/*
    * 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.wa.starter.config;
  
  import java.util.Optional;
  import org.apache.commons.lang3.StringUtils;
  import org.apache.syncope.wa.bootstrap.WARestClient;
  import org.apereo.cas.support.saml.idp.metadata.generator.SamlIdPMetadataGenerator;
  import org.apereo.cas.support.saml.services.idp.metadata.SamlIdPMetadataDocument;
  import org.apereo.cas.util.AsciiArtUtils;
  import org.quartz.Job;
  import org.quartz.JobExecutionContext;
  import org.quartz.JobExecutionException;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.cloud.context.refresh.ContextRefresher;
  
  public class WARefreshContextJob implements Job {
  
      private static final Logger LOG = LoggerFactory.getLogger(WARefreshContextJob.class);
  
      @Autowired
      private WARestClient waRestClient;
  
      @Autowired
      private ContextRefresher contextRefresher;
  
      @Autowired
      private SamlIdPMetadataGenerator metadataGenerator;
  
      @Override
      public void execute(final JobExecutionContext jobExecutionContext) throws JobExecutionException {
          try {
              LOG.debug("Attempting to refresh WA application context");
              if (!waRestClient.isReady()) {
                  LOG.debug("Syncope client is not yet ready");
                  throw new IllegalStateException("Syncope core is not yet ready to access requests");
              }
              contextRefresher.refresh();
              LOG.info("Refreshed application context to bootstrap property sources, etc...");
  
              LOG.info("Generating SAML2 IdP metadata metadata");
              SamlIdPMetadataDocument document = metadataGenerator.generate(Optional.empty());
              LOG.info("Generated SAML2 IdP metadata for {}", document.getAppliesTo());
  
              advertiseReady();
          } catch (final Exception e) {
              throw new JobExecutionException("While generating SAML2 IdP metadata", e);
          }
      }
  
      private static void advertiseReady() {
          AsciiArtUtils.printAsciiArtReady(LOG, StringUtils.EMPTY);
          LOG.info("Ready to process requests");
      }
  }