mobile-app/lib/presentation/screens/actions/nursery/sc_edit_action_nursery.dart

import 'dart:convert';

import 'package:farm_tpf/custom_model/Media.dart';
import 'package:farm_tpf/custom_model/Nursery.dart';
import 'package:farm_tpf/custom_model/NurseryDetail.dart';
import 'package:farm_tpf/data/api/app_exception.dart';
import 'package:farm_tpf/data/repository/repository.dart';
import 'package:farm_tpf/models/index.dart';
import 'package:farm_tpf/presentation/custom_widgets/bloc/media_helper_bloc.dart';
import 'package:farm_tpf/presentation/custom_widgets/widget_loading.dart';
import 'package:farm_tpf/presentation/custom_widgets/widget_media_picker.dart';
import 'package:farm_tpf/presentation/screens/actions/bloc/action_detail_bloc.dart';
import 'package:farm_tpf/presentation/screens/actions/nursery/bloc/expansion_list_bloc.dart';
import 'package:farm_tpf/presentation/screens/actions/state_management_helper/change_file_controller.dart';
import 'package:farm_tpf/presentation/screens/actions/state_management_helper/change_supply.dart';
import 'package:farm_tpf/presentation/screens/resources/sc_resource_helper.dart';
import 'package:farm_tpf/utils/bloc/bloc/status_add_form_bloc.dart';
import 'package:farm_tpf/utils/const_color.dart';
import 'package:farm_tpf/utils/const_common.dart';
import 'package:farm_tpf/utils/const_string.dart';
import 'package:farm_tpf/utils/const_style.dart';
import 'package:farm_tpf/utils/pref.dart';
import 'package:farm_tpf/utils/validators.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter_cache_manager/flutter_cache_manager.dart';
import 'package:flutter_datetime_picker/flutter_datetime_picker.dart';
import 'package:get/get.dart';
import 'package:get/state_manager.dart';
import 'package:intl/intl.dart';
import 'package:keyboard_dismisser/keyboard_dismisser.dart';
import 'package:mime/mime.dart';
import 'package:pattern_formatter/pattern_formatter.dart';
import 'package:farm_tpf/utils/formatter.dart';

class EditActionNurseryScreen extends StatefulWidget {
  final int cropId;
  final bool isEdit;
  final int activityId;
  EditActionNurseryScreen(
      {@required this.cropId, this.isEdit = false, this.activityId});
  @override
  _EditActionNurseryState createState() => _EditActionNurseryState();
}

class _EditActionNurseryState extends State<EditActionNurseryScreen> {
  final GlobalKey<ScaffoldState> _scaffoldKey = new GlobalKey<ScaffoldState>();
  final _repository = Repository();
  GlobalKey<FormState> _formKey = GlobalKey();
  bool _autoValidate = false;
  Nursery _nursery = Nursery();
  var pref = LocalPref();
  TextEditingController _substrateController = TextEditingController();
  TextEditingController _seedLengthController = TextEditingController();
  TextEditingController _quantityController = TextEditingController();
  TextEditingController _seedIncubationTimeController = TextEditingController();
  TextEditingController _descriptionController = TextEditingController();
  TextEditingController _workerNameController = TextEditingController();
  TextEditingController _trayNumberController = TextEditingController();
  String executeTimeView;
  DateTime executeTime = DateTime.now();
  List<NurseryDetail> currentNurseryDetail = List<NurseryDetail>();
  int currentIndexUpdate = -1;
  bool isResetForm = true;
  final changeSupply = Get.put(ChangeSupply());
  int selectedSupplyId = -1;
  List<String> filePaths = List<String>();
  var changeFileController = Get.put(ChangeFileController());

