feat: add payment card grouping and analysis

lib/controllers/sms_scan_controller.dart

@@ -1,8 +1,10 @@
 import 'package:flutter/material.dart';
 import '../services/sms_scanner.dart';
 import '../models/subscription.dart';
+import '../models/payment_card_suggestion.dart';
 import '../services/sms_scan/subscription_converter.dart';
 import '../services/sms_scan/subscription_filter.dart';
+import '../services/sms_scan/sms_scan_result.dart';
 import '../providers/subscription_provider.dart';
 import 'package:provider/provider.dart';
 import 'package:flutter/foundation.dart' show kIsWeb;
@@ -11,6 +13,7 @@ import '../utils/logger.dart';
 import '../providers/navigation_provider.dart';
 import '../providers/category_provider.dart';
 import '../l10n/app_localizations.dart';
+import '../providers/payment_card_provider.dart';
 
 class SmsScanController extends ChangeNotifier {
   // 상태 관리
@@ -22,12 +25,18 @@ class SmsScanController extends ChangeNotifier {
 
   List<Subscription> _scannedSubscriptions = [];
   List<Subscription> get scannedSubscriptions => _scannedSubscriptions;
+  PaymentCardSuggestion? _currentSuggestion;
+  PaymentCardSuggestion? get currentSuggestion => _currentSuggestion;
+  bool _shouldSuggestCardCreation = false;
+  bool get shouldSuggestCardCreation => _shouldSuggestCardCreation;
 
   int _currentIndex = 0;
   int get currentIndex => _currentIndex;
 
   String? _selectedCategoryId;
   String? get selectedCategoryId => _selectedCategoryId;
+  String? _selectedPaymentCardId;
+  String? get selectedPaymentCardId => _selectedPaymentCardId;
 
   final TextEditingController websiteUrlController = TextEditingController();
 
@@ -47,6 +56,14 @@ class SmsScanController extends ChangeNotifier {
     notifyListeners();
   }
 
+  void setSelectedPaymentCardId(String? paymentCardId) {
+    _selectedPaymentCardId = paymentCardId;
+    if (paymentCardId != null) {
+      _shouldSuggestCardCreation = false;
+    }
+    notifyListeners();
+  }
+
   void resetWebsiteUrl() {
     websiteUrlController.text = '';
   }
@@ -88,18 +105,18 @@ class SmsScanController extends ChangeNotifier {
 
       // SMS 스캔 실행
       Log.i('SMS 스캔 시작');
-      final scannedSubscriptionModels =
+      final List<SmsScanResult> scanResults =
           await _smsScanner.scanForSubscriptions();
-      Log.d('스캔된 구독: ${scannedSubscriptionModels.length}개');
+      Log.d('스캔된 구독: ${scanResults.length}개');
 
-      if (scannedSubscriptionModels.isNotEmpty) {
+      if (scanResults.isNotEmpty) {
         Log.d(
-            '첫 번째 구독: ${scannedSubscriptionModels[0].serviceName}, 반복 횟수: ${scannedSubscriptionModels[0].repeatCount}');
+            '첫 번째 구독: ${scanResults[0].model.serviceName}, 반복 횟수: ${scanResults[0].model.repeatCount}');
       }
 
       if (!context.mounted) return;
 
-      if (scannedSubscriptionModels.isEmpty) {
+      if (scanResults.isEmpty) {
         Log.i('스캔된 구독이 없음');
         _errorMessage = AppLocalizations.of(context).subscriptionNotFound;
         _isLoading = false;
@@ -109,7 +126,7 @@ class SmsScanController extends ChangeNotifier {
 
       // SubscriptionModel을 Subscription으로 변환
       final scannedSubscriptions =
-          _converter.convertModelsToSubscriptions(scannedSubscriptionModels);
+          _converter.convertResultsToSubscriptions(scanResults);
 
       // 2회 이상 반복 결제된 구독만 필터링
       final repeatSubscriptions =
@@ -155,7 +172,9 @@ class SmsScanController extends ChangeNotifier {
 
