using System;

namespace Questionable.Controller.Steps.Common;

internal static class WaitCondition
{
	internal sealed record Task(Func<bool> Predicate, string Description) : ITask
	{
		public override string ToString()
		{
			return Description;
		}
	}

	internal sealed class WaitConditionExecutor : TaskExecutor<Task>
	{
		private long _continueAtMs;

		protected override bool Start()
		{
			return !base.Task.Predicate();
		}

		public override ETaskResult Update()
		{
			if (_continueAtMs == 0L && base.Task.Predicate())
			{
				_continueAtMs = Environment.TickCount64 + 500;
			}
			if (_continueAtMs <= 0 || Environment.TickCount64 < _continueAtMs)
			{
				return ETaskResult.StillRunning;
			}
			return ETaskResult.TaskComplete;
		}

		public override bool ShouldInterruptOnDamage()
		{
			return false;
		}
	}
}