mobile-app/lib/presentation/screens/actions/plant/widget_plant_supply.dart

import 'package:farm_tpf/custom_model/SuppliesUsing.dart';
import 'package:farm_tpf/custom_model/Supply.dart';
import 'package:farm_tpf/presentation/custom_widgets/WidgetErrorTextField.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/controller/ChangeFieldInForm.dart';
import 'package:farm_tpf/presentation/screens/actions/controller/ChangeFormButton.dart';
import 'package:farm_tpf/presentation/screens/actions/controller/ChangeSupplyUsing.dart';
import 'package:farm_tpf/presentation/screens/actions/controller/ChangeUnit.dart';
import 'package:farm_tpf/presentation/screens/actions/state_management_helper/change_supply.dart';
import 'package:farm_tpf/presentation/screens/actions/util_action.dart';
import 'package:farm_tpf/presentation/screens/resources/sc_resource_helper.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/validators.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:farm_tpf/utils/formatter.dart';

class WidgetPlantSupply extends StatefulWidget {
  final List<SuppliesUsing>? currentItems;
  final Function(List<SuppliesUsing> supplyChanges) onChangeSupplies;
  WidgetPlantSupply({this.currentItems, required this.onChangeSupplies});
  @override
  _WidgetPlantSupplyState createState() => _WidgetPlantSupplyState();
}

class _WidgetPlantSupplyState extends State<WidgetPlantSupply> {
  final _dosageController = TextEditingController();
  final _quantityController = TextEditingController();
  final changeSelectedSupply = Get.put(ChangeSupply());
  final changeSupplyUsing = Get.put(ChangeSupplyUsing());
  final changeUnit = Get.put(ChangeUnit());
  final changeButton = Get.put(ChangeButtonInForm());
  final changeFormField = Get.put(ChangeFieldFormSupply());
  GlobalKey<FormState> _formSupplyKey = GlobalKey();

  @override
  void initState() {
    super.initState();
    changeSelectedSupply.initValue();
    changeSupplyUsing.init(widget.currentItems ?? []);
    changeUnit.initValue();
    changeButton.resetValue();
    changeFormField.init();
  }

  Widget _buildListSupply() {
    return GetBuilder<ChangeSupplyUsing>(builder: (value) {
      widget.onChangeSupplies(value.currentItems ?? []);
      if ((value.currentItems ?? []).isEmpty) {
        return Container();
      } else {
        return Container(
            height: 90,
            child: ListView.builder(
                physics: ClampingScrollPhysics(),
                scrollDirection: Axis.horizontal,
                shrinkWrap: true,
                itemCount: value.currentItems?.length,
                itemBuilder: (context, index) {
                  return GestureDetector(
                      onTap: () {
                        print("edit");
                        changeSupplyUsing.changeIndexEdit(index);
                        changeButton.updateToEdit(true);
                        var editedSupplyUsing = value.currentItems?[index];
                        var editedSupply = Supply()
                          ..id = editedSupplyUsing?.tbSuppliesInWarehouseId ?? -1
                          ..tbSuppliesName = editedSupplyUsing?.supplyName ?? ''
                          ..unit = editedSupplyUsing?.supplyUnit;
                        changeSelectedSupply.change(editedSupply);
                        changeUnit.updateListByUnitName(editedSupplyUsing?.supplyUnit ?? '');
                        changeUnit.updateSelected(editedSupplyUsing?.supplyUnit ?? '');
                        _dosageController.text = editedSupplyUsing?.dosage ?? '';
                        _quantityController.text = editedSupplyUsing?.quantity?.formatNumtoStringDecimal() ?? '';
                      },
                      child: Card(
                          child: Stack(
                        alignment: Alignment.bottomCenter,
                        children: <Widget>[
                          Positioned(
                              child: ClipRRect(
                            borderRadius: BorderRadius.circular(8),
                            child: Container(
                              padding: EdgeInsets.all(4),
                              width: 150,
                              child: Column(
                                mainAxisAlignment: MainAxisAlignment.center,
                                children: [
                                  SizedBox(
                                    height: 12.0,
                                  ),
                                  Flexible(
                                    child: Text(
                                      value.currentItems?[index].supplyName ?? "",
                                      overflow: TextOverflow.ellipsis,
                                      maxLines: 1,
                                    ),
                                  ),
                                  Validators.stringNotNullOrEmpty(value.currentItems?[index].dosage ?? '')
                                      ? Flexible(child: Text("${value.currentItems?[index].dosage ?? ""}"))
                                      : SizedBox(),
                                  Validators.stringNotNullOrEmpty(value.currentItems?[index].quantity?.formatNumtoStringDecimal() ?? '')
                                      ? Flexible(
                                          child: Text(
                                            "${value.currentItems?[index].quantity?.formatNumtoStringDecimal() ?? ""} ${value.currentItems?[index].supplyUnit ?? ""}",
                                          ),
                                        )
                                      : SizedBox(),
                                ],
                              ),
                            ),
                          )),
                          Positioned(
                            top: -10,
                            right: -10,
                            child: IconButton(
                                icon: Icon(
                                  Icons.cancel,
                                  color: Colors.redAccent,
                                ),
                                onPressed: () {
                                  changeSupplyUsing.deleteSupply(index);
                                }),
                          )
                        ],
                      )));
                }));
      }
    });
  }