  @override
  void initState() {
    super.initState();
    changeSupply.initValue();
    changeFileController.initValue();
    _nursery.nurseryDetail = new List<NurseryDetail>();
    //UPDATE
    if (_nursery.id != null) {
      try {
        executeTime =
            DateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'").parse(_nursery.executeDate);
      } catch (_) {}
    } else {
      //ADD NEW
      var parsedExecuteDate =
          DateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'").format(executeTime);
      _nursery.executeDate = "$parsedExecuteDate";
    }
    executeTimeView = DateFormat("dd/MM/yyyy HH:mm").format(executeTime);
    _nursery.cropId = widget.cropId;
  }

  _validateInputs() async {
    if (_formKey.currentState.validate()) {
      _formKey.currentState.save();
      LoadingDialog.showLoadingDialog(context);
      _nursery.nurseryDetail = currentNurseryDetail;
      filePaths = Get.find<ChangeFileController>().files;
      var activityNursery = jsonEncode(_nursery.toJson()).toString();
      //ADD NEW
      if (_nursery.activityId == null) {
        _repository.createNursery((value) {
          LoadingDialog.hideLoadingDialog(context);
          Get.back();
          Get.snackbar(label_add_success, "Hoạt động ươm",
              snackPosition: SnackPosition.BOTTOM);
        }, (error) {
          LoadingDialog.hideLoadingDialog(context);
          _scaffoldKey.currentState.showSnackBar(SnackBar(
            content: Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: <Widget>[
                Flexible(child: Text(AppException.handleError(error))),
                Icon(Icons.error),
              ],
            ),
            backgroundColor: Colors.red,
            duration: Duration(seconds: 3),
          ));
        }, activityNursery, filePaths: filePaths);
      } else {
        //UPDATE
        _repository.updateNursery((value) {
          LoadingDialog.hideLoadingDialog(context);
          Get.back();
          Get.snackbar(label_update_success, "Hoạt động ươm",
              snackPosition: SnackPosition.BOTTOM);
        }, (error) {
          LoadingDialog.hideLoadingDialog(context);
          _scaffoldKey.currentState.showSnackBar(SnackBar(
            content: Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: <Widget>[
                Flexible(child: Text(AppException.handleError(error))),
                Icon(Icons.error),
              ],
            ),
            backgroundColor: Colors.red,
            duration: Duration(seconds: 3),
          ));
        }, activityNursery, filePaths: filePaths);
      }
    } else {
      _autoValidate = true;
    }
  }

  Widget _btnExecuteTimePicker() {
    return FlatButton(
        padding: EdgeInsets.only(top: 0.0, right: 0.0, bottom: 0.0, left: 0.0),
        onPressed: () {
          DatePicker.showDateTimePicker(context,
              showTitleActions: true, onChanged: (date) {}, onConfirm: (date) {
            setState(() {
              var parsedDate =
                  DateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'").format(date);
              _nursery.executeDate = "$parsedDate";
              executeTimeView = DateFormat("dd/MM/yyyy HH:mm").format(date);
            });
          }, currentTime: executeTime, locale: LocaleType.vi);
        },
        child: Container(
            padding:
                EdgeInsets.only(top: 0.0, right: 0.0, bottom: 10.5, left: 0.0),
            decoration: BoxDecoration(
              border: kBorderTextField,
            ),
            child: Row(
              children: [
                Expanded(
                    child: Text(
                  //TODO: check condition
                  executeTimeView == null ? "$executeTime" : executeTimeView,
                  style: TextStyle(fontSize: 14.0, color: Colors.black87),
                )),
                Icon(
                  Icons.date_range,
                  color: Colors.blue,
                ),
              ],
            )));
  }

