terminal and trans records api impl

lib/data/repositories/api_merchant_repository.dart

@@ -2,6 +2,7 @@ import 'dart:convert';
 
 import 'package:e_receipt_mobile/domain/entities/merchant.dart';
 import 'package:e_receipt_mobile/domain/repositories/merchant_repository.dart';
+import 'package:e_receipt_mobile/domain/entities/terminal.dart';
 import 'package:http/http.dart' as http;
 
 class ApiMerchantRepository implements MerchantRepository {
@@ -34,12 +35,40 @@ class ApiMerchantRepository implements MerchantRepository {
     throw Exception(_extractErrorMessage(response.body));
   }
 
+  @override
+  Future<List<Terminal>> getTerminalsByMerchantId({
+    required String token,
+    required String merchantId,
+  }) async {
+    final uri = Uri.parse('$baseUrl/receipt/terminal/list/$merchantId');
+    final response = await _client.get(
+      uri,
+      headers: {
+        'Content-Type': 'application/json',
+        'x-api-key': apiSecret,
+        'Authorization': 'Bearer ${token.trim()}',
+      },
+    );
+
+    if (response.statusCode >= 200 && response.statusCode < 300) {
+      return _parseTerminals(response.body);
+    }
+
+    throw Exception(_extractErrorMessage(response.body));
+  }
+
   List<Merchant> _parseMerchants(String body) {
     final decoded = _tryDecode(body);
     final list = _extractList(decoded);
     return list.map(_merchantFromItem).whereType<Merchant>().toList();
   }
 
+  List<Terminal> _parseTerminals(String body) {
+    final decoded = _tryDecode(body);
+    final list = _extractTerminalList(decoded);
+    return list.map(_terminalFromItem).whereType<Terminal>().toList();
+  }
+
   dynamic _tryDecode(String body) {
     try {
       return jsonDecode(body);
@@ -76,6 +105,34 @@ class ApiMerchantRepository implements MerchantRepository {
     return const <dynamic>[];
   }
 
+  List<dynamic> _extractTerminalList(dynamic decoded) {
+    if (decoded is List<dynamic>) {
+      return decoded;
+    }
+    if (decoded is Map<String, dynamic>) {
+      final directTerminals = decoded['terminals'];
+      if (directTerminals is List<dynamic>) {
+        return directTerminals;
+      }
+
+      final data =
+          decoded['data'] ??
+          decoded['result'] ??
+          decoded['payload'] ??
+          decoded['terminalData'];
+      if (data is List<dynamic>) {
+        return data;
+      }
+      if (data is Map<String, dynamic>) {
+        final nestedTerminals = data['terminals'];
+        if (nestedTerminals is List<dynamic>) {
+          return nestedTerminals;
+        }
+      }
+    }
+    return const <dynamic>[];
+  }
+
   Merchant? _merchantFromItem(dynamic item) {
     if (item is! Map<String, dynamic>) {
       return null;
@@ -98,6 +155,33 @@ class ApiMerchantRepository implements MerchantRepository {
     );
   }
 
+  Terminal? _terminalFromItem(dynamic item) {
+    if (item is! Map<String, dynamic>) {
+      return null;
+    }
+
+    return Terminal(
+      id: _pickString(item, const ['id', 'terminalId', 'terminal_id']),
+      serial: _pickString(item, const ['serial']),
+      address: _pickString(item, const ['address']),
+      address2: _pickString(item, const ['address2']),
+      address3: _pickString(item, const ['address3']),
+      name: _pickString(item, const ['name', 'terminalName', 'terminal_name']),
+      appId: _pickString(item, const ['appId', 'app_id']),
+      tid: _pickString(item, const ['tid', 'terminalNo', 'terminal_no']),
+      mids: _pickStringList(item, const ['mid', 'mids']),
+      merchantId: _pickString(item, const ['merchantId', 'merchant_id']),
+      status: _pickString(item, const ['status']),
+      totalTransactions: _pickInt(
+        item,
+        const ['totalTransactions', 'total_transactions'],
+      ),
+      totalAmount: _pickNum(item, const ['totalAmount', 'total_amount']),
+      createdAt: _pickString(item, const ['createdAt', 'created_at']),
+      updatedAt: _pickString(item, const ['updatedAt', 'updated_at']),
+    );
+  }
+
   String? _pickString(Map<String, dynamic> data, List<String> keys) {
     for (final key in keys) {
       final value = data[key];
@@ -108,6 +192,58 @@ class ApiMerchantRepository implements MerchantRepository {
     return null;
   }
 
