Positive Pay fixed, yojna accounts created

lib/api/services/cheque_service.dart

@@ -162,4 +162,30 @@ class ChequeService {
     );
     return response.toString();
   }
+
+  Future registerPPS({
+    required String cheque_no,
+    required String account_number,
+    String? issue_date,
+    String? amount,
+    String? payee_name,
+    required String tpin,
+  }) async {
+    final response = await _dio.post(
+      '/api/pps',
+      options: Options(
+        validateStatus: (int? status) => true,
+        receiveDataWhenStatusError: true,
+      ),
+      data: {
+        'cheque_no': cheque_no,
+        'account_number': account_number,
+        'issue_date': issue_date,
+        'amount': amount,
+        'payee_name': payee_name,
+        'tpin': tpin,
+      },
+    );
+    return response.toString();
+  }
 }

lib/data/models/beneficiary.dart

@@ -6,6 +6,7 @@ class Beneficiary {
   final String ifscCode;
   final String? bankName;
   final String? branchName;
+  final String? transactionLimit;
   final String? tpin;
 
   Beneficiary({
@@ -16,6 +17,7 @@ class Beneficiary {
     required this.ifscCode,
     this.bankName,
     this.branchName,
+    this.transactionLimit,
     this.tpin,
   });
 
@@ -30,6 +32,7 @@ class Beneficiary {
       ifscCode: json['ifsc_code'] ?? json['ifscCode'] ?? '',
       bankName: json['bank_name'] ?? json['bankName'] ?? '',
       branchName: json['branch_name'] ?? json['branchName'] ?? '',
+      transactionLimit: json['transactionLimit'] ?? '',
     );
   }
 

lib/features/beneficiaries/screens/beneficiary_details_screen.dart

@@ -119,6 +119,7 @@ class BeneficiaryDetailsScreen extends StatelessWidget {
                       beneficiary.ifscCode),
                   _buildDetailRow('${AppLocalizations.of(context).branchName} ',
                       beneficiary.branchName ?? 'N/A'),
+                  _buildDetailRow("Beneficiary Transactional Limit", beneficiary.transactionLimit ?? 'N/A'), 
                   const Spacer(),
                   Row(
                     mainAxisAlignment: MainAxisAlignment.spaceEvenly,

lib/features/cheque/screens/positive_pay_screen.dart

@@ -1,5 +1,11 @@
+import 'dart:convert';
+
+import 'package:dio/dio.dart';
 import 'package:flutter/material.dart';
+import 'package:kmobile/api/services/cheque_service.dart';
 import 'package:kmobile/data/models/user.dart';
+import 'package:kmobile/di/injection.dart';
+import 'package:kmobile/features/fund_transfer/screens/transaction_pin_screen.dart';
 import 'package:kmobile/l10n/app_localizations.dart';
 
 class PositivePayScreen extends StatefulWidget {
@@ -16,25 +22,41 @@ class PositivePayScreen extends StatefulWidget {
 }
 
 class _PositivePayScreenState extends State<PositivePayScreen> {
+  User? _selectedAccount;
+  List<User> _filteredUsers = [];
   final _formKey = GlobalKey<FormState>();
-  final _accountNumberController = TextEditingController();
   final _chequeNumberController = TextEditingController();
   final _chequeDateController = TextEditingController();
   final _amountController = TextEditingController();
   final _payeeController = TextEditingController();
+  final _chequeService = getIt<ChequeService>();
 
   @override
   void initState() {
     super.initState();
+        _filteredUsers = widget.users
+        .where((user) => ['SA', 'SB', 'CA', 'CC'].contains(user.accountType))
+        .toList();
     // Pre-fill the account number if possible
-    if (widget.users.isNotEmpty) {
-      _accountNumberController.text = widget.users[widget.selectedIndex].accountNo!;
+    if (widget.users.isNotEmpty && widget.selectedIndex < widget.users.length) {
+      if (_filteredUsers.isNotEmpty) {
+        if (_filteredUsers.contains(widget.users[widget.selectedIndex])) {
+          _selectedAccount = widget.users[widget.selectedIndex];
+        } else {
+          _selectedAccount = _filteredUsers.first;
+        }
+      } else {
+        _selectedAccount = widget.users[widget.selectedIndex];
+      }
+    } else {
+      if (_filteredUsers.isNotEmpty) {
+        _selectedAccount = _filteredUsers.first;
+      }
     }
   }
 
