import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:one_key/models/get_setmeal_class_by_id_model.dart';
import 'package:one_key/models/setmeal_by_id_model.dart';
import 'package:one_key/models/setmeal_model.dart';
import 'package:one_key/widgets/MyDivider.dart';
import 'package:one_key/widgets/h_empty_view.dart';
import 'package:provider/provider.dart';

import '../../constant/state.dart';
import '../../models/feast_menu_set_model.dart';
import '../../provider/feast_model.dart';
import '../../res/colors.dart';
import '../../utils/screen_util.dart';
import '../../utils/utils.dart';
import '../../widgets/page_exception.dart';
import '../../widgets/system_app_bar.dart';
import '../../widgets/v_empty_view.dart';

/**
 * 
 * 菜单信息
 */
class FeastMenuShowPage extends StatefulWidget {
  final String setmealId;
  final String mealName;
  final String dateData;
  final String needtable;

  final Map<String, List<Cook>> justSelData;
  FeastMenuShowPage(
      {Key key,
      this.setmealId,
      this.mealName,
      this.dateData,
      this.needtable,
      this.justSelData})
      : super(key: key);

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

class _FeastMenuShowPageState extends State<FeastMenuShowPage> {
  ScrollController controller = ScrollController();
  FeastModel feastModel;
  Map<String, List<Cook>> data = {};
  List<String> classNames = [];
  List<Map<String, String>> setModel = [];

  Map<String, List<Cook>> dataNew = {};

  @override
  void initState() {
    // TODO: implement initState
    super.initState();

    Utils.changeStatusColor(color: MyColours.color_438E93);
    WidgetsBinding.instance.addPostFrameCallback((_) {
      _getSetmealById();
    });
  }

  /// 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) {
      if (widget.justSelData.length > 0) {
        data = widget.justSelData;
        data.forEach((key, value) {
          classNames.add(key);
        });
      } else {
        for (ClassifyById item in feastModel.setmealDetail.classify) {
          // Map<String, List<Cook>> map = {};
          String cid = item.id;
          String className = item.className;

          List<Cook> temp = [];
          for (Cook itemCook in feastModel.setmealDetail.cook) {
            if (cid == itemCook.cid) {
              temp.add(itemCook);
            }
          }
          classNames.add(className);
          data[className] = temp;
        }
      }
      feastModel.pageStateMenu = PageState.Success;
      setState(() {});
    }
  }

  Widget _callButton(
      {GestureTapCallback onPress,
      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)),
          ),
        ),
      ),
    );
  }

  // 根据index展示不同的widget
  Widget buildItemWidget(BuildContext context, int index) {
    return _itemBuildWidget(context, index);
  }

  ///输入框
  Widget _textfield(String hintText, TextEditingController editingController,
      FocusNode focusNode,
      {TextInputType inputType = TextInputType.text, double width}) {
    return Container(
      width: width,
      padding: EdgeInsets.symmetric(horizontal: w(6)),
      decoration: BoxDecoration(
          border: Border.all(width: h(1), color: MyColours.color_DBDBDB)),
      child: Container(
          // height: ScreenUtil().setHeight(120),
          height: ScreenUtil().setWidth(64),
          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),
            ),
            focusNode: focusNode,
            decoration: InputDecoration(
              border: OutlineInputBorder(borderSide: BorderSide.none),
              hintText: hintText,
              hintStyle: TextStyle(
                color: hintText == '菜名' || hintText == '数量'
                    ? MyColours.color_999999
                    : MyColours.color_515151,
                fontSize: ScreenUtil().setSp(24),
              ),
              contentPadding: EdgeInsets.zero,
            ),
            onChanged: (value) {},
            onEditingComplete: () {
              FocusScope.of(context).requestFocus(FocusNode()); //点击空白处隐藏键盘
            },
            keyboardType: inputType,
          )),
    );
  }