+  List<String>? _pickStringList(Map<String, dynamic> data, List<String> keys) {
+    for (final key in keys) {
+      final value = data[key];
+      if (value is List) {
+        final results = value
+            .where((e) => e != null && e.toString().trim().isNotEmpty)
+            .map((e) => e.toString().trim())
+            .toList();
+        return results.isEmpty ? null : results;
+      }
+      if (value != null && value.toString().trim().isNotEmpty) {
+        return <String>[value.toString().trim()];
+      }
+    }
+    return null;
+  }
+
+  int? _pickInt(Map<String, dynamic> data, List<String> keys) {
+    for (final key in keys) {
+      final value = data[key];
+      if (value is int) {
+        return value;
+      }
+      if (value is num) {
+        return value.toInt();
+      }
+      if (value != null) {
+        final parsed = int.tryParse(value.toString().trim());
+        if (parsed != null) {
+          return parsed;
+        }
+      }
+    }
+    return null;
+  }
+
+  num? _pickNum(Map<String, dynamic> data, List<String> keys) {
+    for (final key in keys) {
+      final value = data[key];
+      if (value is num) {
+        return value;
+      }
+      if (value != null) {
+        final parsed = num.tryParse(value.toString().trim());
+        if (parsed != null) {
+          return parsed;
+        }
+      }
+    }
+    return null;
+  }
+
   String _extractErrorMessage(String body) {
     final decoded = _tryDecode(body);
     if (decoded is Map<String, dynamic>) {

