import 'dart:convert';

import 'package:farm_tpf/custom_model/Plant.dart';
import 'package:farm_tpf/custom_model/SuppliesUsing.dart';
import 'package:farm_tpf/data/api/app_exception.dart';
import 'package:farm_tpf/data/repository/repository.dart';
import 'package:farm_tpf/presentation/custom_widgets/app_bar_widget.dart';
import 'package:farm_tpf/presentation/custom_widgets/bloc/media_helper_bloc.dart';
import 'package:farm_tpf/presentation/custom_widgets/button_widget.dart';
import 'package:farm_tpf/presentation/custom_widgets/widget_field_time_picker.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/custom_widgets/widget_text_field_description.dart';
import 'package:farm_tpf/presentation/custom_widgets/widget_text_form_field.dart';
import 'package:farm_tpf/presentation/custom_widgets/widget_utils.dart';
import 'package:farm_tpf/presentation/screens/actions/bloc/action_detail_bloc.dart';
import 'package:farm_tpf/presentation/screens/actions/controller/ChangeFieldInForm.dart';
import 'package:farm_tpf/presentation/screens/actions/controller/ChangeSupplyUsing.dart';
import 'package:farm_tpf/presentation/screens/actions/plant/widget_plant_supply.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/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/services.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter_datetime_picker/flutter_datetime_picker.dart';
import 'package:get/get.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';

import '../util_action.dart';

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

class _EditActionPlantScreenState extends State<EditActionPlantScreen> {
  final GlobalKey<ScaffoldState> _scaffoldKey = GlobalKey<ScaffoldState>();
  final _repository = Repository();
  GlobalKey<FormState> _formKey = GlobalKey();
  bool _autoValidate = false;
  Plant _plant = Plant();
  var pref = LocalPref();
  final _descriptionController = TextEditingController();
  final _quantityController = TextEditingController();
  final _densityController = TextEditingController();
  final _executeByController = TextEditingController();
  List<SuppliesUsing> suppliesUsing = <SuppliesUsing>[];

  String executeTimeView = '';
  DateTime executeTime = DateTime.now();
  List<String> filePaths = <String>[];
  var changeFileController = Get.put(ChangeFileController());

  Future<Null> getSharedPrefs() async {
    var currentFullName = await pref.getString(DATA_CONST.CURRENT_FULL_NAME);
    _executeByController.text = currentFullName ?? "";
  }

  @override
  void initState() {
    super.initState();
    getSharedPrefs();
    changeFileController.initValue();
    _plant.suppliesUsing = <SuppliesUsing>[];
    _plant.cropId = widget.cropId;
  }

  _validateInputs() async {
    if (_formKey.currentState!.validate()) {
      _formKey.currentState!.save();
      LoadingDialog.showLoadingDialog(context);
      filePaths = Get.find<ChangeFileController>().newFiles;
      var newSups = <SuppliesUsing>[];
      suppliesUsing.forEach((sup) {
        var newSup = sup;
        newSup.suppliesInWarehouseId = sup.tbSuppliesInWarehouseId;
        newSups.add(newSup);
      });
      _plant.suppliesUsing = newSups;
      _plant.mediaDel = Get.find<ChangeFileController>().deleteFiles;
      var activityPlant = jsonEncode(_plant.toJson()).toString();
      //ADD NEW
      if (_plant.activityId == null) {
        _repository.createAction((value) {
          LoadingDialog.hideLoadingDialog(context);
          Get.back(result: value);
          Utils.showSnackBarSuccess(message: label_add_success);
        }, (error) {
          LoadingDialog.hideLoadingDialog(context);
          Utils.showSnackBarError(message: AppException.handleError(error));
        }, apiAddAction: ConstCommon.apiAddPlant, paramActivity: ConstCommon.paramsActionPlant, activityAction: activityPlant, filePaths: filePaths);
      } else {
        //UPDATE
        _repository.updateAction((value) {
          LoadingDialog.hideLoadingDialog(context);
          Get.back(result: value);
          Utils.showSnackBarSuccess(message: label_update_success);
        }, (error) {
          LoadingDialog.hideLoadingDialog(context);
          Utils.showSnackBarError(message: AppException.handleError(error));
        },
            apiUpdateAction: ConstCommon.apiUpdatePlant,
            paramActivity: ConstCommon.paramsActionPlant,
            activityAction: activityPlant,
            filePaths: filePaths);
      }
    } else {
      _autoValidate = true;
    }
  }

