using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Sirenix.OdinInspector;


/// <summary>
/// 敌人的基类，一般怪物都继承其而来
/// </summary>
public class Enemy : MonoBehaviour
{
    //   _____       _     _ _      
    //  |  __ \     | |   | (_)     
    //  | |__) |   _| |__ | |_  ___ 
    //  |  ___/ | | | '_ \| | |/ __|
    //  | |   | |_| | |_) | | | (__ 
    //  |_|    \__,_|_.__/|_|_|\___|

    /// <summary>
    /// 生命值上限
    /// </summary>
    [BoxGroup("属性")][Header("生命值上限")]
    public float HP;

    /// <summary>
    /// 攻击力
    /// </summary>
    [BoxGroup("属性")][Header("攻击力")]
    public float ATK;

    /// <summary>
    /// 速度
    /// </summary>
    [BoxGroup("属性")][Header("速度")]
    public float speed;

    /// <summary>
    /// 打死后掉多少金币
    /// </summary>
    [BoxGroup("属性")][Header("掉落金币数")]
    public int coin;

    /// <summary>
    /// 怪物拥有的几种状态
    /// </summary>
    public enum State{wander,seek,atk,dead};

    //   _____      _            _       
    //  |  __ \    (_)          | |      
    //  | |__) | __ ___   ____ _| |_ ___ 
    //  |  ___/ '__| \ \ / / _` | __/ _ \
    //  | |   | |  | |\ V / (_| | ||  __/
    //  |_|   |_|  |_| \_/ \__,_|\__\___|

    /// <summary>
    /// 当前生命值
    /// </summary>
    [ReadOnly][SerializeField][ProgressBar(0,10,0.15f,0.47f,0.74f)]
    protected float HPLeft;

    /// <summary>
    /// 当前状态
    /// </summary>
    [EnumPaging][SerializeField][ReadOnly][Header("当前状态")]
    protected State state;


    // Start is called before the first frame update
    void Start()
    {
        
    }

    // Update is called once per frame
    void Update()
    {
        
    }

    //   ______               _   
    //  |  ____|             | |  
    //  | |____   _____ _ __ | |_ 
    //  |  __\ \ / / _ \ '_ \| __|
    //  | |___\ V /  __/ | | | |_ 
    //  |______\_/ \___|_| |_|\__|

    /// <summary>
    /// 当怪物死的时候Call这个函数
    /// </summary>
    protected void OnDead(){}

    /// <summary>
    /// 当怪物触碰到玩家的时候Call这个
    /// </summary>
    protected void OnTouchThePlayer(){}

    /// <summary>
    /// 当怪物被打的时候触发
    /// </summary>
    /// <param name="hitMethod">攻击方式，枚举类型，具体看MyPlayer</param>
    /// <param name="hitDir">受击方向，-1左，1右</param>
    protected void OnBeHit(MyPlayer.AtkMethod hitMethod,int hitDir){}

    /// <summary>
    /// 当怪物发现玩家的时候Call这个
    /// </summary>
    protected void OnFindThePlayer(){}


    //    _____      _ _ _     _             
    //   / ____|    | | (_)   (_)            
    //  | |     ___ | | |_ ___ _  ___  _ __  
    //  | |    / _ \| | | / __| |/ _ \| '_ \ 
    //  | |___| (_) | | | \__ \ | (_) | | | |
    //   \_____\___/|_|_|_|___/_|\___/|_| |_|                                  
    protected void OnCollisionEnter2D(Collision2D other)//当有物体碰上
    {
        if(other.gameObject.TryGetComponent<MyPlayer>(out MyPlayer player))
            {OnTouchThePlayer();}//如果创到的是玩家，则Call事件
    }
    protected void OnTriggerEnter2D(Collider2D other)
    {
        if(other.gameObject.TryGetComponent<MyPlayer>(out MyPlayer player))
            {OnFindThePlayer();}//如果监视范围出现玩家，则Call事件
    }



}