#region Disclaimer / License
// Copyright (C) 2010, Jackie Ng
// http://trac.osgeo.org/mapguide/wiki/maestro, jumpinjackie@gmail.com
// 
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// 
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
// 
#endregion
using System;
using System.Collections.Generic;
using System.Text;
using OSGeo.MapGuide.ObjectModels;
using System.IO;
using ICSharpCode.Core;
using OSGeo.MapGuide.MaestroAPI.Resource;
using Maestro.Shared.UI;

namespace Maestro.Base.Services.DragDropHandlers
{
    public class ShpFileHandler : IDragDropHandler
    {
        public string HandlerAction
        {
            get { return Properties.Resources.ShpHandlerAction; }
        }

        private string[] extensions = { ".shp" };

        public string[] FileExtensions
        {
            get { return extensions; }
        }

        public bool HandleDrop(string file, string folderId)
        {
            try
            {
                var wb = Workbench.Instance;
                var exp = wb.ActiveSiteExplorer;
                var mgr = ServiceRegistry.GetService<ServerConnectionManager>();
                var conn = mgr.GetConnection(exp.ConnectionName);
                var fs = ObjectFactory.CreateFeatureSource(conn, "OSGeo.SHP");

                string fileName = Path.GetFileName(file);
                string resName = Path.GetFileNameWithoutExtension(file);
                int counter = 0;
                string resId = folderId + resName + ".FeatureSource";
                while (conn.ResourceService.ResourceExists(resId))
                {
                    counter++;
                    resId = folderId + resName + " (" + counter + ").FeatureSource";
                }
                fs.ResourceID = resId;
                fs.SetConnectionProperty("DefaultFileLocation", "%MG_DATA_FILE_PATH%" + fileName);
                conn.ResourceService.SaveResource(fs);

                //As we all know, the term shape file is deceptive...
                string[] files = new string[] 
                {
                    file,
                    file.Substring(0, file.LastIndexOf(".")) + ".shx",
                    file.Substring(0, file.LastIndexOf(".")) + ".dbf",
                    file.Substring(0, file.LastIndexOf(".")) + ".idx",
                    file.Substring(0, file.LastIndexOf(".")) + ".prj",
                    file.Substring(0, file.LastIndexOf(".")) + ".cpg"
                };

                foreach (string fn in files)
                {
                    if (File.Exists(fn))
                    {
                        using (var stream = File.Open(fn, FileMode.Open))
                        {
                            string dataName = Path.GetFileName(fn);
                            fs.SetResourceData(dataName, OSGeo.MapGuide.ObjectModels.Common.ResourceDataType.File, stream);
                        }
                    }
                }

                return true;
            }
            catch (Exception ex)
            {
                ErrorDialog.Show(ex);
                return false;
            }
        }
    }
}