TPIN Set Screen OTP Implemented

lib/api/services/change_password_service.dart

@@ -22,6 +22,23 @@ class ChangePasswordService {
     return response.toString();
   }
 
+    Future getOtpTpin({
+    required String mobileNumber,
+  }) async {
+    final response = await _dio.post(
+      '/api/otp/send',
+      data: {
+        'mobileNumber': mobileNumber,
+        'type': "CHANGE_TPIN"
+      },
+    );
+    if (response.statusCode != 200) {
+      throw Exception("Invalid Mobile Number/Type");
+    }
+    print(response.toString());
+    return response.toString();
+  }
+
  
  Future validateOtp({
     required String otp,

lib/features/fund_transfer/screens/tpin_otp_screen.dart

@@ -1,6 +1,8 @@
 import '../../../l10n/app_localizations.dart';
 import 'package:flutter/material.dart';
 import 'package:kmobile/features/fund_transfer/screens/tpin_set_screen.dart';
+import 'package:kmobile/api/services/change_password_service.dart';
+import 'package:kmobile/di/injection.dart';
 
 class TpinOtpScreen extends StatefulWidget {
   const TpinOtpScreen({super.key});
@@ -10,11 +12,13 @@ class TpinOtpScreen extends StatefulWidget {
 }
 
 class _TpinOtpScreenState extends State<TpinOtpScreen> {
-  final List<FocusNode> _focusNodes = List.generate(4, (_) => FocusNode());
+  final List<FocusNode> _focusNodes = List.generate(6, (_) => FocusNode());
   final List<TextEditingController> _controllers = List.generate(
-    4,
+    6,
     (_) => TextEditingController(),
   );
+   bool _isLoading = false;
+ final ChangePasswordService _changePasswordService = getIt<ChangePasswordService>();
 
   @override
   void dispose() {
@@ -28,7 +32,7 @@ class _TpinOtpScreenState extends State<TpinOtpScreen> {
   }
 
   void _onOtpChanged(int idx, String value) {
-    if (value.length == 1 && idx < 3) {
+    if (value.length == 1 && idx <5) {
       _focusNodes[idx + 1].requestFocus();
     }
     if (value.isEmpty && idx > 0) {
@@ -39,130 +43,162 @@ class _TpinOtpScreenState extends State<TpinOtpScreen> {
 
   String get _enteredOtp => _controllers.map((c) => c.text).join();
 
