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

/// <summary>
/// 游戏中所有UI脚本必须显示继承
/// </summary>
public class GameBehavior : MonoBehaviour
{
    /// <summary>
    /// OnEnable 后 进入回调
    /// </summary>
    public System.Action<GameObject> enterAc = null;
    /// <summary>
    /// 参数
    /// </summary>
    protected object param = null;

    /// <summary>
    /// 设置参数
    /// </summary>
    /// <param name="parameter">参数</param>
    public void SetParameter(object parameter)
    {
        param = parameter;
    }

    /// <summary>
    /// 获取参数
    /// </summary>
    /// <returns>返回参数</returns>
    public object GetParameter()
    {
        return this.param;
    }

    public virtual void registListeners()
    {
        //LogHelper.Log("registListeners");
    }

    public virtual void distroyListeners()
    {
        //LogHelper.Log("distroyListeners");
    }

    public virtual void OnDestroy()
    {
        distroyListeners(); 
    }

    public virtual void OnEnable()
    {
        //BaseRefresh();
    }
    
    public virtual void OnDisable()
    {
        distroyListeners();
    }

    public virtual void BaseRefresh()
    {
        registListeners();
        if (enterAc != null)
        {
            enterAc(this.gameObject);
        }
    }
    /// <summary>
    /// 查节点
    /// </summary>
    /// <typeparam name="T">泛型</typeparam>
    /// <param name="go">查询对象</param>
    /// <returns>查询结果</returns>
    static public T FindInParents<T>(GameObject go) where T : Component
    {
        if (go == null)
        {
            return null;
        }

        var comp = go.GetComponent<T>();

        if (comp != null)
        {
            return comp;
        }

        Transform t = go.transform.parent;
        while (t != null && comp == null)
        {
            comp = t.gameObject.GetComponent<T>();
            t = t.parent;
        }

        return comp;
    }
}