/*
    * 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.pages;
  
  import java.util.List;
  import java.util.Objects;
  import java.util.stream.Collectors;
  import org.apache.syncope.client.console.BookmarkablePageLinkBuilder;
  import org.apache.syncope.client.console.events.EventCategoryPanel;
  import org.apache.syncope.client.console.events.SelectedEventsPanel;
  import org.apache.syncope.client.console.rest.AuditRestClient;
  import org.apache.syncope.common.lib.audit.EventCategory;
  import org.apache.syncope.common.lib.types.AuditLoggerName;
  import org.apache.syncope.common.lib.types.IdRepoEntitlement;
  import org.apache.wicket.event.IEvent;
  import org.apache.wicket.markup.html.WebMarkupContainer;
  import org.apache.wicket.markup.html.form.Form;
  import org.apache.wicket.model.IModel;
  import org.apache.wicket.model.LoadableDetachableModel;
  import org.apache.wicket.model.util.ListModel;
  import org.apache.wicket.request.mapper.parameter.PageParameters;
  import org.apache.wicket.spring.injection.annot.SpringBean;
  
  public class Audit extends BasePage {
  
      private static final long serialVersionUID = -1100228004207271271L;
  
      @SpringBean
      protected AuditRestClient auditRestClient;
  
      protected final IModel<List<EventCategory>> eventCategories = new LoadableDetachableModel<List<EventCategory>>() {
  
          private static final long serialVersionUID = 4659376149825914247L;
  
          @Override
          protected List<EventCategory> load() {
              return auditRestClient.listEvents();
          }
      };
  
      public Audit(final PageParameters parameters) {
          super(parameters);
  
          body.add(BookmarkablePageLinkBuilder.build("dashboard", "dashboardBr", Dashboard.class));
  
          List<String> events = auditRestClient.list().stream().
                  filter(audit -> eventCategories.getObject().stream().
                  anyMatch(c -> audit.getType() == c.getType()
                  && Objects.equals(audit.getCategory(), c.getCategory())
                  && Objects.equals(audit.getSubcategory(), c.getSubcategory()))).
                  map(audit -> AuditLoggerName.buildEvent(
                  audit.getType(),
                  audit.getCategory(),
                  audit.getSubcategory(),
                  audit.getEvent(),
                  audit.getResult())).
                  sorted().
                  collect(Collectors.toList());
  
          WebMarkupContainer content = new WebMarkupContainer("content");
          content.setOutputMarkupId(true);
  
          Form<?> form = new Form<>("auditForm");
          content.add(form);
  
          form.add(new EventCategoryPanel(
                  "auditPanel",
                  eventCategories.getObject(),
                  new ListModel<>(events)) {
  
              private static final long serialVersionUID = 6113164334533550277L;
  
              @Override
              protected List<String> getListAuthRoles() {
                  return List.of(IdRepoEntitlement.AUDIT_LIST);
              }
  
              @Override
              protected List<String> getChangeAuthRoles() {
                  return List.of(IdRepoEntitlement.AUDIT_SET);
              }
  
              @Override
             public void onEventAction(final IEvent<?> event) {
                 if (event.getPayload() instanceof SelectedEventsPanel.EventSelectionChanged) {
                     SelectedEventsPanel.EventSelectionChanged eventSelectionChanged =
                             (SelectedEventsPanel.EventSelectionChanged) event.getPayload();
 
                     eventSelectionChanged.getToBeRemoved().forEach(auditRestClient::delete);
 
                     eventSelectionChanged.getToBeAdded().forEach(auditRestClient::enable);
                 }
             }
         });
 
         body.add(content);
     }
 }