using UnityEngine;

namespace BehaviorDesigner.Runtime.Tasks
{
	[HelpURL("http://www.opsive.com/assets/BehaviorDesigner/documentation.php?id=22")]
	[TaskDescription("Wait a specified amount of time. The task will return running until the task is done waiting. It will return success after the wait time has elapsed.")]
	[TaskIcon("{SkinColor}WaitIcon.png")]
	public class Wait : Action
	{
		[Tooltip("The amount of time to wait")]
		public SharedFloat waitTime = 1f;

		[Tooltip("Should the wait be randomized?")]
		public SharedBool randomWait = false;

		[Tooltip("The minimum wait time if random wait is enabled")]
		public SharedFloat randomWaitMin = 1f;

		[Tooltip("The maximum wait time if random wait is enabled")]
		public SharedFloat randomWaitMax = 1f;

		private float waitDuration;

		private float startTime;

		private float pauseTime;

		public override void OnStart()
		{
			startTime = Time.time;
			if (randomWait.Value)
			{
				waitDuration = Random.Range(randomWaitMin.Value, randomWaitMax.Value);
			}
			else
			{
				waitDuration = waitTime.Value;
			}
		}

		public override TaskStatus OnUpdate()
		{
			if (startTime + waitDuration < Time.time)
			{
				return TaskStatus.Success;
			}
			return TaskStatus.Running;
		}

		public override void OnPause(bool paused)
		{
			if (paused)
			{
				pauseTime = Time.time;
			}
			else
			{
				startTime += Time.time - pauseTime;
			}
		}

		public override void OnReset()
		{
			waitTime = 1f;
			randomWait = false;
			randomWaitMin = 1f;
			randomWaitMax = 1f;
		}
	}
}