using System.Collections.ObjectModel;
using System.Web;
using System.Web.Mvc;
using PdfSharp;
using PdfSharp.Pdf;
using ThinkGeo.MapSuite.Core;
using ThinkGeo.MapSuite.MvcEdition;
using System.Drawing;
using System.IO;
using System.Drawing.Imaging;

namespace CSharp_HowDoISamples
{
    public partial class MiscellaneousController : Controller
    {
        //
        // GET: /UsePdfExtension/

        public ActionResult UsePdfExtension()
        {
                     Map map = new Map("Map1",
new System.Web.UI.WebControls.Unit(100, System.Web.UI.WebControls.UnitType.Percentage),
new System.Web.UI.WebControls.Unit(100, System.Web.UI.WebControls.UnitType.Percentage));

            map.MapUnit = GeographyUnit.Meter;
            map.CurrentExtent = new RectangleShape(-10000000, 10000000, 10000000, -10000000);

            map.MapBackground = new BackgroundLayer(new GeoSolidBrush(GeoColor.FromHtml("#E5E3DF")));
            map.StaticOverlay.Layers.Add(new GoogleMapsLayer());

            SimpleMarkerOverlay markerOV = new SimpleMarkerOverlay();
            Marker marker = new Marker(-8922952.93266, 2984101.58384);
            marker.WebImage = new WebImage("../content/theme/default/img/marker_blue.gif");
            markerOV.Markers.Add(marker);

            map.CustomOverlays.Add(markerOV);
            return View(map);
        
        }

        [MapActionFilter]
        public string ToPdf(Map map, GeoCollection<object> args)
        {
            PdfDocument document = new PdfDocument();
            PdfPage page = document.AddPage();

            string selectedItemText = args[0].ToString();
            if (selectedItemText == "Landscape")
            {
                page.Orientation = PageOrientation.Landscape;
            }

            PdfGeoCanvas pdfGeoCanvas = new PdfGeoCanvas();
            RectangleShape rect = new RectangleShape(double.Parse(args["left"].ToString()), double.Parse(args["top"].ToString()), double.Parse(args["right"].ToString()), double.Parse(args["bottom"].ToString()));
            map.CurrentExtent = rect;
            pdfGeoCanvas.BeginDrawing(page, rect, GeographyUnit.DecimalDegree);
            Bitmap bitmap = map.GetBitmap();
            MemoryStream stream = new MemoryStream();
            bitmap.Save(stream, ImageFormat.Png);
            PointShape centerPoint = pdfGeoCanvas.CurrentWorldExtent.GetCenterPoint();
            pdfGeoCanvas.DrawWorldImageWithoutScaling(new GeoImage(stream), centerPoint.X, centerPoint.Y, DrawingLevel.LabelLevel);
            pdfGeoCanvas.EndDrawing();

            string relativePath = string.Format("~/Controllers/{0}/{1}", ControllerContext.RouteData.Values["Controller"], "MapSuite PDF Map.pdf");

            string filename = Server.MapPath(relativePath);
            document.Save(filename);
            return VirtualPathUtility.ToAbsolute(relativePath);
        }
    }
}