  Widget _btnSelectSubstrates() {
    return FlatButton(
        padding: EdgeInsets.only(top: 0.0, right: 0.0, bottom: 0.0, left: 0.0),
        onPressed: () {
          Navigator.of(context)
              .push(MaterialPageRoute(
                  builder: (_) => ResourceHelperScreen(
                      titleName: "Giá thể",
                      type: ConstCommon.supplyTypeSubStrate,
                      selectedId: Get.find<ChangeSupply>().selectedSupplyId),
                  fullscreenDialog: false))
              .then((value) {
            if (value != null) {
              var result = value as Supply;
              _nursery.substratesId = result.id;
              changeSupply.change(result);
              print("Home: $value");
            }
          });
        },
        child: Container(
            padding:
                EdgeInsets.only(top: 0.0, right: 0.0, bottom: 10.5, left: 0.0),
            decoration: BoxDecoration(
              border: kBorderTextField,
            ),
            child: Row(
              children: [
                GetBuilder<ChangeSupply>(
                    builder: (_) => Expanded(
                        child: Text(
                            changeSupply.currentSupply.name == null
                                ? "Loại giá thể"
                                : changeSupply.currentSupply.name.toString(),
                            style: TextStyle(
                                fontSize: 14.0, color: Colors.black87)))),
                Icon(
                  Icons.arrow_drop_down,
                  color: Colors.grey,
                ),
              ],
            )));
  }

  Widget _seedLengthField() {
    return TextFormField(
      keyboardType: TextInputType.numberWithOptions(decimal: true),
      inputFormatters: [
        ThousandsFormatter(
            formatter: NumberFormat("#,###.##", "es"), allowFraction: true)
      ],
      decoration: InputDecoration(labelText: "Chiều dài mần"),
      controller: _seedLengthController,
      validator: (String value) {
        return Validators.validNumber(value, "Chiều dài mần");
      },
      onSaved: (newValue) {
        _nursery.seedLength = newValue.parseDoubleThousand();
      },
    );
  }

  Widget _quantityField() {
    return TextFormField(
      keyboardType: TextInputType.numberWithOptions(decimal: true),
      inputFormatters: [
        ThousandsFormatter(
            formatter: NumberFormat("#,###.##", "es"), allowFraction: true)
      ],
      decoration: InputDecoration(labelText: "Số lượng hạt gieo"),
      controller: _quantityController,
      validator: (String value) {
        return Validators.validNumber(value, "Số lượng hạt gieo");
      },
      onSaved: (newValue) {
        _nursery.quantity = newValue.parseDoubleThousand();
      },
    );
  }

  Widget _seedIncubationTimeField() {
    return TextFormField(
      keyboardType: TextInputType.numberWithOptions(decimal: true),
      inputFormatters: [
        ThousandsFormatter(
            formatter: NumberFormat("#,###.##", "es"), allowFraction: true)
      ],
      decoration: InputDecoration(labelText: "Thời gian ngâm hạt"),
      controller: _seedIncubationTimeController,
      validator: (String value) {
        return Validators.validNumber(value, "Thời gian ngâm hạt");
      },
      onSaved: (newValue) {
        _nursery.seedIncubationTime = newValue.parseDoubleThousand();
      },
    );
  }

  Widget _desciptionField() {
    return TextFormField(
      keyboardType: TextInputType.text,
      decoration: InputDecoration(labelText: "Ghi chú"),
      controller: _descriptionController,
      onSaved: (newValue) {
        _nursery.description = newValue;
      },
    );
  }

