/*
 * Copyright (C) 2005-2010 Alfresco Software Limited.
 *
 * This file is part of Alfresco
 *
 * Alfresco is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Alfresco 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
 */
package org.alfresco.repo.jscript;

import org.alfresco.model.ContentModel;
import org.alfresco.service.ServiceRegistry;
import org.springframework.extensions.surf.util.ParameterCheck;

/**
 * Scripted Presence service for determining online status of People.
 * 
 * @author Mike Hatfield
 */

public final class Presence extends BaseScopableProcessorExtension
{
   /** Repository Service Registry */
   private ServiceRegistry services;

   /**
    * Set the service registry
    * 
    * @param serviceRegistry  the service registry
    */
   public void setServiceRegistry(ServiceRegistry serviceRegistry)
   {
      this.services = serviceRegistry;
   }

   /**
    * Gets whether the Person has configured Presence parameters
    * 
    * @param person       the person to query
    * 
    * @return true if this person is configured for presence
    */
   public boolean hasPresence(ScriptNode person)
   {
       ParameterCheck.mandatory("Person", person);
       String presenceProvider = (String)person.getProperties().get(ContentModel.PROP_PRESENCEPROVIDER);
       String presenceUsername = (String)person.getProperties().get(ContentModel.PROP_PRESENCEUSERNAME);

       return (!"".equals((presenceProvider)) && (!"".equals(presenceUsername)));
   }

   /**
    * Query current online status of given person
    * 
    * @param person       the person to query
    * 
    * @return string indicating online presence status
    */
   public String getDetails(ScriptNode person)
   {
      ParameterCheck.mandatory("Person", person);
      String presenceProvider = (String)person.getProperties().get(ContentModel.PROP_PRESENCEPROVIDER);
      String presenceUsername = (String)person.getProperties().get(ContentModel.PROP_PRESENCEUSERNAME);
      String detail = presenceProvider + "|" + presenceUsername;

      return detail;
   }

}