/*
 * Copyright 2012  Research Studios Austria Forschungsges.m.b.H.
 *
 *    Licensed 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 won.bot.framework.eventbot.action;

import org.javasimon.SimonManager;
import org.javasimon.Split;
import org.javasimon.Stopwatch;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import won.bot.framework.eventbot.EventListenerContext;
import won.bot.framework.eventbot.event.Event;
import won.bot.framework.eventbot.event.impl.lifecycle.ErrorEvent;
import won.bot.framework.eventbot.listener.EventListener;

/**
 *
 */
public abstract class BaseEventBotAction implements won.bot.framework.eventbot.action.EventBotAction
{
  protected final Logger logger = LoggerFactory.getLogger(getClass());
  private EventListenerContext eventListenerContext;
  private static final String EXCEPTION_TAG = "failed";
  private final String stopwatchName = getClass().getName();

  protected BaseEventBotAction(final EventListenerContext eventListenerContext)
  {
    this.eventListenerContext = eventListenerContext;
  }

  @Override
  public Runnable getActionTask(final Event event, final EventListener eventListener) {
    return new Runnable(){
      public void run()
      {
        Stopwatch stopwatch = SimonManager.getStopwatch(stopwatchName);
        Split split = stopwatch.start();
        try {
          doRun(event, eventListener);
          split.stop();
        } catch (Exception e) {
          eventListenerContext.getEventBus().publish(new ErrorEvent(e));
          split.stop(EXCEPTION_TAG);
        } catch (Throwable t) {
          logger.warn("could not run action {}", stopwatchName, t);
          split.stop(EXCEPTION_TAG);
          throw t;
        }
      }
    };
  }



  protected EventListenerContext getEventListenerContext()
  {
    return eventListenerContext;
  }

  protected abstract void doRun(Event event, EventListener executingListener) throws Exception;


}