/**
    * This file Copyright (c) 2021 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.vaadin.gwt.client.postmessage;
  
  import com.google.gwt.event.shared.EventBus;
  import com.google.gwt.event.shared.SimpleEventBus;
  import com.vaadin.client.ServerConnector;
  import com.vaadin.client.communication.RpcProxy;
  import com.vaadin.client.extensions.AbstractExtensionConnector;
  import com.vaadin.shared.ui.Connect;
  import info.magnolia.ui.vaadin.editor.PostMessageExtension;
  import info.magnolia.ui.vaadin.gwt.client.editor.event.ComponentActionEvent;
  import info.magnolia.ui.vaadin.gwt.client.editor.event.ComponentStartMoveEvent;
  import info.magnolia.ui.vaadin.gwt.client.editor.event.ComponentStopMoveEvent;
  import info.magnolia.ui.vaadin.gwt.client.editor.event.EditAreaEvent;
  import info.magnolia.ui.vaadin.gwt.client.editor.event.EditComponentEvent;
  import info.magnolia.ui.vaadin.gwt.client.editor.event.NewComponentEvent;
  import info.magnolia.ui.vaadin.gwt.client.editor.event.SelectElementEvent;
  import info.magnolia.ui.vaadin.gwt.client.editor.event.SortComponentEvent;
  import info.magnolia.ui.vaadin.gwt.client.rpc.PageEditorClientRpc;
  import info.magnolia.ui.vaadin.gwt.client.rpc.PageEditorServerRpc;
  import info.magnolia.ui.vaadin.gwt.client.shared.AbstractElement;
  import info.magnolia.ui.vaadin.gwt.client.shared.AreaElement;
  import info.magnolia.ui.vaadin.gwt.client.shared.ComponentElement;
  import info.magnolia.ui.vaadin.gwt.client.shared.PageElement;
  
  /**
   * Client-side connector which connects to {@link PostMessageExtension}.
   */
  @SuppressWarnings("serial")
  @Connect(PostMessageExtension.class)
  public class PostMessageHandlerConnector extends AbstractExtensionConnector {
  
      PageEditorServerRpc rpc = RpcProxy.create(
              PageEditorServerRpc.class, this);
  
      private PostMessageHandler postMessageHandler;
  
      private final EventBus eventBus = new SimpleEventBus();
  
      @Override
      protected void init() {
          super.init();
          postMessageHandler = new PostMessageHandler(eventBus);
          eventBus.addHandler(SelectElementEvent.TYPE, event -> {
              AbstractElement selectedElement = event.getElement();
              if (selectedElement instanceof PageElement) {
                  rpc.selectPage((PageElement) selectedElement);
              } else if (selectedElement instanceof AreaElement) {
                  rpc.selectArea((AreaElement) selectedElement);
              } else if (selectedElement instanceof ComponentElement) {
                  rpc.selectComponent((ComponentElement) selectedElement);
              }
          });
  
          eventBus.addHandler(NewComponentEvent.TYPE, newComponentEvent -> {
              if (!getConnection().getMessageSender().hasActiveRequest()) {
                  rpc.newComponent(newComponentEvent.getParentAreaElement());
              }
          });
  
          eventBus.addHandler(EditAreaEvent.TYPE, editAreaEvent -> {
              if (!getConnection().getMessageSender().hasActiveRequest()) {
                  rpc.editArea(editAreaEvent.getAreaElement());
              }
          });
  
          eventBus.addHandler(EditComponentEvent.TYPE, editComponentEvent -> {
             if (!getConnection().getMessageSender().hasActiveRequest()) {
                 rpc.editComponent(editComponentEvent.getComponentElement());
             }
         });
 
         eventBus.addHandler(ComponentActionEvent.TYPE, actionEvent -> {
             rpc.onClientAction(actionEvent.getElement(), actionEvent.getActionName(), actionEvent.getParameters());
         });
 
         eventBus.addHandler(ComponentStartMoveEvent.TYPE, componentStartMoveEvent -> rpc.startMoveComponent(componentStartMoveEvent.getComponentElement()));
 
         eventBus.addHandler(SortComponentEvent.TYPE, sortComponentEvent -> rpc.sortComponent(sortComponentEvent.getAreaElement()));
 
         eventBus.addHandler(ComponentStopMoveEvent.TYPE, stopMoveEvent -> {
             rpc.stopMoveComponent();
         });
 
         registerRpc(PageEditorClientRpc.class,
                 new PageEditorClientRpc() {
                     @Override
                     public void refresh() {
                         postMessageHandler.refresh();
                     }
 
                     @Override
                     public void startMoveComponent(ComponentElement moveComponent) {
                         postMessageHandler.startMoveComponent(moveComponent);
                     }
 
                     @Override
                     public void cancelMoveComponent() {
                         postMessageHandler.cancelMoveComponent();
                     }
                 });
     }
 
     @Override
     public void onUnregister() {
         super.onUnregister();
         postMessageHandler.remove();
     }
 
     @Override
     protected void extend(ServerConnector target) {
         // NOOP
     }
 
 }