Change TPIn #4

lib/features/profile/profile_screen.dart

@@ -194,6 +194,7 @@ class _ProfileScreenState extends State<ProfileScreen> {
             },
           ),
           ListTile(
+            leading: const Icon(Icons.password),
   title: Text('Change TPIN'),
   onTap: () async {
     // 1. Get the AuthService instance

lib/features/profile/tpin/change_tpin_otp_screen.dart

@@ -1,17 +1,16 @@
- import 'dart:async';
- import 'dart:convert';
  import 'package:flutter/material.dart';
  import 'package:kmobile/di/injection.dart';
- import 'package:kmobile/features/dashboard/screens/dashboard_screen.dart';
  import 'package:kmobile/widgets/pin_input_field.dart';
  import '../../../api/services/change_password_service.dart';
 
  class ChangeTpinOtpScreen extends StatefulWidget {
+   final String oldTpin;
    final String newTpin;
-   final String mobileNumber; // Receive mobile number
+   final String mobileNumber;
 
    const ChangeTpinOtpScreen({
      super.key,
+     required this.oldTpin,
      required this.newTpin,
      required this.mobileNumber,
    });
@@ -22,7 +21,8 @@
 
  class _ChangeTpinOtpScreenState extends State<ChangeTpinOtpScreen> {
    final _otpController = TextEditingController();
-   final ChangePasswordService _changePasswordService = getIt<ChangePasswordService>();
+   final ChangePasswordService _changePasswordService =
+       getIt<ChangePasswordService>();
    bool _isLoading = false;
 
    void _handleVerifyOtp() async {
@@ -37,44 +37,43 @@
        _isLoading = true;
      });
 
-     String message = 'An unknown error occurred.';
-     bool success = false;
-
      try {
-       // 1. Validate the OTP
+       // 1. Validate the OTP first.
-       final responseString = await _changePasswordService.validateOtp(
+       await _changePasswordService.validateOtp(
          otp: _otpController.text,
-         mobileNumber: widget.mobileNumber,
+         mobileNumber: '8981274001',
        );
-       final response = jsonDecode(responseString);
 
-       // 2. Check status and set message
+       // 2. If OTP is valid, then call validateChangeTpin.
-       if (response['statusCode'] == 200 || response['statusCode'] == 2000) {
+       await _changePasswordService.validateChangeTpin(
-         message = 'TPIN changed successfully!';
+         oldTpin: widget.oldTpin,
-         success = true;
+         newTpin: widget.newTpin,
-       } else {
+       );
-         message = response['message'] ?? 'Invalid OTP. Please try again.';
+
+       // 3. Show success message.
+       if (mounted) {
+         ScaffoldMessenger.of(context).showSnackBar(
+           const SnackBar(
+             content: Text('TPIN changed successfully!'),
+             backgroundColor: Colors.green,
+           ),
+         );
+         // 4. Navigate back to the profile screen or home.
+         Navigator.of(context).popUntil((route) => route.isFirst);
        }
      } catch (e) {
-       message = 'Failed to verify OTP: $e';
-     } finally {
-       // 3. Show feedback
        if (mounted) {
          ScaffoldMessenger.of(context).showSnackBar(
            SnackBar(
-             content: Text(message),
+             content: Text('An error occurred: $e'),
-             backgroundColor: success ? Colors.green : Colors.red,
+             backgroundColor: Colors.red,
            ),
          );
-
-         // 4. Navigate to dashboard after 5 seconds
-         Timer(const Duration(seconds: 5), () {
-           if (mounted) {
-             Navigator.of(context).pushAndRemoveUntil(
-               MaterialPageRoute(builder: (context) => const DashboardScreen()),
-               (Route<dynamic> route) => false,
-             );
        }
+     } finally {
+       if (mounted) {
+         setState(() {
+           _isLoading = false;
          });
        }
      }

lib/features/profile/tpin/change_tpin_screen.dart

@@ -3,7 +3,6 @@
 import 'package:kmobile/features/profile/tpin/change_tpin_otp_screen.dart';
 import 'package:kmobile/widgets/pin_input_field.dart';
 import '../../../api/services/change_password_service.dart';
- import 'dart:convert';
 
 class ChangeTpinScreen extends StatefulWidget {
   final String mobileNumber;
@@ -18,7 +17,8 @@
   final _oldTpinController = TextEditingController();
   final _newTpinController = TextEditingController();
   final _confirmTpinController = TextEditingController();
-   final ChangePasswordService _changePasswordService = getIt<ChangePasswordService>();
+  final ChangePasswordService _changePasswordService =
+      getIt<ChangePasswordService>();
   bool _isLoading = false;
 
   @override
@@ -35,43 +35,25 @@
         _isLoading = true;
       });
       try {
-         // 1. Validate the current TPIN and new TPIN
+        // 1. Get OTP for TPIN change.
-         final responseString = await _changePasswordService.validateChangeTpin(
-           oldTpin: _oldTpinController.text,
-           newTpin: _newTpinController.text,
-         );
-
-         // The service throws an exception for non-200 HTTP status,
-         // so we assume HTTP 200 here and check the body.
-         final response = jsonDecode(responseString);
-
-         // 2. Check the status code from the response body
-         if (response.statusCode == 200) {
-           // 3. Get OTP for TPIN change
         await _changePasswordService.getOtpTpin(mobileNumber: '8981274001');
 
-           // 4. Navigate to OTP screen
+        // 2. Navigate to the OTP screen on success.
         if (mounted) {
           Navigator.of(context).push(
             MaterialPageRoute(
               builder: (context) => ChangeTpinOtpScreen(
+                oldTpin: _oldTpinController.text,
                 newTpin: _newTpinController.text,
-                   mobileNumber: '8981274001', // Pass mobile number
+                mobileNumber: '8981274001',
               ),
             ),
           );
         }
-         } else {
-           if (mounted) {
-             ScaffoldMessenger.of(context).showSnackBar(
-               SnackBar(content: Text(response['message'] ?? 'Invalid TPIN details')
-             ));
-           }
-         }
       } catch (e) {
         if (mounted) {
           ScaffoldMessenger.of(context).showSnackBar(
-             SnackBar(content: Text('An error occurred: $e')),
+            SnackBar(content: Text('Failed to send OTP: $e')),
           );
         }
       } finally {