import 'dart:convert';

import 'package:farm_tpf/custom_model/Nursery.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/widget_media_helper.dart';
import 'package:farm_tpf/presentation/custom_widgets/widget_media_picker.dart';
import 'package:farm_tpf/presentation/screens/actions/nursery/bloc/expansion_list_bloc.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_datetime_picker/flutter_datetime_picker.dart';
import 'package:fluttertoast/fluttertoast.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:pattern_formatter/pattern_formatter.dart';
import 'package:farm_tpf/utils/formatter.dart';

class EditActionNurseryScreen extends StatefulWidget {
  @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();
  FlutterToast flutterToast;
  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>();
  ExpansionListBloc _bloc;
  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();
    filePaths.add(
        "/Users/macbook/Library/Developer/CoreSimulator/Devices/CC52586C-39AA-489B-A74D-83107AA9F7C1/data/Containers/Data/Application/F377B9A4-939D-42B2-9628-350C4A0BFD50/tmp/image_picker_801FCF0F-577F-4AFA-AC58-1C716A1C561C-30707-000015F0E14256F8.jpg");
    _nursery.nurseryDetail = new List<NurseryDetail>();
    flutterToast = FlutterToast(context);
    //UPDATE
    if (_nursery.cropId != 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";
      //TODO: update cropid
      _nursery.cropId = 1;
    }
    executeTimeView = DateFormat("dd/MM/yyyy HH:mm").format(executeTime);
  }

  _validateInputs() async {
    if (_formKey.currentState.validate()) {
      _formKey.currentState.save();
      _nursery.nurseryDetail = currentNurseryDetail;
      filePaths = Get.find<ChangeFileController>().files;
      var activityNursery = jsonEncode(_nursery.toJson()).toString();
      _repository.createNursery((value) {
        print("post ok");
      }, (error) {
        print("--------------------------------");
        print(error);
      }, 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 _btnSelectSeed() {
    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: "Gía thể",
                      type: ConstCommon.supplyTypeSubStrate,
                      selectedId: Get.find<ChangeSupply>().selectedSupplyId),
                  fullscreenDialog: false))
              .then((value) {
            if (value != null) {
              var result = value as Supply;
              _nursery.substrates = result.name;
              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) {
                    _nursery.description = newValue;
                  },
                ),
                TextFormField(
                  keyboardType: TextInputType.text,
                  controller: _trayNumberController,
                  decoration: InputDecoration(labelText: "Ươm khây số"),
                  onSaved: (newValue) {
                    _nursery.description = 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("Show preview image or video");
                          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("On tap delete media");
                                    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(),
                    )
                  ],
                      child: Form(
                          key: _formKey,
                          autovalidate: _autoValidate,
                          child: SingleChildScrollView(
                            padding: EdgeInsets.all(8.0),
                            child: 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(
                                    "Tên giống",
                                    style: TextStyle(
                                        color: Colors.black54, fontSize: 13.0),
                                  ),
                                ),
                                _btnSelectSeed(),
                                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,
                                ),
                                WidgetMediaPicker(onChangeFiles: (filePaths) {
                                  Get.find<ChangeFileController>()
                                      .addAllFile(filePaths);
                                  // setState(() {
                                  //   filePaths = filePaths;
                                  // });
                                })
                              ],
                            ),
                          ))))));
  @override
  void dispose() {
    _substrateController.dispose();
    _seedLengthController.dispose();
    _quantityController.dispose();
    _seedIncubationTimeController.dispose();
    _descriptionController.dispose();
    super.dispose();
  }
}

class ChangeSupply extends GetxController {
  Supply currentSupply;
  int selectedSupplyId;

  void initValue() {
    currentSupply = Supply();
    selectedSupplyId = -1;
    update();
  }

  void change(Supply supply) {
    currentSupply = supply;
    selectedSupplyId = supply.id;
    update();
  }
}

class ChangeFileController extends GetxController {
  List<String> files;
  void initValue() {
    files = [];
    update();
  }

  void addAllFile(List<String> filePaths) {
    files = [];
    files = filePaths;
    update();
  }

  void addFile(String filePath) {
    files.add(filePath);
    update();
  }

  void deleteFile(String filePath) {
    files.remove(filePath);
    update();
  }
}