  Widget _btnExecuteTimePicker() {
    return WidgetFieldDateTimePicker(
        initDateTime: executeTime,
        onUpdateDateTime: (selectedDate) {
          _plant.executeDate = selectedDate.convertLocalDateTimeToStringUtcDateTime();
        });
  }

  Widget _quantityField() {
    return WidgetTextFormFieldNumber(
      hintValue: "Số lượng cây trồng",
      textController: _quantityController,
      onSaved: (newValue) {
        _plant.quantity = (newValue ?? '0').parseDoubleThousand();
      },
      onChanged: (_) {},
      validator: (_) {},
    );
  }

  Widget _densityField() {
    return TextFormField(
      keyboardType: TextInputType.text,
      decoration: const InputDecoration(labelText: "Mật độ"),
      controller: _densityController,
      onSaved: (newValue) {
        _plant.density = newValue ?? '';
      },
    );
  }

  Widget _desciptionField() {
    return TextFieldDescriptionWidget(
      controller: _descriptionController,
      onSaved: (newValue) {
        _plant.description = newValue;
      },
    );
  }

  Widget _executeByField() {
    return TextFormField(
      keyboardType: TextInputType.text,
      decoration: const InputDecoration(labelText: "Người thực hiện"),
      enabled: false,
      controller: _executeByController,
      onSaved: (newValue) {},
    );
  }

  @override
  Widget build(BuildContext context) => KeyboardDismisser(
          gestures: [
            GestureType.onTap,
            GestureType.onPanUpdateDownDirection,
          ],
          child: Scaffold(
              backgroundColor: Colors.white,
              key: _scaffoldKey,
              appBar: AppBarWidget(
                isBack: true,
                action: InkWell(
                  child: const Text(
                    'Huỷ',
                    style: TextStyle(color: Colors.red, fontWeight: FontWeight.normal),
                  ),
                  onTap: () {
                    if (Get.isSnackbarOpen) Get.back();
                    Get.back();
                  },
                ),
              ),
              body: KeyboardDismisser(
                  child: MultiBlocProvider(
                      providers: [
                    BlocProvider<ActionDetailBloc>(
                      create: (context) => ActionDetailBloc(repository: Repository())
                        ..add(
                          FetchData(
                            isNeedFetchData: widget.isEdit,
                            apiActivity: ConstCommon.apiDetailPlant,
                            activityId: widget.activityId ?? -1,
                          ),
                        ),
                    ),
                    BlocProvider<MediaHelperBloc>(
                      create: (context) => MediaHelperBloc()..add(ChangeListMedia(items: [])),
                    )
                  ],
                      child: Form(
                          key: _formKey,
                          // autovalidate: _autoValidate,
                          child: SafeArea(
                            child: SingleChildScrollView(
                              child: BlocConsumer<ActionDetailBloc, ActionDetailState>(
                                listener: (context, state) async {
                                  if (state is ActionDetailFailure) {
                                    LoadingDialog.hideLoadingDialog(context);
                                  } else if (state is ActionDetailSuccess) {
                                    LoadingDialog.hideLoadingDialog(context);
                                    _plant = Plant.fromJson(state.item);
                                    _plant.activityId = widget.activityId ?? -1;
                                    _quantityController.text = _plant.quantity?.formatNumtoStringDecimal() ?? '';
                                    _densityController.text = _plant.density ?? '';
                                    _descriptionController.text = _plant.description ?? '';
                                    _executeByController.text = _plant.executeBy ?? '';

                                    Get.find<ChangeDateTimePicker>().change(
                                      _plant.executeDate?.convertStringServerDateTimeToLocalDateTime() ?? DateTime.now(),
                                    );

