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.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Tango.FSE.PPCConsole.ViewModels;

namespace Tango.FSE.PPCConsole.Controls
{
    /// <summary>
    /// Interaction logic for RemoteDesktopControl.xaml
    /// </summary>
    public partial class RemoteDesktopControl : UserControl
    {
        private RemoteDesktopViewVM _vm;

        public RemoteDesktopControl()
        {
            InitializeComponent();

            Loaded += (_, __) => _vm = DataContext as RemoteDesktopViewVM;

            img.PreviewMouseDown += Img_PreviewMouseDown;
            img.PreviewMouseUp += Img_PreviewMouseUp;
            img.PreviewMouseMove += Img_PreviewMouseMove;
            img.PreviewKeyDown += Img_PreviewKeyDown;
            img.PreviewKeyUp += Img_PreviewKeyUp;
            img.PreviewMouseWheel += Img_PreviewMouseWheel;
        }

        private void Img_PreviewKeyDown(object sender, KeyEventArgs e)
        {
            _vm.OnKeyboardDown(e.Key, Keyboard.IsKeyDown(Key.LeftCtrl), Keyboard.IsKeyDown(Key.LeftShift), Keyboard.IsKeyDown(Key.LeftAlt));
        }

        private void Img_PreviewKeyUp(object sender, KeyEventArgs e)
        {
            _vm.OnKeyboardUp(e.Key, Keyboard.IsKeyDown(Key.LeftCtrl), Keyboard.IsKeyDown(Key.LeftShift), Keyboard.IsKeyDown(Key.LeftAlt));
        }

        private void Img_PreviewMouseDown(object sender, MouseButtonEventArgs e)
        {
            Mouse.Capture(img);

            if (e.ClickCount == 2)
            {
                _vm.OnMouseDoubleClick(e.ChangedButton, e.GetPosition(img), new Size(img.ActualWidth, img.ActualHeight));
            }
            else
            {
                _vm.OnMouseDown(e.ChangedButton, e.GetPosition(img), new Size(img.ActualWidth, img.ActualHeight));
            }
        }

        private void Img_PreviewMouseUp(object sender, MouseButtonEventArgs e)
        {
            img.Focus();
            Keyboard.Focus(img);
            img.ReleaseMouseCapture();
            _vm.OnMouseUp(e.ChangedButton, e.GetPosition(img), new Size(img.ActualWidth, img.ActualHeight));
        }

        private void Img_PreviewMouseMove(object sender, MouseEventArgs e)
        {
            _vm.OnMouseMove(e.GetPosition(img), new Size(img.ActualWidth, img.ActualHeight));
        }

        private void Img_PreviewMouseWheel(object sender, MouseWheelEventArgs e)
        {
            _vm.OnMouseScroll(e.Delta, e.GetPosition(img), new Size(img.ActualWidth, img.ActualHeight));
        }

        private void BtnSnapshot_Click(object sender, RoutedEventArgs e)
        {
            rectSnapshot.StartDoubleAnimation(Rectangle.OpacityProperty, TimeSpan.FromSeconds(0.2), 1, 0, null, null, null, true);
        }
    }
}