/*
 * Copyright (c) 2017 ETH Zürich, Educational Development and Technology (LET)
 * 
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

using System.Windows;
using SafeExamBrowser.Contracts.Logging;
using SafeExamBrowser.Contracts.UserInterface.Taskbar;

namespace SafeExamBrowser.UserInterface.Classic
{
	public partial class Taskbar : Window, ITaskbar
	{
		private ILogger logger;

		public Taskbar(ILogger logger)
		{
			InitializeComponent();

			this.logger = logger;

			Loaded += (o, args) => InitializeBounds();
			Closing += Taskbar_Closing;
		}

		public void AddApplication(IApplicationButton button)
		{
			if (button is UIElement)
			{
				// TODO: ApplicationStackPanel.Children.Add(button as UIElement);
			}
		}

		public void AddNotification(INotificationButton button)
		{
			if (button is UIElement)
			{
				// TODO: NotificationStackPanel.Children.Add(button as UIElement);
			}
		}

		public void AddSystemControl(ISystemControl control)
		{
			if (control is UIElement)
			{
				// TODO: SystemControlStackPanel.Children.Add(control as UIElement);
			}
		}

		public int GetAbsoluteHeight()
		{
			return Dispatcher.Invoke(() =>
			{
				//var height = (int) this.TransformToPhysical(Width, Height).Y;

				//logger.Info($"Calculated physical taskbar height is {height}px.");

				//return height;

				return 40;
			});
		}

		public void InitializeBounds()
		{
			Dispatcher.Invoke(() =>
			{
				//Width = SystemParameters.WorkArea.Right;
				//Left = SystemParameters.WorkArea.Right - Width;
				//Top = SystemParameters.WorkArea.Bottom;

				//var position = this.TransformToPhysical(Left, Top);
				//var size = this.TransformToPhysical(Width, Height);

				//logger.Info($"Set taskbar bounds to {Width}x{Height} at ({Left}/{Top}), in physical pixels: {size.X}x{size.Y} at ({position.X}/{position.Y}).");
			});
		}

		private void Taskbar_Closing(object sender, System.ComponentModel.CancelEventArgs e)
		{
			//foreach (var child in SystemControlStackPanel.Children)
			//{
			//	if (child is ISystemControl)
			//	{
			//		(child as ISystemControl).Close();
			//	}
			//}
		}
	}
}