/*
    * 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.core.starter.actuate;
  
  import java.util.Map;
  import org.apache.syncope.core.persistence.api.dao.EntityCacheDAO;
  import org.springframework.boot.actuate.endpoint.annotation.DeleteOperation;
  import org.springframework.boot.actuate.endpoint.annotation.Endpoint;
  import org.springframework.boot.actuate.endpoint.annotation.ReadOperation;
  import org.springframework.boot.actuate.endpoint.annotation.Selector;
  import org.springframework.boot.actuate.endpoint.annotation.WriteOperation;
  import org.springframework.http.HttpStatus;
  import org.springframework.web.server.ResponseStatusException;
  
  @Endpoint(id = "entityCache")
  public class EntityCacheEndpoint {
  
      protected final EntityCacheDAO entityCacheDAO;
  
      public EntityCacheEndpoint(final EntityCacheDAO entityCacheDAO) {
          this.entityCacheDAO = entityCacheDAO;
      }
  
      @ReadOperation
      public Map<String, Object> statistics() {
          return entityCacheDAO.getStatistics();
      }
  
      @WriteOperation
      public void statistics(final @Selector String operation) {
          switch (operation) {
              case "enable":
              case "ENABLE":
                  entityCacheDAO.enableStatistics();
                  break;
  
              case "disable":
              case "DISABLE":
                  entityCacheDAO.disableStatistics();
                  break;
  
              case "reset":
              case "RESET":
                  entityCacheDAO.resetStatistics();
                  break;
  
              default:
                  throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Unsupported Operation: " + operation);
          }
      }
  
      @DeleteOperation
      public void clearCache() {
          entityCacheDAO.clearCache();
      }
  }