// 本脚本只在不存在时会生成一次。组件逻辑写在当前脚本内。已存在不会再次生成覆盖 

using System.Collections.Generic;
using UnityEngine;
using FairyGUI;
using NBC;

namespace NBF
{
    public partial class VideoListPage : GComponent
    {
        public const int PageSize = 20;
        private readonly List<VideoRetData> Videos = new List<VideoRetData>();
        private GComponent _footer;
        private Controller _controller;
        public int Page = 0;

        private void OnInited()
        {
            List.itemRenderer = RenderListItem1;
            List.SetVirtual();
            List.scrollPane.onPullUpRelease.Add(OnPullUpToRefresh);
            _footer = (GComponent)List.scrollPane.footer;
            _controller = _footer.GetController("style");
        }

        private void SetList()
        {
            List.numItems = Videos.Count;
        }

        void RenderListItem1(int index, GObject obj)
        {
            if (obj is VideoEditorItem item)
            {
                
            }
            // GButton item = obj.asButton;
            // item.title = "Item " + (_list1.numItems - index - 1);
        }

        void OnPullUpToRefresh()
        {
            _controller.selectedIndex = 1;
            List.scrollPane.LockFooter(_footer.sourceHeight);

            GetList(Page + 1);
            // //Simulate a async resquest
            // Timers.inst.Add(2, 1, (object param) =>
            // {
            //     List.numItems += 5;
            //
            //     //Refresh completed
            //     _controller.selectedIndex = 0;
            //     List.scrollPane.LockFooter(0);
            // });
        }


        #region 数据

        private void GetList(int page)
        {
            if (page < 1) return;

            var dic = new Dictionary<string, string>
            {
                { "page", page.ToString() },
                { "PageSize", PageSize.ToString() }
            };
            Net.Instance.Send("/api/list", dic, ParseVideo);
        }

        private void ParseVideo(HttpResult httpResult)
        {
            _controller.selectedIndex = 0;
            List.scrollPane.LockFooter(0);
            if (httpResult.Code == 0)
            {
                var retData = httpResult.Data.ToObject<PageListData<VideoRetData>>();
                if (retData != null)
                {
                    if (retData.List.Count > 0)
                    {
                        Videos.AddRange(retData.List);
                    }

                    Page = retData.Page;
                }
            }

            SetList();
        }

        #endregion
    }
}