/*
    * 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.persistence.jpa.dao;
  
  import java.util.List;
  import javax.persistence.NoResultException;
  import javax.persistence.TypedQuery;
  import org.apache.syncope.core.persistence.api.dao.CASSPClientAppDAO;
  import org.apache.syncope.core.persistence.api.entity.Realm;
  import org.apache.syncope.core.persistence.api.entity.am.CASSPClientApp;
  import org.apache.syncope.core.persistence.api.entity.policy.Policy;
  import org.apache.syncope.core.persistence.jpa.entity.am.JPACASSPClientApp;
  import org.springframework.transaction.annotation.Transactional;
  
  public class JPACASSPClientAppDAO extends AbstractClientAppDAO<CASSPClientApp> implements CASSPClientAppDAO {
  
      @Override
      public CASSPClientApp find(final String key) {
          return entityManager().find(JPACASSPClientApp.class, key);
      }
  
      private CASSPClientApp find(final String column, final Object value) {
          TypedQuery<CASSPClientApp> query = entityManager().createQuery(
                  "SELECT e FROM " + JPACASSPClientApp.class.getSimpleName() + " e WHERE e." + column + "=:value",
                  CASSPClientApp.class);
          query.setParameter("value", value);
  
          CASSPClientApp result = null;
          try {
              result = query.getSingleResult();
          } catch (final NoResultException e) {
              LOG.debug("No OIDCRP found with " + column + " {}", value, e);
          }
  
          return result;
      }
  
      @Override
      public CASSPClientApp findByClientAppId(final Long clientAppId) {
          return find("clientAppId", clientAppId);
      }
  
      @Override
      public CASSPClientApp findByName(final String name) {
          return find("name", name);
      }
  
      @Override
      public List<CASSPClientApp> findByPolicy(final Policy policy) {
          return findByPolicy(policy, CASSPClientApp.class, JPACASSPClientApp.class);
      }
  
      @Override
      public List<CASSPClientApp> findByRealm(final Realm realm) {
          return findByRealm(realm, CASSPClientApp.class, JPACASSPClientApp.class);
      }
  
      @Transactional(readOnly = true)
      @Override
      public List<CASSPClientApp> findAll() {
          TypedQuery<CASSPClientApp> query = entityManager().createQuery(
                  "SELECT e FROM " + JPACASSPClientApp.class.getSimpleName() + " e", CASSPClientApp.class);
  
          return query.getResultList();
      }
  
      @Override
      public CASSPClientApp save(final CASSPClientApp clientApp) {
          return entityManager().merge(clientApp);
      }
  
      @Override
      public void delete(final String key) {
          CASSPClientApp rpTO = find(key);
          if (rpTO == null) {
              return;
          }
  
          delete(rpTO);
      }
  
      @Override
      public void delete(final CASSPClientApp clientApp) {
         entityManager().remove(clientApp);
     }
 }