asdasda

lib/features/products/presentation/pages/product_detail_page.dart

@@ -1,8 +1,10 @@
 import 'package:dropdown_search/dropdown_search.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:mobile_scanner/mobile_scanner.dart';
 
 import '../../../../core/di/providers.dart';
+import '../../../../core/router/app_router.dart';
 import '../../../../core/services/print_service.dart';
 import '../../../../core/storage/secure_storage.dart';
 import '../../../../core/utils/text_utils.dart';
@@ -97,8 +99,6 @@ class _ProductDetailPageState extends ConsumerState<ProductDetailPage> {
         return;
       }
 
-      print(storedEmail);
-
       // Get all warehouse users
       final warehouseUsers = ref.read(usersListProvider)
           .where((user) => user.isWareHouseUser)
@@ -141,6 +141,205 @@ class _ProductDetailPageState extends ConsumerState<ProductDetailPage> {
     });
   }
 
+  void _clearUserSelections() {
+    setState(() {
+      _selectedWarehouseUser = null;
+      _selectedEmployee = null;
+    });
+  }
+
+  void _showBarcodeScanner() {
+    final controller = MobileScannerController(
+      formats: const [BarcodeFormat.code128],
+      facing: CameraFacing.back,
+    );
+
+    showModalBottomSheet(
+      context: context,
+      isScrollControlled: true,
+      backgroundColor: Colors.transparent,
+      builder: (context) => Container(
+        height: MediaQuery.of(context).size.height * 0.7,
+        decoration: const BoxDecoration(
+          color: Colors.black,
+          borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
+        ),
+        child: Column(
+          children: [
+            // Header
+            Container(
+              padding: const EdgeInsets.all(16),
+              decoration: BoxDecoration(
+                color: Colors.grey.shade900,
+                borderRadius: const BorderRadius.vertical(
+                  top: Radius.circular(20),
+                ),
+              ),
+              child: Row(
+                children: [
+                  const Icon(
+                    Icons.qr_code_scanner,
+                    color: Colors.white,
+                  ),
+                  const SizedBox(width: 12),
+                  const Expanded(
+                    child: Text(
+                      'Quét mã vạch',
+                      style: TextStyle(
+                        color: Colors.white,
+                        fontSize: 18,
+                        fontWeight: FontWeight.bold,
+                      ),
+                    ),
+                  ),
+                  IconButton(
+                    icon: const Icon(Icons.close, color: Colors.white),
+                    onPressed: () {
+                      controller.dispose();
+                      Navigator.pop(context);
+                    },
+                  ),
+                ],
+              ),
+            ),
+            // Scanner
+            Expanded(
+              child: MobileScanner(
+                controller: controller,
+                onDetect: (capture) {
+                  final List<Barcode> barcodes = capture.barcodes;
+                  if (barcodes.isNotEmpty) {
+                    final barcode = barcodes.first.rawValue;
+                    if (barcode != null) {
+                      controller.dispose();
+                      Navigator.pop(context);
+                      _handleScannedBarcode(barcode);
+                    }
+                  }
+                },
+              ),
+            ),
+            // Instructions
+            Container(
+              padding: const EdgeInsets.all(16),
+              color: Colors.grey.shade900,
+              child: const Text(
+                'Đặt mã vạch Code 128 vào khung để quét',
+                style: TextStyle(
+                  color: Colors.white70,
+                  fontSize: 14,
+                ),
+                textAlign: TextAlign.center,
+              ),
+            ),
+          ],
+        ),
+      ),
+    ).whenComplete(() => controller.dispose());
+  }
+
+  Future<void> _handleScannedBarcode(String barcode) async {
+    // Parse barcode to extract productId and optional stageId
+    // Format 1: "123" (only productId)
+    // Format 2: "123-456" (productId-stageId)
+
+    int? productId;
+    int? stageId;
+
+    if (barcode.contains('-')) {
+      // Format: productId-stageId
+      final parts = barcode.split('-');
+      if (parts.length == 2) {
+        productId = int.tryParse(parts[0]);
+        stageId = int.tryParse(parts[1]);
+      }
+    } else {
+      // Format: productId only
+      productId = int.tryParse(barcode);
+    }
+
+    if (productId == null) {
+      // Invalid barcode format
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text('Định dạng mã vạch không hợp lệ: "$barcode"'),
+          backgroundColor: Colors.red,
+          action: SnackBarAction(
+            label: 'OK',
+            textColor: Colors.white,
+            onPressed: () {},
+          ),
+        ),
+      );
+      return;
+    }
+
+    // Show loading indicator
+    if (!mounted) return;
+    showDialog(
+      context: context,
+      barrierDismissible: false,
+      builder: (context) => const Center(
+        child: CircularProgressIndicator(),
+      ),
+    );
+
+    try {
+      // Update the provider key and load product detail
+      setState(() {
+        _providerKey = '${widget.warehouseId}_$productId';
+      });
+
+      // Clear current selections
+      _clearControllers();
+
+      // Load product detail data from API
+      await ref.read(productDetailProvider(_providerKey).notifier).loadProductDetail(
+            widget.warehouseId,
+            productId,
+          );
+
+      // Dismiss loading dialog
+      if (mounted) Navigator.of(context).pop();
+
+      // If stageId is provided, auto-select that stage
+      if (stageId != null && mounted) {
+        final stages = ref.read(productDetailProvider(_providerKey)).stages;
+        final stageIndex = stages.indexWhere(
+          (stage) => stage.productStageId == stageId,
+        );
+        if (stageIndex != -1) {
+          ref.read(productDetailProvider(_providerKey).notifier).selectStage(stageIndex);
+        }
+      }
+
+      // Show success message
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            content: Text('Đã tải sản phẩm ID: $productId'),
+            backgroundColor: Colors.green,
+            duration: const Duration(seconds: 2),
+          ),
+        );
+      }
+    } catch (e) {
+      // Dismiss loading dialog
+      if (mounted) Navigator.of(context).pop();
+
+      // Show error message
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            content: Text('Lỗi khi tải sản phẩm: ${e.toString()}'),
+            backgroundColor: Colors.red,
+            duration: const Duration(seconds: 3),
+          ),
+        );
+      }
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     final theme = Theme.of(context);
@@ -162,8 +361,13 @@ class _ProductDetailPageState extends ConsumerState<ProductDetailPage> {
 