  Widget _btnAddWorker() {
    //TODO :check flow error sua item -> xoa list -> bam nut them
    return Builder(builder: (context) {
      return BlocConsumer<StatusAddFormBloc, StatusAddFormState>(
          listener: (context, state) {
        if (state is Edit) {
          isResetForm = false;
          _workerNameController.text = state.nurseryDetail.workerName;
          _trayNumberController.text = state.nurseryDetail.trayNumber;
        } else if (state is Delete) {
          if (currentIndexUpdate == state.index) {
            isResetForm = true;
            _workerNameController.text = "";
            _trayNumberController.text = "";
          }
        } else {
          isResetForm = true;
          _workerNameController.text = "";
          _trayNumberController.text = "";
        }
      }, builder: (context, state) {
        return Container(
            padding: EdgeInsets.all(8.0),
            decoration: BoxDecoration(
                shape: BoxShape.rectangle,
                borderRadius: BorderRadius.circular(10),
                color: Colors.white,
                border: Border.all(color: COLOR_CONST.DEFAULT)),
            child: Column(
              children: [
                TextFormField(
                  keyboardType: TextInputType.text,
                  controller: _workerNameController,
                  decoration: InputDecoration(labelText: "Tên công nhân"),
                  onSaved: (newValue) {},
                ),
                TextFormField(
                  keyboardType: TextInputType.text,
                  controller: _trayNumberController,
                  decoration: InputDecoration(labelText: "Ươm khây số"),
                  onSaved: (newValue) {},
                ),
                Align(
                  alignment: Alignment.centerRight,
                  child: Row(
                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                    children: [
                      isResetForm
                          ? Container()
                          : OutlineButton(
                              shape: RoundedRectangleBorder(
                                  borderRadius: new BorderRadius.circular(8.0)),
                              child: Text("Huỷ"),
                              onPressed: () {
                                context.bloc<StatusAddFormBloc>().add(Reset());
                              }),
                      FlatButton(
                          color: COLOR_CONST.DEFAULT,
                          shape: RoundedRectangleBorder(
                              borderRadius: new BorderRadius.circular(8.0)),
                          onPressed: () {
                            if (_workerNameController.text.isEmpty ||
                                _trayNumberController.text.isEmpty) {
                              return;
                            }
                            NurseryDetail _nurseryDetail = NurseryDetail()
                              ..workerName = _workerNameController.text
                              ..trayNumber = _trayNumberController.text;

                            if (state is Edit) {
                              context.bloc<ExpansionListBloc>().add(Update(
                                  index: state.index,
                                  item: _nurseryDetail,
                                  items: state.items));
                            } else {
                              currentNurseryDetail.insert(0, _nurseryDetail);
                              BlocProvider.of<ExpansionListBloc>(context)
                                  .add(AddNew(items: currentNurseryDetail));
                            }
                            context.bloc<StatusAddFormBloc>().add(Reset());
                          },
                          child: Text(
                            (state is Edit) ? "Sửa" : "Thêm",
                            style: TextStyle(color: Colors.white),
                          ))
                    ],
                  ),
                ),
              ],
            ));
      });
    });
  }

  Widget _buildListAddWorker() {
    return Builder(builder: (context) {
      return BlocBuilder<ExpansionListBloc, ExpansionListState>(
          builder: (context, state) {
        if (state is ExpansionListSuccess) {
          currentNurseryDetail = state.items;
          if (currentNurseryDetail.isEmpty) {
            return Container();
          }
          return Container(
              height: 70,
              child: ListView.builder(
                  physics: ClampingScrollPhysics(),
                  scrollDirection: Axis.horizontal,
                  shrinkWrap: true,
                  itemCount: currentNurseryDetail.length,
                  itemBuilder: (context, index) {
                    return GestureDetector(
                        onTap: () {
                          print("edit worker");
                          currentIndexUpdate = index;
                          context.bloc<StatusAddFormBloc>().add(Changed(
                              status: CRUDStatus.edit,
                              index: index,
                              nurseryDetail: currentNurseryDetail[index],
                              items: currentNurseryDetail));
                        },
                        child: Card(
                            child: Stack(
                          alignment: Alignment.bottomCenter,
                          overflow: Overflow.visible,
                          children: <Widget>[
                            Positioned(
                                child: ClipRRect(
                              borderRadius: BorderRadius.circular(8),
                              child: Container(
                                padding: EdgeInsets.all(4),
                                width: 120,
                                child: Column(
                                  children: [
                                    SizedBox(
                                      height: 12.0,
                                    ),
                                    Flexible(
                                      child: Text(
                                          currentNurseryDetail[index]
                                                  .workerName ??
                                              "",
                                          overflow: TextOverflow.ellipsis,
                                          maxLines: 1),
                                    ),
                                    Flexible(
                                        child: Text(currentNurseryDetail[index]
                                                .trayNumber ??
                                            ""))
                                  ],
                                ),
                              ),
                            )),
                            Positioned(
                              top: -10,
                              right: -10,
                              child: IconButton(
                                  icon: Icon(
                                    Icons.cancel,
                                    color: Colors.redAccent,
                                  ),
                                  onPressed: () {
                                    print("Delete worker");
                                    context.bloc<ExpansionListBloc>().add(
                                        DeleteItem(
                                            index: index,
                                            items: currentNurseryDetail));
                                    context.bloc<StatusAddFormBloc>().add(
                                        Changed(
                                            status: CRUDStatus.delete,
                                            index: index,
                                            nurseryDetail:
                                                currentNurseryDetail[index],
                                            items: currentNurseryDetail));
                                  }),
                            )
                          ],
                        )));
                  }));
        } else if (state is ExpansionListFailure) {
          return Container();
        } else {
          return Container();
        }
      });
    });
  }