                                    //Show media
                                    if (Validators.stringNotNullOrEmpty(_plant.media ?? '')) {
                                      BlocProvider.of<MediaHelperBloc>(context)
                                          .add(ChangeListMedia(items: UtilAction.convertFilePathToMedia(_plant.media ?? '')));
                                    }
                                    //list supply
                                    suppliesUsing = _plant.suppliesUsing ?? <SuppliesUsing>[];
                                    Get.find<ChangeSupplyUsing>().changeInitList(suppliesUsing);
                                  } else if (state is ActionDetailInitial) {
                                    print("init");
                                  } else if (state is ActionDetailLoading) {
                                    print("loading");
                                    LoadingDialog.showLoadingDialog(context);
                                  }
                                },
                                builder: (context, state) {
                                  return Column(
                                    children: [
                                      Padding(
                                        padding: const EdgeInsets.all(8.0),
                                        child: Column(
                                          crossAxisAlignment: CrossAxisAlignment.start,
                                          children: <Widget>[
                                            const Text(
                                              'Trồng',
                                              style: TextStyle(fontWeight: FontWeight.w500, fontSize: 22),
                                            ),
                                            const SizedBox(
                                              height: 8.0,
                                            ),
                                            Container(
                                              width: double.infinity,
                                              child: const Text(
                                                "Ngày thực hiện *",
                                                style: TextStyle(color: Colors.black54, fontSize: 13.0),
                                              ),
                                            ),
                                            _btnExecuteTimePicker(),
                                            const SizedBox(
                                              height: 8.0,
                                            ),
                                            _quantityField(),
                                            const SizedBox(
                                              height: 8.0,
                                            ),
                                            _densityField(),
                                            const SizedBox(
                                              height: 8.0,
                                            ),
                                            _desciptionField(),
                                            const SizedBox(
                                              height: 8.0,
                                            ),
                                            _executeByField(),
                                            const SizedBox(
                                              height: 8.0,
                                            ),
                                          ],
                                        ),
                                      ),
                                      Container(
                                        width: double.infinity,
                                        height: 16,
                                        color: Colors.grey[200],
                                      ),
                                      WidgetPlantSupply(
                                          currentItems: [],
                                          onChangeSupplies: (value) {
                                            suppliesUsing = value;
                                          }),
                                      const SizedBox(
                                        height: 8.0,
                                      ),
                                      Container(
                                        width: double.infinity,
                                        height: 16,
                                        color: Colors.grey[200],
                                      ),
                                      BlocBuilder<MediaHelperBloc, MediaHelperState>(builder: (context, state) {
                                        if (state is MediaHelperSuccess) {
                                          return WidgetMediaPicker(
                                              currentItems: state.items,
                                              onChangeFiles: (newPathFiles, deletePathFiles) async {
                                                Get.find<ChangeFileController>().change(newPathFiles, deletePathFiles);
                                              });
                                        } else {
                                          return const Center(child: CircularProgressIndicator());
                                        }
                                      }),
                                      const SizedBox(
                                        height: 8,
                                      ),
                                      Padding(
                                        padding: const EdgeInsets.all(8.0),
                                        child: ButtonWidget(
                                            title: 'CẬP NHẬT',
                                            onPressed: () {
                                              var currentFocus = FocusScope.of(context);
                                              if (!currentFocus.hasPrimaryFocus) {
                                                currentFocus.unfocus();
                                              }
                                              if (Get.find<ChangeFieldFormSupply>().isChanged) {
                                                Utils.showDialogConfirmSupply(onConfirm: () {
                                                  Get.back();
                                                  _validateInputs();
                                                });
                                              } else {
                                                _validateInputs();
                                              }
                                            }),
                                      )
                                    ],
                                  );
                                },
                              ),
                            ),
                          ))))));
  @override
  void dispose() {
    _quantityController.dispose();
    _densityController.dispose();
    _descriptionController.dispose();
    _executeByController.dispose();
    super.dispose();
  }
}