  Widget _btnSelectSubstrates() {
    return GetBuilder<ChangeSupply>(builder: (data) {
      var isValid = changeSelectedSupply.isValid;
      return TextButton(onPressed: () {
        var currentIndexEdit = changeSupplyUsing.currentIndex;
        Navigator.of(context)
            .push(MaterialPageRoute(
                builder: (_) => ResourceHelperScreen(
                      titleName: "Hoá chất xử lý",
                      type: ConstCommon.supplyTypeAll,
                      selectedId: changeSelectedSupply.selectedSupplyId ?? -1,
                      currentItems: changeSupplyUsing.currentItems ?? [],
                      currentEditId: ((currentIndexEdit ?? -1) >= 0)
                          ? (changeSupplyUsing.currentItems ?? [])[(currentIndexEdit ?? 0)].tbSuppliesInWarehouseId ?? -1
                          : -1,
                    ),
                fullscreenDialog: false))
            .then((value) {
          if (value != null) {
            var result = value as Supply;
            changeSelectedSupply.change(result);
            changeUnit.updateListByUnitName(result.unit ?? '');
            changeFormField.change(true);
          }
        });
      }, child: GetBuilder<ChangeSupply>(builder: (_) {
        var isValid = changeSelectedSupply.isValid;
        return Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Container(
                padding: EdgeInsets.only(top: 0.0, right: 0.0, bottom: 10.5, left: 0.0),
                decoration: BoxDecoration(
                  border: Border(
                    bottom: BorderSide(
                      width: 1,
                      color: (isValid ?? false) ? Colors.grey : Colors.red,
                    ),
                  ),
                ),
                child: Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    Validators.stringNotNullOrEmpty(changeSelectedSupply.selectedSupplyName ?? '')
                        ? Text(
                            'Hoá chất xử lý *',
                            style: TextStyle(
                              fontSize: 13,
                              fontWeight: FontWeight.normal,
                              color: (isValid ?? false) ? Colors.black54 : Colors.red,
                            ),
                          )
                        : Text(
                            '',
                            style: TextStyle(
                              fontSize: 13,
                              fontWeight: FontWeight.normal,
                              color: (isValid ?? false) ? Colors.black54 : Colors.red,
                            ),
                          ),
                    Row(
                      children: [
                        Expanded(
                          child: Validators.stringNotNullOrEmpty(changeSelectedSupply.selectedSupplyName ?? '')
                              ? Text(changeSelectedSupply.selectedSupplyName ?? '', style: TextStyle(fontSize: 14.0, color: Colors.black87))
                              : Text("Hoá chất xử lý *", style: TextStyle(fontSize: 14.0, color: Colors.black54)),
                        ),
                        Icon(
                          Icons.arrow_drop_down,
                          color: Colors.grey,
                        ),
                      ],
                    )
                  ],
                )),
            (isValid ?? false) ? SizedBox() : WidgetErrorTextField()
          ],
        );
      }));
    });
  }

