YYHome/packages/cpt_payment/lib/modules/payment/manage/manage_view_model.dart

import 'package:plugin_platform/engine/dialog/dialog_engine.dart';
import 'package:plugin_platform/engine/toast/toast_engine.dart';
import 'package:riverpod_annotation/riverpod_annotation.dart';
import 'package:shared/utils/log_utils.dart';
import 'package:widgets/dialog/app_default_dialog.dart';
import 'package:widgets/load_state_layout.dart';
import 'package:widgets/widget_export.dart';

import '../../add_card/add_card_page.dart';
import 'manage_state.dart';

part 'manage_view_model.g.dart';

@riverpod
class ManageViewModel extends _$ManageViewModel {
  var _curPage = 1; //请求参数当前的页面
  var _needShowPlaceholder = true; //是否展示LoadingView

  // Refresh 控制器
  final EasyRefreshController refreshController = EasyRefreshController(
    controlFinishRefresh: true, //允许刷新
    controlFinishLoad: true, //允许加载
  );

  @override
  ManageState build() {
    return ManageState(datas: []);
  }

  //刷新页面状态
  void changeLoadingState(LoadState loadState, String? errorMsg) {
    state = state.copyWith(loadingState: loadState, errorMessage: errorMsg);
  }

  // Refresh 刷新事件
  Future onRefresh() async {
    _curPage = 1;
    fetchList();
  }

  // Refresh 加载事件
  Future loadMore() async {
    _curPage++;
    fetchList();
  }

  // 重试请求
  Future retryRequest() async {
    _curPage = 1;
    _needShowPlaceholder = true;
    fetchList();
  }

  /// 获取服务器数据
  Future fetchList() async {
    if (_needShowPlaceholder) {
      changeLoadingState(LoadState.State_Loading, null);
    }

    // 获取 Applied 列表
    // var listResult = await _jobRepository.fetchJobAppliedList(
    //   state.jobId,
    //   state.selectedStatusId,
    //   state.keyword,
    //   curPage: _curPage,
    //   cancelToken: cancelToken,
    // );
    //
    // // 处理数据
    // if (listResult.isSuccess) {
    //   handleList(listResult.data?.rows);
    // } else {
    //   errorMessage = listResult.errorMsg;
    //   changeLoadingState(LoadState.State_Error);
    // }

    await Future.delayed(const Duration(milliseconds: 1500));

    final List<bool> list = [true, false, false, false];

    if (_curPage == 1) {
      //刷新的方式
      state = state.copyWith(datas: list);
      refreshController.finishRefresh();

      //更新展示的状态
      changeLoadingState(LoadState.State_Success, null);
    } else {
      //加载更多
      final allList = state.datas;
      allList.addAll(list);
      state.datas.addAll(list);

      refreshController.finishLoad();

      state = state.copyWith(datas: allList);
    }

    // 最后赋值
    _needShowPlaceholder = false;
  }

// 处理数据与展示的逻辑
// void handleList(List<JobAppliedListSGRows>? list) {
//   if (list != null && list.isNotEmpty) {
//     //有数据，判断是刷新还是加载更多的数据
//     if (_curPage == 1) {
//       //刷新的方式
//       state.datas.clear();
//       state.datas.addAll(list);
//       refreshController.finishRefresh();
//
//       //更新展示的状态
//       changeLoadingState(LoadState.State_Success);
//     } else {
//       //加载更多
//       state.datas.addAll(list);
//       refreshController.finishLoad();
//       update();
//     }
//   } else {
//     if (_curPage == 1) {
//       //展示无数据的布局
//       state.datas.clear();
//       changeLoadingState(LoadState.State_Empty);
//       refreshController.finishRefresh();
//     } else {
//       //展示加载完成，没有更多数据了
//       refreshController.finishLoad(IndicatorResult.noMore);
//     }
//   }
// }

  //设置为主卡
  void setAsPrimary(int index) {
    bool isPrimary = state.datas[index];

    if (!isPrimary) {
      // 创建数据列表的副本
      List<bool> newDataList = List.from(state.datas);

      //先全部设置为 false
      for (int i = 0; i < newDataList.length; i++) {
        newDataList[i] = false;
      }

      //再把当前索引设置为 true
      newDataList[index] = true;

      state = state.copyWith(datas: newDataList);
    }
  }

  // 删除提示弹窗
  void showDeleteDialog(int index) {
    DialogEngine.show(
        widget: AppDefaultDialog(
      message: "Are you sure you want to delete this Card?",
      confirmAction: () {
        ToastEngine.show("点击了确定");
      },
    ));
  }

  //去添加新卡的页面
  void gotoAddCardPage() {
    AddCardPage.startInstance();
  }

}