using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using UnityEngine;
using Debug = UnityEngine.Debug;
using UnityEditor.Animations;
using DG.Tweening;

public class Attack : MonoBehaviour
{
    [Header("子弹预制体")] public GameObject bulletPrefab;
    [Header("子弹数据")] public BulletData bulletData;
    [Header("角色对象")] public Role role;
    //[Header("攻击范围")] public float attackScope;
    [Header("攻击类型")] public DamageType damageTyp = DamageType.noAttributeDamage;

    [Header("攻击CD时间")] public float attackCooldown = 1f; // 攻击冷却时间
    private float lastAttackTime = 0f;  // 上次攻击的时间
     
    [HideInInspector]
    public List<GameObject> bulltes = new List<GameObject>();

    [Header("角色动画控制器")] public Animator animator;
    //[Header("火焰动画控制器")] public Animator fireAni;
    [Header("火焰动画控制器")] public List<Animator> fireAnis;

    [Header("子弹起始点")] public Transform BulletStartPos;
    [Header("攻击速度")] public float AttackSpeed=1f;
    public Vector2 direction;

    [Header("子弹速度加成")]public float roleBulletSpeedAdd=0f;
    //[Header("子弹长度")] public float scaleFactor;
    [Header("子弹数量")] public int BulletNumber = 1;
    [Header("攻击碰撞体")] public CircleCollider2D attackCollider;
    [Header("矩形攻击碰撞体")] public BoxCollider2D attackColliderBox;
    [Header("攻击范围图片")] public SpriteRenderer attackRangeSprite;
    [Header("攻击持续时间")] public float AttackStayTime;//

    public bool isAttack = true;
    public bool flag = false;
   [HideInInspector] public float timer = 0;
    //public float AttackScope
    //{
    //    [DebuggerStepThrough]
    //    get => attackScope;
    //    [DebuggerStepThrough]
    //    set
    //    {
    //        attackScope = value;
    //        GetComponent<CircleCollider2D>().radius = attackScope;
    //        //Debug.Log("攻击半径"+GetComponent<CircleCollider2D>().radius);
    //    }
    //}

    public async void Start()
    {
        bulletData = new BulletData();
        bulletData.BulletScattering = 1;

        animator.SetFloat("AttackSpeed", AttackSpeed);

        attackCooldown = transform.parent.GetComponent<enemy>().AttackCD;

        SetAttackRange(); // 设置攻击范围

        while (isAttack)
        {
            if (attackCollider || attackColliderBox)
            {
                // 检查是否可以进行攻击（基于冷却时间）
                if (Time.time - lastAttackTime >= attackCooldown)
                {


                   
                    if (attackCollider)
                    {
                        Collider2D[] colliders = Physics2D.OverlapCircleAll(attackCollider.transform.position, attackCollider.radius);
                        GetAllColliderInAttackRange(colliders);
                    }
                    else if (attackColliderBox)
                    {
                        // 获取碰撞体的尺寸
                        Vector2 boxSize = attackColliderBox.size;

                        // 只检测右边一半，修改尺寸
                        boxSize.x /= 2f;

                        // 获取碰撞体的中心位置
                        Vector3 colliderCenter = attackColliderBox.transform.position;

                        // 计算右半部分的中心位置，确保中心点在矩形的右半部分
                        Vector3 rightCenter = new Vector3(colliderCenter.x + attackColliderBox.size.x / 4f, colliderCenter.y, colliderCenter.z);

                        // 使用OverlapBoxAll检测右半部分区域
                        Collider2D[] colliders = Physics2D.OverlapBoxAll(rightCenter, boxSize, 0f);
                        GetAllColliderInAttackRange(colliders);
                    }

                    lastAttackTime = Time.time;  // 更新上次攻击时间
                }

                

                await Task.Delay(100);  // 延迟，避免过于频繁地检测
            }
            else
            {
                return;
            }
        }
    }


    private void Update()
    {
        if (flag)
        {
            timer += Time.deltaTime;
            if (timer>AttackStayTime)
            {
                animator.SetInteger("State", 0);
                isAttack = true;
                timer = 0;
                flag = false;
            }
           
