using System;
using System.Collections;
using System.Collections.Generic;
using DG.Tweening;
using DragonLi.Core;
using UnityEngine;

public class OctopusBoss : Enemy
{
   public Tentacle[] tentacles;
   [NonSerialized]
   public Transform[] teleportPoints;
   
   public Transform sprayRoot;     // 喷射旋转节点（嘴巴）
   public GameObject sprayEx;      // 喷射特效（带 Trigger）
   public Transform hand;
   public Animator handAnimator;
   public float sprayDuration = 5f;
   public float sprayAngle = 40f;
   public GameObject clipQuadObj;

   public GameObject[] bossCrystals;
   
   private float rotateSpeed = 180f; // 越大转得越快（插值系数）

   private void Start()
   {
      foreach (var item in tentacles)
      {
         item.SetData(Data);
      }
      sprayEx.SetActive(false);
      teleportPoints = GameInit.Ins.allBossPos;
      bloodSlider.gameObject.SetActive(false);
      transform.LookAt(GameManager.Ins.player.transform.position.ReflectVectorXOZ());
      foreach (var item in bossCrystals)
      {
         item.SetActive(false);
      }
   }

   public override void Update()
   {
      base.Update();
      if (enemyState != EnemyState.Show && enemyState != EnemyState.Dead)
      {
         skill1Timer += Time.deltaTime;
         skill2Timer += Time.deltaTime;
         teleportTimer += Time.deltaTime;
         
         Transform player = GameManager.Ins.player.transform;
         if (!player) return;

         Vector3 dir = player.position - hand.position;
         dir.y = 0;

         if (dir.sqrMagnitude < 0.0001f)
            return;

         Quaternion targetRot = Quaternion.LookRotation(dir);

         hand.transform.rotation = Quaternion.RotateTowards(
            hand.transform.rotation,
            targetRot,
            rotateSpeed * Time.deltaTime
         );
      }
   }

   public List<Tentacle> GetAliveTentacles()
   {
      List<Tentacle> list = new();
      foreach (var t in tentacles)
         if (t != null && !t.isDead)
            list.Add(t);
      return list;
   }

   public void ResetSkill1() => skill1Timer = 0;
   public void ResetSkill2() => skill2Timer = 0;
   public void ResetTeleport() => teleportTimer = 0;

   public override void Show()
   {
      base.Show();
      GameInit.Ins.self.SetAiPath(false);
      GameManager.Ins.CreateEnemySkillTip(transform.position.ReflectVectorXOZ(),3.5f);
      transform.position = new Vector3(transform.position.x, -8, transform.position.z);
      transform.DOMoveY(0f, 4f).OnComplete(() =>
      {
         isShowEnd = true;
      });
   }

   public override void EndShow()
   {
      base.EndShow();
      enemyState = EnemyState.Idle;
      foreach (var item in tentacles)
      {
         item.EndShow();
      }
      foreach (var item in bossCrystals)
      {
         item.SetActive(true);
      }
      bloodSlider.gameObject.SetActive(true);
   }

   public override void Hit()
   {
      if(enemyState!= EnemyState.Idle)
         return;
      base.Hit();
      handAnimator.SetTrigger("hit");
   }

   public override void ChangeHp(float value, object info, Transform _sender)
   {
      if(enemyState== EnemyState.Show)
         return;
      base.ChangeHp(value, info, _sender);
   }

   public override void Dead()
   {
      if (isDead)
      {
         return;
      }
      GameManager.Ins.curLevel++;
      health = 0;
      isDead = true;
      if (bloodSlider != null)
         bloodSlider.gameObject.SetActive(false); 
      if(ColliderComponent!=null)
         ColliderComponent.enabled = false;
      if(behaviourTree != null) 
         behaviourTree.enabled = false;
      GameManager.Ins.PlaySound3D("1.46",transform,true);
      foreach (var item in GetAliveTentacles())
      {
         item.Dead();
      }
      foreach (var item in bossCrystals)
      {
         if(item==null)
            continue;
         item.SetActive(false);
      }
      StartCoroutine(DeathDissolve());
   }
   
   IEnumerator DeathDissolve()
   {
      // 1️⃣ 停止行为
      behaviourTree.enabled = false;
      ColliderComponent.enabled = false;

      clipQuadObj.SetActive(true);
      bloodSlider.gameObject.SetActive(false);
      clipQuadObj.transform.localPosition = new Vector3(0, 5f, 0);

      clipQuadObj.transform.DOLocalMoveY(-5f, 5);
      yield return new WaitForSeconds(8f);
      GameManager.Ins.CreateBoss(transform.position.ReflectVectorXOZ());
      Destroy(gameObject);
   }
}