using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
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.Animation;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Tango.BL.Entities;
using Tango.DragAndDrop;
using Tango.MachineStudio.MachineDesigner.ViewModels;

namespace Tango.MachineStudio.MachineDesigner.Views
{
    /// <summary>
    /// Interaction logic for MainView.xaml
    /// </summary>
    public partial class MainView : UserControl
    {
        private MainViewVM _vm;
        private Rectangle _highlightRect;
        private bool _highlightShown;
        private DoubleAnimation _highlightAnimation;

        public ColumnDefinition PanelColumnDefinition { get; set; }

        public MainView()
        {
            InitializeComponent();

            PanelColumnDefinition = panelColumnDefinition;

            DraggingSurface = dragSufrace;
            this.Loaded += (x, y) =>
            {
                _vm = DataContext as MainViewVM;
            };

            DragAndDropService.DragStarted += DragAndDropService_DragStarted;
            DragAndDropService.DragEnded += DragAndDropService_DragEnded;

            _highlightRect = new Rectangle();
            _highlightRect.IsHitTestVisible = false;
            _highlightRect.Stroke = Application.Current.Resources["AccentColorBrush"] as Brush;
            _highlightRect.StrokeThickness = 2;
            _highlightRect.StrokeDashArray = new DoubleCollection(new double[] { 3, 3, 3, 3 });
        }

        private void DragAndDropService_DragEnded(object sender, FrameworkElement e)
        {
            canvas.Children.Remove(_highlightRect);
            _highlightShown = false;
            _highlightRect.BeginAnimation(Rectangle.OpacityProperty, null);
        }

        private void DragAndDropService_DragStarted(object sender, FrameworkElement e)
        {
            if (e.DataContext is HardwareVersion)
            {
                SetHighlightRegion(hardwareGrid);
            }
            else if (e.DataContext is ApplicationOsVersion || e.DataContext is ApplicationDisplayPanelVersion || e.DataContext is ApplicationFirmwareVersion)
            {
                SetHighlightRegion(gridTablet);
            }
            else if (e.DataContext is EmbeddedFirmwareVersion)
            {
                SetHighlightRegion(gridEmbedded);
            }
            else if (e.DataContext is DispenserType || e.DataContext is CartridgeType || e.DataContext is LiquidType || e.DataContext is MidTankType || e.DataContext is IdsPackFormula)
            {
                SetHighlightRegion(gridIds);
            }
        }

        public DraggingSurface DraggingSurface
        {
            get { return (DraggingSurface)GetValue(DraggingSurfaceProperty); }
            set { SetValue(DraggingSurfaceProperty, value); }
        }
        public static readonly DependencyProperty DraggingSurfaceProperty =
            DependencyProperty.Register("DraggingSurface", typeof(DraggingSurface), typeof(MainView), new PropertyMetadata(null));

        private void OnDropOnIdsPack(object sender, DropEventArgs e)
        {
            if (e.Draggable.DataContext is DispenserType)
            {
                _vm.DropDispenserType(e.Draggable.DataContext as DispenserType, e.Droppable.DataContext as IdsPack);
            }
            else if (e.Draggable.DataContext is LiquidType)
            {
                _vm.DropLiquidType(e.Draggable.DataContext as LiquidType, e.Droppable.DataContext as IdsPack);
            }
            else if (e.Draggable.DataContext is CartridgeType)
            {
                _vm.DropCartridgeType(e.Draggable.DataContext as CartridgeType, e.Droppable.DataContext as IdsPack);
            }
            else if (e.Draggable.DataContext is MidTankType)
            {
                _vm.DropMidTankType(e.Draggable.DataContext as MidTankType, e.Droppable.DataContext as IdsPack);
            }
            else if (e.Draggable.DataContext is IdsPackFormula)
            {
                _vm.DropIdsFormula(e.Draggable.DataContext as IdsPackFormula, e.Droppable.DataContext as IdsPack);
            }
            else if (e.Draggable.DataContext is IdsPack)
            {
                _vm.DropIdsPack(e.Draggable.DataContext as IdsPack, e.Droppable.DataContext as IdsPack);
            }
        }

        private void OnTabletDrop(object sender, DropEventArgs e)
        {
            if (e.Draggable.DataContext is ApplicationDisplayPanelVersion)
            {
                _vm.DropTouchPanel(e.Draggable.DataContext as ApplicationDisplayPanelVersion);
            }
            else if (e.Draggable.DataContext is ApplicationOsVersion)
            {
                _vm.DropApplicationOsVersion(e.Draggable.DataContext as ApplicationOsVersion);
            }
            else if (e.Draggable.DataContext is ApplicationFirmwareVersion)
            {
                _vm.DropApplicationFirmwareVersion(e.Draggable.DataContext as ApplicationFirmwareVersion);
            }
        }

        private void OnEmbeddedDrop(object sender, DropEventArgs e)
        {
            if (e.Draggable.DataContext is EmbeddedFirmwareVersion)
            {
                _vm.DropEmbeddedFirmware(e.Draggable.DataContext as EmbeddedFirmwareVersion);
            }
        }

        private void MachineDrop(object sender, DropEventArgs e)
        {
            if (e.Draggable.DataContext is HardwareVersion)
            {
                _vm.DropHardwareVersion(e.Draggable.DataContext as HardwareVersion);
            }
        }

        private void SetHighlightRegion(FrameworkElement element)
        {
            if (!_highlightShown)
            {
                _highlightRect.Width = element.Width;
                _highlightRect.Height = element.Height;
                Canvas.SetLeft(_highlightRect, Canvas.GetLeft(element));
                Canvas.SetTop(_highlightRect, Canvas.GetTop(element));
                canvas.Children.Add(_highlightRect);
                _highlightShown = true;
                _highlightAnimation = new DoubleAnimation();
                _highlightAnimation.From = 0;
                _highlightAnimation.To = 1;
                _highlightAnimation.Duration = TimeSpan.FromSeconds(0.2);
                _highlightAnimation.AutoReverse = true;
                _highlightAnimation.RepeatBehavior = RepeatBehavior.Forever;
                _highlightRect.BeginAnimation(Rectangle.OpacityProperty, _highlightAnimation);
            }
        }
    }
}