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

import '../../../provider/feast_model.dart';
import '../../../provider/user_model.dart';
import '../../../res/colors.dart';
import '../../../route/navigator_util.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/round_button.dart';
import '../../../widgets/system_app_bar.dart';

/**
 * 套餐添加
 */
class FeastSetmealManageEditPage extends StatefulWidget {
  final String? setmealId;
  FeastSetmealManageEditPage({
    Key? key,
    this.setmealId,
  }) : super(key: key);

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

class _FeastSetmealManageEditPageState
    extends State<FeastSetmealManageEditPage> {
  TextEditingController mealNameC = TextEditingController(); //套餐名称
  FocusNode mealF = FocusNode();
  TextEditingController mealPriceC = TextEditingController(); //套餐价格
  FocusNode mealPriceF = FocusNode();
  bool canBargaining = true; //是否议价
  ScrollController controller = ScrollController();

  late FeastModel feastModel;

  @override
  void initState() {
    super.initState();
    Utils.changeStatusColor(color: MyColours.color_438E93);
    WidgetsBinding.instance.addPostFrameCallback((_) {
      _getSetmealById();
      _getSetmealClass();
    });
    bus.on("feast_setmeal_class_list", (arg) {
      _getSetmealClass();
    });
  }

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

  /// 根据ID获取宴会套餐
  _getSetmealById({bool isShowLoading = true}) async {
    Map<String, String?> params = {"id": widget.setmealId};
    bool success = await feastModel.getSetmealById(context, params,
        isShowLoading: isShowLoading);
    if (success) {
      mealNameC.text = feastModel.setmealDetail!.mealName??"";
      mealPriceC.text = feastModel.setmealDetail!.price??"";
      canBargaining = feastModel.setmealDetail!.bargaining == '1' ? true : false;
      setState(() {});
    }
  }

  /// 获取宴会套餐菜品分类列表
  _getSetmealClass({bool isShowLoading = true}) async {
    Map<String, String?> params = {"mid": widget.setmealId};
    await feastModel.getSetmealClass(context, params,
        isShowLoading: isShowLoading);
  }

  ///修改套餐基本信息
  _setSetmeal() async {
    Map<String, String?> params = {
      "sid": Provider.of<UserModel>(context, listen: false).user!.sellerid,
      'meal_name': mealNameC.text,
      'price': mealPriceC.text,
      'bargaining': canBargaining ? '1' : '0'
    };

    params['id'] = widget.setmealId;

    bool success = await feastModel.setSetmeal(context, params) ;
    if (success) {
      Utils.showToast('保存成功');
      bus.emit('feast_setmeal_list');

      // _getWine(isShowLoading: true);
    }
  }

  ///添加宴会套餐菜品分类
  _setSetmealClass(String? name) async {
    Map<String, String?> params = {
      "sid": Provider.of<UserModel>(context, listen: false).user!.sellerid,
      'meal_name': name,
      'mid': widget.setmealId
    };

    // params['id'] = widget.setmealId;

    bool success = await feastModel.setSetmealClass(context, params) ;
    if (success) {
      Utils.showToast('添加成功');
      bus.emit('feast_setmeal_class_list');
    }
  }

  ///请输入
  ///输入框
  Widget _textfield(
      String title,
      String hintText,
      TextEditingController editingController,
      FocusNode focusNode,
      String subTitle,
      {TextInputType inputType = TextInputType.text}) {
    return Container(
      height: w(48),
      margin: EdgeInsets.only(top: w(12)),
      decoration: BoxDecoration(
          border: Border(
              bottom:
                  BorderSide(width: h(0.5), color: MyColours.color_E7E7E7))),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        children: [
          Container(
            width: w(81),
            height: w(48),
            alignment: Alignment.center,
            child: Text(
              title,
              style: TextStyle(
                  fontSize: ScreenUtil().setSp(32),
                  color: MyColours.color_E5000000),
            ),
          ),
          HEmptyView(32),
          Expanded(
            child: Container(
                // height: ScreenUtil().setHeight(120),
                height: w(48),
                padding: EdgeInsets.only(top: w(4)),
                child: TextField(
                  controller: editingController,
                  // textAlign: TextAlign.right,
                  // textAlignVertical: TextAlignVertical.bottom,
                  maxLines: 1,
                  inputFormatters: [],

                  // //光标颜色
                  // cursorColor:
                  //     widget.isSelect ? Colors.white : MyColours.color_199095,
                  //输入文本的样式
                  style: TextStyle(
                      fontSize: ScreenUtil().setSp(32),
                      color: MyColours.color_515151),
                  focusNode: focusNode,
                  decoration: InputDecoration(
                    border: OutlineInputBorder(borderSide: BorderSide.none),
                    hintText: hintText,
                    hintStyle: TextStyle(
                      color: hintText == '请输入'
                          ? MyColours.color_999999
                          : MyColours.color_515151,
                      fontSize: ScreenUtil().setSp(32),
                    ),
                    contentPadding: EdgeInsets.zero,
                  ),
                  onChanged: (value) {
                    if (title == '套餐名称') {
                      mealNameC.text = value;
                      mealNameC.value = TextEditingValue(
                          text: mealNameC.text,
                          selection: TextSelection.fromPosition(TextPosition(
                            affinity: TextAffinity.downstream,
                            offset: mealNameC.text.length,
                          )));
                      setState(() {});
                    }
                  },
                  onEditingComplete: () {
                    FocusScope.of(context)
                        .requestFocus(FocusNode()); //点击空白处隐藏键盘
                  },
                  keyboardType: inputType,
                )),
          ),
          Spacer(),
          Container(
            padding: EdgeInsets.only(left: w(16), right: w(12)),
            child: Text(
              subTitle,
              style: TextStyle(
                  color: MyColours.color_000000,
                  fontSize: ScreenUtil().setSp(32)),
            ),
          ),
        ],
      ),
    );
  }