   @override
   void dispose() {
-    _accountNumberController.dispose();
     _chequeNumberController.dispose();
     _chequeDateController.dispose();
     _amountController.dispose();
@@ -42,6 +64,33 @@ class _PositivePayScreenState extends State<PositivePayScreen> {
     super.dispose();
   }
 
+Future<void> _showResponseDialog(String title, String message) async {
+    return showDialog<void>(
+      context: context,
+      barrierDismissible: false, // user must tap button!
+      builder: (BuildContext context) {
+        return AlertDialog(
+          title: Text(title),
+          content: SingleChildScrollView(
+            child: ListBody(
+              children: <Widget>[
+                Text(message),
+              ],
+            ),
+          ),
+          actions: <Widget>[
+            TextButton(
+              child: Text(AppLocalizations.of(context).closeButton),
+              onPressed: () {
+                Navigator.of(context).pop();
+              },
+            ),
+          ],
+        );
+      },
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -59,16 +108,26 @@ class _PositivePayScreenState extends State<PositivePayScreen> {
             crossAxisAlignment: CrossAxisAlignment.stretch,
             children: <Widget>[
               const SizedBox(height: 16.0),
-              TextFormField(
-                controller: _accountNumberController,
+              DropdownButtonFormField<User>(
+                value: _selectedAccount,
                 decoration: InputDecoration(
                   labelText: AppLocalizations.of(context).accountNumber,
                   border: const OutlineInputBorder(),
                 ),
-                keyboardType: TextInputType.number,
+                items: _filteredUsers.map((user) {
+                  return DropdownMenuItem<User>(
+                    value: user,
+                    child: Text(user.accountNo.toString()),
+                  );
+                }).toList(),
+                onChanged: (User? newUser) {
+                  setState(() {
+                    _selectedAccount = newUser;
+                  });
+                },
                 validator: (value) {
-                  if (value == null || value.isEmpty) {
-                    return 'Please enter account number';
+                  if (value == null) {
+                    return AppLocalizations.of(context).accountNumberRequired;
                   }
                   return null;
                 },
@@ -106,7 +165,7 @@ class _PositivePayScreenState extends State<PositivePayScreen> {
                   );
                   if (pickedDate != null) {
                     // Format the date as you wish
-                    String formattedDate = "${pickedDate.day}-${pickedDate.month}-${pickedDate.year}";
+                    String formattedDate = "${pickedDate.year}-${pickedDate.month.toString().padLeft(2, '0')}-${pickedDate.day.toString().padLeft(2, '0')}";
                     _chequeDateController.text = formattedDate;
                   }
                 },
@@ -146,8 +205,58 @@ class _PositivePayScreenState extends State<PositivePayScreen> {
                 onPressed: () {
                   if (_formKey.currentState!.validate()) {
                     // Process data
-                    ScaffoldMessenger.of(context).showSnackBar(
-                      SnackBar(content: Text(AppLocalizations.of(context).processingData)),
+                    Navigator.push(
+                      context,
+                      MaterialPageRoute(
+                        builder: (context) => TransactionPinScreen(
+                          onPinCompleted: (ctx, pin) async {
+                            Navigator.pop(context);
+                            try {
+                              final response = await _chequeService.registerPPS(
+                                cheque_no: _chequeNumberController.text,
+                                account_number:
+                                    _selectedAccount!.accountNo!,
+                                issue_date:
+                                    _chequeDateController.text,
+                                amount: _amountController.text,
+                                payee_name: _payeeController.text,
+                                tpin: pin,
+                              );
+                              if (!mounted) return;
+                              String responseString = response.toString();
+                              if(responseString == 'PPS Registered Successfully'){
+                                _showResponseDialog('REGISTRATION SUCCESFUL',
+                                      'Your Positive Pay Request has been registered succesfully');
+                              }
+                              if(responseString.contains('Cheque already registered')){
+                                _showResponseDialog('ERROR',
+                                      'Your Request for the selected cheque number has already been registered');
+                              }
+                              if(responseString.contains('INCORRECT_TPIN')){
+                                _showResponseDialog('Invalid TPIN',
+                                      'The TPIN you entered is incorrect. Please try again.');
+                              }
+                            } on DioException catch (e) {
+                              try {
+                                final errorBodyString =
+                                    e.toString().split('Exception: ')[1];
+                                    final errorBody = jsonDecode(errorBodyString);
+                                    if (errorBody.containsKey('error') &&
+                                    errorBody['error'] == 'INCORRECT_TPIN') {
+                                  _showResponseDialog('Invalid TPIN',
+                                      'The TPIN you entered is incorrect. Please try again.');
+                                } else {
+                                  _showResponseDialog(
+                                      'Error', 'Internal Server Error');
+                                }
+                              } catch (_) {
+                                _showResponseDialog(
+                                    'Error', 'Internal Server Error');
+                              }
+                            }
+                          },
+                        ),
+                      ),
                     );
                   }
                 },

