/*
    * 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.wizards.resources;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import org.apache.syncope.client.console.rest.ConnectorRestClient;
  import org.apache.syncope.common.lib.to.ResourceTO;
  import org.apache.syncope.common.lib.types.ConnConfProperty;
  import org.apache.wicket.ajax.markup.html.form.AjaxButton;
  import org.apache.wicket.model.LoadableDetachableModel;
  import org.apache.wicket.model.PropertyModel;
  import org.apache.wicket.spring.injection.annot.SpringBean;
  
  public abstract class ResourceConnConfPanel extends AbstractConnConfPanel<ResourceTO> {
  
      private static final long serialVersionUID = -7982691107029848579L;
  
      @SpringBean
      protected ConnectorRestClient connectorRestClient;
  
      public ResourceConnConfPanel(final ResourceTO resourceTO) {
          super(resourceTO);
  
          model = new LoadableDetachableModel<>() {
  
              private static final long serialVersionUID = -2965284931860212687L;
  
              @Override
              protected List<ConnConfProperty> load() {
                  List<ConnConfProperty> confOverride = getConnProperties(resourceTO);
                  resourceTO.getConfOverride().clear();
                  resourceTO.getConfOverride().addAll(confOverride);
  
                  return new PropertyModel<List<ConnConfProperty>>(modelObject, "confOverride") {
  
                      private static final long serialVersionUID = -7809699384012595307L;
  
                      @Override
                      public List<ConnConfProperty> getObject() {
                          List<ConnConfProperty> res = new ArrayList<>(super.getObject());
  
                          // re-order properties
                          res.sort((left, right) -> {
                              if (left == null) {
                                  return -1;
                              } else {
                                  return left.compareTo(right);
                              }
                          });
  
                          return res;
                      }
                  }.getObject();
              }
          };
  
          setConfPropertyListView(model, true);
  
          check.setEnabled(!model.getObject().isEmpty());
          check.setVisible(!model.getObject().isEmpty());
      }
  
      /**
       * Get overridable properties.
       *
       * @param resourceTO resource instance.
       * @return overridable properties.
       */
      @Override
      protected final List<ConnConfProperty> getConnProperties(final ResourceTO resourceTO) {
          List<ConnConfProperty> props = new ArrayList<>();
  
          if (resourceTO.getConnector() != null) {
              connectorRestClient.read(resourceTO.getConnector()).getConf().stream().
                      filter(ConnConfProperty::isOverridable).
                      forEachOrdered(props::add);
          }
          if (resourceTO.getConfOverride().isEmpty()) {
              resourceTO.getConfOverride().clear();
          } else {
             Map<String, ConnConfProperty> valuedProps = new HashMap<>();
             resourceTO.getConfOverride().forEach(prop -> valuedProps.put(prop.getSchema().getName(), prop));
 
             for (int i = 0; i < props.size(); i++) {
                 if (valuedProps.containsKey(props.get(i).getSchema().getName())) {
                     props.set(i, valuedProps.get(props.get(i).getSchema().getName()));
                 }
             }
         }
 
         return props;
     }
 
     public LoadableDetachableModel<List<ConnConfProperty>> getModel() {
         return model;
     }
 
     public AjaxButton getCheck() {
         return check;
     }
 }