using AX.MessageSystem;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class GetUserIcons : MonoBehaviour {    
    public GameObject itemPre;
    // Use this for initialization
    void Awake () {
        if (itemPre == null)
        {
            itemPre = Resources.Load("4GTransfer/PersonIconItem") as GameObject;
        }
        MessageDispatcher.AddListener("UpdateTransferUserItems", CreateItems);
    }   
    void OnDestroy()
    {
        MessageDispatcher.RemoveListener("UpdateTransferUserItems", CreateItems);
    }       
    private void CreateItems(IMessage obj)
    {
        var users = (List<CloneGameObjInfo>)obj.Data;
        //删除没有同传的人员
        for (int i = 0; i < transform.childCount; i++)
        {
            CloneGameObjInfo checkInfo = transform.GetChild(i).GetComponent<PersonIconItemCtrl>().userInfo;
            if (!users.Contains(checkInfo)) //usersContains(users,checkInfo)==false)
            {
                Destroy(transform.GetChild(i).gameObject);                
            }
        }
        foreach (CloneGameObjInfo userInfo in users)
        {
            if (!checkHasItem(userInfo)) //如果还没生成这个item
            {
                GameObject item = Instantiate(itemPre, transform);                
                UserData userData = CurrentUserInfo.room.FindUserById(userInfo.UserID);
                item.GetComponent<PersonIconItemCtrl>().SetIconInfo(userInfo, userData);
            }
        }
        for (int i = 0; i < transform.childCount; i++)
        {
            transform.GetChild(i).name = "PersonItem-" + i.ToString();
        }
    }

    private bool usersContains(List<CloneGameObjInfo> list,CloneGameObjInfo checkInfo)
    {
        foreach(CloneGameObjInfo info in list)
        {
            if(info.gameObjID==checkInfo.gameObjID)
            {
                return true;
            }
        }
        return false;
    }

    /// <summary>
    /// 查找是否已经生成该人员的toggle
    /// </summary>
    /// <param name="userInfo"></param>
    /// <returns></returns>
    private bool checkHasItem(CloneGameObjInfo userInfo)
    {
        for (int i = 0; i < transform.childCount; i++)
        {
            CloneGameObjInfo checkInfo = transform.GetChild(i).GetComponent<PersonIconItemCtrl>().userInfo;
            if (checkInfo.gameObjID == userInfo.gameObjID)
            {
                return true;
            }
        }
        return false;
    }    
}