        }
    }

    public void GetAllColliderInAttackRange(Collider2D[] colliders)
    {
        foreach (Collider2D collider in colliders)
        {
            Role targetRole = collider.GetComponent<Role>();
            if (targetRole && targetRole.camp != role.camp)
            {
                role.animationHighlight = 1;
                if (animator != null)
                {
                    if (bulletPrefab.GetComponent<Bullet>().myBulletType != BulletType.Spraying)
                    {
                        direction = (targetRole.transform.position - BulletStartPos.position).normalized;
                        animator.SetTrigger("Attack");
                    }
                    else if (bulletPrefab.GetComponent<Bullet>().myBulletType == BulletType.Spraying)
                    {
                        animator.SetInteger("State", 1);

                        flag = true;




                    }

                    lastAttackTime = Time.time;  // 更新上次攻击时间
                }

                break;  // 只攻击一个目标
            }
            else
            {
                if (animator != null)
                {
                    //animator.SetInteger("State", 0);
                }
                else
                {
                    role.animationHighlight = 0;
                }
            }
        }
    }
    /*public void attack(Role targetRole)
    {
        
        if (bulletPrefab == null)
        {
            Debug.LogError("子弹预制体为空");
            return;
        }

      

        Vector2 direction = (targetRole.transform.position - transform.position).normalized;

        if (bulletPrefab.GetComponent<Bullet>().myBulletType == BulletType.Spraying)
        {           
            GameObject BulletGamobj = GameObject.Instantiate(bulletPrefab, this.transform.root);
            BulletGamobj.GetComponent<Bullet>().role = role;
            BulletGamobj.GetComponent<Bullet>().attackObj = this;
            // BulletGamobj.transform.up = direction;
            BulletGamobj.transform.position =new Vector2(transform.position.x+0.15f, transform.position.y+0.2f);
            bulltes.Add(BulletGamobj);
            return;
        }
        else
        {
            for (int i = 0; i < bulletData.BulletScattering; i++)
            {
                // 改变子弹方向,根据角色自身的攻击范围来计算
                GameObject BulletGamobj = GameObject.Instantiate(bulletPrefab, this.transform.root);
                BulletGamobj.GetComponent<Bullet>().role = role;
                BulletGamobj.GetComponent<Bullet>().attackObj = this;
                BulletGamobj.transform.up = direction;
                BulletGamobj.transform.position = transform.position;
                bulltes.Add(BulletGamobj);
            }
        }
    }*/

   

    public void Pointattack()
    {

        if (bulletPrefab == null)
        {
            Debug.LogError("子弹预制体为空");
            return;
        }
        
        
        for (int i = 0; i < BulletNumber; i++)
        {
           // 改变子弹方向,根据角色自身的攻击范围来计算
            GameObject BulletGamobj = GameObject.Instantiate(bulletPrefab, this.transform.root);
            BulletGamobj.GetComponent<Bullet>().role = role;
            BulletGamobj.GetComponent<Bullet>().attackObj = this;
            BulletGamobj.GetComponent<Bullet>().bulletData.BulletSpeed *= (1 + roleBulletSpeedAdd);
            BulletGamobj.transform.up = direction;
            BulletGamobj.transform.position = BulletStartPos.position;
            bulltes.Add(BulletGamobj);
        }
        
    }


    public void Fireattack()
    {
        if (bulletPrefab == null)
        {
            Debug.LogError("子弹预制体为空");
            return;
        }

        // 检查子弹类型是否为 Spraying
        if (bulletPrefab.GetComponent<Bullet>().myBulletType == BulletType.Spraying)
        {
            // 根据 BulletNumber 生成不同数量和旋转角度的子弹
            switch (BulletNumber)
            {
                case 1:
                    // 生成一个不旋转的子弹
                    GenerateBullet(0f, BulletStartPos.position, new Vector2(0, 0));
                    break;

                case 3:
                    // 生成三个子弹：一个不旋转，一个向上旋转30度，一个向下旋转30度
                    GenerateBullet(-35f, BulletStartPos.position, new Vector2(0, -0.25f));
                    GenerateBullet(0f, BulletStartPos.position, new Vector2(0, 0));
                    GenerateBullet(35f, BulletStartPos.position, new Vector2(0, 0.25f));
                    break;

