/**
 * Copyright (C) 2003-2007 eXo Platform SAS.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see<http://www.gnu.org/licenses/>.
 **/
package org.exoplatform.forum.service.conf;

import java.util.Calendar;
import java.util.GregorianCalendar;

import javax.jcr.RepositoryException;

import org.exoplatform.commons.utils.ISO8601;
import org.exoplatform.container.ExoContainer;
import org.exoplatform.container.ExoContainerContext;
import org.exoplatform.forum.service.ForumService;
import org.exoplatform.forum.service.Utils;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import org.quartz.Job;
import org.quartz.JobDataMap;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;

public class RecountActiveUserJob implements Job {
  private static Log log_ = ExoLogger.getLogger("job.forum.RecountActiveUserJob");

  public RecountActiveUserJob() throws Exception {
  }

  public void execute(JobExecutionContext context) throws JobExecutionException {
    ExoContainer oldContainer = ExoContainerContext.getCurrentContainer();
    try {
      ExoContainer exoContainer = org.exoplatform.ks.common.Utils.getExoContainer(context);
      ForumService forumService = (ForumService) exoContainer.getComponentInstanceOfType(ForumService.class);
      ExoContainerContext.setCurrentContainer(exoContainer);
      if (forumService != null) {
        JobDataMap jdatamap = context.getJobDetail().getJobDataMap();
        String lastPost = jdatamap.getString("lastPost");
        if (lastPost != null && lastPost.length() > 0) {
          int days = Integer.parseInt(lastPost);
          if (days > 0) {
            long oneDay = 86400000; // milliseconds of one day
            Calendar calendar = GregorianCalendar.getInstance();
            long currentDay = calendar.getTimeInMillis();
            currentDay = currentDay - (days * oneDay);
            calendar.setTimeInMillis(currentDay);
            StringBuilder stringBuilder = new StringBuilder();
            stringBuilder.append("//element(*,").append(Utils.USER_PROFILES_TYPE).append(")[").append("@exo:lastPostDate >= xs:dateTime('").append(ISO8601.format(calendar)).append("')]");
            forumService.evaluateActiveUsers(stringBuilder.toString());
            if (log_.isDebugEnabled()) {
              log_.debug("\n\n The RecoundActiveUserJob have been done");
            }
          }
        }
      }
    } catch (NumberFormatException nfe) {
      log_.debug("Value of days is not Integer number.",nfe);
    } catch (RepositoryException e) {
      if (log_.isDebugEnabled()) {
        log_.debug("\n\n Job run so quick " + e.getMessage());
      }
    } catch (Exception e) {
      if (log_.isDebugEnabled()) {
        log_.debug("\n\n The have exception " + e.getMessage());
      }
    } finally {
      ExoContainerContext.setCurrentContainer(oldContainer);
    }
  }
}