// 本脚本只在不存在时会生成一次。已存在不会再次生成覆盖

using System.Collections.Generic;
using FairyGUI;
using NBC;
using UIPanel = NBC.UIPanel;

namespace NBF
{
    public class ListDataBase
    {
        public string title;
    }

    public class ShopGearData : ListDataBase
    {
    }

    public partial class FishingShopPanel : UIPanel
    {
        public override string UIPackName => "Shop";
        public override string UIResName => "FishingShopPanel";

        private List<ListDataBase> _data = new List<ListDataBase>();

        protected override void OnInit()
        {
            base.OnInit();
            this.AutoAddClick(OnClick);
            Menu.OnClose += Hide;

            for (int i = 0; i < 10; i++)
            {
                var data = new ListDataBase();
                data.title = "Title" + i;
                _data.Add(data);
                for (int j = 0; j < 30; j++)
                {
                    var item = new ShopGearData();
                    item.title = $"Item {i}-" + j;
                    _data.Add(item);
                }
            }

            // List.SetVirtual();
            List.itemProvider = GetListItemResource;
            List.itemRenderer = OnRenderItem;
            List.numItems = _data.Count;
        }

        protected override void OnShow()
        {
            base.OnShow();
        }

        void OnRenderItem(int index, GObject obj)
        {
            if (obj is ListTitleItem titleItem)
            {
                titleItem.width = List.width - 60;
                titleItem.height = 47;
            }
            // else
            // {
            //     obj.width = 224;
            //     obj.height = 320;
            // }
        }

        //根据索引的不同，返回不同的资源URL
        string GetListItemResource(int index)
        {
            var itemData = _data[index];
            
            if (itemData is ShopGearData shopItem)
            {
                return ShopGearItem.URL;
            }

            if (itemData is ListDataBase item)
            {
                return ListTitleItem.URL;
            }

            return List.defaultItem;
        }

        private void OnClick(GComponent btn)
        {
            // if (btn == BtnClose)
            // {
            //     Hide();
            // }
        }

        protected override void OnHide()
        {
            base.OnHide();
        }

        protected override void OnDestroy()
        {
            base.OnDestroy();
        }
    }
}