fcs/lib/pages/carton/mix_carton/mix_carton_form.dart

// ignore_for_file: deprecated_member_use

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
import 'package:provider/provider.dart';

import '../../../constants.dart';
import '../../../domain/entities/carton.dart';
import '../../../domain/entities/carton_size.dart';
import '../../../domain/entities/fcs_shipment.dart';
import '../../../domain/vo/local_step.dart';
import '../../../helpers/theme.dart';
import '../../main/util.dart';
import '../../widgets/local_text.dart';
import '../../widgets/progress.dart';
import '../../widgets/step_widget.dart';
import '../model/carton_selection_model.dart';
import 'carton_selection_widget.dart';
import 'mix_carton_submit.dart';
import 'type_widget.dart';

class MixCartonForm extends StatefulWidget {
  const MixCartonForm({Key? key}) : super(key: key);

  @override
  State<MixCartonForm> createState() => _MixCartonFormState();
}

class _MixCartonFormState extends State<MixCartonForm> {
  var dateFormatter = DateFormat('dd MMM yyyy');
  final NumberFormat numberFormatter = NumberFormat("#,###");
  List<LocalStep> steps = [
    LocalStep(lable: 'Type', stepType: StepType.TYPE),
    LocalStep(lable: 'Cartons', stepType: StepType.CARTONS),
    LocalStep(lable: 'Submit', stepType: StepType.SUBMIT)
  ];
  List<Carton> _cartons = [];

  int currentStep = 0;
  double _length = 0;
  double _width = 0;
  double _height = 0;

  FcsShipment? _shipment;
  String _cartonSizeType = standardCarton;
  CartonSize? _standardSize;
  bool _isLoading = false;

  @override
  void initState() {
    context.read<CartonSelectionModel>().clearSelection();
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return WillPopScope(
      onWillPop: () {
        if (currentStep == 0) {
          Navigator.of(context).pop();
        }
        if (currentStep > 0) {
          setState(() {
            currentStep -= 1;
          });
        }

        return Future.value(false);
      },
      child: LocalProgress(
          inAsyncCall: _isLoading,
          child: Scaffold(
              appBar: AppBar(
                elevation: 0,
                centerTitle: true,
                leading: IconButton(
                  icon: const Icon(CupertinoIcons.back,
                      color: primaryColor, size: 25),
                  onPressed: () {
                    if (currentStep == 0) {
                      Navigator.of(context).pop();
                    }
                    if (currentStep > 0) {
                      setState(() {
                        currentStep -= 1;
                      });
                    }
                  },
                ),
                backgroundColor: Colors.white,
                title: LocalText(context, 'boxes.new',
                    color: primaryColor, fontSize: 20),
              ),
              body: Column(
                children: [
                  StepperWidget(
                    labels: steps.map((e) => e.lable).toList(),
                    currentStep: currentStep,
                    eachStepWidth: MediaQuery.of(context).size.width / 3,
                    onChange: (index) {
                      if (index > currentStep) {
                        return;
                      }
                      setState(() {
                        currentStep = index;
                      });
                    },
                  ),
                  getContent(currentStep)
                ],
              ))),
    );
  }

  Widget getContent(int index) {
    var step = steps[index];
    if (step.stepType == StepType.TYPE) {
      return Expanded(
          child: TypeWidget(
        shipment: _shipment,
        cartonSizeType: _cartonSizeType,
        standardSize: _standardSize,
        length: _length,
        width: _width,
        height: _height,
        onPrevious: () {
          Navigator.pop(context);
        },
        onContinue: (shipment, cartonSizeType,
            {standardSize, length, width, height}) {
          setState(() {
            _shipment = shipment;
            _cartonSizeType = cartonSizeType;
            _standardSize = standardSize;
            _length = length ?? 0;
            _width = width ?? 0;
            _height = height ?? 0;
            currentStep += 1;
          });
        },
      ));
    } else if (step.stepType == StepType.CARTONS) {
      return Expanded(
        child: CartonSelectionWidget(
          shipment: _shipment!,
          cartons: _cartons,
          onContinue: (cartons) {
            setState(() {
              _cartons = List.from(cartons);
              currentStep += 1;
            });
          },
          onPrevious: (cartons) {
            setState(() {
              _cartons = List.from(cartons);
              currentStep -= 1;
            });
          },
        ),
      );
    } else {
      return Expanded(
        child: MixCartonSubmit(
          cartonSizeType: _cartonSizeType,
          standardSize: _standardSize,
          length: _length,
          width: _width,
          height: _height,
          shipment: _shipment!,
          cartons: _cartons,
          onCreate: () {
            _create();
          },
          onPrevious: () {
            setState(() {
              currentStep -= 1;
            });
          },
        ),
      );
    }
  }

  _create() async {
    setState(() {
      _isLoading = true;
    });
    try {
      Navigator.pop(context, true);
    } catch (e) {
      showMsgDialog(context, "Error", e.toString());
    } finally {
      setState(() {
        _isLoading = false;
      });
    }
  }
}