/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
    *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.syncope.client.console.panels;
  
  import java.io.Serializable;
  import java.util.List;
  import java.util.stream.Collectors;
  import org.apache.syncope.client.console.SyncopeConsoleSession;
  import org.apache.syncope.client.console.pages.BasePage;
  import org.apache.syncope.client.console.rest.AnyTypeRestClient;
  import org.apache.syncope.client.ui.commons.Constants;
  import org.apache.syncope.client.ui.commons.markup.html.form.AjaxDropDownChoicePanel;
  import org.apache.syncope.client.ui.commons.markup.html.form.FieldPanel;
  import org.apache.syncope.common.lib.SyncopeClientException;
  import org.apache.syncope.common.lib.to.GroupTO;
  import org.apache.syncope.common.lib.types.AnyTypeKind;
  import org.apache.wicket.PageReference;
  import org.apache.wicket.ajax.AjaxRequestTarget;
  import org.apache.wicket.ajax.markup.html.form.AjaxSubmitLink;
  import org.apache.wicket.markup.html.form.Form;
  import org.apache.wicket.markup.html.form.IChoiceRenderer;
  import org.apache.wicket.model.LoadableDetachableModel;
  import org.apache.wicket.model.Model;
  import org.apache.wicket.model.ResourceModel;
  import org.apache.wicket.spring.injection.annot.SpringBean;
  
  public abstract class MembersTogglePanel extends TogglePanel<Serializable> {
  
      private static final long serialVersionUID = -3195479265440591519L;
  
      @SpringBean
      protected AnyTypeRestClient anyTypeRestClient;
  
      protected GroupTO groupTO;
  
      protected final Form<?> form;
  
      protected final Model<String> typeModel = new Model<>();
  
      private final LoadableDetachableModel<List<String>> anyTypes = new LoadableDetachableModel<>() {
  
          private static final long serialVersionUID = 5275935387613157437L;
  
          @Override
          protected List<String> load() {
              return anyTypeRestClient.list().stream().
                      filter(anyType -> !AnyTypeKind.GROUP.name().equals(anyType)).collect(Collectors.toList());
          }
      };
  
      public MembersTogglePanel(final PageReference pageRef) {
          super(Constants.OUTER, "groupMembers", pageRef);
  
          form = new Form<>("membersForm");
          addInnerObject(form);
  
          FieldPanel<String> type = new AjaxDropDownChoicePanel<>("type", "type", typeModel, false).
                  setChoices(anyTypes).
                  setChoiceRenderer(new IChoiceRenderer<String>() {
  
                      private static final long serialVersionUID = -200150326532439794L;
  
                      @Override
                      public Object getDisplayValue(final String anyType) {
                          return new ResourceModel("anyType." + anyType, anyType).getObject();
                      }
                  }).
                  setStyleSheet("form-control").
                  setRequired(true);
  
          type.hideLabel();
          form.add(type);
  
          form.add(new AjaxSubmitLink("changeit", form) {
  
              private static final long serialVersionUID = -7978723352517770644L;
  
              @Override
              protected void onSubmit(final AjaxRequestTarget target) {
                  try {
                      onApplyInternal(groupTO, typeModel.getObject(), target);
                      toggle(target, false);
                  } catch (SyncopeClientException e) {
                     LOG.error("While inspecting group memebers of type {}", typeModel.getObject(), e);
                     SyncopeConsoleSession.get().onException(e);
                 }
                 ((BasePage) pageRef.getPage()).getNotificationPanel().refresh(target);
             }
 
             @Override
             protected void onError(final AjaxRequestTarget target) {
                 ((BasePage) pageRef.getPage()).getNotificationPanel().refresh(target);
             }
         });
     }
 
     protected abstract Serializable onApplyInternal(
             GroupTO groupTO, String type, AjaxRequestTarget target);
 
     public void setTargetObject(final GroupTO groupTO) {
         this.groupTO = groupTO;
     }
 }