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

namespace VideoEnc
{
    public class VideoEventArgs : EventArgs
    {
        public Video Video { get; set; }
    }

    public class VideoEncoder
    {
        // 1- Define a delegate
        // 2- Define an Event
        // 3 Raise the event

        //EventHandler
        //EventHandler<TEventArgs>

        public event EventHandler<VideoEventArgs> VideoEncoded;

        public void Encode(Video video)
        {
            Console.WriteLine("Encoding video...");
            Thread.Sleep(3000);

            OnVideoEncoded(video);
        }

        protected virtual void OnVideoEncoded(Video video)
        {
            if (VideoEncoded != null)
                VideoEncoded(this, new VideoEventArgs() { Video =video });
        }
    }
}