lib/features/service/screens/service_screen.dart

@@ -1,6 +1,7 @@
 import 'package:kmobile/features/account_opening/screens/account_opening_screen.dart';
 import 'package:kmobile/features/card/screens/card_management_screen.dart';
 import 'package:kmobile/features/service/screens/atm_locator_screen.dart';
+import 'package:kmobile/features/yojna/screens/pm_main_screen.dart';
 import '../../../l10n/app_localizations.dart';
 import 'package:flutter/material.dart';
 import 'package:material_symbols_icons/material_symbols_icons.dart';
@@ -71,28 +72,41 @@ class _ServiceScreen extends State<ServiceScreen> {
                     disabled: false,
                   ),
                 ),
+                // Expanded(
+                //   child: ServiceManagementTile(
+                //     icon: Symbols.box,
+                //     label: "Account Opening",
+                //     onTap: () {
+                //       Navigator.push(
+                //           context, 
+                //           MaterialPageRoute(
+                //               builder: (context) => const AccountOpeningScreen()));
+                //     },
+                //     disabled: false,
+                //   ),
+                // ),
+                // Expanded(
+                //   child: ServiceManagementTile(
+                //     icon: Symbols.credit_card,
+                //     label: AppLocalizations.of(context).cardManagement,
+                //     onTap: () {
+                //       Navigator.push(
+                //           context, 
+                //           MaterialPageRoute(
+                //               builder: (context) => const CardManagementScreen()));
+                //     },
+                //     disabled: false,
+                //   ),
+                // ),
                 Expanded(
                   child: ServiceManagementTile(
-                    icon: Symbols.box,
-                    label: "Account Opening",
+                    icon: Symbols.family_group,
+                    label: "Pradhan Mantri Yojna",
                     onTap: () {
                       Navigator.push(
                           context,
                           MaterialPageRoute(
-                              builder: (context) => const AccountOpeningScreen()));
-                    },
-                    disabled: false,
-                  ),
-                ),
-                Expanded(
-                  child: ServiceManagementTile(
-                    icon: Symbols.credit_card,
-                    label: AppLocalizations.of(context).cardManagement,
-                    onTap: () {
-                      Navigator.push(
-                          context, 
-                          MaterialPageRoute(
-                              builder: (context) => const CardManagementScreen()));
+                              builder: (context) => const PMMainScreen()));
                     },
                     disabled: false,
                   ),

