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 DateTime _continueAt = DateTime.MaxValue;

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

		public override ETaskResult Update()
		{
			if (_continueAt == DateTime.MaxValue && base.Task.Predicate())
			{
				_continueAt = DateTime.Now.AddSeconds(0.5);
			}
			if (!(DateTime.Now >= _continueAt))
			{
				return ETaskResult.StillRunning;
			}
			return ETaskResult.TaskComplete;
		}

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