lib/data/repositories/api_transaction_repository.dart

@@ -0,0 +1,136 @@
+import 'dart:convert';
+
+import 'package:e_receipt_mobile/domain/entities/transaction_record.dart';
+import 'package:e_receipt_mobile/domain/repositories/transaction_repository.dart';
+import 'package:http/http.dart' as http;
+
+class ApiTransactionRepository implements TransactionRepository {
+  ApiTransactionRepository({
+    required this.baseUrl,
+    required this.apiSecret,
+    required http.Client client,
+  }) : _client = client;
+
+  final String baseUrl;
+  final String apiSecret;
+  final http.Client _client;
+
+  @override
+  Future<List<TransactionRecord>> getTransactions({
+    required String token,
+    required String serial,
+  }) async {
+    final uri = Uri.parse(
+      '$baseUrl/receipt/transaction',
+    ).replace(queryParameters: {'serial': serial});
+
+    final response = await _client.get(
+      uri,
+      headers: {
+        'Content-Type': 'application/json',
+        'x-api-key': apiSecret,
+        'Authorization': 'Bearer ${token.trim()}',
+      },
+    );
+
+    if (response.statusCode >= 200 && response.statusCode < 300) {
+      return _parseTransactions(response.body);
+    }
+
+    throw Exception(_extractErrorMessage(response.body));
+  }
+
+  List<TransactionRecord> _parseTransactions(String body) {
+    final decoded = _tryDecode(body);
+    final list = _extractTransactionList(decoded);
+    return list
+        .map((item) => _transactionFromItem(item))
+        .whereType<TransactionRecord>()
+        .toList();
+  }
+
+  dynamic _tryDecode(String body) {
+    try {
+      return jsonDecode(body);
+    } catch (_) {
+      return null;
+    }
+  }
+
+  List<dynamic> _extractTransactionList(dynamic decoded) {
+    if (decoded is List<dynamic>) {
+      return decoded;
+    }
+    if (decoded is Map<String, dynamic>) {
+      final direct = decoded['transactions'];
+      if (direct is List<dynamic>) {
+        return direct;
+      }
+
+      final data = decoded['data'] ?? decoded['result'] ?? decoded['payload'];
+      if (data is List<dynamic>) {
+        return data;
+      }
+      if (data is Map<String, dynamic>) {
+        final nested = data['transactions'];
+        if (nested is List<dynamic>) {
+          return nested;
+        }
+      }
+    }
+    return const <dynamic>[];
+  }
+
+  TransactionRecord? _transactionFromItem(dynamic item) {
+    if (item is! Map<String, dynamic>) {
+      return null;
+    }
+
+    return TransactionRecord(
+      id: _pickString(item, const ['id', 'transactionId', 'transaction_id']),
+      rrn: _pickString(item, const ['rrn', 'referenceNo', 'reference_no']),
+      amount: _pickNum(item, const ['amount', 'totalAmount', 'total_amount']),
+      status: _pickString(item, const ['status']),
+      type: _pickString(item, const ['type', 'transactionType']),
+      createdAt: _pickString(item, const ['createdAt', 'created_at']),
+      raw: item,
+    );
+  }
+
+  String? _pickString(Map<String, dynamic> data, List<String> keys) {
+    for (final key in keys) {
+      final value = data[key];
+      if (value != null && value.toString().trim().isNotEmpty) {
+        return value.toString().trim();
+      }
+    }
+    return null;
+  }
+
+  num? _pickNum(Map<String, dynamic> data, List<String> keys) {
+    for (final key in keys) {
+      final value = data[key];
+      if (value is num) {
+        return value;
+      }
+      if (value != null) {
+        final parsed = num.tryParse(value.toString().trim());
+        if (parsed != null) {
+          return parsed;
+        }
+      }
+    }
+    return null;
+  }
+
+  String _extractErrorMessage(String body) {
+    final decoded = _tryDecode(body);
+    if (decoded is Map<String, dynamic>) {
+      final message = decoded['message'] ?? decoded['error'] ?? decoded['detail'];
+      if (message != null) {
+        return message.toString();
+      }
+    }
+    return 'Failed to load transactions';
+  }
+}

lib/domain/entities/terminal.dart

@@ -0,0 +1,35 @@
+class Terminal {
+  const Terminal({
+    this.id,
+    this.serial,
+    this.address,
+    this.address2,
+    this.address3,
+    this.name,
+    this.appId,
+    this.tid,
+    this.mids,
+    this.merchantId,
+    this.status,
+    this.totalTransactions,
+    this.totalAmount,
+    this.createdAt,
+    this.updatedAt,
+  });
+
+  final String? id;
+  final String? serial;
+  final String? address;
+  final String? address2;
+  final String? address3;
+  final String? name;
+  final String? appId;
+  final String? tid;
+  final List<String>? mids;
+  final String? merchantId;
+  final String? status;
+  final int? totalTransactions;
+  final num? totalAmount;
+  final String? createdAt;
+  final String? updatedAt;
+}

lib/domain/entities/transaction_record.dart

@@ -0,0 +1,19 @@
+class TransactionRecord {
+  const TransactionRecord({
+    this.id,
+    this.rrn,
+    this.amount,
+    this.status,
+    this.type,
+    this.createdAt,
+    this.raw,
+  });
+
+  final String? id;
+  final String? rrn;
+  final num? amount;
+  final String? status;
+  final String? type;
+  final String? createdAt;
+  final Map<String, dynamic>? raw;
+}

lib/domain/repositories/merchant_repository.dart

@@ -1,5 +1,11 @@
 import 'package:e_receipt_mobile/domain/entities/merchant.dart';
+import 'package:e_receipt_mobile/domain/entities/terminal.dart';
 
