using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using Game;
using Game.HotFix;
using CaoCao.XAsset;

public abstract class UnitPool
{
    public abstract void Hide();
    public abstract MonoBehaviour GetAnyHideObject();
}

// 局部对象池模板
public class UnitPool<T> : UnitPool where T : MonoBehaviour
{
    private Transform mb_vParentTf;                         // 创建对象时的父节点
    private string mb_vPrefabName;                          // 对象预制名称
    private string mb_vPrefabPath;                          // 路径
    private List<T> mb_vObjList;                            // 对象列表

    public MonoBehaviour mb_Component;                      // 所属脚本

    public Transform Getmb_vParentTf()
    {
        return mb_vParentTf;
    }

    public void Setmb_vParentTf(Transform pTran)
    {
        mb_vParentTf = pTran;
    }

    // 显示的Unit个数
    public int iActivityCount
    {
        get
        {
            int retCount = 0;

            if (mb_vObjList != null)
            {
                for (int i = 0; i < mb_vObjList.Count; i++)
                {
                    if (mb_vObjList[i].gameObject.activeSelf)
                        retCount++;
                }
            }

            return retCount;
        }
    }

    // Unit列表
    public List<T> vObjList
    {
        get
        {
            if (mb_vObjList == null)
                mb_vObjList = new List<T>();

            return mb_vObjList;
        }
    }


    /// <summary>
    /// 构造 用类型名称去UIMgr.AllUIPath取unit.Prefab路径
    /// </summary>
    /// <param name="tfParent">父节点</param>
    public UnitPool(MonoBehaviour _component, Transform tfParent)
    {
        mb_Component = _component;
        mb_vParentTf = tfParent;

        string vPrefabName = typeof(T).FullName;
        var strNameAry = vPrefabName.Split('.');
        mb_vPrefabName = strNameAry[strNameAry.Length - 1];
        mb_vPrefabPath = UIMgr.AllUIPath[mb_vPrefabName];
        //Debug.Log("mb_vPrefabName:" + mb_vPrefabName + ", mb_vPrefabPath:" + mb_vPrefabPath);

    }

    /// <summary>
    /// 构造 指定unit.Prefab路径
    /// </summary>
    /// <param name="tfParent">父节点</param>
    /// <param name="vPrefabPath">Prefab路径</param>
    public UnitPool(MonoBehaviour _component, Transform tfParent, string vPrefabPath)
    {
        mb_Component = _component;
        mb_vParentTf = tfParent;

        string vPrefabName = typeof(T).FullName;
        var strNameAry = vPrefabName.Split('.');
        mb_vPrefabName = strNameAry[strNameAry.Length - 1];
        mb_vPrefabPath = vPrefabPath;

        //Debug.Log("mb_vPrefabName:" + mb_vPrefabName + ", mb_vPrefabPath:" + mb_vPrefabPath);
    }


    // 隐藏
    public override void Hide()
    {
        for (int i = 0; i < vObjList.Count; i++)
        {
            vObjList[i].gameObject.SetActive(false);
        }
    }

    // 隐藏父节点
    public void HideNode()
    {
        mb_vParentTf.gameObject.SetActive(false);
    }

    // 显示父节点
    public void ShowNode()
    {
        mb_vParentTf.gameObject.SetActive(true);

    }

    public GameObject Clone(string path, Transform t = null)
    {

        var request = Asset.InstantiateAsync(path, t);
        if (request == null)
        {
            Debug.LogError("request == null. path:" + path + ", t is null:" + (t == null));
            return null;
        }

        request.WaitForCompletion();
        return request.gameObject;
    }

    // 获取
    public T GetObj(int index)
    {
        if (index < vObjList.Count)
        {
            vObjList[index].gameObject.SetActive(true);
            return vObjList[index];
        }
        //string uiName = typeof(T).FullName;
        //var strNameAry = uiName.Split('.');

        //Debug.Log("uiName1:" + uiName);
        //uiName = strNameAry[strNameAry.Length - 1];
        //Debug.Log("uiName2:" + uiName);
        ////var strNameAry = mb_vPrefabName.Split('.'); 
        ////string uiName = strNameAry[strNameAry.Length - 1];

        //var uiPath = UIMgr.AllUIPath[uiName];

        //Debug.Log("uiPath:" + uiPath);
        //GameObject go = UIMgr.Instance.Clone(uiPath, mb_vParentTf);
        GameObject go = Clone(mb_vPrefabPath, mb_vParentTf);
        if (go == null)
            return null;

        go.name = mb_vPrefabName;
        T vObj = go.GetComponent<T>();
        if (vObj == null)
            vObj = go.AddComponent<T>();

        vObjList.Add(vObj);

        //添加对不需要按钮的统一处理
        //UIUnActive.BatchInit(vObj);

        return vObj;
    }

    // 获取
    public T GetAnyHide()
    {
        int count = vObjList.Count;
        for (int i = 0; i < count; i++)
        {

            //if (vObjList[i].gameObject == null)
            //    continue;

            if (!vObjList[i].gameObject.activeSelf)
            {
                vObjList[i].gameObject.SetActive(true);
                return vObjList[i];
            }
        }

        return GetObj(count);
    }

    public override MonoBehaviour GetAnyHideObject()
    {
        return GetAnyHide() as T;
    }

    public void Remove(int index)
    {
        if (index >= vObjList.Count)
            return;

        T vObj = vObjList[index];
        GameObject.Destroy(vObj.gameObject);
        vObjList.RemoveAt(index);
    }

    public void Remove(T obj)
    {
        for (int i = 0; i < vObjList.Count; i++)
        {
            if (vObjList[i] == obj)
            {
                GameObject.Destroy(obj.gameObject);
                vObjList.RemoveAt(i);
                return;
            }
        }
    }

    // 销毁
    public void Destory()
    {
        for (int i = 0; i < vObjList.Count; i++)
        {
            T vObj = vObjList[i];
            GameObject.Destroy(vObj.gameObject);
        }
        vObjList.Clear();
    }
}