/*
    * 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.rest;
  
  import java.util.Comparator;
  import java.util.List;
  import java.util.stream.Collectors;
  import org.apache.syncope.common.lib.policy.PolicyTO;
  import org.apache.syncope.common.lib.types.PolicyType;
  import org.apache.syncope.common.rest.api.service.PolicyService;
  
  /**
   * Console client for invoking Rest Policy services.
   */
  public class PolicyRestClient extends BaseRestClient {
  
      private static final long serialVersionUID = -1392090291817187902L;
  
      protected static final Comparator<PolicyTO> COMPARATOR = Comparator.comparing(PolicyTO::getName);
  
      public <T extends PolicyTO> T read(final PolicyType type, final String key) {
          T policy = null;
          try {
              policy = getService(PolicyService.class).read(type, key);
          } catch (Exception e) {
              LOG.warn("No policy found for type {} and key {}", type, key, e);
          }
          return policy;
      }
  
      @SuppressWarnings("unchecked")
      public <T extends PolicyTO> List<T> list(final PolicyType type) {
          try {
              return getService(PolicyService.class).<T>list(type).stream().
                      sorted(COMPARATOR).
                      collect(Collectors.toList());
          } catch (Exception ignore) {
              LOG.debug("No policy found", ignore);
              return List.of();
          }
      }
  
      public <T extends PolicyTO> void create(final PolicyType type, final T policy) {
          getService(PolicyService.class).create(type, policy);
      }
  
      public <T extends PolicyTO> void update(final PolicyType type, final T policy) {
          getService(PolicyService.class).update(type, policy);
      }
  
      public void delete(final PolicyType type, final String key) {
          getService(PolicyService.class).delete(type, key);
      }
  }