using System;
using System.Collections;
using System.Collections.Generic;
using BITFALL.AI.States;
using BITFALL.Entities.Equipment;
using BITKit;
using BITKit.AI.States;
using BITKit.Entities;
using BITKit.Sensors;
using UnityEngine;
using UnityEngine.AI;
using UnityEngine.PlayerLoop;

namespace BITFALL.AI
{
	/// <summary>
	/// AI服务
	/// </summary>
	[CustomType(typeof(AIService))]
	public class AIService : StateBasedBehavior<AI_Base>
	{
		[SerializeReference,SubclassSelector] private ITicker ticker;
		[SerializeField] private NavMeshAgent agent;
		[SerializeField] private RangeSensor rangeSensor;
		[SerializeField] private AudioSensor audioSensor;
		[SerializeField] private Tag selfTag;
		[SerializeField] private Tag friendTag;
		[SerializeField] private Tag enemyTag;
		
		public IEntity CombatTarget { get; set; }
		
		public RangeSensor RangeSensor => rangeSensor;
		public AudioSensor AudioSensor => audioSensor;
		public NavMeshAgent Agent => agent;
		public ITag SelfTag => selfTag;
		public ITag FriendTag => friendTag;
		public ITag EnemyTag => enemyTag;
		public IHealth Health => _health;
		[Inject] private IHealth _health;
		private event Action<float> tick; 
		public void RegisterTick(Action<float> action)
		{
			tick += action;
		}
		public void UnRegisterTick(Action<float> action)
		{
			tick -= action;
		}
		public override void OnStart()
		{
			base.OnStart();
			ticker.Add(OnTick);
			TransitionState<States.Idle>();
			
			Health.OnSetAlive += OnSetAlive;
		}
		private void OnSetAlive(bool obj)
		{
			RangeSensor.enabled = obj;
			audioSensor.enabled = obj;
		}
		private void OnTick(float obj)
		{
			if (Health.IsAlive is false) return;
			UpdateState(obj);
			tick?.Invoke(obj);
		}
		public override void OnDestroyComponent()
		{
			base.OnDestroyComponent();
			ticker.Remove(OnTick);
		}
	}
}