-  void _verifyOtp() {
-    if (_enteredOtp == '0000') {
+void _verifyOtp() async {
+  setState(() {
+    _isLoading = true;
+  });
+
+  try {
+    // IMPORTANT: You may need to pass the mobile number here as well
+    await _changePasswordService.validateOtp(
+      otp: _enteredOtp,
+      mobileNumber: '8981274001', // Replace with actual mobile number
+    );
+
+    if (mounted) {
       Navigator.pushReplacement(
         context,
-        MaterialPageRoute(builder: (_) => TpinSetScreen()),
+        MaterialPageRoute(builder: (_) => const TpinSetScreen()),
       );
-    } else {
+    }
+  } catch (e) {
+    if (mounted) {
       ScaffoldMessenger.of(context).showSnackBar(
         SnackBar(content: Text(AppLocalizations.of(context).invalidOtp)),
       );
     }
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    final theme = Theme.of(context);
-    return Scaffold(
-      appBar: AppBar(
-        title: Text(AppLocalizations.of(context).enterOtp),
-        centerTitle: true,
-        elevation: 0,
-      ),
-      body: Center(
-        child: SingleChildScrollView(
-          child: Column(
-            // mainAxisSize: MainAxisSize.min,
-            children: [
-              Icon(
-                Icons.lock_outline,
-                size: 48,
-                color: theme.colorScheme.primary,
-              ),
-              const SizedBox(height: 16),
-              Text(
-                AppLocalizations.of(context).otpVerification,
-                style: theme.textTheme.titleLarge?.copyWith(
-                  fontWeight: FontWeight.bold,
-                  color: theme.colorScheme.primary,
-                ),
-              ),
-              const SizedBox(height: 8),
-              Text(
-                AppLocalizations.of(context).otpSentMessage,
-                textAlign: TextAlign.center,
-                style: theme.textTheme.bodyMedium?.copyWith(
-                  color: Colors.grey[700],
-                ),
-              ),
-              const SizedBox(height: 32),
-              Row(
-                mainAxisAlignment: MainAxisAlignment.center,
-                children: List.generate(4, (i) {
-                  return Container(
-                    width: 48,
-                    margin: const EdgeInsets.symmetric(horizontal: 8),
-                    child: TextField(
-                      controller: _controllers[i],
-                      focusNode: _focusNodes[i],
-                      keyboardType: TextInputType.number,
-                      textAlign: TextAlign.center,
-                      maxLength: 1,
-                      obscureText: true,
-                      obscuringCharacter: '⬤',
-                      decoration: InputDecoration(
-                        counterText: '',
-                        filled: true,
-                        fillColor: Theme.of(context).primaryColorLight,
-                        border: OutlineInputBorder(
-                          borderRadius: BorderRadius.circular(12),
-                          borderSide: BorderSide(
-                            color: theme.colorScheme.primary,
-                            width: 2,
-                          ),
-                        ),
-                        focusedBorder: OutlineInputBorder(
-                          borderRadius: BorderRadius.circular(12),
-                          borderSide: BorderSide(
-                            color: theme.colorScheme.primary,
-                            width: 2.5,
-                          ),
-                        ),
-                      ),
-                      onChanged: (val) => _onOtpChanged(i, val),
-                    ),
-                  );
-                }),
-              ),
-              const SizedBox(height: 32),
-              ElevatedButton.icon(
-                icon: const Icon(Icons.verified_user_rounded),
-                label: Text(
-                  AppLocalizations.of(context).verifyOtp,
-                  style: const TextStyle(
-                      fontSize: 18, fontWeight: FontWeight.w600),
-                ),
-                style: ElevatedButton.styleFrom(
-                  backgroundColor: theme.colorScheme.onPrimary,
-                  padding: const EdgeInsets.symmetric(
-                    vertical: 14,
-                    horizontal: 28,
-                  ),
-                  shape: RoundedRectangleBorder(
-                    borderRadius: BorderRadius.circular(30),
-                  ),
-                ),
-                onPressed: _enteredOtp.length == 4 ? _verifyOtp : null,
-              ),
-              const SizedBox(height: 16),
-              TextButton(
-                onPressed: () {
-                  // Resend OTP logic here
-                  ScaffoldMessenger.of(context).showSnackBar(
-                    SnackBar(
-                      content: Text(AppLocalizations.of(context).otpResent),
-                    ),
-                  );
-                },
-                child: Text(AppLocalizations.of(context).resendOtp),
-              ),
-              const SizedBox(height: 60),
-            ],
-          ),
-        ),
-      ),
-    );
+  } finally {
+    if (mounted) {
+      setState(() {
+        _isLoading = false;
+      });
+    }
   }
 }
+
+  @override
+ Widget build(BuildContext context) {
+   final theme = Theme.of(context);
+   return Scaffold(
+     appBar: AppBar(
+       title: Text(AppLocalizations.of(context).enterOtp),
+       centerTitle: true,
+       elevation: 0,
+     ),
+     body: Center(
+       child: SingleChildScrollView(
+         child: Column(
+           children: [
+             Icon(
+               Icons.lock_outline,
+               size: 48,
+               color: theme.colorScheme.primary,
+             ),
+             const SizedBox(height: 16),
+             Text(
+               AppLocalizations.of(context).otpVerification,
+               style: theme.textTheme.titleLarge?.copyWith(
+                 fontWeight: FontWeight.bold,
+                 color: theme.colorScheme.primary,
+               ),
+             ),
+             const SizedBox(height: 8),
+             Text(
+               AppLocalizations.of(context).otpSentMessage,
+               textAlign: TextAlign.center,
+               style: theme.textTheme.bodyMedium?.copyWith(
+                 color: Colors.grey[700],
+               ),
+             ),
+             const SizedBox(height: 32),
+             Row(
+               mainAxisAlignment: MainAxisAlignment.center,
+               children: List.generate(6, (i) {
+                 return Container(
+                   width: 32,
+                   margin: const EdgeInsets.symmetric(horizontal: 8),
+                   child: TextField(
+                     controller: _controllers[i],
+                     focusNode: _focusNodes[i],
+                     keyboardType: TextInputType.number,
+                     textAlign: TextAlign.center,
+                     maxLength: 1,
+                     obscureText: true,
+                     obscuringCharacter: '*',
+                     decoration: InputDecoration(
+                       counterText: '',
+                       filled: true,
+                       fillColor: Theme.of(context).primaryColorLight,
+                       border: OutlineInputBorder(
+                         borderRadius: BorderRadius.circular(12),
+                         borderSide: BorderSide(
+                           color: theme.colorScheme.primary,
+                           width: 2,
+                         ),
+                       ),
+                       focusedBorder: OutlineInputBorder(
+                         borderRadius: BorderRadius.circular(12),
+                         borderSide: BorderSide(
+                           color: theme.colorScheme.primary,
+                           width: 2.5,
+                         ),
+                       ),
+                     ),
+                     onChanged: (val) => _onOtpChanged(i, val),
+                   ),
+                 );
+               }),
+             ),
+             const SizedBox(height: 32),
+             ElevatedButton.icon(
+               // Update icon to show a loading indicator
+               icon: _isLoading
+                   ? const SizedBox(
+                       width: 20,
+                       height: 20,
+                       child: CircularProgressIndicator(
+                         color: Colors.white,
+                         strokeWidth: 2,
+                       ),
+                     )
+                   : const Icon(Icons.verified_user_rounded),
+               label: Text(
+                 AppLocalizations.of(context).verifyOtp,
+                 style: const TextStyle(
+                     fontSize: 18, fontWeight: FontWeight.w600),
+               ),
+               style: ElevatedButton.styleFrom(
+                 backgroundColor: theme.colorScheme.onPrimary,
+                 padding: const EdgeInsets.symmetric(
+                   vertical: 14,
+                   horizontal: 28,
+                 ),
+                 shape: RoundedRectangleBorder(
+                   borderRadius: BorderRadius.circular(30),
+                 ),
+               ),
+               // Update onPressed to handle loading state
+               onPressed: (_enteredOtp.length == 6 && !_isLoading)
+                   ? _verifyOtp
+                   : null,
+             ),
+             const SizedBox(height: 16),
+             TextButton(
+               onPressed: () {
+                 // You can also add a getOtp call here for resending
+                 ScaffoldMessenger.of(context).showSnackBar(
+                   SnackBar(
+                     content: Text(AppLocalizations.of(context).otpResent),
+                   ),
+                 );
+               },
+               child: Text(AppLocalizations.of(context).resendOtp),
+             ),
+             const SizedBox(height: 60),
+           ],
+         ),
+       ),
+     ),
+   );
+ }
+ }