  Widget _dropdownUnitTypes() {
    return GetBuilder<ChangeUnit>(builder: (data) {
      return DropdownButtonFormField<String>(
        itemHeight: 100,
        value: (data.selectedUnit ?? '').isEmpty ? null : data.selectedUnit,
        items: (data.currentUnits ?? [])
            .map((label) => DropdownMenuItem(
                  child: Text(label),
                  value: label,
                ))
            .toList(),
        onChanged: (value) {
          var currentQuantity = _quantityController.text;
          num assignValue = currentQuantity.parseDoubleThousand();
          if (assignValue != null) {
            var oldSelected = data.selectedUnit;
            if (oldSelected == value) {
            } else {
              assignValue = UtilAction.convertUnit(
                inputValue: assignValue,
                oldUnit: oldSelected ?? '',
                newUnit: value ?? '',
              );
            }
            _quantityController.text = assignValue.formatNumtoStringDecimal();
          }
          changeUnit.updateSelected(value ?? '');
        },
      );
    });
  }

  _quantityField() {
    return WidgetTextFormFieldNumber(
      hintValue: "Tổng lượng sử dụng *",
      labelText: "Tổng lượng sử dụng *",
      textController: _quantityController,
      validator: (String? value) {
        return Validators.validateNotNullOrEmpty(value ?? '', label_validate_input_empty);
      },
      onChanged: (value) {
        if (!Validators.stringNotNullOrEmpty(value ?? '') &&
            !Validators.stringNotNullOrEmpty(_dosageController.text) &&
            (Get.find<ChangeSupply>().selectedSupplyId ?? -1) <= 0) {
          changeFormField.change(false);
        } else {
          changeFormField.change(true);
        }
      },
    );
  }

  _buttonInForm() {
    return GetBuilder<ChangeButtonInForm>(builder: (_) {
      return Row(
        mainAxisAlignment: MainAxisAlignment.start,
        children: [
          _.isEdit ?? false
              ? TextButton(
                  child: Text("Huỷ"),
                  onPressed: () {
                    changeButton.resetValue();
                    _resetForm();
                    _hidenKeyboard(context);
                  })
              : SizedBox(),
          _.isEdit ?? false
              ? Expanded(
                  child: TextButton(
                      onPressed: () {
                        if (_formSupplyKey.currentState!.validate()) {
                          _formSupplyKey.currentState!.save();
                          if ((changeSelectedSupply.selectedSupplyId ?? -1) <= 0) {
                            changeSelectedSupply.changeValid(false);
                          } else {
                            changeSelectedSupply.changeValid(true);
                          }
                          var currentSupply = changeSelectedSupply.currentSupply;
                          if (currentSupply?.id != null) {
                            var quantityWithCurrentSupplyUnit = UtilAction.convertUnit(
                              inputValue: _quantityController.text.parseDoubleThousand(),
                              oldUnit: changeUnit.selectedUnit ?? '',
                              newUnit: changeSelectedSupply.currentSupply?.unit ?? '',
                            );
                            SuppliesUsing newSup = SuppliesUsing()
                              ..dosage = _dosageController.text
                              ..quantity = quantityWithCurrentSupplyUnit
                              ..tbSuppliesInWarehouseId = currentSupply?.id
                              ..suppliesInWarehouseId = currentSupply?.id
                              ..supplyName = currentSupply?.tbSuppliesName
                              ..supplyUnit = currentSupply?.unit
                              ..unit = currentSupply?.unit;
                            changeSupplyUsing.editSupply(changeSupplyUsing.currentIndex ?? -1, newSup);
                            _resetForm();
                            _hidenKeyboard(context);
                          }
                        } else {
                          Utils.showSnackBarWarning(message: "Vui lòng nhập hoá chất và số lượng");
                          if ((changeSelectedSupply.selectedSupplyId ?? -1) <= 0) {
                            changeSelectedSupply.changeValid(false);
                          } else {
                            changeSelectedSupply.changeValid(true);
                          }
                        }
                      },
                      child: Text(
                        "Sửa hoá chất xử lý",
                        style: TextStyle(color: Colors.blue),
                      )),
                )
              : Expanded(
                  child: TextButton(
                      onPressed: () {
                        if (_formSupplyKey.currentState!.validate()) {
                          _formSupplyKey.currentState!.save();
                          if ((changeSelectedSupply.selectedSupplyId ?? -1) <= 0) {
                            changeSelectedSupply.changeValid(false);
                          } else {
                            changeSelectedSupply.changeValid(true);
                          }
                          var currentSupply = changeSelectedSupply.currentSupply;
                          if (currentSupply?.id != null) {
                            var quantityWithCurrentSupplyUnit = UtilAction.convertUnit(
                              inputValue: _quantityController.text.parseDoubleThousand(),
                              oldUnit: changeUnit.selectedUnit ?? '',
                              newUnit: changeSelectedSupply.currentSupply?.unit ?? '',
                            );
                            SuppliesUsing newSup = SuppliesUsing()
                              ..dosage = _dosageController.text
                              ..quantity = quantityWithCurrentSupplyUnit
                              ..tbSuppliesInWarehouseId = currentSupply?.id
                              ..suppliesInWarehouseId = currentSupply?.id
                              ..supplyName = currentSupply?.tbSuppliesName
                              ..supplyUnit = currentSupply?.unit
                              ..unit = currentSupply?.unit;
                            changeSupplyUsing.addSupply(newSup);
                            _resetForm();
                            _hidenKeyboard(context);
                          }
                        } else {
                          Utils.showSnackBarWarning(message: "Vui lòng nhập hoá chất và số lượng");
                          if ((changeSelectedSupply.selectedSupplyId ?? -1) <= 0) {
                            changeSelectedSupply.changeValid(false);
                          } else {
                            changeSelectedSupply.changeValid(true);
                          }
                          //
                        }
                      },
                      child: Text(
                        "+ Thêm hoá chất xử lý",
                        style: TextStyle(color: Colors.blue),
                      )),
                )
        ],
      );
    });
  }