  _actionAppBar() {
    IconButton iconButton;
    if (1 == 1) {
      iconButton = IconButton(
        icon: Icon(
          Icons.done,
          color: Colors.black,
        ),
        onPressed: () {
          FocusScopeNode currentFocus = FocusScope.of(context);
          if (!currentFocus.hasPrimaryFocus) {
            currentFocus.unfocus();
          }
          _validateInputs();
        },
      );
      return <Widget>[iconButton];
    }
    return <Widget>[Container()];
  }

  @override
  Widget build(BuildContext context) => KeyboardDismisser(
          gestures: [
            GestureType.onTap,
            GestureType.onPanUpdateDownDirection,
          ],
          child: Scaffold(
              key: _scaffoldKey,
              appBar: AppBar(
                  centerTitle: true,
                  title: Text(plot_action_nursery),
                  actions: _actionAppBar()),
              body: KeyboardDismisser(
                  child: MultiBlocProvider(
                      providers: [
                    BlocProvider<ExpansionListBloc>(
                      create: (context) => ExpansionListBloc(),
                    ),
                    BlocProvider<StatusAddFormBloc>(
                      create: (context) => StatusAddFormBloc(),
                    ),
                    BlocProvider<ActionDetailBloc>(
                        create: (context) =>
                            ActionDetailBloc(repository: Repository())
                              ..add(FetchData(
                                  isNeedFetchData: widget.isEdit,
                                  activityId: widget.activityId))),
                    BlocProvider<MediaHelperBloc>(
                      create: (context) =>
                          MediaHelperBloc()..add(ChangeListMedia(items: [])),
                    )
                  ],
                      child: Form(
                          key: _formKey,
                          autovalidate: _autoValidate,
                          child: SingleChildScrollView(
                            padding: EdgeInsets.all(8.0),
                            child: BlocConsumer<ActionDetailBloc,
                                ActionDetailState>(
                              listener: (context, state) async {
                                if (state is ActionDetailFailure) {
                                  print("fail");
                                  LoadingDialog.hideLoadingDialog(context);
                                } else if (state is ActionDetailSuccess) {
                                  LoadingDialog.hideLoadingDialog(context);
                                  print("success");
                                  print(state.item);
                                  _nursery = Nursery.fromJson(state.item);
                                  _seedLengthController.text = _nursery
                                      .seedLength
                                      .formatNumtoStringDecimal();
                                  _quantityController.text = _nursery.quantity
                                      .formatNumtoStringDecimal();
                                  _seedIncubationTimeController.text = _nursery
                                      .seedIncubationTime
                                      .formatNumtoStringDecimal();
                                  _descriptionController.text =
                                      _nursery.description;
                                  try {
                                    executeTime =
                                        DateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'")
                                            .parse(_nursery.executeDate);
                                  } catch (_) {}
                                  executeTimeView =
                                      DateFormat("dd/MM/yyyy HH:mm")
                                          .format(executeTime);
                                  //Show media
                                  if (_nursery.media != null) {
                                    await cacheFiles(_nursery.media)
                                        .then((value) {
                                      print("then: ${value.length}");
                                      BlocProvider.of<MediaHelperBloc>(context)
                                          .add(ChangeListMedia(items: value));
                                    }).whenComplete(() {
                                      print("completed");
                                    });
                                  }
                                  //Show worker
                                  if (_nursery.nurseryDetail.length > 0) {
                                    BlocProvider.of<ExpansionListBloc>(context)
                                        .add(AddNew(
                                            items: _nursery.nurseryDetail));
                                  }
                                  //change subStrates
                                  if (_nursery.substratesId != null) {
                                    Get.find<ChangeSupply>()
                                        .changeById(_nursery.substratesId);
                                  }
