using System;
using System.Collections;
using System.Collections.Generic;
using BITKit;
using BITKit.Entities;
using BITKit.Sensors;
using BITKit.Tween;
using Cysharp.Threading.Tasks;
using UnityEngine;

namespace BITFALL.Props
{
	public class Prop_Flashbang : MonoBehaviour
	{
		[SerializeField]
		private float fuse;

		[SerializeField] private float duration = 5;
		[SerializeField] private Light light;
		[SerializeReference,SubclassSelector] private ISensor _sensor;

		private async void Start()
		{
			await UniTask.Delay(TimeSpan.FromSeconds(fuse));
			if (destroyCancellationToken.IsCancellationRequested) return;
			await _sensor.Execute(0);
			if (destroyCancellationToken.IsCancellationRequested) return;
			foreach (var x in _sensor.Get())
			{
				if (x.TryGetComponent<IEntity>(out var entity) is false) continue;
				if (entity.TryGetComponent<IStunObject>(out var stunObject) is false) continue;
				var distance = Vector3.Distance(transform.position, x.transform.position);
				stunObject.Stun(distance, duration);
				BIT4Log.Log<Prop_Flashbang>($"目标：{x.name} 距离：{distance} 眩晕时间：{duration}");
			}

			light.enabled = true;
			var currentIntensity = light.intensity;
			await BITween.CreateSequence()
				.Append(
					BITween.MoveToForward(Set, currentIntensity, 0, 0.2f)
				)
				//.Append(UniTask.Create(Dispose))
				.Play();
			if(destroyCancellationToken.IsCancellationRequested) return;
			Destroy(gameObject);
		}
		private UniTask Dispose()
		{
			if (destroyCancellationToken.IsCancellationRequested) return UniTask.CompletedTask;
			Destroy(gameObject);
			return UniTask.CompletedTask;;
		}
		private void Set(float weight)
		{
			if (light)
				light.intensity = weight;
		}
	}

}