using System;
using BITKit;
using Timer = System.Timers.Timer;

namespace BITKit
{
    public class TimerTicker:ITicker
    {
        public TimerTicker()
        {
            _timer = new Timer();
            _timer.Elapsed += (sender, args) =>
            {
                OnTick();
                if (_timer.Enabled && _timer.AutoReset is false)
                {
                    _timer.Start();
                }
            };
        }
        public int TickRate { get; set; }
        public ulong TickCount { get; private set; }
        private readonly Timer _timer;
        private float _deltaTime;
        private event Action<float> Tick; 
        public void Add(Action action)
        {
            throw new NotImplementedException();
        }
    
        public void Add(Action<float> action)
        {
            Tick += action;
        }
    
        public void Remove(Action<float> action)
        {
            Tick -= action;
        }

        public void ManualTick(float delta)
        {
            throw new NotImplementedException();
        }

        public TimerTicker Start()
        {
            _deltaTime = 1f / TickRate;
            _timer.Interval = TimeSpan.FromSeconds(_deltaTime).TotalMilliseconds;
            _timer.Enabled = true;
            return this;
        }
        private void OnTick()
        {
            try
            {
                TickCount++;
                Tick?.Invoke(_deltaTime);
            }
            catch (Exception e)
            {
                BIT4Log.LogException(e);
            }
          
        }
        public void Stop()
        {
            _timer.Enabled = false;
        }
    }
}