using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using UnityEngine;
using Debug = UnityEngine.Debug;

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("攻击冷却时间（秒）")] 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>();

    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()
    {
        AttackScope = attackScope;
        bulletData = new BulletData();
        bulletData.BulletScattering = 1;

        CircleCollider2D circleCollider2D = GetComponent<CircleCollider2D>();

        while (true)
        {
            if (circleCollider2D)
            {
                // 检查是否可以进行攻击（基于冷却时间）
                if (Time.time - lastAttackTime >= attackCooldown)
                {
                    Collider2D[] colliders = Physics2D.OverlapCircleAll(circleCollider2D.transform.position, attackScope);

                    foreach (Collider2D collider in colliders)
                    {
                        Role targetRole = collider.GetComponent<Role>();
                        if (targetRole && targetRole.camp != role.camp)
                        {
                            role.animationHighlight = 1;
                            attack(targetRole);
                            lastAttackTime = Time.time;  // 更新上次攻击时间
                            break;  // 只攻击一个目标
                        }
                        else
                        {
                            role.animationHighlight = 0;
                        }
                    }
                    
                }
                await Task.Delay(100);  // 延迟，避免过于频繁地检测
            }
            else
            {
                return;
            }
        }
    }

    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 = transform.position;
            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);
            }
        }
    }

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