/*
    * 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.widgets;
  
  import de.agilecoders.wicket.core.markup.html.bootstrap.image.Icon;
  import de.agilecoders.wicket.extensions.markup.html.bootstrap.icon.FontAwesome5IconType;
  import java.time.Duration;
  import java.time.temporal.ChronoUnit;
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  import org.apache.syncope.client.console.BookmarkablePageLinkBuilder;
  import org.apache.syncope.client.console.SyncopeConsoleSession;
  import org.apache.syncope.client.console.pages.UserRequests;
  import org.apache.syncope.client.console.rest.UserRequestRestClient;
  import org.apache.syncope.client.console.wicket.ajax.IndicatorAjaxTimerBehavior;
  import org.apache.syncope.client.ui.commons.annotations.ExtWidget;
  import org.apache.syncope.common.lib.to.UserRequestForm;
  import org.apache.syncope.common.lib.types.FlowableEntitlement;
  import org.apache.wicket.PageReference;
  import org.apache.wicket.ajax.AjaxRequestTarget;
  import org.apache.wicket.authroles.authorization.strategies.role.metadata.MetaDataRoleAuthorizationStrategy;
  import org.apache.wicket.extensions.markup.html.repeater.util.SortParam;
  import org.apache.wicket.markup.html.WebPage;
  import org.apache.wicket.markup.html.link.AbstractLink;
  import org.apache.wicket.markup.html.link.BookmarkablePageLink;
  import org.apache.wicket.model.IModel;
  import org.apache.wicket.model.util.ListModel;
  import org.apache.wicket.spring.injection.annot.SpringBean;
  
  @ExtWidget(priority = 10)
  public class UserRequestFormsWidget extends ExtAlertWidget<UserRequestForm> {
  
      private static final long serialVersionUID = 7667120094526529934L;
  
      @SpringBean
      protected UserRequestRestClient userRequestRestClient;
  
      protected final List<UserRequestForm> lastForms = new ArrayList<>();
  
      public UserRequestFormsWidget(final String id, final PageReference pageRef) {
          super(id, pageRef);
          setOutputMarkupId(true);
  
          latestAlertsList.add(new IndicatorAjaxTimerBehavior(Duration.of(30, ChronoUnit.SECONDS)) {
  
              private static final long serialVersionUID = 7298597675929755960L;
  
              @Override
              protected void onTimer(final AjaxRequestTarget target) {
                  if (!latestAlerts.getObject().equals(lastForms)) {
                      refreshLatestAlerts(target);
                  }
              }
          });
      }
  
      public final void refreshLatestAlerts(final AjaxRequestTarget target) {
          latestAlerts.getObject().clear();
          latestAlerts.getObject().addAll(lastForms);
  
          int latestAlertSize = getLatestAlertsSize();
          linkAlertsNumber.setDefaultModelObject(latestAlertSize);
          target.add(linkAlertsNumber);
  
          headerAlertsNumber.setDefaultModelObject(latestAlertSize);
          target.add(headerAlertsNumber);
  
          target.add(latestAlertsList);
  
          lastForms.clear();
          lastForms.addAll(latestAlerts.getObject());
      }
  
      @Override
      protected int getLatestAlertsSize() {
          return SyncopeConsoleSession.get().owns(FlowableEntitlement.USER_REQUEST_FORM_LIST)
                  ? userRequestRestClient.countForms(null)
                  : 0;
      }
  
      @Override
      protected IModel<List<UserRequestForm>> getLatestAlerts() {
         return new ListModel<>() {
 
             private static final long serialVersionUID = -2583290457773357445L;
 
             @Override
             public List<UserRequestForm> getObject() {
                 List<UserRequestForm> updatedForms;
                 if (SyncopeConsoleSession.get().owns(FlowableEntitlement.USER_REQUEST_FORM_LIST)) {
                     updatedForms = userRequestRestClient.listForms(
                             null, 1, MAX_SIZE, new SortParam<>("createTime", true));
                 } else {
                     updatedForms = Collections.emptyList();
                 }
 
                 return updatedForms;
             }
         };
     }
 
     @Override
     protected AbstractLink getEventsLink(final String linkid) {
         BookmarkablePageLink<UserRequests> userRequests = BookmarkablePageLinkBuilder.build(linkid, UserRequests.class);
         MetaDataRoleAuthorizationStrategy.authorize(
                 userRequests, WebPage.ENABLE, FlowableEntitlement.USER_REQUEST_FORM_LIST);
         return userRequests;
     }
 
     @Override
     protected Icon getIcon(final String iconid) {
         return new Icon(iconid, FontAwesome5IconType.handshake_r);
     }
 }