  Widget _formEdit() {
    return Container(
        padding: EdgeInsets.all(8.0),
        margin: EdgeInsets.all(8.0),
        decoration: BoxDecoration(
          shape: BoxShape.rectangle,
          borderRadius: BorderRadius.circular(10),
          color: Colors.white,
          border: Border.all(
            color: Colors.grey,
          ),
        ),
        child: Form(
          key: _formSupplyKey,
          child: Column(
            children: [
              _btnSelectSubstrates(),
              TextFormField(
                keyboardType: TextInputType.text,
                controller: _dosageController,
                decoration: InputDecoration(labelText: "Liều lượng"),
                onSaved: (newValue) {},
                onChanged: (value) {
                  if (!Validators.stringNotNullOrEmpty(_quantityController.text) &&
                      !Validators.stringNotNullOrEmpty(value) &&
                      (Get.find<ChangeSupply>().selectedSupplyId ?? -1) <= 0) {
                    changeFormField.change(false);
                  } else {
                    changeFormField.change(true);
                  }
                },
              ),
              Row(
                  mainAxisSize: MainAxisSize.min,
                  mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                  crossAxisAlignment: CrossAxisAlignment.center,
                  children: [
                    Expanded(
                      flex: 2,
                      child: Container(
                        height: 86,
                        child: _quantityField(),
                      ),
                    ),
                    SizedBox(
                      width: 16.0,
                    ),
                    Expanded(
                        flex: 1,
                        child: Align(
                          alignment: Alignment.bottomCenter,
                          child: _dropdownUnitTypes(),
                        )),
                  ]),
              _buttonInForm()
            ],
          ),
        ));
  }

  _resetForm() {
    changeSupplyUsing.changeIndexEdit(-1);
    changeButton.resetValue();
    _dosageController.text = "";
    _quantityController.text = "";
    changeUnit.initValue();
    changeSelectedSupply.initValue();
    changeFormField.change(false);
  }

  _hidenKeyboard(BuildContext context) {
    FocusScopeNode currentFocus = FocusScope.of(context);
    if (!currentFocus.hasPrimaryFocus) {
      currentFocus.unfocus();
    }
  }

  @override
  Widget build(BuildContext context) {
    return Column(
      children: [
        Padding(
          padding: const EdgeInsets.all(8.0),
          child: Align(
            alignment: Alignment.centerLeft,
            child: Text(
              'Hoá chất xử lý',
              style: TextStyle(color: Colors.black54, fontSize: 14),
            ),
          ),
        ),
        _buildListSupply(),
        _formEdit()
      ],
    );
  }
}