import 'package:flutter/material.dart';
import 'package:flutter_habit/common/I18N.dart';
import 'package:flutter_habit/common/components/PopMenus.dart';
import 'package:flutter_habit/provider/DataProvider.dart';
import 'package:flutter_habit/database/entity/ScheduledExercise.dart';
import 'package:flutter_habit/database/entity/SportInfo.dart';
import 'package:flutter_habit/database/mapper/ScheduledExerciseMapper.dart';
import 'package:flutter_habit/database/mapper/SportInfoMapper.dart';
import 'package:provider/provider.dart';

class AddScheduledExercisePage extends StatefulWidget {
  @override
  _AddScheduledExercisePageState createState() =>
      _AddScheduledExercisePageState();
}

class _AddScheduledExercisePageState extends State<AddScheduledExercisePage> {
  List<SportInfo>? spots;

  @override
  void initState() {
    
    super.initState();
    spots = [];
    loadData();
  }

  Future<void> loadData() async {
    spots = await SportInfoMapper()
        .selectAll(orderBy: "sportTimes desc,name asc, hkCalorie asc");
    setState(() {});
  }

  Future<void> onSelected(SportInfo sportInfo) async {
    TextEditingController intakeController = TextEditingController();
    String? res = await PopMenus.baseMenu(
      context: context,
      title: Text(sportInfo.getName()!),
      children: <Widget>[
        Divider(),
        Text("${I18N.of("运动次数")}: ${sportInfo.getSportTimes()}"),
        Text("${I18N.of("消耗热量")}: ${sportInfo.getHkCalorie()} (h/kcal)"),
        TextFormField(
          keyboardType: TextInputType.number,
          controller: intakeController,
          decoration: InputDecoration(
            icon: Icon(Icons.timer),
            labelText: "${I18N.of("计划运动时长")} (min)",
            hintText: I18N.of("请输入计划运动时长"),
          ),
        ),
        TextButton(
          child: Text(I18N.of("确定")),
          onPressed: () async {
            if (intakeController.text.trim().isNotEmpty &&
                double.tryParse(intakeController.text.trim()) != null) {

              // 更新次数
              SportInfo s = SportInfo();
              s.setId(sportInfo.getId());
              s.setSportTimes(sportInfo.getSportTimes()! + 1);
              await SportInfoMapper().updateByFirstKeySelective(s);

              // 插入计划
              ScheduledExercise scheduledExercise = ScheduledExercise();
              scheduledExercise.setSportId(sportInfo.getId());
              scheduledExercise.setQuantity(double.parse(intakeController.text.trim()) / 60);

              await ScheduledExerciseMapper().insert(scheduledExercise);
              await PopMenus.attention(context: context, content: Text(I18N.of("添加计划任务成功")));
              Navigator.of(context).pop("ok");
            } else {
              await PopMenus.attention(
                  context: context, content: Text(I18N.of("输入有误")));
            }
          },
        ),
      ],
      contentPadding: EdgeInsets.all(16),
    );
    if (res == "ok") {

