gecko/lib/screens/onBoarding/10.dart

// ignore_for_file: file_names

import 'dart:async';
import 'package:flutter/services.dart';
import 'package:flutter/material.dart';
import 'package:gecko/globals.dart';
import 'package:gecko/models/wallet_data.dart';
import 'package:gecko/providers/generate_wallets.dart';
import 'package:gecko/providers/my_wallets.dart';
import 'package:gecko/providers/substrate_sdk.dart';
import 'package:gecko/providers/wallet_options.dart';
import 'package:gecko/screens/common_elements.dart';
import 'package:gecko/screens/onBoarding/11_congratulations.dart';
import 'package:pin_code_fields/pin_code_fields.dart';
import 'package:provider/provider.dart';

// ignore: must_be_immutable
class OnboardingStepTen extends StatelessWidget {
  OnboardingStepTen({Key? validationKey, this.scanDerivation = false})
      : super(key: validationKey);

  final bool scanDerivation;
  final formKey = GlobalKey<FormState>();
  Color? pinColor = const Color(0xFFA4B600);
  bool hasError = false;

  @override
  Widget build(BuildContext context) {
    SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
    GenerateWalletsProvider _generateWalletProvider =
        Provider.of<GenerateWalletsProvider>(context);
    WalletOptionsProvider _walletOptions =
        Provider.of<WalletOptionsProvider>(context);
    CommonElements common = CommonElements();
    final int _pinLenght = _generateWalletProvider.pin.text.length;

    return Scaffold(
        backgroundColor: backgroundColor,
        appBar: AppBar(
          toolbarHeight: 60 * ratio,
          title: const SizedBox(
            height: 22,
            child: Text(
              'Mon code secret',
              style: TextStyle(fontWeight: FontWeight.w600),
            ),
          ),
        ),
        extendBodyBehindAppBar: true,
        body: SafeArea(
          child: Column(children: <Widget>[
            SizedBox(height: isTall ? 40 : 20),
            common.buildProgressBar(9),
            SizedBox(height: isTall ? 40 : 20),
            common.buildText(<TextSpan>[
              TextSpan(
                  text:
                      "Gecko va vérifier avec vous si vous avez bien mémorisé votre code secret.\n\nTapez votre code secret dans le champ ci-dessous pour vérifier que vous l’avez bien noté.",
                  style: TextStyle(fontSize: 16 * ratio))
            ]),
            SizedBox(height: isTall ? 80 : 20),
            Visibility(
              visible: _generateWalletProvider.scanedWalletNumber != -1,
              child: Padding(
                padding: const EdgeInsets.only(bottom: 15),
                child: SizedBox(
                  height: 22,
                  width: 22,
                  child: CircularProgressIndicator(
                    color: orangeC,
                    strokeWidth: 3,
                  ),
                ),
              ),
            ),
            pinForm(context, _walletOptions, _pinLenght, 1, 2),
            InkWell(
              onTap: () {
                _walletOptions.changePinCacheChoice();
              },
              child: Row(children: [
                const SizedBox(height: 30),
                const Spacer(),
                Icon(
                  configBox.get('isCacheChecked') ?? false
                      ? Icons.check_box
                      : Icons.check_box_outline_blank,
                  color: orangeC,
                ),
                const SizedBox(width: 8),
                Text(
                  'Garder ce code en mémoire 15 minutes',
                  style: TextStyle(fontSize: 16, color: Colors.grey[700]),
                ),
                const Spacer()
              ]),
            ),
            const SizedBox(height: 10),
          ]),
        ));
  }

  Widget pinForm(context, WalletOptionsProvider _walletOptions, _pinLenght,
      int _walletNbr, int _derivation) {
    // var _walletPin = '';
// ignore: close_sinks
    StreamController<ErrorAnimationType> errorController =
        StreamController<ErrorAnimationType>();
    TextEditingController _enterPin = TextEditingController();
    MyWalletsProvider _myWalletProvider =
        Provider.of<MyWalletsProvider>(context);
    GenerateWalletsProvider _generateWalletProvider =
        Provider.of<GenerateWalletsProvider>(context);
    SubstrateSdk _sub = Provider.of<SubstrateSdk>(context, listen: false);

    final int? _currentChest = _myWalletProvider.getCurrentChest();

    return Form(
      key: formKey,
      child: Padding(
          padding: const EdgeInsets.symmetric(vertical: 8.0, horizontal: 30),
          child: PinCodeTextField(
            key: const Key('formKey2'),
            autoFocus: true,
            appContext: context,
            pastedTextStyle: TextStyle(
              color: Colors.green.shade600,
              fontWeight: FontWeight.bold,
            ),
            length: _pinLenght,
            obscureText: true,
            obscuringCharacter: '*',
            animationType: AnimationType.fade,
            validator: (v) {
              if (v!.length < _pinLenght) {
                return "Votre code PIN fait $_pinLenght caractères";
              } else {
                return null;
              }
            },
            pinTheme: PinTheme(
              activeColor: pinColor,
              borderWidth: 4,
              shape: PinCodeFieldShape.box,
              borderRadius: BorderRadius.circular(5),
              fieldHeight: 60,
              fieldWidth: 50,
              activeFillColor: hasError ? Colors.blueAccent : Colors.black,
            ),
            cursorColor: Colors.black,
            animationDuration: const Duration(milliseconds: 300),
            textStyle: const TextStyle(fontSize: 20, height: 1.6),
            backgroundColor: const Color(0xffF9F9F1),
            enableActiveFill: false,
            errorAnimationController: errorController,
            controller: _enterPin,
            keyboardType: TextInputType.visiblePassword,
            boxShadows: const [
              BoxShadow(
                offset: Offset(0, 1),
                color: Colors.black12,
                blurRadius: 10,
              )
            ],
            onCompleted: (_pin) async {
              _myWalletProvider.pinCode = _pin.toUpperCase();
              _myWalletProvider.pinLenght = _pinLenght;
              log.d(_pin + ' || ' + _generateWalletProvider.pin.text);
              if (_pin.toUpperCase() == _generateWalletProvider.pin.text) {
                pinColor = Colors.green[500];

                await _generateWalletProvider.storeHDWChest(context);
                bool isAlive = false;
                if (scanDerivation) {
                  isAlive = await _generateWalletProvider
                      .scanDerivations(context, numberScan: 20);
                }
                if (!isAlive) {
                  final address = await _sub.importAccount(
                      fromMnemonic: true,
                      mnemonic: _generateWalletProvider.generatedMnemonic!,
                      derivePath: '//2',
                      password: _generateWalletProvider.pin.text);
                  WalletData myWallet = WalletData(
                      version: dataVersion,
                      chest: configBox.get('currentChest'),
                      address: address,
                      number: 0,
                      name: 'Mon portefeuille courant',
                      derivation: 2,
                      imageDefaultPath: '0.png');
                  await walletBox.add(myWallet);
                }
                _myWalletProvider.readAllWallets(_currentChest);
                _myWalletProvider.rebuildWidget();

                _generateWalletProvider.generatedMnemonic = '';
                _myWalletProvider.resetPinCode();
                Navigator.push(
                  context,
                  FaderTransition(
                      page: const OnboardingStepEleven(), isFast: false),
                );
              } else {
                errorController.add(ErrorAnimationType
                    .shake); // Triggering error shake animation
                hasError = true;
                pinColor = Colors.red[600];
                _walletOptions.reloadBuild();
              }
            },
            onChanged: (value) {
              if (pinColor != const Color(0xFFA4B600)) {
                pinColor = const Color(0xFFA4B600);
              }
            },
          )),
    );
  }
}