import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter_easyrefresh/easy_refresh.dart';
import 'package:get/get.dart';
import 'package:ftrecruiter/comm/widget/my_refresh_list.dart';
import 'package:ftrecruiter/comm/widget/refresh/custom_foot_view.dart';

//Demo列表3，使用StatefulWidget+GetBuilder的方式 可以保存状态了，推荐使用
class PageFour extends StatefulWidget {
  @override
  State<StatefulWidget> createState() {
    return _GoodsListPageState();
  }
}

class _GoodsListPageState extends State<PageFour>
    with AutomaticKeepAliveClientMixin<PageFour>, SingleTickerProviderStateMixin {
  List<String> _list = List.generate(10, (index) => "1234");
  int _page = 1;
  final int _maxPage = 10;
  EasyRefreshController easyRefreshController = EasyRefreshController();

  Future _onRefresh() async {
    // 设置两秒后关闭刷新，时间可以随便设置，根据项目需求，正常在请求成功后，也要关闭
    await Future.delayed(const Duration(seconds: 2), () {
      setState(() {
        _page = 1;
        _list = List.generate(10, (index) => "1234");

        // 控制器关闭刷新功能
        easyRefreshController.finishRefresh(success: true);
      });
    });
  }

  Future _loadMore() async {
    await Future.delayed(const Duration(seconds: 2), () {
      setState(() {
        _page++;
        _list.addAll(List.generate(10, (i) => "4567"));

        // 控制器关闭加载功能，还可以设置没有更多数据noMore
        easyRefreshController.finishLoad(success: true);
      });
    });
  }

  @override
  Widget build(BuildContext context) {
    return EasyRefresh.custom(
      //创建的刷新控制器
      controller: easyRefreshController,
      //自定义刷新头
      header: ClassicalHeader(
        enableInfiniteRefresh: false,
        float: false,
        enableHapticFeedback: false,
        refreshText: "pullToRefresh",
        refreshReadyText: "releaseToRefresh",
        refreshingText: "refreshing",
        refreshedText: "refreshed",
        refreshFailedText: "refreshFailed",
        noMoreText: "noMore",
        infoText: "updateAt %T",
      ),
      //自定义刷新脚
      footer:
          // ClassicalFooter(
          //   enableInfiniteLoad: true,
          //   enableHapticFeedback: false,
          //   loadText: "pushToLoad",
          //   loadReadyText: "releaseToLoad",
          //   loadingText: "loading",
          //   loadedText: "loaded",
          //   loadFailedText: "loadFailed",
          //   noMoreText: "noMore",
          //   infoText: "updateAt %T",
          // ),
          // BallPulseFooter(),
      CustomFootView(),
      onRefresh: _onRefresh,
      onLoad: _loadMore,
      slivers: <Widget>[
        // 这里设置列表 - 可以用SliverList,这里是固定高度，使用SliverFixedExtentList更好
        SliverFixedExtentList(
          itemExtent: 100,
          delegate: SliverChildBuilderDelegate((context, index) {
            return Container(
              margin: const EdgeInsets.only(top: 10.0),
              width: double.infinity,
              height: 100,
              color: Colors.pink,
              child: Row(
                children: [
                  Text("我是列表Item:$index"),
                ],
              ),
            );
          }, childCount: _list.length),
        ),
      ],
    );
  }

  @override
  bool get wantKeepAlive => true;
}