                default:
                    // 可选：处理其他 BulletNumber 值的情况
                    Debug.LogWarning($"BulletNumber 为 {BulletNumber} 时未定义的生成逻辑。");
                    break;
            }
        }
    }

   
private void GenerateBullet(float angle, Vector2 startPos, Vector2 changePos)//角度，旋转中心点
    {
        // 实例化子弹对象并设置父物体为 transform.root
        GameObject bulletGameObj = GameObject.Instantiate(bulletPrefab, transform.root);
        // 获取子弹的原始宽度
        float originalWidth = bulletGameObj.GetComponentInChildren<SpriteRenderer>().bounds.size.x;
        
        // 设置子弹的缩放

        if (role.AttackRange / 2>1)
        {
            bulletGameObj.transform.localScale = new Vector2(role.AttackRange / 2, role.AttackRange / 3);
            // 计算缩放后的偏移量
            float offsetX = (originalWidth * (role.AttackRange / 2)) / 4f+0.15f;

            // 调整子弹的位置，确保左边界不变
            bulletGameObj.transform.position = new Vector2(bulletGameObj.transform.position.x + offsetX, bulletGameObj.transform.position.y);
           

        }
        bulletGameObj.transform.position = new Vector2(bulletGameObj.transform.position.x + 1.75f, bulletGameObj.transform.position.y + 0.2f);
        // 获取动画组件（如果需要的话）
        fireAnis.Add(bulletGameObj.GetComponentInChildren<Animator>());

        // 设置子弹的初始位置，保持偏移量
      

        bulletGameObj.GetComponent<Bullet>().role = role;
        bulletGameObj.GetComponent<Bullet>().attackObj = this;
       

        // 计算子弹相对于旋转中心的偏移
        Vector2 direction = bulletGameObj.transform.position - (Vector3)startPos;

        // 旋转偏移
        direction = Quaternion.Euler(0, 0, angle) * direction;

        // 更新子弹的位置
        bulletGameObj.transform.position = startPos + direction;

        // 设置子弹的旋转角度
        bulletGameObj.transform.rotation = Quaternion.Euler(0, 0, angle);
        bulletGameObj.transform.position = bulletGameObj.transform.position + (Vector3)changePos;
    

    
       

        // 将生成的子弹添加到子弹列表中
        bulltes.Add(bulletGameObj);
    }


    public void EndFire()
    {
        foreach (Animator ani in fireAnis)
        {
            ani.SetInteger("State", 1);
        }
        fireAnis.Clear();
        //Debug.Log("停止火焰");

    }

    
    private void OnDisable()
    {
        bulltes.Clear();
    }

    public void SetAttackRange()
    {
        if (attackCollider)
        {
            // 设置碰撞体的半径
            attackCollider.radius = role.AttackRange;


            // 获取攻击范围图片的原始直径 (SpriteRenderer的bounds.size.x)
            float spriteDiameter = attackRangeSprite.bounds.size.x;

            // 计算缩放因子，使得图片的直径与碰撞体的直径匹配
            float scaleFactor = role.AttackRange * 2f / spriteDiameter;  // * 2f 因为 radius 是半径，图片的尺寸通常是直径

            // 设置图片的缩放
            attackRangeSprite.transform.localScale = new Vector3(scaleFactor, scaleFactor, 1f);
        }
        else if(attackColliderBox)
        {
            Vector2 boxSize = attackColliderBox.size;

            // 假设攻击范围决定了矩形的长宽比
            // attackRange * 2 可以增加攻击范围的矩形尺寸，调整比例或常数以适应你的需要
            boxSize.x = role.AttackRange * 2f;  // 设置矩形宽度
            //boxSize.y = role.AttackRange/3;       // 设置矩形高度

            // 更新矩形碰撞体的尺寸
            attackColliderBox.size = boxSize;

            // 调整攻击范围图片的缩放，使其与碰撞体的大小一致
            float scaleX = boxSize.x / attackRangeSprite.bounds.size.x*3*0.75f;
            float scaleY = boxSize.y / attackRangeSprite.bounds.size.y*2;

            attackRangeSprite.transform.localScale = new Vector3(scaleX, scaleY, 1f);
        }
        
        
    }

}