/*
    * The coLAB project
    * Copyright (C) 2021-2023 AlbaSim, MEI, HEIG-VD, HES-SO
    *
    * Licensed under the MIT License
    */
   package ch.colabproject.colab.api.controller.monitoring;
   
   import ch.colabproject.colab.api.model.monitoring.CronJobLog;
  import ch.colabproject.colab.api.model.monitoring.CronJobLogName;
  import ch.colabproject.colab.api.persistence.jpa.monitoring.CronJobLogDao;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import javax.ejb.LocalBean;
  import javax.ejb.Stateless;
  import javax.ejb.TransactionAttribute;
  import javax.ejb.TransactionAttributeType;
  import javax.inject.Inject;
  import java.time.OffsetDateTime;
  
  /**
   * Logic to manage cron job logging
   *
   * @author mikkelvestergaard
   */
  @Stateless
  @LocalBean
  public class CronJobLogManager {
  
      /**
       * logger
       */
      private static final Logger logger = LoggerFactory.getLogger(CronJobLogManager.class);
  
      /**
       * CronJobLog persistence
       */
      @Inject
      private CronJobLogDao cronJobLogDao;
  
      /**
       * Create a new cronJobLog with given cronJobLogName
       *
       * @param jobLogName name of the cronJobLog to create
       *
       * @return created cronJobLog
       */
      private CronJobLog createCronJobLog(CronJobLogName jobLogName) {
          CronJobLog cronJobLog = new CronJobLog();
          cronJobLog.setJobName(jobLogName);
          cronJobLogDao.persistCronJobLog(cronJobLog);
  
          return cronJobLog;
      }
  
      /**
       * Update a cronJobLog's lastRunTime
       *
       * @param jobName name of cronJob to update
       */
      @TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
      public void updateCronJobLogLastRunTime(CronJobLogName jobName) {
          logger.debug("Update cronJobLog lastRunTime {}", jobName);
  
          CronJobLog cronJobLog = cronJobLogDao.findCronJobLogByName(jobName);
  
          if (cronJobLog == null) {
              cronJobLog = createCronJobLog(jobName);
          }
  
          OffsetDateTime now = OffsetDateTime.now();
          cronJobLog.setLastRunTime(now);
  
      }
  }