gecko/lib/models/myWallets.dart

import 'dart:io';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:gecko/globals.dart';
import 'package:gecko/models/walletData.dart';
import 'package:provider/provider.dart';

class MyWalletsProvider with ChangeNotifier {
  List<WalletData> listWallets = [];
  String pinCode;
  int pinLenght;

  int getCurrentChest() {
    File _currentChestFile = File('${walletsDirectory.path}/currentChest.conf');

    bool isCurrentChestExist = _currentChestFile.existsSync();
    if (!isCurrentChestExist) {
      _currentChestFile.createSync();
      _currentChestFile.writeAsString('0');
    }
    return int.parse(_currentChestFile.readAsStringSync());
  }

  bool checkIfWalletExist() {
    if (appPath == null) {
      return false;
    }

    final List _walletList = readAllWallets(0);

    if (_walletList.isEmpty) {
      log.i('No wallets detected');
      return false;
    } else {
      return true;
    }
  }

  List<WalletData> readAllWallets(int _chest) {
    walletBox.toMap().forEach((key, value) {
      if (value.chest == _chest) {
        listWallets.add(value);
      }
    });

    return listWallets;
  }

  WalletData getWalletData(String _id) {
    if (_id == '') return WalletData();
    int _chest = int.parse(_id.split(':')[0]);
    int _nbr = int.parse(_id.split(':')[1]);

    walletBox.toMap().forEach((key, value) {
      if (value.chest == _chest && value.number == _nbr) {
        return value;
      }
    });

    return WalletData();
  }

  void getDefaultWallet() {
    if (defaultWallet == null) {
      configBox.put('defaultWallet', [0, 0]);
    }
    defaultWallet = configBox.get('defaultWallet');
  }

  Future<int> deleteAllWallet(context) async {
    MyWalletsProvider _myWalletProvider =
        Provider.of<MyWalletsProvider>(context, listen: false);
    try {
      log.w('DELETE THAT ?: $walletsDirectory');

      final bool _answer = await _confirmDeletingAllWallets(context);
      if (_answer) {
        await walletsDirectory.delete(recursive: true);
        await defaultWalletFile.delete();
        await walletsDirectory.create();
        // await Future.delayed(Duration(milliseconds: 500));
        // scheduleMicrotask(() {
        notifyListeners();
        rebuildWidget();
        _myWalletProvider.rebuildWidget();
        // });

        Navigator.pop(context);
      }
      return 0;
    } catch (e) {
      return 1;
    }
  }

  Future<bool> _confirmDeletingAllWallets(context) async {
    return showDialog<bool>(
      context: context,
      barrierDismissible: true, // user must tap button!
      builder: (BuildContext context) {
        return AlertDialog(
          title:
              Text('Êtes-vous sûr de vouloir supprimer tous vos trousseaux ?'),
          content: SingleChildScrollView(child: Text('')),
          actions: <Widget>[
            TextButton(
              child: Text("Non"),
              onPressed: () {
                Navigator.pop(context, false);
              },
            ),
            TextButton(
              key: Key('confirmDeletingAllWallets'),
              child: Text("Oui"),
              onPressed: () {
                Navigator.pop(context, true);
              },
            ),
          ],
        );
      },
    );
  }

  Future<void> generateNewDerivation(context, String _name) async {
    int _newDerivationNbr;
    int _newWalletNbr;
    final _walletConfig = File('${walletsDirectory.path}/0/list.conf');

    if (await _walletConfig.readAsString() == '') {
      _newDerivationNbr = 3;
      _newWalletNbr = 0;
    } else {
      String _lastWallet =
          await _walletConfig.readAsLines().then((value) => value.last);
      int _lastDerivation = int.parse(_lastWallet.split(':')[3]);
      _newDerivationNbr = _lastDerivation + 3;

      int _lastWalletNbr = int.parse(_lastWallet.split(':')[1]);
      _newWalletNbr = _lastWalletNbr + 1;
    }

    await _walletConfig.writeAsString(
        '\n0:$_newWalletNbr:$_name:$_newDerivationNbr',
        mode: FileMode.append);

    notifyListeners();

    Navigator.pop(context);
  }

  void rebuildWidget() {
    notifyListeners();
  }
}