feat: add payment

lib/feature/shop/data/data_source/remote/shop_api_provider.dart

@@ -19,12 +19,16 @@ class ShopApiProvider {
     required String kind,
     required String productId,
     required String token,
+    String purchaseData = '',
+    String signature = '',
   }) =>
       _api.post('/shop/purchase', body: {
         'store': store,
         'kind': kind,
         'product_id': productId,
         'token': token,
+        'purchase_data': purchaseData,
+        'signature': signature,
       });
 
   Future<Response> adReward(String token) =>

lib/feature/shop/data/model/shop_models.dart

@@ -9,6 +9,7 @@ class ShopMapper {
         vipDays: (j['vip_days'] ?? 0) as int,
         priceToman: (j['price_toman'] ?? 0) as int,
         bonusPct: (j['bonus_pct'] ?? 0) as int,
+        sku: (j['sku'] ?? '') as String,
       );
 
   static TicketPackage ticket(Map<String, dynamic> j) => TicketPackage(
@@ -16,6 +17,7 @@ class ShopMapper {
         title: j['title'] as String,
         tickets: (j['tickets'] ?? 0) as int,
         priceToman: (j['price_toman'] ?? 0) as int,
+        sku: (j['sku'] ?? '') as String,
       );
 
   static CardSkin card(Map<String, dynamic> j) => CardSkin(
@@ -30,6 +32,7 @@ class ShopMapper {
         multiplier: (j['multiplier'] ?? 1) as int,
         hours: (j['hours'] ?? 0) as int,
         priceToman: (j['price_toman'] ?? 0) as int,
+        sku: (j['sku'] ?? '') as String,
       );
 
   static VipPackage vip(Map<String, dynamic> j) => VipPackage(
@@ -37,6 +40,7 @@ class ShopMapper {
         title: j['title'] as String,
         months: (j['months'] ?? 1) as int,
         priceToman: (j['price_toman'] ?? 0) as int,
+        sku: (j['sku'] ?? '') as String,
       );
 
   static ShopData shopData(Map<String, dynamic> j) {

lib/feature/shop/data/repository/shop_repository_impl.dart

@@ -43,6 +43,8 @@ class ShopRepositoryImpl extends ShopRepository {
       kind: params.kind,
       productId: params.productId,
       token: params.token,
+      purchaseData: params.purchaseData,
+      signature: params.signature,
     );
     if (res.statusCode == 200) return const DataSuccess('خرید با موفقیت انجام شد');
     return DataError(errorConvertor(res.statusCode, _msg(res)));

lib/feature/shop/domain/entities/shop_entities.dart

@@ -6,6 +6,7 @@ class CoinPackage {
   final int vipDays;
   final int priceToman;
   final int bonusPct;
+  final String sku; // شناسه‌ی محصول در پنلِ فروشگاه (برای پرداختِ native)
   const CoinPackage({
     required this.id,
     required this.title,
@@ -13,6 +14,7 @@ class CoinPackage {
     required this.vipDays,
     required this.priceToman,
     required this.bonusPct,
+    this.sku = '',
   });
 }
 
@@ -21,11 +23,13 @@ class TicketPackage {
   final String title;
   final int tickets;
   final int priceToman;
+  final String sku;
   const TicketPackage({
     required this.id,
     required this.title,
     required this.tickets,
     required this.priceToman,
+    this.sku = '',
   });
 }
 
@@ -43,12 +47,14 @@ class Booster {
   final int multiplier;
   final int hours;
   final int priceToman;
+  final String sku;
   const Booster({
     required this.id,
     required this.title,
     required this.multiplier,
     required this.hours,
     required this.priceToman,
+    this.sku = '',
   });
 }
 
@@ -57,11 +63,13 @@ class VipPackage {
   final String title;
   final int months;
   final int priceToman;
+  final String sku;
   const VipPackage({
     required this.id,
     required this.title,
     required this.months,
     required this.priceToman,
+    this.sku = '',
   });
 }
 

lib/feature/shop/presentation/bloc/shop_bloc.dart

@@ -1,5 +1,6 @@
 import 'package:flutter_bloc/flutter_bloc.dart';
 
+import '../../../../core/payment/payment_gateway.dart';
 import '../../../../core/resources/data_state.dart';
 import '../../../../core/usecase/use_case.dart';
 import '../../domain/use_cases/ad_reward_usecase.dart';
@@ -17,6 +18,7 @@ class ShopBloc extends Bloc<ShopEvent, ShopBlocState> {
   final SelectCardUseCase selectCardUseCase;
   final PurchaseUseCase purchaseUseCase;
   final AdRewardUseCase adRewardUseCase;
+  final PaymentGateway gateway;
 
   ShopBloc(
     this.getShopUseCase,
@@ -24,6 +26,7 @@ class ShopBloc extends Bloc<ShopEvent, ShopBlocState> {
     this.selectCardUseCase,
     this.purchaseUseCase,
     this.adRewardUseCase,
+    this.gateway,
   ) : super(ShopBlocState.initial()) {
     on<LoadShopEvent>((event, emit) => _load(emit));
 
@@ -33,15 +36,7 @@ class ShopBloc extends Bloc<ShopEvent, ShopBlocState> {
     on<SelectCardEvent>((event, emit) =>
         _action(emit, () => selectCardUseCase(event.cardId)));
 
