using System;
using System.Collections;
using System.Collections.Generic;
using System.Threading.Tasks;
using BITKit;
using BITKit.Entities;
using UnityEngine;

namespace BITFALL.GameMode
{
	public class PlayerAutoSpawnController : MonoBehaviour
	{
		[SerializeReference, SubclassSelector] private IEntitiesService entitiesService;
		private void Start()
		{
			entitiesService.OnAdd += OnEntityAdded;
			destroyCancellationToken.Register(() =>
			{
				entitiesService.OnAdd -= OnEntityAdded;
			});
		}

		private void OnEntityAdded(IEntity obj)
		{
			if (obj.TryGetComponent<IHealth>(out var heal) is false) return;
			var token = destroyCancellationToken;
			if (obj is MonoBehaviour behaviour)
			{
				token = behaviour.destroyCancellationToken;
			}

			heal.OnSetAlive += async alive =>
			{
				if (alive) return;
				var time = Data.Get<int>(BITConstant.Environment.mp_respawn_on_death);
				switch (time)
				{
					case 0:
						heal.HealthPoint = heal.MaxHealthPoint;
						return;
					case -1:
						return;
					default:
						try
						{
							await Task.Delay(TimeSpan.FromSeconds(time), token);
						}
						catch (OperationCanceledException)
						{
							return;
						}

						heal.HealthPoint = heal.MaxHealthPoint;
						break;
				}
			};
		}
	}
}