using System;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media.Imaging;
using ThinkGeo.MapSuite.Core;
using ThinkGeo.MapSuite.WpfDesktopEdition;

namespace MovingMarker
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void WpfMap_Loaded(object sender, RoutedEventArgs e)
        {
            wpfMap1.MapUnit = GeographyUnit.DecimalDegree;
            wpfMap1.CurrentExtent = new RectangleShape(-155.733, 95.60, 104.42, -81.9);

            WorldMapKitWmsWpfOverlay worldMapKitOverlay = new WorldMapKitWmsWpfOverlay();
            wpfMap1.Overlays.Add(worldMapKitOverlay);

            SimpleMarkerOverlay markerOverlay = new SimpleMarkerOverlay();
            markerOverlay.DragMode = MarkerDragMode.Drag;
            markerOverlay.MarkerDragged += new EventHandler<MarkerDraggedSimpleMarkerOverlayEventArgs>(markerOverlay_MarkerDragged);


            wpfMap1.Overlays.Add("MarkerOverlay", markerOverlay);

            inmLayer.ZoomLevelSet.ZoomLevel01.DefaultPointStyle = PointStyles.Capital1;
            inmLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;

            ov.Layers.Add(inmLayer);
            wpfMap1.Overlays.Add(ov);
            wpfMap1.Refresh();
        }
        InMemoryFeatureLayer inmLayer = new InMemoryFeatureLayer();
        LayerOverlay ov = new LayerOverlay();

        void markerOverlay_MarkerDragged(object sender, MarkerDraggedSimpleMarkerOverlayEventArgs e)
        {
            inmLayer.InternalFeatures.Add(new Feature(e.DraggingMarker.Position.X, e.DraggingMarker.Position.Y));
            wpfMap1.Refresh(ov);
        }


        private void wpfMap1_MapClick(object sender, MapClickWpfMapEventArgs e)
        {
            if (e.MouseButton != MapMouseButton.Left)
                return;

            SimpleMarkerOverlay markerOverlay = (SimpleMarkerOverlay)wpfMap1.Overlays["MarkerOverlay"];
            AddPictureMarkerToOverlay(e.WorldLocation, markerOverlay);
            markerOverlay.Refresh();
        }

        private void OnMarkerPreviewMouseRightButtonUp(object sender, MouseButtonEventArgs e)
        {
            ((Marker)sender).ContextMenu.IsOpen = true;
        }

        private void AddPictureMarkerToOverlay(PointShape point, SimpleMarkerOverlay markerOverlay)
        {
            List<Marker> markers = new List<Marker>();

            for (var i = 0; i < 5; i++)
            {
                markers.Add(CreateMarker(new PointShape(point.X + i, point.Y + i)));
            }

            foreach (var marker in markers)
            {
                markerOverlay.Markers.Add(marker);
            }
        }

        private Marker CreateMarker(PointShape point)
        {
            Marker marker = new Marker(point);
            marker.ImageSource = new BitmapImage(new Uri("/Resources/AQUA.png", UriKind.RelativeOrAbsolute));
            marker.Width = 32;
            marker.Height = 32;
            marker.YOffset = -17;
            
            CompleteMarkerSetup(marker);
            return marker;
        }

        private void CompleteMarkerSetup(Marker marker)
        {
            var contextMenu = new ContextMenu();
            var menuItem = new MenuItem();
            menuItem.Header = "Remove";
            menuItem.Name = "Marker" + marker.GetHashCode().ToString();
            menuItem.Click += OnRemoveMarkerRequested;
            contextMenu.Items.Add(menuItem);

            marker.ContextMenu = contextMenu;
            marker.Name = menuItem.Name;
            marker.PreviewMouseRightButtonUp += OnMarkerPreviewMouseRightButtonUp;
        }

        private void OnRemoveMarkerRequested(object sender, RoutedEventArgs e)
        {
            var menuItem = (MenuItem)e.Source;
            menuItem.Click -= OnRemoveMarkerRequested;

            var markerName = ((MenuItem)e.Source).Name;

            var markerOverlay = (SimpleMarkerOverlay)wpfMap1.Overlays["MarkerOverlay"];
            markerOverlay.Markers.Remove(markerName);
            markerOverlay.Refresh();
        }
    }
}