using System;
using System.Collections;
using System.Collections.Generic;
using Cysharp.Threading.Tasks;
using Cysharp.Threading.Tasks.Triggers;
using DG.Tweening;
using UnityEngine;
using UnityEngine.EventSystems;

public class EnemyController : MonoBehaviour, IPointerDownHandler, IPointerEnterHandler, IPointerExitHandler
{
    [SerializeField]private int health;
    public int MaxHealth;
    public SpriteRenderer SpriteRenderer;
    public Material FlashDamageMaterial;

    public int Damage = 3;
    
    private Animator animator;


    public float initSpeed = 1.0f;
    public float speed = 1.0f;

    public Rigidbody rigid;

    public bool isDead = false;
    public bool isFighting = false;
    public int Health
    {
        get => health;
        set
        {
            if (health == 0) return;
            value = Mathf.Clamp(value, 0, MaxHealth);
            // print(health);
            // print(value);
            if (health > value || value <= 0)
            {

                DOTween.Complete(this);
                DOTween.To(
                    () => FlashDamageMaterial.GetFloat("_Intensity"),
                    x => FlashDamageMaterial.SetFloat("_Intensity", x),
                    1f, 0.1f).onComplete = () => 
                    DOTween.To(
                        () => FlashDamageMaterial.GetFloat("_Intensity"),
                        x => FlashDamageMaterial.SetFloat("_Intensity", x),
                        0f, 0.1f);
                // print("punch");
                transform.DOPunchScale(new Vector3(-0.3f, 0.5f), 0.2f).onComplete += () =>
                {
                    if (value <= 0)
                    {
                        SpriteRenderer.DOColor(Color.black, 0.3f);
                        isDead = true;
                        Destroy(this.gameObject);
                    }
                };
            }
            health = value;
        }
    }

    private void Start()
    {
        rigid = GetComponent<Rigidbody>();
        health = MaxHealth;
        SpriteRenderer ??= GetComponent<SpriteRenderer>();
        FlashDamageMaterial = SpriteRenderer.material;
        animator = GetComponent<Animator>();
    }

    public void Update()
    {
        if (isDead) return;
        // if (isFighting)
        // {
        //     if (_battleBlob != null) _battleBlob.CurrentHP -= Time.deltaTime;
        //     if (_wall != null) _wall.CurrentWallHP -= Time.deltaTime;
        // }

        rigid.position += Vector3.left * (Time.deltaTime * speed);
    }

    public void OnPointerDown(PointerEventData eventData)
    {
        Health -= (1 + GlobalBuffSystem.Instance.ClickAdder);
    }

    public void OnPointerEnter(PointerEventData eventData)
    {
        transform.localScale *= 1.2f;
    }

    public void OnPointerExit(PointerEventData eventData)
    {
        transform.localScale /= 1.2f;
    }

    private BattleBlob _battleBlob;
    private BattleWall _wall;
    private void OnTriggerEnter(Collider other)
    {

        var battleWall = other.gameObject.GetComponent<BattleWall>();
        if (battleWall)
        {
            // print("wall");
            animator.SetTrigger("Attack");
            _wall = battleWall;
            isFighting = true;
            speed = 0;
            //battleWall.CurrentWallHP -= Damage;
            //Destroy(this.gameObject);
            return;
        }

        var battleBlob = other.gameObject.GetComponent<BattleBlob>();
        if (battleBlob)
        {
            // print("blob");
            animator.SetTrigger("Attack");
            isFighting = true;
            speed = 0;
            _battleBlob = battleBlob;
            return;
        }
    }

    private void OnTriggerStay(Collider other)
    {
        if (other.GetComponent<BattleBlob>() == _battleBlob)
        {
            animator.SetTrigger("Attack");
        }
        
        if (other.GetComponent<BattleWall>() == _wall)
        {
            animator.SetTrigger("Attack");
        }
    }

    private void OnTriggerExit(Collider other)
    {
        if (other.GetComponent<BattleBlob>() == _battleBlob)
        {
            _battleBlob = null;
            isFighting = false;
        }
        
        if (other.GetComponent<BattleWall>() == _wall)
        {
            _wall = null;
            isFighting = false;
            speed = initSpeed;
        }
    }

    public void Attack()
    {
        // _battleBlob?.GetHurt(Damage).Forget();
        AudioManager.Instance.PlayEnemyChopWoodSFX();
        if (_battleBlob) _battleBlob.CurrentHP -= Damage;
        if (_wall) _wall.CurrentWallHP -= Damage;
        Debug.Log("Ѫ����"+_wall.CurrentWallHP);
    }

}