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

public class FrogBoss : Enemy
{
    [Header("Base")]
    public GameObject clipQuadObj;
    public Animator bossAnim;
    
    [Header("Skill Prefabs")]
    public Transform mouthPoint;
    
    public GameObject poisonBallPrefab;
    public GameObject eggPrefab;
    public Transform eggFirePoint;


    public EnemyBoneHit mouthBoneHit;

    public List<FrogBugEnemy> frogBugs = new List<FrogBugEnemy>();
    
    
    public GameObject[] bossCrystals;
    
    private float rotateSpeed = 180f; // 越大转得越快（插值系数）

    public List<FrogBugEnemy> GetAliveTentacles()
    {
        List<FrogBugEnemy> list = new();
        foreach (var t in frogBugs)
            if (t != null && !t.isDead)
                list.Add(t);
        return list;
    }
    private void Start()
    {
        clipQuadObj.transform.localPosition = new Vector3(0, -5f, 0);
        mouthBoneHit.SetDamage(Data.Atk_1P);
        bloodSlider.gameObject.SetActive(false);
        foreach (var item in bossCrystals)
        {
            item.SetActive(false);
        }
        transform.LookAt(GameManager.Ins.player.transform.position.ReflectVectorXOZ());
    }

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

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

            if (dir.sqrMagnitude < 0.0001f)
                return;

            Quaternion targetRot = Quaternion.LookRotation(dir);

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

    #region Show

    public override void Show()
    {
        base.Show();
        clipQuadObj.transform.DOLocalMoveY(10, 5).OnComplete(() =>
        {
            isShowEnd = true;
            Roar();
        });
    }

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

    #endregion

    #region Skill Reset

    public bool HasAnySkillReady()
    {
        return skill1Timer >= skill1Cooldown ||
               skill2Timer >= skill2Cooldown ||
               IsUserSkill3();
    }

    public bool IsUserSkill3()
    {
        float hpPercent =health / maxHealth;
        int index = Mathf.FloorToInt(hpPercent / 0.2f);

        if (index < spikeTriggerIndex)
        {
            spikeTriggerIndex = index;
            return true;
        }

        return false;
    }
    public void ResetSkill1() => skill1Timer = 0;
    public void ResetSkill2() => skill2Timer = 0;

    #endregion

    #region Animation Wrappers

    public void Roar()
    {
        bossAnim.SetInteger("State", 0);
        GameManager.Ins.PlaySound3D("1.2", transform);
    }

    public void Run()
    {
        bossAnim.SetInteger("State", 2);
        GameManager.Ins.PlaySound3D("1.19", transform);
    }

    /// <summary>
    /// 后撤
    /// </summary>
    public void Retreat()
    {
        bossAnim.SetInteger("State", 6);
        GameManager.Ins.PlaySound3D("1.19", transform);
    }

    public void Idle()
    {
        bossAnim.SetInteger("State", 1);
        if(isDead)
            return;
        GameManager.Ins.PlaySound3D("1.20", transform, true);
    }

    public override void Hit()
    {
        if(enemyState!= EnemyState.Idle)
            return;
        base.Hit();
        int hitIndex = Random.Range(0, 100);
        string hitStr=hitIndex>=50 ?"isHit1":"isHit2";
        bossAnim.SetTrigger(hitStr);
    }

    public void TongueAttack()
    {
        bossAnim.SetInteger("State", 3);
        GameManager.Ins.PlaySound3D("1.31", transform, true);
    }

    public void Spit()
    {
        bossAnim.SetInteger("State", 4);
        GameManager.Ins.PlaySound3D("1.20", transform, true);
    }

    public void EggAttack()
    {
        bossAnim.SetInteger("State", 5);
    }
    
    [NonSerialized]
    public float tongueRange = 10f;
    public float moveSpeed = 3.5f;

    public bool IsPlayerInTongueRange()
    {
        return Vector3.Distance(
            transform.position,
            GameManager.Ins.player.transform.position
        ) <= tongueRange;
    }

    public IEnumerator MoveToTongueRange()
    {
        Run();

        while (!IsPlayerInTongueRange())
        {
            Vector3 playerPos = GameManager.Ins.player.transform.position;
            Vector3 dir = (playerPos - transform.position).normalized;

            // 只在 XZ 平面移动
            transform.position += new Vector3(
                dir.x, 0, dir.z
            ) * moveSpeed * Time.deltaTime;

            // 面向玩家
            transform.forward = Vector3.Lerp(
                transform.forward,
                new Vector3(dir.x, 0, dir.z),
                Time.deltaTime * 8f
            );

            yield return null;
        }

        Idle();
    }


    #endregion

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

    #region Die

    public override void Dead()
    {
        if (isDead)
        {
            return;
        }
        GameManager.Ins.curLevel++;
        isDead = true;
        health = 0;
        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 bossCrystals)
        {
            if(item==null)
                continue;
            item.SetActive(false);
        }
        foreach (var item in GetAliveTentacles())
        {
            item.Dead();
        }
        StartCoroutine(DeathDissolve());
    }

    IEnumerator DeathDissolve()
    {
        clipQuadObj.SetActive(true);
        bloodSlider.gameObject.SetActive(false);
        clipQuadObj.transform.localPosition = new Vector3(0, 5f, 0);
        bossAnim.SetBool("isDie",true);
        yield return new WaitForSeconds(3f);
        clipQuadObj.transform.DOLocalMoveY(-5f, 5);
        yield return new WaitForSeconds(8f);
        GameManager.Ins.CreateBoss(transform.position.ReflectVectorXOZ());
        Destroy(gameObject);
    }

    #endregion
}