 abstract class MerchantRepository {
   Future<List<Merchant>> getMerchants({required String token});
+
+  Future<List<Terminal>> getTerminalsByMerchantId({
+    required String token,
+    required String merchantId,
+  });
 }

lib/domain/repositories/transaction_repository.dart

@@ -0,0 +1,8 @@
+import 'package:e_receipt_mobile/domain/entities/transaction_record.dart';
+
+abstract class TransactionRepository {
+  Future<List<TransactionRecord>> getTransactions({
+    required String token,
+    required String serial,
+  });
+}

lib/presentation/home/home_screen.dart

@@ -2,6 +2,7 @@ import 'package:e_receipt_mobile/domain/entities/login_user.dart';
 import 'package:e_receipt_mobile/presentation/auth/session_controller.dart';
 import 'package:e_receipt_mobile/presentation/home/home_view_model.dart';
 import 'package:e_receipt_mobile/presentation/login/login_page.dart';
+import 'package:e_receipt_mobile/presentation/terminal/terminal_selection_screen.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 
@@ -41,11 +42,11 @@ class HomeScreen extends ConsumerWidget {
                   _showProfile(context);
                 },
               ),
-              ListTile(
+              // ListTile(
-                leading: const Icon(Icons.storefront_outlined),
+              //   leading: const Icon(Icons.storefront_outlined),
-                title: const Text('Merchants'),
+              //   title: const Text('Merchants'),
-                onTap: () => Navigator.of(context).pop(),
+              //   onTap: () => Navigator.of(context).pop(),
-              ),
+              // ),
               ListTile(
                 leading: const Icon(Icons.analytics_outlined),
                 title: const Text('Reports'),
@@ -115,30 +116,20 @@ class HomeScreen extends ConsumerWidget {
                           itemBuilder: (context, index) {
                             final merchant = merchants[index];
                             return Card(
-                              elevation: 2,
+                              child: ListTile(
-                              shape: RoundedRectangleBorder(
+                                onTap: merchant.id == null
-                                borderRadius: BorderRadius.circular(12),
+                                    ? null
+                                    : () => _openTerminalSelection(
+                                        context,
+                                        merchant.id!,
+                                        merchant.name ?? '-',
                                       ),
-                              child: Padding(
+                                leading: const Icon(Icons.storefront_outlined),
-                                padding: const EdgeInsets.all(12),
+                                trailing: const Icon(Icons.chevron_right),
-                                child: Column(
+                                title: Text(
-                                  crossAxisAlignment: CrossAxisAlignment.start,
-                                  children: [
-                                    Text(
                                   '${index + 1}. ${merchant.name ?? '-'}',
-                                      style: Theme.of(context)
-                                          .textTheme
-                                          .titleMedium,
-                                    ),
-                                    const SizedBox(height: 6),
-                                    Text(
-                                      merchant.address ?? '-',
-                                      style: Theme.of(context)
-                                          .textTheme
-                                          .bodyMedium,
-                                    ),
-                                  ],
                                 ),
+                                subtitle: Text(merchant.address ?? '-'),
                               ),
                             );
                           },
@@ -183,4 +174,19 @@ class HomeScreen extends ConsumerWidget {
       },
     );
   }
+
+  void _openTerminalSelection(
+    BuildContext context,
+    String merchantId,
+    String merchantName,
+  ) {
+    Navigator.of(context).push(
+      MaterialPageRoute<void>(
+        builder: (_) => TerminalSelectionScreen(
+          merchantId: merchantId,
+          merchantName: merchantName,
+        ),
+      ),
+    );
+  }
 }