                                } else if (state is ActionDetailInitial) {
                                  print("init");
                                } else if (state is ActionDetailLoading) {
                                  print("loading");
                                  LoadingDialog.showLoadingDialog(context);
                                }
                              },
                              builder: (context, state) {
                                return Column(
                                  children: <Widget>[
                                    Container(
                                      width: double.infinity,
                                      child: Text(
                                        "Ngày thực hiện",
                                        style: TextStyle(
                                            color: Colors.black54,
                                            fontSize: 13.0),
                                      ),
                                    ),
                                    _btnExecuteTimePicker(),
                                    SizedBox(
                                      height: 8.0,
                                    ),
                                    Container(
                                      width: double.infinity,
                                      child: Text(
                                        "Loại giá thể",
                                        style: TextStyle(
                                            color: Colors.black54,
                                            fontSize: 13.0),
                                      ),
                                    ),
                                    _btnSelectSubstrates(),
                                    SizedBox(
                                      height: 8.0,
                                    ),
                                    _seedLengthField(),
                                    SizedBox(
                                      height: 8.0,
                                    ),
                                    _quantityField(),
                                    SizedBox(
                                      height: 8.0,
                                    ),
                                    _seedIncubationTimeField(),
                                    SizedBox(
                                      height: 8.0,
                                    ),
                                    _desciptionField(),
                                    SizedBox(
                                      height: 8.0,
                                    ),
                                    _btnAddWorker(),
                                    SizedBox(
                                      height: 8.0,
                                    ),
                                    _buildListAddWorker(),
                                    SizedBox(
                                      height: 8.0,
                                    ),
                                    BlocBuilder<MediaHelperBloc,
                                            MediaHelperState>(
                                        builder: (context, state) {
                                      if (state is MediaHelperSuccess) {
                                        print("length: " +
                                            state.items.length.toString());
                                        return WidgetMediaPicker(
                                            currentItems: state.items,
                                            onChangeFiles: (filePaths) async {
                                              Get.find<ChangeFileController>()
                                                  .addAllFile(filePaths);
                                            });
                                      } else {
                                        return Center(
                                            child: CircularProgressIndicator());
                                      }
                                    }),
                                  ],
                                );
                              },
                            ),
                          ))))));
  @override
  void dispose() {
    _substrateController.dispose();
    _seedLengthController.dispose();
    _quantityController.dispose();
    _seedIncubationTimeController.dispose();
    _descriptionController.dispose();
    super.dispose();
  }

  Future<List<Media>> cacheFiles(String existedMedias) async {
    var medias = List<Media>();
    var mediaPathsLocal = List<String>();
    var mediaPaths = existedMedias.split(";");
    for (int i = 0; i < mediaPaths.length; i++) {
      var tempFile = await DefaultCacheManager()
          .getSingleFile(ConstCommon.baseImageUrl + mediaPaths[i]);
      print(tempFile.path);
      var isVideo = lookupMimeType(tempFile.path) == "video/mp4";
      print("file type: " + lookupMimeType(tempFile.path));
      Media media = Media()
        ..pathFile = tempFile.path
        ..isVideo = isVideo;
      medias.add(media);
      mediaPathsLocal.add(tempFile.path);
    }
    Get.find<ChangeFileController>().addAllFile(filePaths);
    return medias;
  }
}