     return Scaffold(
       appBar: AppBar(
-        title: Text('${operationTitle} ${productName}'),
+        title: Text('$operationTitle: $productName'),
         actions: [
+          IconButton(
+            icon: const Icon(Icons.qr_code_scanner),
+            onPressed: _showBarcodeScanner,
+            tooltip: 'Quét mã vạch',
+          ),
           IconButton(
             icon: const Icon(Icons.refresh),
             onPressed: _onRefresh,
@@ -644,7 +848,7 @@ class _ProductDetailPageState extends ConsumerState<ProductDetailPage> {
             );
           }
         },
-        (_) {
+        (_) async {
           // Success - show success message
           if (mounted) {
             ScaffoldMessenger.of(context).showSnackBar(
@@ -655,14 +859,24 @@ class _ProductDetailPageState extends ConsumerState<ProductDetailPage> {
               ),
             );
 
-            // Clear the text fields after successful add
-            _clearControllers();
-
             // Refresh the product detail to show updated quantities
-            ref.read(productDetailProvider(_providerKey).notifier).refreshProductDetail(
+            await ref.read(productDetailProvider(_providerKey).notifier).refreshProductDetail(
                   widget.warehouseId,
                   widget.productId,
                 );
+
+            // Get updated stage data
+            final updatedStages = ref.read(productDetailProvider(_providerKey)).stages;
+            final updatedStage = updatedStages.firstWhere(
+              (s) => s.productStageId == stage.productStageId,
+              orElse: () => stage,
+            );
+
+            // Automatically print after successful save
+            await _printQuantities(updatedStage);
+
+            // Do NOT clear quantity/weight fields - keep them for reference
+            // User can manually clear them if needed using the 'C' button
           }
         },
       );