using System;
using System.Diagnostics;

namespace Sony.Filtr.Tasks.EventSource
{
    internal class DisposableDuration : IDisposable
    {
        public readonly Stopwatch sw;
        private readonly Action<double> StopAction;

        public DisposableDuration(Action startAction, Action<double> stopAction)
        {
            sw = new Stopwatch();
            sw.Start();

            this.StopAction = stopAction;

            startAction();
        }

        #region IDisposable Support
        private bool disposedValue = false;

        protected virtual void Dispose(bool disposing)
        {
            if (!disposedValue)
            {
                if (disposing)
                {
                    sw.Stop();
                    this.StopAction(sw.Elapsed.TotalMilliseconds);
                }

                disposedValue = true;
            }
        }

        public void Dispose()
        {
            Dispose(true);
        }
        #endregion
    }
}