  Widget buildFeastTypeItem(GetSetmealClassSunModel data, int index) {
    return Container(
      height: h(48),
      margin: EdgeInsets.only(bottom: w(12)),
      decoration: BoxDecoration(
          border: Border(
              bottom:
                  BorderSide(width: w(0.5), color: MyColours.color_E7E7E7))),
      child: Row(
        children: [
          Text(
            '${data.className} ' +
                (data.cook == null || data.cook!.length == 0
                    ? ''
                    : '(${data.cook!.length}道)'),
            style:
                TextStyle(fontSize: font(16), color: MyColours.color_E5000000),
          ),
          Spacer(),
          InkWell(
              onTap: () {
                NavigatorUtil.goFeastDishPage(
                    context, widget.setmealId, data.id);
              },
              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.className, lCallback: () {
                  print("取消");
                }, rCallback: () async {
                  print("确定");
                  Map<String, String?> pramas = {'id': data.id};
                  bool success =
                      await feastModel.delSetmealClass(context, pramas) ;
                  if (success) {
                    Utils.showToast('删除成功');
                    _getSetmealClass(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,
        appBar: SystemAppBar(
          mealNameC.text,
          needWhite: true,
          bgColor: MyColours.color_438E93,
          titleColor: MyColours.color_F6F6F6,
          onTap: () {
            if (Navigator.canPop(context)) {
            Navigator.pop(context);
            }
          },
        ),
        body: Column(
          children: [
            Expanded(
                child: Padding(
                    padding: EdgeInsets.only(
                      left: w(16),
                    ),
                    child: SingleChildScrollView(
                        controller: controller,
                        child: Column(
                          crossAxisAlignment: CrossAxisAlignment.start,
                          children: [
                            _textfield('套餐名称', '请输入', mealNameC, mealF, ''),
                            _textfield(
                                '套餐价格', '请输入', mealPriceC, mealPriceF, '元',
                                inputType: TextInputType.numberWithOptions(
                                    decimal: true)),
                            Container(
                              height: w(48),
                              margin: EdgeInsets.only(top: w(12)),
                              decoration: BoxDecoration(
                                  border: Border(
                                      bottom: BorderSide(
                                          width: h(0.5),
                                          color: MyColours.color_E7E7E7))),
                              child: Row(
                                mainAxisAlignment:
                                    MainAxisAlignment.spaceBetween,
                                children: [
                                  Container(
                                    width: w(81),
                                    height: w(48),
                                    alignment: Alignment.center,
                                    child: Text(
                                      '是否议价',
                                      style: TextStyle(
                                          fontSize: ScreenUtil().setSp(32),
                                          color: MyColours.color_E5000000),
                                    ),
                                  ),
                                  Spacer(),
                                  InkWell(
                                      onTap: () {
                                        setState(() {
                                          canBargaining = !canBargaining;
                                        });
                                      },
                                      child: Container(
                                          padding: EdgeInsets.only(
                                              left: w(16), right: w(16)),
                                          child: Image.asset(
                                            Utils.getImgPath(canBargaining
                                                ? 'swich_on'
                                                : 'swich_off'),
                                            width: w(44),
                                          ))),
                                ],
                              ),
                            ),
                            VEmptyView(52),
                            Text(
                              '套餐菜品',
                              style: TextStyle(
                                  fontSize: ScreenUtil().setSp(32),
                                  color: MyColours.color_999999),
                            ),
                            VEmptyView(30),
                            RoundButton(
                              onPressed: () async {
                                DialogUtil.textfeildAlertDialog(context,
                                    title: '菜品分类',
                                    hintText: '输入分类名称',
                                    text: '',
                                    lenghtLimit: false,
                                    toast: '请输入分类名称', rCallback: (name) {
                                  // _addCookbookClass(name, showLoading: true);

                                  _setSetmealClass(name as String?);
                                });
                              },
                              text: '添加菜品分类',
                              fontSize: 32,
                              isBold: false,
                              height: h(32),
                              width: w(112),
                              textColor: MyColours.color_438E93,
                              gradientStart: MyColours.color_ffffff,
                              gradientEnd: MyColours.color_ffffff,
                              borderColor: MyColours.color_438E93,
                              radius: r(6),
                            ),
                            VEmptyView(14),
                            ListView.builder(
                                itemCount: feastModel.setmealClassData!.length,
                                shrinkWrap: true,
                                controller: controller,
                                itemBuilder: (BuildContext context, int index) {
                                  GetSetmealClassSunModel data =
                                      feastModel.setmealClassData![index];
                                  return buildFeastTypeItem(data, index);
                                })
                          ],
                        )))),
            Row(
              children: [
                Expanded(
                    child: _callButton(
                        onPress: () {
                          if (Navigator.canPop(context)) {
                          Navigator.pop(context);
                          }
                        },
                        content: '返回',
                        hasLeftBorder: true,
                        isSelect: false)),
                Expanded(
                    child: _callButton(
                        onPress: () {
                          if (mealNameC.text.trim().length == 0) {
                            Utils.showToast('请输入套餐名称');
                            return;
                          }
                          if (mealPriceC.text.trim().length == 0) {
                            Utils.showToast('请输入套餐价格');
                            return;
                          }

                          FocusScope.of(context)
                              .requestFocus(FocusNode()); //点击空白处隐藏键盘
                          _setSetmeal();
                        },
                        content: '保存',
                        hasLeftBorder: true,
                        isSelect: true))
              ],
            )
          ],
        ));
  }
}