using DevExpress.CodeParser;
using DevExpress.XtraEditors;
using DevExpress.XtraEditors.Controls;
using DevExpress.XtraMap;
using Ips.Library.Basic;
using Ips.Library.DxpLib;
using Ips.Library.Entity;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Ips.Sps.Maps
{
    public partial class MapRangeSelectForm : DevExpress.XtraEditors.XtraForm
    {
        public MapRangeSelectForm()
        {
            InitializeComponent();
            InitMap();
        }

        public MapRangeSelectForm(GeoRange geoRange) : this()
        {
            SelectRange = geoRange;
        }

        MapEditor Editor { get { return mapControl.MapEditor; } }
        MapRectangle rectItem;
        MapDot centerPoint;

        public GeoRange SelectRange { get; set; }

        void InitMap()
        {
            mapControl.InitIpsOptions(new IpsMapOption()
            {
                ZoomLevel = 4d,
                CircularScrollingMode = CircularScrollingMode.None
            });
            centerPoint = new MapDot()
            {
                Fill = Color.Red,
                Size = 8,
                Visible = false
            };
            rectItemStorage.Items.Add(centerPoint);
        }

        private void MapRangeSelectForm_Load(object sender, EventArgs e)
        {
            Editor.ActiveLayer = rectItemsLayer;
            Editor.MapItemCreating += Editor_MapItemCreating;
            Editor.MapItemEditing += Editor_MapItemEditing;
            Editor.MapItemEdited += Editor_MapItemEdited;
            centerPoint.Visible = SelectRange != null;
            if (SelectRange != null)
            {
                var startPoint = new GeoPoint(SelectRange.LatMax, SelectRange.LonMin);
                var endPoint = new GeoPoint(SelectRange.LatMin, SelectRange.LonMax);
                rectItem = MapRectangle.FromLeftTopRightBottom(mapControl.CoordinateSystem, startPoint, endPoint);
                rectItemStorage.Items.Clear();
                SetItemStyle(rectItem);
                rectItemStorage.Items.Add(rectItem);
                rectItemStorage.Items.Add(centerPoint);
                centerPoint.Location = new GeoPoint(SelectRange.Lat, SelectRange.Lon);


                txtLon.EditValue = SelectRange.Lon;
                txtLat.EditValue = SelectRange.Lat;
                txtAlt.EditValue = SelectRange.Alt;
                txtLonRange.EditValue = SelectRange.LonRange;
                txtLatRange.EditValue = SelectRange.LatRange;
            }
        }

        private void Editor_MapItemEditing(object sender, MapItemEditingEventArgs e)
        {
        }

        private void Editor_MapItemEdited(object sender, MapItemEditedEventArgs e)
        {
            if (e.Action == MapEditorAction.Remove)
            {
                rectItem = null;
                SelectRange = null;
                centerPoint.Visible = false;
            }
            else
            {
                var bound = rectItem.GetBounds();
                var lonRange = bound.Right - bound.Left;
                var latRange = bound.Top - bound.Bottom;
                var lon = bound.Left + lonRange / 2;
                var lat = bound.Bottom + latRange / 2;
                txtLon.EditValue = lon.ToString("F3");
                txtLat.EditValue = lat.ToString("F3");
                txtLonRange.EditValue = lonRange.ToString("F1");
                txtLatRange.EditValue = latRange.ToString("F1");
            }
        }

        private void Editor_MapItemCreating(object sender, MapItemCreatingEventArgs e)
        {
            if (rectItem != null)
            {
                Editor.RemoveItems(new MapItem[] { rectItem });
            }
            rectItem = e.Item as MapRectangle;
            SetItemStyle(e.Item);
            centerPoint.Visible = true;
        }

        private void SetItemStyle(MapItem item)
        {
            item.Fill = Color.FromArgb(50, Color.Green);
            item.Stroke = Color.White;
        }

        private void btnOk_Click(object sender, EventArgs e)
        {
            var lonRange = txtLonRange.Text.IfNullOrWhitespace("360").To(0d);
            var latRange = txtLatRange.Text.IfNullOrWhitespace("180").To(0d);
            var lon = txtLon.Text.To(0d);
            var lat = txtLat.Text.To(0d);
            var alt = txtAlt.Text.To(0d);
            SelectRange = new GeoRange(lon, lat, alt, lonRange, latRange);
            this.DialogResult = DialogResult.OK;
            Close();
        }

        private void mapControl_DrawMapItem(object sender, DrawMapItemEventArgs e)
        {
            if (e.Item == rectItem && rectItem != null)
            {
                centerPoint.Location = rectItem.GetCenter();
            }
        }
    }
}