using System;
using UnityEngine;

namespace BitStrap
{
	[Serializable]
	public class Timer
	{
		[SerializeField]
		private float length = 1f;

		private float counter = -1f;

		private SafeAction onTimer = new SafeAction();

		public float Length
		{
			get
			{
				return length;
			}
			set
			{
				length = value;
			}
		}

		public SafeAction OnTimer
		{
			get
			{
				return onTimer;
			}
		}

		public float RemainingTime
		{
			get
			{
				return (!(counter < 0f)) ? Mathf.Clamp(Length - counter, 0f, Length) : 0f;
			}
		}

		public float Progress
		{
			get
			{
				return (!(counter < 0f)) ? Mathf.InverseLerp(0f, Length, counter) : 1f;
			}
		}

		public bool IsRunning
		{
			get
			{
				return counter >= 0f;
			}
		}

		public Timer(float length)
		{
			Length = length;
		}

		public void OnUpdate()
		{
			if (!(counter < 0f))
			{
				if (counter < Length)
				{
					counter += Time.deltaTime;
					return;
				}
				counter = -1f;
				OnTimer.Call();
			}
		}

		public void Stop()
		{
			counter = -1f;
		}

		public void Start()
		{
			counter = 0f;
		}
	}
}