lib/features/yojna/screens/pm_main_screen.dart

@@ -0,0 +1,147 @@
+import 'package:flutter/material.dart';
+import 'package:kmobile/l10n/app_localizations.dart';
+
+class PMMainScreen extends StatefulWidget {
+  const PMMainScreen({super.key});
+
+  @override
+  State<PMMainScreen> createState() => _PMMainScreenState();
+}
+
+class _PMMainScreenState extends State<PMMainScreen> {
+  final TextEditingController _accountController = TextEditingController();
+  String? _selectedScheme;
+
+  final List<String> _schemes = [
+    'Pradhan Mantri Jeevan Jyoti Bima Yojana (PMJJBY)',
+    'Pradhan Mantri Suraksha Bima Yojana (PMSBY)',
+  ];
+
+  @override
+  void dispose() {
+    _accountController.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Pradhan Mantri Yojana'),
+        centerTitle: false,
+      ),
+      body: SingleChildScrollView(
+        padding: const EdgeInsets.all(16.0),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.stretch,
+          children: [
+            Card(
+              elevation: 2,
+              child: Padding(
+                padding: const EdgeInsets.all(16.0),
+                child: Text(
+                  "Create and Enquire about your Pradhan Mantri Jeevan Jyoti Bima Yojana (PMJJBY) and Pradhan Mantri Suraksha Bima Yojana(PMSBY) schemes.",
+                  style: Theme.of(context).textTheme.titleMedium,
+                ),
+              ),
+            ),
+            const SizedBox(height: 16),
+            Card(
+              elevation: 2,
+              child: Padding(
+                padding: const EdgeInsets.all(16.0),
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    TextField(
+                      controller: _accountController,
+                      decoration: const InputDecoration(
+                        labelText: 'Account Number',
+                        border: OutlineInputBorder(),
+                      ),
+                      keyboardType: TextInputType.number,
+                    ),
+                    const SizedBox(height: 16),
+                    DropdownButtonFormField<String>(
+                      value: _selectedScheme,
+                      decoration: const InputDecoration(
+                        labelText: 'Scheme',
+                        border: OutlineInputBorder(),
+                      ),
+                      items: _schemes.map((String scheme) {
+                        return DropdownMenuItem<String>(
+                          value: scheme,
+                          child: Text(
+                            scheme,
+                            style: const TextStyle(fontSize: 12),
+                            overflow: TextOverflow.ellipsis,
+                          ),
+                        );
+                      }).toList(),
+                      onChanged: (String? newValue) {
+                        setState(() {
+                          _selectedScheme = newValue;
+                        });
+                      },
+                      isExpanded: true,
+                    ),
+                  ],
+                ),
+              ),
+            ),
+            const SizedBox(height: 24),
+            Row(
+              children: [
+                Expanded(
+                  child: ElevatedButton(
+                    onPressed: () {
+                      // Action for Create button
+                    },
+                    style: ElevatedButton.styleFrom(
+                      backgroundColor:
+                          Theme.of(context).colorScheme.primaryContainer,
+                      foregroundColor:
+                          Theme.of(context).colorScheme.onPrimaryContainer,
+                      padding: const EdgeInsets.symmetric(vertical: 16),
+                      elevation: 4,
+                      shape: RoundedRectangleBorder(
+                        borderRadius: BorderRadius.circular(8),
+                      ),
+                    ),
+                    child: const Text(
+                      "Create",
+                      style: TextStyle(fontWeight: FontWeight.bold),
+                    ),
+                  ),
+                ),
+                const SizedBox(width: 16),
+                Expanded(
+                  child: ElevatedButton(
+                    onPressed: () {
+                      // Action for Enquiry button
+                    },
+                    style: ElevatedButton.styleFrom(
+                      backgroundColor:
+                          Theme.of(context).colorScheme.primaryContainer,
+                      foregroundColor:
+                          Theme.of(context).colorScheme.onPrimaryContainer,
+                      padding: const EdgeInsets.symmetric(vertical: 16),
+                      elevation: 4,
+                      shape: RoundedRectangleBorder(
+                        borderRadius: BorderRadius.circular(8),
+                      ),
+                    ),
+                    child: Text(
+                      AppLocalizations.of(context).enquiry,
+                      style: const TextStyle(fontWeight: FontWeight.bold),
+                    ),
+                  ),
+                ),
+              ],
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/main.dart

@@ -15,7 +15,7 @@ void main() async {
   ]);
 
   // Check for device compromise
-  // final compromisedMessage = await SecurityService.deviceCompromisedMessage;
+  //  final compromisedMessage = await SecurityService.deviceCompromisedMessage;
   // if (compromisedMessage != null) {
   //   runApp(MaterialApp(
   //     home: SecurityErrorScreen(message: compromisedMessage),