lib/presentation/home/home_view_model.dart

@@ -1,6 +1,7 @@
 import 'package:e_receipt_mobile/core/config/app_config.dart';
 import 'package:e_receipt_mobile/data/repositories/api_merchant_repository.dart';
 import 'package:e_receipt_mobile/domain/entities/merchant.dart';
+import 'package:e_receipt_mobile/domain/entities/terminal.dart';
 import 'package:e_receipt_mobile/domain/repositories/merchant_repository.dart';
 import 'package:e_receipt_mobile/presentation/auth/session_controller.dart';
 import 'package:e_receipt_mobile/presentation/login/login_view_model.dart';
@@ -24,3 +25,18 @@ final merchantListProvider = FutureProvider<List<Merchant>>((ref) async {
       .watch(merchantRepositoryProvider)
       .getMerchants(token: sessionUser.token);
 });
+
+final terminalListProvider =
+    FutureProvider.family<List<Terminal>, String>((ref, merchantId) async {
+      final sessionUser = ref.watch(sessionControllerProvider);
+      if (sessionUser == null) {
+        throw Exception('No active session');
+      }
+
+      return ref
+          .watch(merchantRepositoryProvider)
+          .getTerminalsByMerchantId(
+            token: sessionUser.token,
+            merchantId: merchantId,
+          );
+    });

lib/presentation/terminal/terminal_next_screen.dart

@@ -0,0 +1,97 @@
+import 'package:e_receipt_mobile/domain/entities/terminal.dart';
+import 'package:e_receipt_mobile/presentation/terminal/transaction_view_model.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+class TerminalNextScreen extends ConsumerWidget {
+  const TerminalNextScreen({
+    required this.merchantName,
+    required this.terminal,
+    super.key,
+  });
+
+  final String merchantName;
+  final Terminal terminal;
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final serial = terminal.serial?.trim() ?? '';
+    final hasSerial = serial.isNotEmpty;
+    final transactionsAsync = hasSerial
+        ? ref.watch(transactionListProvider(serial))
+        : null;
+
+    return Scaffold(
+      appBar: AppBar(title: const Text('Terminal Transactions')),
+      body: Padding(
+        padding: const EdgeInsets.all(16),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Text(
+              'Merchant: $merchantName',
+              style: Theme.of(context).textTheme.titleMedium,
+            ),
+            const SizedBox(height: 8),
+            Text('Terminal: ${terminal.name ?? terminal.tid ?? '-'}'),
+            const SizedBox(height: 4),
+            Text('TID: ${terminal.tid ?? '-'}'),
+            const SizedBox(height: 4),
+            Text(
+              'MIDs: ${(terminal.mids == null || terminal.mids!.isEmpty) ? '-' : terminal.mids!.join(', ')}',
+            ),
+            const SizedBox(height: 4),
+            Text('Serial: ${terminal.serial ?? '-'}'),
+            const SizedBox(height: 4),
+            Text('Address: ${terminal.address ?? '-'}'),
+            const SizedBox(height: 16),
+            Text(
+              'Transactions',
+              style: Theme.of(context).textTheme.titleMedium,
+            ),
+            const SizedBox(height: 8),
+            Expanded(
+              child: !hasSerial
+                  ? const Center(
+                      child: Text('Serial is required to load transactions'),
+                    )
+                  : transactionsAsync!.when(
+                      loading: () =>
+                          const Center(child: CircularProgressIndicator()),
+                      error: (error, _) => Center(
+                        child: Text('Failed to load transactions: $error'),
+                      ),
+                      data: (transactions) {
+                        if (transactions.isEmpty) {
+                          return const Center(
+                            child: Text('No transactions found'),
+                          );
+                        }
+
+                        return ListView.separated(
+                          itemCount: transactions.length,
+                          separatorBuilder: (_, __) =>
+                              const SizedBox(height: 8),
+                          itemBuilder: (context, index) {
+                            final item = transactions[index];
+                            return Card(
+                              child: ListTile(
+                                title: Text(
+                                  'Amount: ${item.amount?.toString() ?? '-'}',
+                                ),
+                                subtitle: Text(
+                                  'Status: ${item.status ?? '-'} | RRN: ${item.rrn ?? '-'}',
+                                ),
+                              ),
+                            );
+                          },
+                        );
+                      },
+                    ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/presentation/terminal/terminal_selection_screen.dart

