/*
 * Copyright 2006 the original author or authors.
 * 
 * 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 org.wamblee.mythtv;

import java.io.File;
import java.util.Date;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.quartz.SchedulerFactory;
import org.quartz.Trigger;
import org.quartz.TriggerUtils;
import org.quartz.impl.StdSchedulerFactory;

/**
 * 
 */
public class MonitorScheduler {
    
    private static final Log LOG = LogFactory.getLog(MonitorScheduler.class);
    private static final String JOB_NAME = "vcrmonitor";
    private static final String TRIGGER_NAME = "trigger";
    
    private Scheduler _scheduler; 
    private int _intervalSeconds;

    public MonitorScheduler(int aInterval) throws SchedulerException { 
        SchedulerFactory schedulerFactory = new StdSchedulerFactory();
        _scheduler = schedulerFactory.getScheduler();
        _intervalSeconds = aInterval; 
    }
    
    public void initialize() throws SchedulerException {
        LOG.info("Starting scheduler");
        _scheduler.start();

        JobDetail jobDetail = new JobDetail(JOB_NAME, null, PollDirectoryJob.class);
        Trigger trigger = TriggerUtils.makeSecondlyTrigger(_intervalSeconds);
        //trigger.setStartTime(TriggerUtils.getEvenHourDate(new Date()));
        trigger.setStartTime(new Date());
        trigger.setName(TRIGGER_NAME);

        _scheduler.scheduleJob(jobDetail, trigger);
    }
    
    public void shutdown() throws SchedulerException {
        LOG.info("Stopping scheduler");
        _scheduler.shutdown(); 
    }
}