test/features/accounts/screens/account_statement_screen_test.dart

@@ -0,0 +1,499 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:get_it/get_it.dart';
+import 'package:kmobile/data/models/transaction.dart';
+import 'package:kmobile/data/models/user.dart';
+import 'package:kmobile/data/repositories/transaction_repository.dart';
+import 'package:kmobile/features/accounts/screens/account_statement_screen.dart';
+import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:kmobile/l10n/app_localizations.dart';
+
+// ─── Mock TransactionRepository ──────────────────────────────────────────────
+
+class MockTransactionRepository implements TransactionRepository {
+  List<Transaction> mockTransactions = [];
+  bool shouldThrow = false;
+  String? lastAccountNo;
+  DateTime? lastFromDate;
+  DateTime? lastToDate;
+  int callCount = 0;
+
+  @override
+  Future<List<Transaction>> fetchTransactions(
+    String accountNo, {
+    DateTime? fromDate,
+    DateTime? toDate,
+  }) async {
+    callCount++;
+    lastAccountNo = accountNo;
+    lastFromDate = fromDate;
+    lastToDate = toDate;
+
+    if (shouldThrow) {
+      throw Exception('Network error');
+    }
+    return mockTransactions;
+  }
+}
+
+// ─── Test Helpers ────────────────────────────────────────────────────────────
+
+final getIt = GetIt.instance;
+
+User _createTestUser({
+  String accountNo = '1234567890',
+  String name = 'Test User',
+  String availableBalance = '50000',
+  String branchId = 'BR001',
+  String cifNumber = 'CIF123',
+  String address = '123 Main Street',
+}) {
+  return User(
+    accountNo: accountNo,
+    accountType: 'SB',
+    branchId: branchId,
+    currency: 'INR',
+    availableBalance: availableBalance,
+    currentBalance: availableBalance,
+    name: name,
+    mobileNo: '9876543210',
+    address: address,
+    picode: '176215',
+    cifNumber: cifNumber,
+  );
+}
+
+Transaction _createTestTransaction({
+  String id = '1',
+  String name = 'UPI Payment',
+  String date = '01-01-2026',
+  String amount = '1000',
+  String type = 'DR',
+  String balance = '49000',
+  String balanceType = 'CR',
+}) {
+  return Transaction(
+    id: id,
+    name: name,
+    date: date,
+    amount: amount,
+    type: type,
+    balance: balance,
+    balanceType: balanceType,
+  );
+}
+
+/// Wraps the widget with MaterialApp + localizations for testing
+Widget _buildTestApp({
+  required List<User> users,
+  int selectedIndex = 0,
+}) {
+  return MaterialApp(
+    localizationsDelegates: const [
+      AppLocalizations.delegate,
+      GlobalMaterialLocalizations.delegate,
+      GlobalWidgetsLocalizations.delegate,
+      GlobalCupertinoLocalizations.delegate,
+    ],
+    supportedLocales: const [Locale('en')],
+    locale: const Locale('en'),
+    home: AccountStatementScreen(
+      users: users,
+      selectedIndex: selectedIndex,
+    ),
+  );
+}
+
+// ─── Tests ───────────────────────────────────────────────────────────────────
+
+void main() {
+  late MockTransactionRepository mockRepo;
+  late User testUser;
+  late User testUser2;
+
+  setUp(() {
+    // Reset GetIt before each test
+    getIt.reset();
+
+    mockRepo = MockTransactionRepository();
+    getIt.registerSingleton<TransactionRepository>(mockRepo);
+
+    testUser = _createTestUser();
+    testUser2 = _createTestUser(
+      accountNo: '9876543210',
+      name: 'Second User',
+      availableBalance: '75000',
+    );
+  });
+
+  tearDown(() {
+    getIt.reset();
+  });
+
+  // ═══════════════════════════════════════════════════════════════════════════
+  // GROUP 1: Screen Rendering
+  // ═══════════════════════════════════════════════════════════════════════════
+  group('Screen Rendering', () {
+    testWidgets('renders AppBar with "Account Statement" title', (tester) async {
+      await tester.pumpWidget(_buildTestApp(users: [testUser]));
+      await tester.pumpAndSettle();
+
+      expect(find.text('Account Statement'), findsOneWidget);
+    });
+
+    testWidgets('renders account number card with label', (tester) async {
+      await tester.pumpWidget(_buildTestApp(users: [testUser]));
+      await tester.pumpAndSettle();
+
+      expect(find.text('Account Number'), findsOneWidget);
+    });
+
