using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using XFramework.Objects;
/// <summary>
/// 可翻页显示的数据展示框
/// </summary>
public class EnquireConntentCtrl : MonoBasePanel {
    public GameObject showMessPrefab;
    List<GameObject> showPool = new List<GameObject>();//当前显示或隐藏的所有子物体
    int Page = 1;//默认显示第一页
    List< User> userMsg = new List<User>();//数据库中所有的用户数据
    List<RecordClassDemo> recordClasses = new List<RecordClassDemo>();//数据库中查询到的所有记录信息
    int allPage;//总页数
    public int onePageCount=10;//单页显示的数量
    public MessType messType = MessType.result;
    public UserType userType = UserType.Teacher;
    public Sprite iconSprite;
    Text showPage;
    // Use this for initialization
    protected override void Start()
    {
        base.Start();
        if (messType == MessType.user)
        {
            EventCenter.Instance.AddEventListener<User>("ChangeUser", ChangeUser);
            EventCenter.Instance.AddEventListener<User>("AddUser", AddNewMess);
        }
    }

    protected override void InitComponent()
    {
        Debug.Log("conntent ui Init ");
        this.transform.parent.Find("Button_nextPage").GetComponent<Button>().onClick.AddListener(NextPage);
        this.transform.parent.Find("Button_lastPage").GetComponent<Button>().onClick.AddListener(LastPage);
        showPage = this.transform.parent.Find("Text_page").GetComponent<Text>();
    }

    //显示一页数据
    void ShowOnePageMessage(int pageNumber)
    {
        HideAllMessage();
        ActiveMessagePage(Page, allPage);
        int maxIndex;//计算当前页数 数据的开始索引
        switch (messType)
        {
            //case MessType.result:
            //    maxIndex = pageNumber * onePageCount > recordClasses.Count ? recordClasses.Count : pageNumber * onePageCount;
            //    for (int i = (pageNumber - 1) * onePageCount; i < maxIndex; i++)
            //    {
            //        CreatShowMessageGO().GetComponent<MessagePrefabCtrl>().SetMessage(recordClasses[i]);
            //    }
            //    break;
            case MessType.user:
                maxIndex = pageNumber * onePageCount > userMsg.Count ? userMsg.Count : pageNumber * onePageCount;
                for (int i = (pageNumber - 1) * onePageCount; i < maxIndex; i++)
                {
                    CreatShowMessageGO().GetComponent<MessagePrefabCtrl>().SetMessage(userMsg[i], iconSprite);
                }
                break;
            default:
                break;
        }
    }

    /// <summary>
    /// 翻页
    /// </summary>
    /// <param name="turn"></param>
    /// <returns>当前页码</returns>
    int TurnPage(TurnPageType turn)
    {
        int allMess = 0;
        switch (messType)
        {
            case MessType.result:
                allMess = recordClasses.Count;
                break;
            case MessType.user:
                allMess = userMsg.Count;
                break;
            default:
                break;
        }
        switch (turn)
        {
            case TurnPageType.Up:
                if (Page > 1)
                {
                    Page -= 1;
                    ShowOnePageMessage(Page);
                }
                break;
            case TurnPageType.Down:
                if (Page*onePageCount < allMess)
                {
                    Page += 1;
                    ShowOnePageMessage(Page);
                }
                break;
            default:
                break;
        }
        return Page;
    }

    /// <summary>
    /// 显示查找到的结果数据
    /// </summary>
    /// <param name="message"></param>
    public void ShowEnquireMess(RecordClassDemo[] message)
    {
        InitPanel();
        HideAllMessage();
        recordClasses.Clear();
        for (int i = 0; i < message.Length; i++)
        {
            recordClasses.Add(message[i]);
        }
        allPage = recordClasses.Count / onePageCount;
        if (recordClasses.Count % onePageCount > 0)
        {
            allPage += 1;
        }
        ShowOnePageMessage(1);
        // return allPage;
    }

    /// <summary>
    /// 显示查找到的学员数据
    /// </summary>
    /// <param name="message"></param>
    public int ShowEnquireMess(User[] message)
    {
        InitPanel();
        HideAllMessage();
        userMsg.Clear();
        if (message.Length == 0) return 0;
        for (int i = 0; i < message.Length; i++)
        {
            userMsg.Add(message[i]);
        }
        allPage = userMsg.Count / onePageCount;
        if (userMsg.Count % onePageCount > 0)
        {
            allPage += 1;
        }
        ShowOnePageMessage(1);
        return allPage;
    }

    //修改一个用户
    void ChangeUser(User newUser)
    {
        for (int i = 0; i < userMsg.Count; i++)
        {
            if (userMsg[i].user == newUser.user)
                userMsg[i] = newUser;
        }
    }

    //新增一个用户
    void AddNewMess(User newUser)
    {
        if (newUser.userType != userType) return;
        userMsg.Add(newUser);
        allPage = userMsg.Count / onePageCount;
        if (userMsg.Count % onePageCount > 0)
        {
            allPage += 1;
        }
        ShowOnePageMessage(Page);
    }

    //删除一条用户数据
    public void DeleteOneStMessage(string number,GameObject go)
    {
        for (int i = 0; i < userMsg.Count; i++)
        {
            if (userMsg[i].user == number)
                userMsg.RemoveAt(i);
        }
        ObjectPool.Instance.Destroy(go);
        showPool.Remove(go);
    }

    //删除一条记录数据
    public void DeleteOneRecordMessage(string date, GameObject go)
    {
        for (int i = 0; i < recordClasses.Count; i++)
        {
            if (recordClasses[i].msg == date)
                recordClasses.RemoveAt(i);
        }
        ObjectPool.Instance.Destroy(go);
        showPool.Remove(go);
    }


    /// <summary>
    /// 隐藏所有信息
    /// </summary>
    void HideAllMessage()
    {
        for (int i = 0; i < showPool.Count; i++)
        {
            showPool[i].SetActive(false);
        }
        ActiveMessagePage(0, 0);
    }

    void NextPage()
    {
       TurnPage(TurnPageType.Down);
    }

    void LastPage()
    {
        TurnPage(TurnPageType.Up);
    }

    void ActiveMessagePage(int currentPage, int AllPage)
    {
        if (showPage==null) return;
        LocalizationManager.SetFormatted(showPage, "第{0}页/共{1}页", currentPage, AllPage);
    }

    //翻页时  或刷新界面时从showPool中获取一个不用的子物体
    private GameObject CreatShowMessageGO()
    {
        GameObject returnGO = null;
        for (int i = 0; i < showPool.Count; i++)
        {
            if (!showPool[i].gameObject.activeSelf)
            {
                returnGO = showPool[i];
                returnGO.SetActive(true);
                return returnGO;
            }
        }
        returnGO = ObjectPool.Instance.Instantiate(showMessPrefab);
        returnGO.transform.SetParent(this.transform);
        returnGO.transform.localScale = Vector3.one;
        showPool.Add(returnGO);
        return returnGO;
    }

    void OnDisable()
    {
        HideAllMessage();
    }
}