using MahApps.Metro.Controls;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Forms;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.ComponentModel;
using System.Windows.Interop;

namespace Tango.RemoteRunner.UI
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : MetroWindow
    {
        NotifyIcon _icon;
        private bool _canClose;
        private MainWindowVM _vm;

        public MainWindow()
        {
            InitializeComponent();

            double width = Width;
            double height = Height;

            Width = 0;
            Height = 0;

            Loaded += (_, __) =>
            {
                Visibility = Visibility.Hidden;
                _vm = DataContext as MainWindowVM;
                _vm.SetNotificationAction(Notify);
                Notify("Running in background...");
            };

            ContentRendered += (_, __) =>
            {
                Width = width;
                Height = height;
                _vm.ViewLoaded();
            };

            _icon = new NotifyIcon();
            _icon.Visible = true;
            _icon.Text = Title;
            _icon.Icon = new System.Drawing.Icon(Core.Helpers.EmbeddedResourceHelper.GetEmbeddedResourceStream("Tango.RemoteRunner.UI.process_task.ico"));

            var menuExit = new System.Windows.Forms.MenuItem()
            {
                Text = "Quit",
            };

            menuExit.Click += (_, __) =>
            {
                _canClose = true;
                Close();
            };

            var menuOpen = new System.Windows.Forms.MenuItem()
            {
                Text = "Open",
            };

            menuOpen.Click += (_, __) =>
            {
                Visibility = Visibility.Visible;
                Activate();
            };

            _icon.ContextMenu = new System.Windows.Forms.ContextMenu();
            _icon.ContextMenu.MenuItems.Add(menuOpen);
            _icon.ContextMenu.MenuItems.Add(menuExit);
            _icon.MouseClick += (_, e) =>
            {
                if (e.Button == MouseButtons.Left)
                {
                    Visibility = Visibility.Visible;
                    Activate();
                }
            };

            var helper = new WindowInteropHelper(this);
            helper.EnsureHandle();
        }

        protected override void OnClosing(CancelEventArgs e)
        {
            base.OnClosing(e);

            if (!_canClose)
            {
                Visibility = Visibility.Hidden;
                Notify("Running in background...");
            }

            e.Cancel = !_canClose;
        }

        private void Notify(String text)
        {
            this.BeginInvoke(() =>
            {
                _icon.ShowBalloonTip(500, Title, text, ToolTipIcon.Info);
            });
        }
    }
}