using System.Collections;
using System.Collections.Generic;
using DragonLi.Core;
using DragonLi.Frame;
using Mirror;
using UnityEngine;
using Valheim;

public class RemoteButtlet : NetworkBehaviour
{
    public int id;
    
    [Header("飞行参数")]
    // 子弹的飞行速度
    public float speed = 10f;
    public float rotateSpeed = 200f;

    [Header("爆炸设置")]
    // 爆炸粒子预制体
    public GameObject explosionEffect;
    
    public GameObject bulletEffect;
    // 子弹爆炸后造成的伤害值（可根据需要调整）
    public float damage = 10;

    [Header("子弹来源")]
    // 通过此参数区分是敌人发射的子弹还是玩家发射的子弹
    // false 为玩家发射的子弹，true 为敌人发射的子弹
    public bool isEnemyBullet = false;

    private bool isTrigger;
    
    public GameObject target;
    
    // 子弹实际飞行方向，由目标位置决定
    private Vector3 moveDirection = Vector3.zero;
    
    public void Init(bool isEnemy,float atk,GameObject curTarget)
    {
        isEnemyBullet = isEnemy;
        damage = atk;
        isTrigger = false;
        bulletEffect.gameObject.SetActive(true);
        explosionEffect.gameObject.SetActive(false);
        target = curTarget;
        MonoSingleton<CoroutineTaskManager>.Instance.WaitSecondTodo(() =>
        {
            if(!isTrigger) 
                Explode();
        },10f);
        // // 计算从当前子弹位置指向目标位置的单位向量
         moveDirection =curTarget==null? transform.forward: (curTarget.transform.position+new Vector3(0,0.5f,0) - transform.position).normalized;
        // // 同步设置子弹的旋转，使之看向目标方向
        // transform.rotation = Quaternion.LookRotation(moveDirection);
    }

    void Update()
    {
        // 如果目标存在，则计算追踪方向，并平滑转向
        if (target != null)
        {
            Vector3 targetDirection = (target.transform.position - transform.position).normalized;
            // RotateTowards 的第三个参数接收弧度，所以需将 rotateSpeed 转换为弧度/秒
            moveDirection = Vector3.RotateTowards(moveDirection, targetDirection, rotateSpeed * Mathf.Deg2Rad * Time.deltaTime, 30f);
            transform.rotation = Quaternion.LookRotation(moveDirection);
        }
        // 如果目标消失，子弹将继续沿原方向飞行，不再调整旋转

        // 沿当前方向进行移动
        transform.position += moveDirection * (speed/2) * Time.deltaTime;
    }

    /// <summary>
    /// 当子弹碰到其他对象时进行检测
    /// </summary>
    /// <param name="other">碰撞到的对象</param>
    void OnTriggerEnter(Collider other)
    {
        // 判断如果是玩家发射的子弹，则碰到敌人时执行爆炸与扣血
        if (!isEnemyBullet && other.CompareTag("Enemy"))
        {
            // 获取敌人的脚本组件，这里假设敌人对象有 EnemyHealth 脚本
            IDamagable damagable = other.GetComponent<IDamagable>();
            if (damagable != null)
            {
                damagable.ApplyDamage(damage, false, transform);
            }
            Explode();
        }
        // 如果是敌人发射的子弹，则碰到玩家时执行处理
        else if (isEnemyBullet && other.CompareTag("Pet"))
        {
            // 获取玩家脚本组件，例如 PlayerHealth 脚本
            IDamagable damagable = other.GetComponent<IDamagable>();
            if (damagable != null)
            {
                damagable.ApplyDamage(damage, false, transform);
            }
            Explode();
        }
        // 碰撞到障碍物（或其他标记为 Obstacle 的物体）时也产生爆炸效果
        else if (other.CompareTag("Ground"))
        {
            Explode();
        }
        // 根据需求，其他碰撞逻辑可以在此扩展
    }

    /// <summary>
    /// 爆炸效果处理方法
    /// </summary>
    void Explode()
    {
        isTrigger = true;
        bulletEffect.gameObject.SetActive(false);
        explosionEffect.gameObject.SetActive(true);
        // 销毁子弹对象
        StartCoroutine(DelayedDestroy(3f));
    }
    IEnumerator DelayedDestroy(float delay)
    {
        yield return new WaitForSeconds(delay);
        // 在销毁之前再检查一遍对象状态
        if (this != null && gameObject != null && NetworkServer.active)
        {
            NetworkServer.Destroy(gameObject);
        }
    }
}