/*
    * 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.sra;
  
  import com.fasterxml.jackson.databind.json.JsonMapper;
  import com.fasterxml.jackson.jaxrs.json.JacksonJsonProvider;
  import java.util.Comparator;
  import java.util.List;
  import java.util.Map;
  import java.util.concurrent.ConcurrentHashMap;
  import java.util.stream.Collectors;
  import javax.ws.rs.NotFoundException;
  import javax.ws.rs.core.Response;
  import org.apache.cxf.jaxrs.JAXRSServerFactoryBean;
  import org.apache.cxf.jaxrs.lifecycle.SingletonResourceProvider;
  import org.apache.syncope.common.keymaster.client.api.ServiceOps;
  import org.apache.syncope.common.keymaster.client.api.model.NetworkService;
  import org.apache.syncope.common.lib.to.SRARouteTO;
  import org.apache.syncope.common.rest.api.service.SRARouteService;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.context.ApplicationListener;
  import org.springframework.context.event.ContextRefreshedEvent;
  import org.springframework.stereotype.Component;
  
  @Component
  public class SyncopeCoreTestingServer implements ApplicationListener<ContextRefreshedEvent> {
  
      private static final int PORT = 9999;
  
      public static final String ADDRESS = "http://localhost:" + PORT + "/syncope/rest";
  
      public static final Map<String, SRARouteTO> ROUTES = new ConcurrentHashMap<>();
  
      @Autowired
      private RouteRefresher routeRefresher;
  
      @Autowired
      private ServiceOps serviceOps;
  
      @Override
      public void onApplicationEvent(final ContextRefreshedEvent event) {
          if (AbstractTest.available(PORT)) {
              // 1. start (mocked) Core as embedded CXF
              JAXRSServerFactoryBean sf = new JAXRSServerFactoryBean();
              sf.setAddress(ADDRESS);
              sf.setResourceClasses(SRARouteService.class);
              sf.setResourceProvider(SRARouteService.class,
                      new SingletonResourceProvider(new StubSRARouteService(), true));
              sf.setProviders(List.of(new JacksonJsonProvider(JsonMapper.builder().findAndAddModules().build())));
              sf.create();
  
              // 2. register Core in Keymaster
              NetworkService core = new NetworkService();
              core.setType(NetworkService.Type.CORE);
              core.setAddress(ADDRESS);
              serviceOps.register(core);
          }
      }
  
      public class StubSRARouteService implements SRARouteService {
  
          @Override
          public List<SRARouteTO> list() {
              return ROUTES.values().stream().
                      sorted(Comparator.comparing(SRARouteTO::getKey)).
                      collect(Collectors.toList());
          }
  
          @Override
          public Response create(final SRARouteTO routeTO) {
              ROUTES.putIfAbsent(routeTO.getKey(), routeTO);
              return Response.noContent().build();
          }
  
          @Override
          public SRARouteTO read(final String key) {
              SRARouteTO route = ROUTES.get(key);
              if (route == null) {
                  throw new NotFoundException();
              }
              return route;
          }
  
         @Override
         public void update(final SRARouteTO routeTO) {
             read(routeTO.getKey());
             ROUTES.put(routeTO.getKey(), routeTO);
         }
 
         @Override
         public void delete(final String key) {
             ROUTES.remove(key);
         }
 
         @Override
         public void pushToSRA() {
             routeRefresher.refresh();
         }
     }
 }