      await Provider.of<DataProvider>(context,listen: false).loadExerciseInfoData();
      Navigator.of(context).pop();
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(I18N.of("添加计划任务")),
        actions: <Widget>[
          IconButton(
            icon: Icon(Icons.search),
            onPressed: () async {
              String? name = await showSearch<String?>(
                context: context,
                delegate: _SportSearchDelegate(spots),
              );
              await loadData();
              List<SportInfo> list =
                  spots!.where((test) => test.getName() == name).toList();
              if (list.isNotEmpty) {
                await onSelected(list.last);
              }
            },
          ),
        ],
      ),
      body: Padding(
        padding: EdgeInsets.all(16),
        child: Column(
          children: <Widget>[
            ListTile(
              leading: Icon(Icons.directions_run),
              title: Text(I18N.of("添加运动")),
              trailing: Icon(Icons.add),
              onTap: () async {
                TextEditingController nameController =
                    TextEditingController();
                TextEditingController gkCalorieController =
                    TextEditingController();
                await PopMenus.baseMenu<String>(
                  context: context,
                  title: Text(I18N.of("添加运动")),
                  children: <Widget>[
                    TextFormField(
                      controller: nameController,
                      decoration: InputDecoration(
                        icon: Icon(Icons.fitness_center),
                        labelText: I18N.of("运动名称"),
                        hintText: I18N.of("请输入运动名称"),
                      ),
                    ),
                    TextFormField(
                      keyboardType: TextInputType.number,
                      controller: gkCalorieController,
                      decoration: InputDecoration(
                        icon: Icon(Icons.whatshot),
                        labelText: "${I18N.of("消耗热量")} (h/kcal)",
                        hintText: I18N.of("请输入消耗热量"),
                      ),
                    ),
                    TextButton(
                      child: Text(I18N.of("确定")),
                      onPressed: () async {
                        if (nameController.text.trim().isNotEmpty &&
                            gkCalorieController.text.trim().isNotEmpty &&
                            double.tryParse(gkCalorieController.text.trim()) !=
                                null) {
                          SportInfo sportInfo = SportInfo();
                          sportInfo.setName(nameController.text.trim());
                          sportInfo.setHkCalorie(
                              double.parse(gkCalorieController.text.trim()));
                          sportInfo.setSportTimes(0);
                          bool isSuccess =
                              await SportInfoMapper().insert(sportInfo);
                          if (isSuccess) {
                            await loadData();
                            Navigator.of(context).pop();
                          } else {
                            await PopMenus.attention(
                                context: context,
                                content: Text(I18N.of("该运动已存在")));
                          }
                        } else {
                          await PopMenus.attention(
                              context: context, content: Text(I18N.of("输入有误")));
                        }
                      },
                    ),
                  ],
                  contentPadding: EdgeInsets.all(16),
                );
              },
            ),
            Divider(),
            Text(
              I18N.of("长按可删除运动"),
              style: Theme.of(context).textTheme.bodySmall,
            ),
            Expanded(
              child: ListView(
                children: spots!.map((i) {
                  return ListTile(
                    title: Text(i.getName()!),
                    subtitle: Text(
                        "${I18N.of("消耗热量")}: ${i.getHkCalorie()} (h/kcal)"),
                    trailing: Text("${I18N.of("运动次数")}: ${i.getSportTimes()}"),
                    onTap: () {
                      onSelected(i);
                    },
                    onLongPress: () async {
                      await PopMenus.sliderConfirm(
                        context: context,
                        content: Text(I18N.of("滑动来删除该条数据")),
                        function: () async {
                          if (i.getSportTimes() == 0) {
                            await SportInfoMapper().delete(i);
                            await loadData();
                            await PopMenus.attention(
                                context: context,
                                content: Text(I18N.of("删除成功")));
                          } else {
                            await PopMenus.attention(
                                context: context,
                                content: Text(I18N.of("您不能删除记录过的运动")));
                          }
                        },
                      );
                    },
                  );
                }).toList(),
              ),
            ),
          ],
        ),
      ),
    );
  }
}

class _SportSearchDelegate extends SearchDelegate<String?> {
  List<SportInfo>? spots;

  _SportSearchDelegate(this.spots);

  @override
  Widget buildLeading(BuildContext context) {
    
    return IconButton(
      icon: Icon(Icons.arrow_back),
      onPressed: () {
        this.close(context, null);
      },
    );
  }

  @override
  List<Widget> buildActions(BuildContext context) {
    
    return [
      IconButton(
        icon: Icon(Icons.clear),
        onPressed: () {
          query = "";
          showSuggestions(context);
        },
      ),
    ];
  }

  @override
  Widget buildResults(BuildContext context) {
    return Padding(
      padding: EdgeInsets.all(16),
      child: ListView(
        children:
            spots!.where((test) => test.getName()!.contains(query)).map((i) {
          return ListTile(
            title: Text(i.getName()!),
            subtitle: Text("${I18N.of("消耗热量")}: ${i.getHkCalorie()} (h/kcal)"),
            trailing: Text("${I18N.of("运动次数")}: ${i.getSportTimes()}"),
            onTap: () {
              this.close(context, i.getName());
            },
            onLongPress: () async {
              await PopMenus.sliderConfirm(
                context: context,
                content: Text(I18N.of("滑动来删除该条数据")),
                function: () async {
                  if (i.getSportTimes() == 0) {
                    await SportInfoMapper().delete(i);
                    await PopMenus.attention(
                        context: context, content: Text(I18N.of("删除成功")));
                    this.close(context, null);
                  } else {
                    await PopMenus.attention(
                        context: context,
                        content: Text(I18N.of("您不能删除记录过的运动")));
                  }
                },
              );
            },
          );
        }).toList(),
      ),
    );
  }

  @override
  Widget buildSuggestions(BuildContext context) {
    return buildResults(context);
  }

  @override
  ThemeData appBarTheme(BuildContext context) {
    return Theme.of(context);
  }

  @override
  
  String get searchFieldLabel => I18N.of("搜索");
}