import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:one_key/models/wine_model.dart';
import 'package:one_key/route/navigator_util.dart';
import 'package:one_key/widgets/v_empty_view.dart';
import 'package:provider/provider.dart';

import '../../../constant/state.dart';
import '../../../provider/feast_model.dart';
import '../../../provider/user_model.dart';
import '../../../res/colors.dart';
import '../../../utils/dialog_util.dart';
import '../../../utils/event_bus.dart';
import '../../../utils/screen_util.dart';
import '../../../utils/utils.dart';
import '../../../widgets/h_empty_view.dart';
import '../../../widgets/page_exception.dart';
import '../../../widgets/round_button.dart';
import '../../../widgets/system_app_bar.dart';

/**
 * 酒水管理
 */

class FeastWineManagePage extends StatefulWidget {
  FeastWineManagePage({Key? key}) : super(key: key);

  @override
  _FeastWineManagePageState createState() => _FeastWineManagePageState();
}

class _FeastWineManagePageState extends State<FeastWineManagePage> {
  late FeastModel feastModel;
  @override
  void initState() {
    super.initState();
    Utils.changeStatusColor(color: MyColours.color_438E93);
    WidgetsBinding.instance.addPostFrameCallback((_) {
      _getWine();
      // scrollController.jumpTo(scrollController.position.minScrollExtent);
    });
    bus.on("feast_wine_list", (arg) {
      _getWine();
    });
  }

  @override
  void dispose() {
    bus.off('feast_wine_list');
    super.dispose();
  }

  ///获取酒水
_getWine({bool isShowLoading = true}) async {
    await feastModel.getWine(context, isShowLoading: isShowLoading);
  }

  Widget buildFeastTypeHeader() {
    return RoundButton(
      onPressed: () async {
        NavigatorUtil.goFeastWineManageEditPage(
          context,
        );
      },
      text: '添加一项',
      fontSize: 32,
      isBold: false,
      height: h(32),
      width: w(80),
      margin: EdgeInsets.only(top: w(18), bottom: w(4)),
      textColor: MyColours.color_438E93,
      gradientStart: MyColours.color_ffffff,
      gradientEnd: MyColours.color_ffffff,
      borderColor: MyColours.color_438E93,
      radius: r(6),
    );
  }

  Widget buildFeastTypeItem(WineSunModel data, int index) {
    return Container(
      height: h(48),
      margin: EdgeInsets.only(top: w(12)),
      decoration: BoxDecoration(
          border: Border(
              bottom:
                  BorderSide(width: w(0.5), color: MyColours.color_E7E7E7))),
      child: Row(
        children: [
          Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Text(
                data.wineName!,
                style: TextStyle(
                    fontSize: font(16), color: MyColours.color_E6000000),
              ),
              VEmptyView(12),
              Text(
                // '剑南春52度500ml', '1150元/份  不可议价'
                '${data.price}元/${data.spec}  ${data.bargaining == '1' ? '可议价' : '不可议价'}',
                style: TextStyle(
                    fontSize: font(12), color: MyColours.color_999999),
              )
            ],
          ),
          Spacer(),
          InkWell(
              onTap: () {
                NavigatorUtil.goFeastWineManageEditPage(context,
                    isNew: false, wineSunModel: data);
              },
              child: Text(
                '修改',
                style: TextStyle(
                    decoration: TextDecoration.underline,
                    fontSize: font(16),
                    color: MyColours.color_438E93),
              )),
          HEmptyView(32),
          InkWell(
              onTap: () {
                //已经传到服务器，弹提醒窗口，是否删除
                //修改之前有内容，则弹框
                DialogUtil.cupertinoAlertDialogFeast(context,
                    rTitle: '删除',
                    title: "是否确认删除",
                    content: data.wineName, lCallback: () {
                  print("取消");
                }, rCallback: () async {
                  print("确定");
                  Map<String, String?> pramas = {'id': data.id};
                  bool success = await feastModel.delWine(context, pramas) ;
                  if (success) {
                    Utils.showToast('删除成功');
                    _getWine(isShowLoading: true);
                  }
                });
              },
              child: Image.asset(
                Utils.getImgPath('f_delete_red'),
                width: w(32),
                height: w(32),
              )),
          HEmptyView(32),
        ],
      ),
    );
  }

