using System;
using Aitex.Core.RT.Event;
using Aitex.Core.Util;
using Aitex.Core.RT.Log;


namespace Aitex.Triton160.UI
{
    public class UiEvent
    {
        public event Action<EventItem> OnEvent;

        FixSizeQueue<EventItem> _queue = new FixSizeQueue<EventItem>(300);
        PeriodicJob _fireJob;

        public UiEvent()
        {


        }

        public void Start()
        {
            if (_fireJob != null)
                return;

            _fireJob = new PeriodicJob(1000, this.FireEvent, "UIEvent", true);
        }

        public void Stop()
        {
            _fireJob.Stop();
        }

        bool FireEvent()
        {
            if (OnEvent != null)
            {
                EventItem ev;
                while (_queue.TryDequeue(out ev))
                {
                    OnEvent(ev);
                }
            }

            return true;
        }

        public void Event(EventItem ev)
        {
            LOG.Info(ev.Description);

            _queue.Enqueue(ev);
        }

        public void Event(string message, EventLevel level=EventLevel.Information)
        {
            LOG.Info(message);

            _queue.Enqueue(new EventItem()
                {
                     OccuringTime = DateTime.Now,
                      Description = message,
                       Id = 0,
                        Level = level,
                         Type = EventType.EventUI_Notify,
                });
        }
    }
}