-    on<PurchaseEvent>((event, emit) => _action(
-        emit,
-        () => purchaseUseCase(PurchaseParams(
-              store: 'bazaar',
-              kind: event.kind,
-              productId: event.productId,
-              token:
-                  'dev-${event.kind}-${event.productId}-${DateTime.now().millisecondsSinceEpoch}',
-            ))));
+    on<PurchaseEvent>((event, emit) => _action(emit, () => _purchase(event)));
 
     on<AdRewardEvent>((event, emit) => _action(
           emit,
@@ -56,6 +51,42 @@ class ShopBloc extends Bloc<ShopEvent, ShopBlocState> {
         ));
   }
 
+  /// جریانِ خرید: ابتدا پرداختِ فروشگاهی (native) اجرا می‌شود، سپس مدرکِ خرید
+  /// (token/purchaseData/signature) برای اعتبارسنجی به بک‌اند فرستاده می‌شود و
+  /// در پایان، خرید در فروشگاه consume می‌شود.
+  Future<DataState<String>> _purchase(PurchaseEvent event) async {
+    // برای پرداختِ native به SKUِ فروشگاه نیاز است؛ اگر تنظیم نشده باشد از
+    // شناسه‌ی کاتالوگ استفاده می‌کنیم (حالتِ توسعه/تک‌فروشگاهی).
+    final sku = event.sku.isNotEmpty ? event.sku : event.productId;
+
+    final PurchaseResult result;
+    try {
+      result = await gateway.purchase(sku);
+    } catch (e) {
+      return DataError<String>('خطا در پرداخت: $e');
+    }
+    if (!result.success) {
+      return DataError<String>('خرید انجام نشد یا لغو شد');
+    }
+
+    final verify = await purchaseUseCase(PurchaseParams(
+      store: gateway.store,
+      kind: event.kind,
+      productId: event.productId,
+      token: result.token,
+      purchaseData: result.purchaseData,
+      signature: result.signature,
+    ));
+
+    // پس از تأییدِ بک‌اند، خرید را در فروشگاه نهایی/مصرف می‌کنیم.
+    if (verify is DataSuccess && result.onConfirmed != null) {
+      try {
+        await result.onConfirmed!();
+      } catch (_) {/* consume ناموفق حیاتی نیست */}
+    }
+    return verify;
+  }
+
   Future<void> _load(Emitter<ShopBlocState> emit) async {
     emit(state.copyWith(loadStatus: ShopLoading()));
     final res = await getShopUseCase(const NoParams());

lib/feature/shop/presentation/bloc/shop_event.dart

@@ -14,8 +14,9 @@ class SelectCardEvent extends ShopEvent {
 
 class PurchaseEvent extends ShopEvent {
   final String kind;
-  final String productId;
-  PurchaseEvent(this.kind, this.productId);
+  final String productId; // شناسه‌ی کاتالوگ (برای اعتباردهی در بک‌اند)
+  final String sku; // شناسه‌ی محصول در پنلِ فروشگاه (برای پرداختِ native)
+  PurchaseEvent(this.kind, this.productId, {this.sku = ''});
 }
 
 class AdRewardEvent extends ShopEvent {}

lib/feature/shop/presentation/screen/shop_screen.dart

@@ -211,7 +211,7 @@ class _CoinsTab extends StatelessWidget {
               label: '${p.priceToman} تومان',
               onTap:
                   () =>
-                      context.read<ShopBloc>().add(PurchaseEvent('coin', p.id)),
+                      context.read<ShopBloc>().add(PurchaseEvent('coin', p.id, sku: p.sku)),
             ),
           ),
       ],
@@ -237,7 +237,7 @@ class _TicketsTab extends StatelessWidget {
               label: '${p.priceToman} تومان',
               onTap:
                   () => context.read<ShopBloc>().add(
-                    PurchaseEvent('ticket', p.id),
+                    PurchaseEvent('ticket', p.id, sku: p.sku),
                   ),
             ),
           ),
@@ -264,7 +264,7 @@ class _BoostersTab extends StatelessWidget {
               label: '${b.priceToman} تومان',
               onTap:
                   () => context.read<ShopBloc>().add(
-                    PurchaseEvent('booster', b.id),
+                    PurchaseEvent('booster', b.id, sku: b.sku),
                   ),
             ),
           ),
@@ -292,7 +292,7 @@ class _VipTab extends StatelessWidget {
               label: '${p.priceToman} تومان',
               onTap:
                   () =>
-                      context.read<ShopBloc>().add(PurchaseEvent('vip', p.id)),
+                      context.read<ShopBloc>().add(PurchaseEvent('vip', p.id, sku: p.sku)),
             ),
           ),
       ],

lib/feature/shop/presentation/screen/vip_screen.dart

@@ -110,7 +110,7 @@ class VipScreen extends StatelessWidget {
                                 busy: state.busy,
                                 onBuy: () => context
                                     .read<ShopBloc>()
-                                    .add(PurchaseEvent('vip', p.id)),
+                                    .add(PurchaseEvent('vip', p.id, sku: p.sku)),
                               ),
                             ),
                           if (packages.isEmpty)