+    testWidgets('renders available balance card', (tester) async {
+      await tester.pumpWidget(_buildTestApp(users: [testUser]));
+      await tester.pumpAndSettle();
+
+      // The balance text shows ' ₹ 50000'
+      expect(find.textContaining('50000'), findsOneWidget);
+    });
+
+    testWidgets('renders From Date and To Date filter boxes', (tester) async {
+      await tester.pumpWidget(_buildTestApp(users: [testUser]));
+      await tester.pumpAndSettle();
+
+      expect(find.text('From Date'), findsOneWidget);
+      expect(find.text('To Date'), findsOneWidget);
+    });
+
+    testWidgets('renders Search button', (tester) async {
+      await tester.pumpWidget(_buildTestApp(users: [testUser]));
+      await tester.pumpAndSettle();
+
+      expect(find.text('Search'), findsOneWidget);
+    });
+
+    testWidgets('renders floating action button for PDF download',
+        (tester) async {
+      await tester.pumpWidget(_buildTestApp(users: [testUser]));
+      await tester.pumpAndSettle();
+
+      expect(find.byType(FloatingActionButton), findsOneWidget);
+      expect(find.byIcon(Icons.download), findsOneWidget);
+    });
+
+    testWidgets('renders watermark logo with low opacity', (tester) async {
+      await tester.pumpWidget(_buildTestApp(users: [testUser]));
+      await tester.pumpAndSettle();
+
+      // There should be an Opacity widget wrapping the logo
+      final opacityFinder = find.byWidgetPredicate(
+        (widget) => widget is Opacity && widget.opacity == 0.07,
+      );
+      expect(opacityFinder, findsOneWidget);
+    });
+  });
+
+  // ═══════════════════════════════════════════════════════════════════════════
+  // GROUP 2: Account Dropdown
+  // ═══════════════════════════════════════════════════════════════════════════
+  group('Account Dropdown', () {
+    testWidgets('displays selected user account number in dropdown',
+        (tester) async {
+      await tester.pumpWidget(_buildTestApp(users: [testUser, testUser2]));
+      await tester.pumpAndSettle();
+
+      expect(find.text('1234567890'), findsOneWidget);
+    });
+
+    testWidgets('dropdown shows all user accounts when tapped',
+        (tester) async {
+      await tester.pumpWidget(_buildTestApp(users: [testUser, testUser2]));
+      await tester.pumpAndSettle();
+
+      // Tap the dropdown
+      await tester.tap(find.byType(DropdownButton<User>));
+      await tester.pumpAndSettle();
+
+      // Both accounts should be visible in the dropdown menu
+      expect(find.text('1234567890'), findsWidgets);
+      expect(find.text('9876543210'), findsWidgets);
+    });
+
+    testWidgets('selecting another account triggers transaction reload',
+        (tester) async {
+      await tester.pumpWidget(_buildTestApp(users: [testUser, testUser2]));
+      await tester.pumpAndSettle();
+
+      final initialCallCount = mockRepo.callCount;
+
+      // Open dropdown and select second user
+      await tester.tap(find.byType(DropdownButton<User>));
+      await tester.pumpAndSettle();
+
+      // Tap the second account (appears in the overlay)
+      await tester.tap(find.text('9876543210').last);
+      await tester.pumpAndSettle();
+
+      // Verify repository was called again with the new account
+      expect(mockRepo.callCount, greaterThan(initialCallCount));
+      expect(mockRepo.lastAccountNo, '9876543210');
+    });
+
+    testWidgets('balance updates when user is switched', (tester) async {
+      await tester.pumpWidget(_buildTestApp(users: [testUser, testUser2]));
+      await tester.pumpAndSettle();
+
+      expect(find.textContaining('50000'), findsOneWidget);
+
+      // Switch to second user
+      await tester.tap(find.byType(DropdownButton<User>));
+      await tester.pumpAndSettle();
+      await tester.tap(find.text('9876543210').last);
+      await tester.pumpAndSettle();
+
+      // Balance should now show second user's balance
+      expect(find.textContaining('75000'), findsOneWidget);
+    });
+  });
+
+  // ═══════════════════════════════════════════════════════════════════════════
+  // GROUP 3: Loading State
+  // ═══════════════════════════════════════════════════════════════════════════
+  group('Loading State', () {
+    testWidgets('shows shimmer loading effect initially', (tester) async {
