/**
    * This file Copyright (c) 2012-2015 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.ui.contentapp.browser;
  
  import info.magnolia.ui.api.location.DefaultLocation;
  import info.magnolia.ui.api.location.Location;
  
  import org.apache.commons.lang3.StringUtils;
  
  /**
   * ContentLocation used in ContentSubApps. Extends the Default Location by adding fields for the nodePath, viewType and query.
   */
  public class BrowserLocation extends DefaultLocation {
  
      private String nodePath;
      private String viewType;
      private String query;
  
      public BrowserLocation(String appName, String subAppId, String parameter) {
          super(LOCATION_TYPE_APP, appName, subAppId, parameter);
  
          setNodePath(extractNodePath(parameter));
          setViewType(extractView(parameter));
          setQuery(extractQuery(parameter));
      }
  
      public String getNodePath() {
          return nodePath;
      }
  
      /**
       * If the node path is empty, assume root path.
       */
      private void setNodePath(String nodePath) {
          this.nodePath = (nodePath == null || nodePath.isEmpty()) ? "/" : nodePath;
      }
  
      public String getViewType() {
          return viewType;
      }
  
      private void setViewType(String viewType) {
          this.viewType = viewType;
      }
  
      public String getQuery() {
          return query;
      }
  
      private void setQuery(String query) {
          this.query = query;
      }
  
      private String extractNodePath(String parameter) {
          int i = parameter.indexOf(':');
          return i != -1 ? parameter.substring(0, i) : parameter;
      }
  
      private String extractView(String parameter) {
          // first param is path
          int i = parameter.indexOf(':');
          if (i != -1) {
              // isolate view type parameter, there can be more
              int j = parameter.indexOf(':', i + 1);
              String view = (j != -1) ? parameter.substring(i + 1, j) : parameter.substring(i + 1);
              if (StringUtils.isNotBlank(view)) {
                  return view;
              }
         }
         return null;
     }
 
     public static String extractQuery(String fragment) {
         // nodePath
         int i = fragment.indexOf(':');
         if (i == -1) {
             return "";
         }
         // view
         int j = fragment.indexOf(':', i + 1);
         if (j == -1) {
             return "";
         }
         // query
         return fragment.substring(j + 1);
     }
 
     protected void updateParameter() {
         StringBuilder sb = new StringBuilder();
         sb.append(nodePath);
         sb.append(":");
         sb.append(viewType);
         sb.append(":");
         sb.append(query);
         super.setParameter(sb.toString());
     }
 
     public static BrowserLocation wrap(Location location) {
         return new BrowserLocation(location.getAppName(), location.getSubAppId(), location.getParameter());
     }
 
     public void updateNodePath(String newNodePath) {
         setNodePath(newNodePath);
         updateParameter();
     }
 
     public void updateViewType(String newViewType) {
         setViewType(newViewType);
         updateParameter();
     }
 
     public void updateQuery(String newQuery) {
         setQuery(newQuery);
         updateParameter();
     }
 }