using Quartz;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace IStation.Server
{
    /// <summary>
    /// 单个任务辅助类
    /// </summary>
    internal class DataDockingSingleJobHelper
    {
        private IScheduler _sched;//调度器

        /// <summary>
        /// 数据对接配置
        /// </summary>
        public Model.DataDockingProblem Problem { get; private set; }

        /// <summary>
        /// 开始任务
        /// </summary>
        public async Task StartJob(Model.DataDockingProblem problem)
        {
            Problem = problem;
            var jobName = DataDockingJobNameHelper.GetJobName(problem);
            var jobGroupName = DataDockingJobNameHelper.GetJobGroupName(problem);
            var triggerName = DataDockingJobNameHelper.GetTriggerName(problem);

            // 1.创建scheduler的引用
            var fac = new Quartz.Impl.StdSchedulerFactory();
            _sched = await fac.GetScheduler();

            //2.启动 scheduler
            await _sched.Start();

            //3.创建任务
            var job = JobBuilder.Create<DataDockingSingleJob>()
             .WithIdentity(jobName, jobGroupName)
             .Build();
            job.JobDataMap.Put(DataDockingSingleJob.ProblemTagName, problem);

            //4.创建Trigger
            var trigger = TriggerBuilder.Create()
            .WithIdentity(triggerName, jobGroupName)
            .WithSimpleSchedule(x => x.WithIntervalInSeconds(problem.Interruption)
            .RepeatForever().WithMisfireHandlingInstructionNextWithRemainingCount())
            .Build();

            //5.加入调度管理器
            await _sched.ScheduleJob(job, trigger);
        }

        /// <summary>
        /// 取消任务
        /// </summary>
        public async Task CancelJob()
        {
            if (_sched == null)
                return;
            var triggerKey = new TriggerKey(DataDockingJobNameHelper.GetTriggerName(Problem), DataDockingJobNameHelper.GetJobGroupName(Problem));
            if (await _sched.CheckExists(triggerKey))
            {
                 await _sched.UnscheduleJob(triggerKey);
            }
        }




    }
}