Files
kmobile/lib/features/profile/change_mpin_screen.dart
2025-11-11 14:18:37 +05:30

97 lines
2.6 KiB
Dart

import 'package:flutter/material.dart';
import 'package:kmobile/features/auth/screens/mpin_screen.dart';
import 'package:kmobile/security/secure_storage.dart';
import 'package:kmobile/di/injection.dart';
import '../../l10n/app_localizations.dart';
class ChangeMpinScreen extends StatefulWidget {
const ChangeMpinScreen({super.key});
@override
State<ChangeMpinScreen> createState() => _ChangeMpinScreenState();
}
class _ChangeMpinScreenState extends State<ChangeMpinScreen> {
@override
void initState() {
super.initState();
// Start the flow after the widget is built
WidgetsBinding.instance.addPostFrameCallback((_) {
_startChangeMpin();
});
}
void _startChangeMpin() async {
final loc = AppLocalizations.of(context);
// Step 1: Verify old PIN
final oldPinVerified = await Navigator.of(context).push<bool>(
MaterialPageRoute(
builder: (_) => MPinScreen(
mode: MPinMode.enter,
disableBiometric: true,
customTitle: loc.enterOldMpin,
onCompleted: (oldPin) => _verifyOldPin(oldPin),
),
),
);
if (oldPinVerified != true) {
if (mounted) Navigator.of(context).pop(false);
return;
}
// Step 2 & 3: Set new PIN (which will internally navigate to confirm)
// The onCompleted will be called after both set and confirm succeed
final success = await Navigator.of(context).push<bool>(
MaterialPageRoute(
builder: (_) => MPinScreen(
mode: MPinMode.set,
customTitle: loc.enterNewMpin,
customConfirmTitle: loc.confirmNewMpin,
onCompleted: (newPin) async {
// This is called after confirm succeeds and PIN is saved
if (context.mounted) {
Navigator.of(context).pop(true);
}
},
),
),
);
if (mounted) {
Navigator.of(context).pop(success == true);
}
}
Future<void> _verifyOldPin(String oldPin) async {
final storage = getIt<SecureStorage>();
final storedPin = await storage.read('mpin');
if (storedPin == int.tryParse(oldPin)) {
// Old PIN is correct
if (mounted) {
Navigator.of(context).pop(true);
}
} else {
// This shouldn't happen as MPinScreen handles validation
if (mounted) {
Navigator.of(context).pop(false);
}
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(AppLocalizations.of(context).changeMpin),
centerTitle: true,
),
body: const Center(
child: CircularProgressIndicator(),
),
);
}
}