using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;
using Windows.UI.Xaml.Controls.Maps;
using Windows.Devices.Geolocation;
using Windows.UI;
using System.Diagnostics;

// The Blank Page item template is documented at https://go.microsoft.com/fwlink/?LinkId=402352&clcid=0x409

namespace App4
{
    /// <summary>
    /// An empty page that can be used on its own or navigated to within a Frame.
    /// </summary>
    public sealed partial class MainPage : Page
    {
        public MainPage()
        {
            this.InitializeComponent();
        }

        private void AppBarButton_Click(object sender, RoutedEventArgs e)
        {
            MapElementsLayer item = new MapElementsLayer();

            MapPolygon shape1 = new MapPolygon();

            shape1.Paths.Add(new Geopath(new BasicGeoposition[] { new BasicGeoposition() { Latitude = 0, Longitude = 0 }, new BasicGeoposition() { Latitude = 20, Longitude = 20 }, new BasicGeoposition() { Latitude = 0, Longitude = 20 } }));

            shape1.FillColor = Colors.Purple;
            item.MapElements.Add(shape1);
            MapView.Layers.Add(item);

            // new Int32[] { 1, 3, 4, 5 }
        }

        private void AppBarButton_Click2(object sender, RoutedEventArgs e)
        {
            MapElementsLayer item = new MapElementsLayer();

            MapPolygon item1 = new MapPolygon();

            item1.Paths.Add(new Geopath(new BasicGeoposition[] { new BasicGeoposition() { Latitude = 0, Longitude = 0 }, new BasicGeoposition() { Latitude = 60, Longitude = 40 }, new BasicGeoposition() { Latitude = 0, Longitude = 50 } }));

            item1.FillColor = Colors.Red;
            item.MapElements.Add(item1);
            MapView.Layers.Add(item);
        }

        private void AppBarButton_Click_1(object sender, RoutedEventArgs e)
        {
            var layer = (MapElementsLayer)(MapView.Layers[0]);
            Random random = new Random();
            Byte[] b = new Byte[4];
            random.NextBytes(b);
            foreach (MapPolygon shape in layer.MapElements)
            {
                shape.FillColor = Color.FromArgb(128, b[0], b[1], b[2]);
                shape.StrokeColor = Colors.Black;
                shape.StrokeThickness = 10;


            }

        }

        private void AppBarButton_Click_2(object sender, RoutedEventArgs e)
        {

            var ls = new ListView();

            ls.IsItemClickEnabled = true;
            ls.ItemClick += Lb_ItemClick;

            ls.Width = 100;
            ls.Height = 300;

            var pop = new Popup();
            ls.Items.Add(new ActionItem("3D", () => { Debug.WriteLine("3D"); pop.IsOpen = true; MapView.Style = MapStyle.Aerial3D; }));
            ls.Items.Add(new ActionItem("2D", () => { Debug.WriteLine("2D"); pop.IsOpen = true; MapView.Style = MapStyle.Aerial; }));
            pop.IsLightDismissEnabled = false;
            pop.Child = ls;
            pop.IsOpen = true;

        }

        private void Lb_ItemClick(object sender, ItemClickEventArgs e)
        {
            ((ActionItem)e.ClickedItem).Action();
        }

        private void AppBarButton_Click_3(object sender, RoutedEventArgs e)
        {
            int i = MapView.Layers.Count - 1;
            while (i >= 0)
            {

                var layer = (MapElementsLayer)(MapView.Layers[i]);
                layer.MapElements.Clear();
                i--;
            }

            // MapView.Layers.Clear();



        }
    }

    public class ActionItem
    {
        public ActionItem(String label, Action action)
        {
            Label = label;
            Action = action;
        }

        public string Label { get; }
        public Action Action { get; }

        public override string ToString()
        {
            return Label;
        }
    }
}