using Quartz;
using Quartz.Impl;
using System;
using System.Collections.Specialized;
using System.Threading.Tasks;
using System.Windows.Forms;

/**
 *  https://www.quartz-scheduler.net/
 */
namespace SampleQuartznet
{
    public partial class Main : Form
    {
        public Main()
        {
            InitializeComponent();
        }

        private void Main_Load(object sender, EventArgs e)
        {
            ScheduleMessageAsync();
        }

        private static async Task ScheduleMessageAsync()
        {
            // construct a scheduler factory
            NameValueCollection props = new NameValueCollection
            {
                { "quartz.serializer.type", "binary" }
            };
            StdSchedulerFactory factory = new StdSchedulerFactory(props);

            // get a scheduler
            IScheduler sched = await factory.GetScheduler();
            await sched.Start();

            // define the job and tie it to our HelloJob class
            IJobDetail job = JobBuilder.Create<HelloJob>()
                .WithIdentity("myJob", "group1")
                .Build();

            // Trigger the job to run now, and then every 40 seconds
            ITrigger trigger = TriggerBuilder.Create()
                .WithIdentity("myTrigger", "group1")
                .StartNow()
                //.StartAt(DateBuilder.DateOf(0, 0, 0, 3, 12, 2020))
                //.EndAt(DateBuilder.DateOf(0, 0, 0, 3, 3, 2021))
                //.WithCronSchedule("0 0 0 1/5 * ? *")
                .WithSimpleSchedule(x => x
                    .WithIntervalInSeconds(40)
                    .RepeatForever())
                //.WithSchedule(CronScheduleBuilder.DailyAtHourAndMinute(9, 30)) // execute job daily at 9:30
                //.WithPriority(1)
            .Build();

            await sched.ScheduleJob(job, trigger);
        }

        public class HelloJob : IJob
        {
            public async Task Execute(IJobExecutionContext context)
            {
                await Console.Out.WriteLineAsync("HelloJob is executing...");
            }
        }
    }
}