using Sony.Filtr.Tasks.Tasks;
using System;
using System.Threading;
using System.Threading.Tasks;

namespace Sony.Filtr.Tasks.Helpers
{
    public static class TaskHelper
    {
        public static Task CreateLongRunningThread(CancellationToken cancellationToken, Action action, TimeSpan iterationDelay)
        {
            return Task.Factory.StartNew(async () =>
            {
                while (true)
                {
                    if (cancellationToken.IsCancellationRequested) { break; }

                    action();

                    await Task.Delay(iterationDelay);
                }
            }, TaskCreationOptions.LongRunning);
        }

        public static Task CreateLongRunningLoggingThread(CancellationToken cancellationToken, Func<string> messageGenerator, ActionTracker actionTracker, TimeSpan iterationDelay)
        {
            return CreateLongRunningThread(
                cancellationToken,
                () => {
                    actionTracker.AddTrace(messageGenerator());
                },
                iterationDelay);
        }
    }
}