using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class PlayerObject : MonoBehaviour
{
    //飞剑生成点
    public RectTransform feijianPos;
    //血量字体生成点
    public RectTransform damagePos;
    //血条长度
    public RectTransform imgUserHp;
    //血量文字
    public Text txtUserHp;

    private PlayerData player;

    //当前血量
    private int hp;
    private float hpWide = 240f; 
    //玩家是否死亡
    public bool isDead = false;
    
    //记录上一次攻击的时间
    private float frontTime;

    void OnEnable()
    {
        player=GameDataMgr.Instance.player;
        hp = player.hp;
    }

    void Start()
    {
        EventCenter.Instance.AddEventListener<MonsterData>(E_EventType.E_Player_Wound,Wound);
    }

    // Update is called once per frame
    void Update()
    {
        //检测什么时候停下来攻击
        if (isDead)
        {
            return;
        }

        if (GameMgr.Instance.isStopAtk)
        {
            //检测和目标点达到移动条件时 就攻击
            if (Time.time - frontTime >= player.atkTime)
            {
                //记录这次攻击时的时间
                frontTime = Time.time;
                //创建飞剑攻击敌人
                GameObject obj = PoolMgr.Instance.GetObj("Object/FeiJian");
                obj.transform.SetParent(feijianPos, false);
            }
        }
    }

    //受伤
    public void Wound(MonsterData monster)
    {
        if (isDead)
        {
            return;
        }
        //防御抵消伤害
        //减少血量
        hp = hp+player.def-monster.atk;
        //弹出减血量数字
        GameObject go = PoolMgr.Instance.GetObj("Object/DamageNum");
        go.transform.SetParent(damagePos, false);
        go.GetComponent<DamageNum>().UpdateTxtInfo((monster.atk - player.def).ToString());

        if (hp <= 0)
        {
            //死亡
            isDead = true;
            UpdateHp(0);
            //弹出失败框

            //组件失活
            this.gameObject.SetActive(false);
            return;
        }
        UpdateHp(hp);
    }

    private void UpdateHp(int hp)
    {
        imgUserHp.sizeDelta = new Vector2(hpWide*hp / player.hp , imgUserHp.sizeDelta.y);
        txtUserHp.text = hp + "/" + player.hp;
    }

    //重置面板上玩家的数据
    public void UpdatePanel()
    {
        imgUserHp.sizeDelta = new Vector2(hpWide, imgUserHp.sizeDelta.y);
        txtUserHp.text = player.hp + "/" + player.hp;
        hp=player.hp;
    }

    //对象删除时，清空事件中心的事件
    void OnDestroy()
    {
        EventCenter.Instance.Claer(E_EventType.E_Player_Wound);
    }
}