#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 Disclaimer / License

using Maestro.Shared.UI;
using OSGeo.MapGuide.MaestroAPI;
using OSGeo.MapGuide.ObjectModels;
using System;
using System.IO;

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

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

        public bool HandleDrop(IServerConnection conn, string file, string folderId)
        {
            try
            {
                var wb = Workbench.Instance;
                var exp = wb.ActiveSiteExplorer;
                var fs = ObjectFactory.CreateFeatureSource("OSGeo.SHP"); //NOXLATE

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

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

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

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

        public override string ToString()
        {
            return Strings.ShpHandlerAction;
        }

        public bool CanHandleFileExtension(string fileExtension)
        {
            return HandlerUtil.ExtensionInList(extensions, fileExtension);
        }
    }
}