lib/features/fund_transfer/screens/tpin_prompt_screen.dart

@@ -1,10 +1,48 @@
 import '../../../l10n/app_localizations.dart';
 import 'package:flutter/material.dart';
 import 'package:kmobile/features/fund_transfer/screens/tpin_otp_screen.dart';
+import 'package:kmobile/api/services/change_password_service.dart'; // <-- Add this import
+import 'package:kmobile/di/injection.dart'; // <-- Add this import
 
-class TpinSetupPromptScreen extends StatelessWidget {
+class TpinSetupPromptScreen extends StatefulWidget {
   const TpinSetupPromptScreen({super.key});
 
+  @override
+  State<TpinSetupPromptScreen> createState() => _TpinSetupPromptScreenState();
+}
+
+ class _TpinSetupPromptScreenState extends State<TpinSetupPromptScreen> {
+   // 3. Add state variables
+   bool _isLoading = false;
+   final ChangePasswordService _changePasswordService = getIt<ChangePasswordService>();
+   Future<void> _getOtp() async {
+  setState(() {
+    _isLoading = true;
+  });
+
+  try {
+    await _changePasswordService.getOtp(mobileNumber: '8981274001');
+    if (mounted) {
+      Navigator.pushReplacement(
+        context,
+        MaterialPageRoute(builder: (_) => const TpinOtpScreen()),
+      );
+    }
+  } catch (e) {
+    if (mounted) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text('Error: ${e.toString()}')),
+      );
+    }
+  } finally {
+    if (mounted) {
+      setState(() {
+        _isLoading = false;
+      });
+    }
+  }
+}
+
   @override
   Widget build(BuildContext context) {
     final theme = Theme.of(context);
@@ -37,30 +75,33 @@ class TpinSetupPromptScreen extends StatelessWidget {
               ),
             ),
             const SizedBox(height: 32),
-            ElevatedButton.icon(
-              icon: const Icon(Icons.arrow_forward_rounded),
-              label: Text(
-                AppLocalizations.of(context).setTpin,
-                style:
-                    const TextStyle(fontSize: 18, fontWeight: FontWeight.w600),
-              ),
-              style: ElevatedButton.styleFrom(
-                backgroundColor: theme.colorScheme.onPrimary,
-                padding: const EdgeInsets.symmetric(
-                  vertical: 14,
-                  horizontal: 32,
-                ),
-                shape: RoundedRectangleBorder(
-                  borderRadius: BorderRadius.circular(10),
-                ),
-              ),
-              onPressed: () {
-                Navigator.pushReplacement(
-                  context,
-                  MaterialPageRoute(builder: (_) => const TpinOtpScreen()),
-                );
-              },
-            ),
+ElevatedButton.icon(
+  icon: _isLoading
+      ? const SizedBox(
+          width: 20,
+          height: 20,
+          child: CircularProgressIndicator(
+            color: Colors.white,
+            strokeWidth: 2,
+          ),
+        )
+      : const Icon(Icons.arrow_forward_rounded),
+  label: Text(
+    AppLocalizations.of(context).setTpin,
+    style: const TextStyle(fontSize: 18, fontWeight: FontWeight.w600),
+  ),
+  style: ElevatedButton.styleFrom(
+    backgroundColor: theme.colorScheme.onPrimary,
+    padding: const EdgeInsets.symmetric(
+      vertical: 14,
+      horizontal: 32,
+    ),
+    shape: RoundedRectangleBorder(
+      borderRadius: BorderRadius.circular(10),
+    ),
+  ),
+  onPressed: _isLoading ? null : _getOtp, // <-- Use the new function
+),
             const SizedBox(height: 18),
             Padding(
               padding: const EdgeInsets.symmetric(horizontal: 18.0),
@@ -77,4 +118,4 @@ class TpinSetupPromptScreen extends StatelessWidget {
       ),
     );
   }
-}
+}