds.Size);

			_Window.Layer.RenderInContext(UIGraphics.GetCurrentContext());
			var image = UIGraphics.GetImageFromCurrentImageContext();

			UIGraphics.EndImageContext();

			NSError err = new NSError();
			image.AsPNG().Save("Default.png", true, out err);
		}
	}
}