+      // Make the repo slow so loading state is visible
+      mockRepo = MockTransactionRepository();
+      getIt.allowReassignment = true;
+      getIt.registerSingleton<TransactionRepository>(mockRepo);
+
+      await tester.pumpWidget(_buildTestApp(users: [testUser]));
+      // Don't call pumpAndSettle — we want to see the loading state
+      await tester.pump();
+
+      // Check for shimmer placeholders (CircleAvatar is used in loading tiles)
+      expect(find.byType(CircleAvatar), findsWidgets);
+    });
+  });
+
+  // ═══════════════════════════════════════════════════════════════════════════
+  // GROUP 4: Empty State
+  // ═══════════════════════════════════════════════════════════════════════════
+  group('Empty State', () {
+    testWidgets('shows "No Transactions" when list is empty', (tester) async {
+      mockRepo.mockTransactions = [];
+
+      await tester.pumpWidget(_buildTestApp(users: [testUser]));
+      await tester.pumpAndSettle();
+
+      expect(find.text('No Transactions'), findsOneWidget);
+    });
+  });
+
+  // ═══════════════════════════════════════════════════════════════════════════
+  // GROUP 5: Transaction List
+  // ═══════════════════════════════════════════════════════════════════════════
+  group('Transaction List', () {
+    testWidgets('displays transaction list when data is loaded',
+        (tester) async {
+      mockRepo.mockTransactions = [
+        _createTestTransaction(
+          name: 'UPI Payment',
+          date: '01-01-2026',
+          amount: '1000',
+          type: 'DR',
+          balance: '49000',
+        ),
+        _createTestTransaction(
+          id: '2',
+          name: 'Salary Credit',
+          date: '02-01-2026',
+          amount: '50000',
+          type: 'CR',
+          balance: '99000',
+        ),
+      ];
+
+      await tester.pumpWidget(_buildTestApp(users: [testUser]));
+      await tester.pumpAndSettle();
+
+      expect(find.text('01-01-2026'), findsOneWidget);
+      expect(find.text('02-01-2026'), findsOneWidget);
+      expect(find.text('UPI Payment'), findsOneWidget);
+      expect(find.text('Salary Credit'), findsOneWidget);
+    });
+
+    testWidgets('displays amounts with rupee symbol', (tester) async {
+      mockRepo.mockTransactions = [
+        _createTestTransaction(amount: '1500', balance: '48500'),
+      ];
+
+      await tester.pumpWidget(_buildTestApp(users: [testUser]));
+      await tester.pumpAndSettle();
+
+      expect(find.text('₹1500'), findsOneWidget);
+      expect(find.text('Bal: ₹48500'), findsOneWidget);
+    });
+
+    testWidgets('truncates long transaction names to 22 characters',
+        (tester) async {
+      mockRepo.mockTransactions = [
+        _createTestTransaction(
+          name: 'This is a very long transaction name exceeding limit',
+        ),
+      ];
+
+      await tester.pumpWidget(_buildTestApp(users: [testUser]));
+      await tester.pumpAndSettle();
+
+      // Only first 22 characters should be displayed
+      expect(find.text('This is a very long tr'), findsOneWidget);
+    });
+
+    testWidgets('shows "Last 10 Transactions" label when no date filter set',
+        (tester) async {
+      mockRepo.mockTransactions = [
+        _createTestTransaction(),
+      ];
+
+      await tester.pumpWidget(_buildTestApp(users: [testUser]));
+      await tester.pumpAndSettle();
+
+      expect(find.text('Last 10 Transactions'), findsOneWidget);
+    });
+
+    testWidgets('credit transactions show green icon', (tester) async {
+      mockRepo.mockTransactions = [
+        _createTestTransaction(type: 'CR'),
+      ];
+
+      await tester.pumpWidget(_buildTestApp(users: [testUser]));
+      await tester.pumpAndSettle();
+
+      // Find the Icon for credit transactions (call_received)
+      final iconFinder = find.byWidgetPredicate(
+        (widget) =>
+            widget is Icon && widget.color == const Color(0xFF10BB10),
+      );
+      expect(iconFinder, findsOneWidget);
+    });
+  });
+
+  // ═══════════════════════════════════════════════════════════════════════════
+  // GROUP 6: Error State
+  // ═══════════════════════════════════════════════════════════════════════════
+  group('Error State', () {
