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

public class MonsterObject : MonoBehaviour
{
    //血条长度
    public RectTransform imgDragHp;
    //血量文字
    public Text txtDragHp;
    //怪物名字
    public Text txtDragName;
    //怪物的图片
    public Image imgDrog;

    //当前血量
    private int hp;
    private float hpWide = 240f;

    //怪物是否死亡
    public bool isDead;

    //记录上一次攻击的时间
    private float frontTime;
    
    //怪物数据
    private MonsterData monster;
    
    // Update is called once per frame
    void Update()
    {
        //检测什么时候停下来攻击
        if (isDead)
        {
            return;
        }
        //检测是否能开始攻击 就攻击
        if (GameMgr.Instance.isStartAtk)
        {
            if (Time.time - frontTime >= monster.atkTime)
            {
                //记录这次攻击时的时间
                frontTime = Time.time;
                //玩家受到伤害
                EventCenter.Instance.EventTrigger<MonsterData>(E_EventType.E_Player_Wound, monster);
            }
        }
    }

    //受伤
    public void Wound(PlayerData player)
    {
        if (isDead)
        {
            return;
        }
        //防御抵消伤害
        //减少血量
        int damageHP = player.atk - monster.def;
        //防止没有破防产生负数的情况
        if (damageHP<0)
        {
            damageHP = 0;
        }
        hp -=damageHP;
        //弹出减血量数字
        EventCenter.Instance.EventTrigger<int>(E_EventType.E_Monster_DamageNum,damageHP);

        if (hp <= 0)
        {
            Dead();
            //开启生成新一轮游戏
            GameMgr.Instance.StartInit();

            this.gameObject.SetActive(false);
            return;
        }
        UpdateHp(hp);
    }

    //死亡
    public void Dead()
    {
        isDead = true;
        //玩家和怪物停止攻击
        GameMgr.Instance.isStartAtk = false;
        //飞剑回收仓库
        GameMgr.Instance.isFeijianClose = true;

        //血条长度变为0
        UpdateHp(0);
        //弹出战斗胜利
        EventCenter.Instance.EventTrigger<string>(E_EventType.E_Pool_Register1,"战斗胜利");

        //玩家获得奖励
        //玩家的总灵石 +=（怪物掉落+怪物掉落*玩家灵石加成）
        int getStone = monster.stone + (int)(monster.stone * (GameDataMgr.Instance.player.stoneAdd/100));
        GameDataMgr.Instance.player.stone += getStone;
        //玩家背包增加源石和其他物品



        //弹出奖励框 更新TopPanel的面板数据
        GameMgr.Instance.StartTip(getStone,monster.yuan);
        //保存玩家数据
        GameDataMgr.Instance.PlayerDataSave();
    }

    private void UpdateHp(int hp)
    {
        imgDragHp.sizeDelta = new Vector2(hpWide * hp / monster.hp, imgDragHp.sizeDelta.y);
        txtDragHp.text = GameMgr.Instance.SetNumber(hp) + "/" + GameMgr.Instance.SetNumber(monster.hp);
    }

    //重置面板上怪物的数据
    public void UpdatePanel()
    {
        //更新怪物数据
        isDead = false;
        monster = GameDataMgr.Instance.nowMonster;
        hp = monster.hp;
        //注册受伤事件
        EventCenter.Instance.AddEventListener<PlayerData>(E_EventType.E_Monster_Wound, Wound);

        //怪物名字更新
        txtDragName.text = monster.name;
        //怪物名字颜色更新
        txtDragName.color = GameMgr.Instance.HexToColor(monster.color);
        //重置血条
        imgDragHp.sizeDelta = new Vector2(hpWide, imgDragHp.sizeDelta.y);
        txtDragHp.text = GameMgr.Instance.SetNumber(monster.hp) + "/" + GameMgr.Instance.SetNumber(monster.hp);
        hp = monster.hp;
        imgDrog.color = GameMgr.Instance.HexToColor(monster.color);
        //重置怪物面板时 把攻击时间归0
        frontTime = Time.time;
    }

    //失活也要注销事件
    void OnDisable()
    {
        EventCenter.Instance.Claer(E_EventType.E_Monster_Wound);
    }
}