       _scannedSubscriptions = filteredSubscriptions;
       _isLoading = false;
-      websiteUrlController.text = ''; // URL 입력 필드 초기화
+      websiteUrlController.text = '';
+      _currentSuggestion = null;
+      _prepareCurrentSelection(context);
       notifyListeners();
     } catch (e) {
       Log.e('SMS 스캔 중 오류 발생', e);
@@ -202,10 +221,14 @@ class SmsScanController extends ChangeNotifier {
           Provider.of<SubscriptionProvider>(context, listen: false);
       final categoryProvider =
           Provider.of<CategoryProvider>(context, listen: false);
+      final paymentCardProvider =
+          Provider.of<PaymentCardProvider>(context, listen: false);
 
       final finalCategoryId = _selectedCategoryId ??
           subscription.category ??
           getDefaultCategoryId(categoryProvider);
+      final finalPaymentCardId =
+          _selectedPaymentCardId ?? paymentCardProvider.defaultCard?.id;
 
       // websiteUrl 처리
       final websiteUrl = websiteUrlController.text.trim().isNotEmpty
@@ -226,6 +249,7 @@ class SmsScanController extends ChangeNotifier {
         repeatCount: subscription.repeatCount,
         lastPaymentDate: subscription.lastPaymentDate,
         categoryId: finalCategoryId,
+        paymentCardId: finalPaymentCardId,
         currency: subscription.currency,
       );
 
@@ -248,8 +272,9 @@ class SmsScanController extends ChangeNotifier {
 
   void moveToNextSubscription(BuildContext context) {
     _currentIndex++;
-    websiteUrlController.text = ''; // URL 입력 필드 초기화
-    _selectedCategoryId = null; // 카테고리 선택 초기화
+    websiteUrlController.text = '';
+    _selectedCategoryId = null;
+    _prepareCurrentSelection(context);
 
     // 모든 구독을 처리했으면 홈 화면으로 이동
     if (_currentIndex >= _scannedSubscriptions.length) {
@@ -270,6 +295,9 @@ class SmsScanController extends ChangeNotifier {
     _scannedSubscriptions = [];
     _currentIndex = 0;
     _errorMessage = null;
+    _selectedPaymentCardId = null;
+    _currentSuggestion = null;
+    _shouldSuggestCardCreation = false;
     notifyListeners();
   }
 
@@ -290,4 +318,78 @@ class SmsScanController extends ChangeNotifier {
       }
     }
   }
+
+  String? _getDefaultPaymentCardId(BuildContext context) {
+    try {
+      final provider = Provider.of<PaymentCardProvider>(context, listen: false);
+      return provider.defaultCard?.id;
+    } catch (_) {
+      return null;
+    }
+  }
+
+  void _prepareCurrentSelection(BuildContext context) {
+    if (_currentIndex >= _scannedSubscriptions.length) {
+      _selectedPaymentCardId = null;
+      _currentSuggestion = null;
+      return;
+    }
+
+    final current = _scannedSubscriptions[_currentIndex];
+
+    // URL 기본값
+    if (current.websiteUrl != null && current.websiteUrl!.isNotEmpty) {
+      websiteUrlController.text = current.websiteUrl!;
+    } else {
+      websiteUrlController.clear();
+    }
+
+    _currentSuggestion = current.paymentCardSuggestion;
+
+    final matchedCardId = _matchCardWithSuggestion(context, _currentSuggestion);
+    _shouldSuggestCardCreation =
+        _currentSuggestion != null && matchedCardId == null;
+    if (matchedCardId != null) {
+      _selectedPaymentCardId = matchedCardId;
+      return;
+    }
+
+    // 모델에 직접 카드 정보가 존재하면 우선 사용
+    if (current.paymentCardId != null) {
+      _selectedPaymentCardId = current.paymentCardId;
+      return;
+    }
+
+    _selectedPaymentCardId = _getDefaultPaymentCardId(context);
+  }
+
+  String? _matchCardWithSuggestion(
+      BuildContext context, PaymentCardSuggestion? suggestion) {
+    if (suggestion == null) return null;
+    try {
+      final provider = Provider.of<PaymentCardProvider>(context, listen: false);
+      final cards = provider.cards;
+      if (cards.isEmpty) return null;
+
+      if (suggestion.hasLast4) {
+        for (final card in cards) {
+          if (card.last4 == suggestion.last4) {
+            return card.id;
+          }
+        }
+      }
+
+      final normalizedIssuer = suggestion.issuerName.toLowerCase();
+      for (final card in cards) {
+        final issuer = card.issuerName.toLowerCase();
+        if (issuer.contains(normalizedIssuer) ||
+            normalizedIssuer.contains(issuer)) {
+          return card.id;
+        }
+      }
+    } catch (_) {
+      return null;
+    }
+    return null;
+  }
 }