+    testWidgets('shows snackbar on transaction load failure', (tester) async {
+      mockRepo.shouldThrow = true;
+
+      await tester.pumpWidget(_buildTestApp(users: [testUser]));
+      await tester.pumpAndSettle();
+
+      expect(find.byType(SnackBar), findsOneWidget);
+      expect(find.textContaining('Failed to load transactions'), findsOneWidget);
+    });
+  });
+
+  // ═══════════════════════════════════════════════════════════════════════════
+  // GROUP 7: Date Filters
+  // ═══════════════════════════════════════════════════════════════════════════
+  group('Date Filters', () {
+    testWidgets('tapping "From Date" opens a date picker', (tester) async {
+      await tester.pumpWidget(_buildTestApp(users: [testUser]));
+      await tester.pumpAndSettle();
+
+      await tester.tap(find.text('From Date'));
+      await tester.pumpAndSettle();
+
+      // The DatePicker dialog should be open
+      expect(find.byType(DatePickerDialog), findsOneWidget);
+    });
+
+    testWidgets('tapping "To Date" without From Date shows error snackbar',
+        (tester) async {
+      await tester.pumpWidget(_buildTestApp(users: [testUser]));
+      await tester.pumpAndSettle();
+
+      await tester.tap(find.text('To Date'));
+      await tester.pumpAndSettle();
+
+      // Should show snackbar asking to select From Date first
+      expect(find.byType(SnackBar), findsOneWidget);
+    });
+  });
+
+  // ═══════════════════════════════════════════════════════════════════════════
+  // GROUP 8: Search Button
+  // ═══════════════════════════════════════════════════════════════════════════
+  group('Search Button', () {
+    testWidgets('pressing Search reloads transactions', (tester) async {
+      await tester.pumpWidget(_buildTestApp(users: [testUser]));
+      await tester.pumpAndSettle();
+
+      final callCountBefore = mockRepo.callCount;
+
+      await tester.tap(find.text('Search'));
+      await tester.pumpAndSettle();
+
+      expect(mockRepo.callCount, greaterThan(callCountBefore));
+    });
+  });
+
+  // ═══════════════════════════════════════════════════════════════════════════
+  // GROUP 9: PDF Export
+  // ═══════════════════════════════════════════════════════════════════════════
+  group('PDF Export', () {
+    testWidgets(
+        'pressing download FAB with no transactions shows snackbar',
+        (tester) async {
+      mockRepo.mockTransactions = [];
+
+      await tester.pumpWidget(_buildTestApp(users: [testUser]));
+      await tester.pumpAndSettle();
+
+      await tester.tap(find.byType(FloatingActionButton));
+      await tester.pumpAndSettle();
+
+      expect(find.text('No transactions to export.'), findsOneWidget);
+    });
+  });
+
+  // ═══════════════════════════════════════════════════════════════════════════
+  // GROUP 10: Selected Index
+  // ═══════════════════════════════════════════════════════════════════════════
+  group('Selected Index', () {
+    testWidgets('uses selectedIndex to pick initial user', (tester) async {
+      await tester.pumpWidget(
+        _buildTestApp(users: [testUser, testUser2], selectedIndex: 1),
+      );
+      await tester.pumpAndSettle();
+
+      // Second user's balance should be shown
+      expect(find.textContaining('75000'), findsOneWidget);
+
+      // Repository should have been called with second user's account
+      expect(mockRepo.lastAccountNo, '9876543210');
+    });
+  });
+
+  // ═══════════════════════════════════════════════════════════════════════════
+  // GROUP 11: Navigation
+  // ═══════════════════════════════════════════════════════════════════════════
+  group('Navigation', () {
+    testWidgets('tapping a transaction navigates to details screen',
+        (tester) async {
+      mockRepo.mockTransactions = [
+        _createTestTransaction(name: 'Test Payment'),
+      ];
+
+      await tester.pumpWidget(_buildTestApp(users: [testUser]));
+      await tester.pumpAndSettle();
+
+      // Tap on the transaction ListTile
+      await tester.tap(find.text('Test Payment'));
+      await tester.pumpAndSettle();
+
+      // We should have navigated away from the statement screen
+      // The TransactionDetailsScreen should now be visible
+      expect(find.byType(AccountStatementScreen), findsNothing);
+    });
+  });
+}