@@ -0,0 +1,74 @@
+import 'package:e_receipt_mobile/domain/entities/terminal.dart';
+import 'package:e_receipt_mobile/presentation/home/home_view_model.dart';
+import 'package:e_receipt_mobile/presentation/terminal/terminal_next_screen.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+class TerminalSelectionScreen extends ConsumerStatefulWidget {
+  const TerminalSelectionScreen({
+    required this.merchantId,
+    required this.merchantName,
+    super.key,
+  });
+
+  final String merchantId;
+  final String merchantName;
+
+  @override
+  ConsumerState<TerminalSelectionScreen> createState() =>
+      _TerminalSelectionScreenState();
+}
+
+class _TerminalSelectionScreenState
+    extends ConsumerState<TerminalSelectionScreen> {
+  @override
+  Widget build(BuildContext context) {
+    final terminalsAsync = ref.watch(terminalListProvider(widget.merchantId));
+
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('Select Terminals - ${widget.merchantName}'),
+      ),
+      body: terminalsAsync.when(
+        loading: () => const Center(child: CircularProgressIndicator()),
+        error: (error, _) => Center(child: Text('Failed to load terminals: $error')),
+        data: (terminals) {
+          if (terminals.isEmpty) {
+            return const Center(child: Text('No terminals found'));
+          }
+
+          return ListView.separated(
+            padding: const EdgeInsets.all(16),
+            itemCount: terminals.length,
+            separatorBuilder: (_, __) => const SizedBox(height: 8),
+            itemBuilder: (context, index) {
+              final terminal = terminals[index];
+              return Card(
+                child: ListTile(
+                  onTap: () => _openNextScreen(context, terminal),
+                  leading: const Icon(Icons.point_of_sale),
+                  trailing: const Icon(Icons.chevron_right),
+                  title: Text(terminal.name ?? terminal.tid ?? '-'),
+                  subtitle: Text(
+                    'TID: ${terminal.tid ?? '-'} | MIDs: ${(terminal.mids == null || terminal.mids!.isEmpty) ? '-' : terminal.mids!.join(', ')}',
+                  ),
+                ),
+              );
+            },
+          );
+        },
+      ),
+    );
+  }
+
+  void _openNextScreen(BuildContext context, Terminal terminal) {
+    Navigator.of(context).push(
+      MaterialPageRoute<void>(
+        builder: (_) => TerminalNextScreen(
+          merchantName: widget.merchantName,
+          terminal: terminal,
+        ),
+      ),
+    );
+  }
+}

lib/presentation/terminal/transaction_view_model.dart

@@ -0,0 +1,27 @@
+import 'package:e_receipt_mobile/core/config/app_config.dart';
+import 'package:e_receipt_mobile/data/repositories/api_transaction_repository.dart';
+import 'package:e_receipt_mobile/domain/entities/transaction_record.dart';
+import 'package:e_receipt_mobile/domain/repositories/transaction_repository.dart';
+import 'package:e_receipt_mobile/presentation/auth/session_controller.dart';
+import 'package:e_receipt_mobile/presentation/login/login_view_model.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+final transactionRepositoryProvider = Provider<TransactionRepository>((ref) {
+  return ApiTransactionRepository(
+    baseUrl: AppConfig.apiBaseUrl,
+    apiSecret: AppConfig.apiSecret,
+    client: ref.watch(authenticatedHttpClientProvider),
+  );
+});
+
+final transactionListProvider =
+    FutureProvider.family<List<TransactionRecord>, String>((ref, serial) async {
+      final sessionUser = ref.watch(sessionControllerProvider);
+      if (sessionUser == null) {
+        throw Exception('No active session');
+      }
+
+      return ref
+          .watch(transactionRepositoryProvider)
+          .getTransactions(token: sessionUser.token, serial: serial);
+    });