/*
    * 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;
  
  import java.util.Comparator;
  import org.apache.syncope.common.keymaster.client.api.model.NetworkService;
  import org.apache.syncope.common.keymaster.client.api.startstop.KeymasterStart;
  import org.apache.syncope.core.persistence.api.DomainHolder;
  import org.apache.syncope.core.persistence.api.SyncopeCoreLoader;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.aop.support.AopUtils;
  import org.springframework.context.event.ContextRefreshedEvent;
  import org.springframework.core.Ordered;
  
  /**
   * Take care of all inits needed by Syncope Core to run up and safe.
   */
  public class SyncopeCoreStart extends KeymasterStart implements Ordered {
  
      private static final Logger LOG = LoggerFactory.getLogger(SyncopeCoreStart.class);
  
      private final DomainHolder domainHolder;
  
      public SyncopeCoreStart(final DomainHolder domainHolder) {
          super(NetworkService.Type.CORE);
          this.domainHolder = domainHolder;
      }
  
      @Override
      public int getOrder() {
          return 0;
      }
  
      @Override
      public void onApplicationEvent(final ContextRefreshedEvent event) {
          event.getApplicationContext().getBeansOfType(SyncopeCoreLoader.class).values().stream().
                  sorted(Comparator.comparing(SyncopeCoreLoader::getOrder)).
                  forEachOrdered(loader -> {
                      String loaderName = AopUtils.getTargetClass(loader).getName();
  
                      LOG.debug("[{}#{}] Starting init", loaderName, loader.getOrder());
  
                      loader.load();
  
                      domainHolder.getDomains().forEach((domain, datasource) -> {
                          LOG.debug("[{}] Starting init on domain '{}'", loaderName, domain);
                          loader.load(domain, datasource);
                          LOG.debug("[{}] Init completed on domain '{}'", loaderName, domain);
                      });
  
                      LOG.debug("[{}] Init completed", loaderName);
                  });
  
          super.onApplicationEvent(event);
      }
  }