  Widget _itemBuildWidget(BuildContext context, int index1) {
    List<Cook> cookList = data[classNames[index1]];
    return ListView.builder(
      shrinkWrap: true,
      controller: controller,
      // padding: EdgeInsets.only(right: w(12)),
      itemCount: cookList.length + 1,
      itemBuilder: (BuildContext context, int index) {
        if (index < 1) {
          return _buildHeaderWidget(context, classNames[index1]);
        } else {
          int itemIndex = index - 1;
          Cook setmeal = cookList[itemIndex];

          return Container(
            margin: new EdgeInsets.only(bottom: h(12)),
            color: MyColours.color_ffffff,
            child: new GestureDetector(
              onTap: () {
                // _gotoProjectDetail(projectModelList[index]);
              },
              child: new Container(
                  color: MyColours.color_ffffff,
                  child: Row(
                    children: [
                      Container(
                          width: h(119),
                          child: Text(
                            setmeal.cname,
                            overflow: TextOverflow.ellipsis,
                            maxLines: 10,
                            style: TextStyle(
                                color: MyColours.color_515151,
                                fontSize: ScreenUtil().setSp(32)),
                          )),
                      HEmptyView(16),
                      Container(
                          width: h(36),
                          child: Text(
                            '${setmeal.spec}',
                            overflow: TextOverflow.ellipsis,
                            maxLines: 1,
                            style: TextStyle(
                                color: MyColours.color_515151,
                                fontSize: ScreenUtil().setSp(32)),
                          )),
                    ],
                  )),
            ),
          );
        }
      },
    );
  }

  // // 总count数
  // int _getItemListCount() {
  //   return data.length + 1;
  // }

  // header内容
  Widget _buildHeaderWidget(BuildContext context, String title) {
    return Padding(
        padding: EdgeInsets.only(bottom: h(12)),
        child: Text(
          title,
          style: TextStyle(
              color: MyColours.color_515151,
              fontSize: font(16),
              fontWeight: FontWeight.bold),
        ));
  }

  @override
  Widget build(BuildContext context) {
    feastModel = Provider.of(context);
    return Scaffold(
        backgroundColor: MyColours.color_ffffff,
        appBar: SystemAppBar(
          '查看菜单',
          needWhite: true,
          bgColor: MyColours.color_438E93,
          titleColor: MyColours.color_F6F6F6,
          onTap: () {
            Navigator.pop(context);
          },
        ),
        body: Consumer<FeastModel>(builder: (context, model, _) {
          if (model.pageStateMenu != PageState.Success) {
            return ExceptionPage(
              pageState: model.pageStateMenu,
              callback: () {
                _getSetmealById();
              },
              emptyMsg: "暂时没有菜单信息哦",
              emptyImg: "empty_search",
              showMsg: "加载中，请稍后...",
            );
          } else {
            return SingleChildScrollView(
              controller: controller,
              child: Padding(
                  padding: EdgeInsets.only(left: w(16)),
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      VEmptyView(20),
                      Container(
                        width: double.infinity,
                        height: h(48),
                        alignment: Alignment.centerLeft,
                        child: Text(
                          widget.mealName,
                          style: TextStyle(
                              color: MyColours.color_E6000000,
                              fontSize: font(16)),
                        ),
                        decoration: BoxDecoration(
                            border: Border(
                                bottom: BorderSide(
                                    width: h(0.5),
                                    color: MyColours.color_E7E7E7))),
                      ),
                      VEmptyView(22),
                      Container(
                        width: double.infinity,
                        height: h(48),
                        alignment: Alignment.centerLeft,
                        child: Text(
                          widget.dateData,
                          style: TextStyle(
                              color: MyColours.color_E6000000,
                              fontSize: font(16)),
                        ),
                        decoration: BoxDecoration(
                            border: Border(
                                bottom: BorderSide(
                                    width: h(0.5),
                                    color: MyColours.color_E7E7E7))),
                      ),
                      widget.needtable.isEmpty ? SizedBox() : VEmptyView(22),
                      widget.needtable.isEmpty
                          ? SizedBox()
                          : Container(
                              width: double.infinity,
                              height: h(48),
                              child: Text(
                                widget.needtable,
                                style: TextStyle(
                                    color: MyColours.color_E6000000,
                                    fontSize: font(16)),
                              ),
                              decoration: BoxDecoration(
                                  border: Border(
                                      bottom: BorderSide(
                                          width: h(0.5),
                                          color: MyColours.color_E7E7E7))),
                            ),
                      VEmptyView(36),
                      ListView.builder(
                        shrinkWrap: true,
                        controller: controller,
                        padding: EdgeInsets.only(right: w(12)),
                        itemCount: data.length,
                        itemBuilder: (BuildContext context, int index) {
                          return buildItemWidget(context, index);
                        },
                      )
                    ],
                  )),
            );
          }
        }));
  }
}