  Widget _callButton(
      {GestureTapCallback? onPress,
      required content,
      hasLeftBorder = true,
      isSelect = false}) {
    return InkWell(
      onTap: onPress,
      child: Container(
        height: h(48),
        decoration: BoxDecoration(
            color: isSelect ? MyColours.color_438E93 : MyColours.color_ffffff,
            border: Border(
                bottom: BorderSide(
                    color: MyColours.color_438E93,
                    width: ScreenUtil().setWidth(2)),
                top: BorderSide(
                    color: MyColours.color_438E93,
                    width: ScreenUtil().setWidth(2)),
                left: hasLeftBorder
                    ? BorderSide(
                        color: MyColours.color_438E93,
                        width: ScreenUtil().setWidth(2))
                    : BorderSide.none,
                right: BorderSide(
                    color: MyColours.color_438E93,
                    width: ScreenUtil().setWidth(2)))),
        child: Align(
          alignment: Alignment.center,
          child: Text(
            content,
            style: TextStyle(
                color:
                    isSelect ? MyColours.color_F6F6F6 : MyColours.color_438E93,
                fontSize: ScreenUtil().setSp(36)),
          ),
        ),
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    feastModel = Provider.of<FeastModel>(context, listen: true);
    return Scaffold(
        backgroundColor: MyColours.color_ffffff,
        resizeToAvoidBottomInset: false,

        /// 这里必须禁止重绘
        appBar: SystemAppBar(
          '酒水管理',
          needWhite: true,
          bgColor: MyColours.color_438E93,
          titleColor: MyColours.color_F6F6F6,
          onTap: () {
            if (Navigator.canPop(context)) {
            Navigator.pop(context);
            }
          },
        ),
        body: Column(
          children: [
            Expanded(
                child: NestedScrollView(
                    // controller: _scrollViewController,
                    headerSliverBuilder:
                        (BuildContext context, bool innerBoxIsScrolled) {
              return <Widget>[
                SliverAppBar(
                  pinned: true,
                  floating: false,
                  leading: null,
                  backgroundColor: MyColours.color_ffffff,
                  expandedHeight: ScreenUtil().setWidth(56 * 2),
                  automaticallyImplyLeading: false,
                  title: buildFeastTypeHeader(),
                  // flexibleSpace: FlexibleSpaceBar(
                  //     collapseMode: CollapseMode.pin,
                  //     title: buildFeastTypeHeader())
                )
              ];
            }, body: Consumer<FeastModel>(builder: (context, model, _) {
              if (model.pageStateWine != PageState.Success) {
                return ExceptionPage(
                  pageState: model.pageStateWine,
                  callback: () {
                    _getWine();
                  },
                  emptyMsg: "暂时没有酒水哦",
                  emptyImg: "empty_search",
                  showMsg: "加载中，请稍候...",
                );
              } else {
                return ListView.builder(
                    itemCount: feastModel.wineData!.length,
                    padding: EdgeInsets.only(left: w(16)),
                    itemBuilder: (BuildContext context, int index) {
                      WineSunModel data = feastModel.wineData![index];
                      return buildFeastTypeItem(data, index);
                      // '剑南春52度500ml', '1150元/份  不可议价'
                    });
              }
            }))),
            // Row(
            //   children: [
            //     Expanded(
            //         child: _callButton(
            //             onPress: () {
            //               Navigator.pop(context);
            //             },
            //             content: '返回',
            //             hasLeftBorder: true,
            //             isSelect: false)),
            //     Expanded(
            //         child: _callButton(
            //             onPress: () {},
            //             content: '保存',
            //             hasLeftBorder: true,
            //             isSelect: true))
            //   ],
            // )
          ],
        ));
  }
}