parser logic added

lib/review_screen.dart

@@ -9,6 +9,7 @@ import 'services/product_repository.dart';
 import 'utils/dates.dart';
 import 'utils/money.dart';
 import 'utils/supermarkets.dart';
+import 'widgets/item_edit_sheet.dart';
 import 'widgets/store_tag.dart';
 
 class ReviewScreen extends StatefulWidget {
@@ -19,6 +20,8 @@ class ReviewScreen extends StatefulWidget {
     required this.repository,
     this.imagePath,
     this.supermarketNames = kSupermarkets,
+    this.needsReview = false,
+    this.detectedStore,
   });
 
   final List<LineItem> items;
@@ -26,6 +29,8 @@ class ReviewScreen extends StatefulWidget {
   final ProductRepository repository;
   final String? imagePath;
   final List<String> supermarketNames;
+  final bool needsReview;
+  final String? detectedStore;
 
   @override
   State<ReviewScreen> createState() => _ReviewScreenState();
@@ -49,6 +54,8 @@ class _ReviewScreenState extends State<ReviewScreen> {
     );
     if (detected != null) {
       _supermarket = detected;
+    } else if (widget.detectedStore != null) {
+      _supermarket = widget.detectedStore;
     }
   }
 
@@ -63,12 +70,7 @@ class _ReviewScreenState extends State<ReviewScreen> {
   }
 
   Future<void> _edit({LineItem? existing}) async {
-    final result = await showModalBottomSheet<LineItem>(
-      context: context,
-      isScrollControlled: true,
-      showDragHandle: true,
-      builder: (context) => _ItemEditSheet(item: existing),
-    );
+    final result = await showItemEditSheet(context, item: existing);
     if (result == null || !mounted) return;
 
     setState(() {
@@ -97,9 +99,8 @@ class _ReviewScreenState extends State<ReviewScreen> {
   Future<void> _confirm() async {
     final supermarket = _resolvedSupermarket;
     if (supermarket == null) {
-      ScaffoldMessenger.of(context).showSnackBar(
-        const SnackBar(content: Text('Select a supermarket.')),
-      );
+      ScaffoldMessenger.of(context)
+          .showSnackBar(const SnackBar(content: Text('Select a supermarket.')));
       return;
     }
     if (_items.isEmpty) {
@@ -142,7 +143,13 @@ class _ReviewScreenState extends State<ReviewScreen> {
     }
 
     return Scaffold(
-      appBar: AppBar(title: const Text('Review items')),
+      appBar: AppBar(
+        title: Text(
+          widget.rawText.isEmpty && widget.imagePath == null
+              ? 'New trip'
+              : 'Review items',
+        ),
+      ),
       body: Column(
         children: [
           Padding(
@@ -150,13 +157,27 @@ class _ReviewScreenState extends State<ReviewScreen> {
             child: Column(
               crossAxisAlignment: CrossAxisAlignment.stretch,
               children: [
+                if (widget.needsReview) ...[
+                  Material(
+                    color: theme.colorScheme.errorContainer,
+                    borderRadius: BorderRadius.circular(12),
+                    child: Padding(
+                      padding: const EdgeInsets.all(12),
+                      child: Text(
+                        'Parsed totals do not match the receipt. Check the items before saving.',
+                        style: theme.textTheme.bodyMedium?.copyWith(
+                          color: theme.colorScheme.onErrorContainer,
+                        ),
+                      ),
+                    ),
+                  ),
+                  const SizedBox(height: 12),
+                ],
                 DropdownButtonFormField<String>(
                   key: ValueKey(_supermarket),
                   initialValue: _supermarket,
                   hint: const Text('Select supermarket'),
-                  decoration: const InputDecoration(
-                    labelText: 'Supermarket',
-                  ),
+                  decoration: const InputDecoration(labelText: 'Supermarket'),
                   items: [
                     for (final store in names)
                       DropdownMenuItem(
@@ -177,9 +198,7 @@ class _ReviewScreenState extends State<ReviewScreen> {
                   TextField(
                     enabled: !_saving,
                     textCapitalization: TextCapitalization.words,
-                    decoration: const InputDecoration(
-                      labelText: 'Store name',
-                    ),
+                    decoration: const InputDecoration(labelText: 'Store name'),
                     onChanged: (value) => _customStore = value,
                   ),
                 ],
@@ -198,7 +217,7 @@ class _ReviewScreenState extends State<ReviewScreen> {
             child: _items.isEmpty
                 ? Center(
                     child: Text(
-                      'No line items found.\nAdd anything the parser missed.',
+                      'No line items yet.\nAdd products for this trip.',
                       textAlign: TextAlign.center,
                       style: theme.textTheme.bodyLarge,
                     ),
@@ -231,11 +250,7 @@ class _ReviewScreenState extends State<ReviewScreen> {
                         },
                         child: ListTile(
                           title: Text(item.name),
-                          subtitle: item.quantity == null
-                              ? null
-                              : Text(
-                                  '${item.quantity} × ${formatEuro(item.unitPrice ?? 0)}',
-                                ),
+                          subtitle: _itemSubtitle(item),
                           trailing: Text(
                             formatEuro(item.price),
                             style: theme.textTheme.titleMedium,
@@ -274,9 +289,7 @@ class _ReviewScreenState extends State<ReviewScreen> {
                   FilledButton(
                     onPressed: _saving ? null : _confirm,
                     child: Text(
-                      _saving
-                          ? 'Saving…'
-                          : 'Save trip · ${formatEuro(total)}',
+                      _saving ? 'Saving…' : 'Save trip · ${formatEuro(total)}',
                     ),
                   ),
                 ],
@@ -287,98 +300,14 @@ class _ReviewScreenState extends State<ReviewScreen> {
       ),
     );
   }
-}
 
-class _ItemEditSheet extends StatefulWidget {
-  const _ItemEditSheet({this.item});
-
-  final LineItem? item;
-
-  @override
-  State<_ItemEditSheet> createState() => _ItemEditSheetState();
-}
-
-class _ItemEditSheetState extends State<_ItemEditSheet> {
-  late final TextEditingController _nameController;
-  late final TextEditingController _priceController;
-  String? _error;
-
-  @override
-  void initState() {
-    super.initState();
-    final item = widget.item;
-    _nameController = TextEditingController(text: item?.name ?? '');
-    _priceController = TextEditingController(
-      text: item == null ? '' : item.price.toStringAsFixed(2),
-    );
-  }
-
-  @override
-  void dispose() {
-    _nameController.dispose();
-    _priceController.dispose();
-    super.dispose();
-  }
-
-  void _save() {
-    final name = _nameController.text.trim();
-    final price = tryParsePrice(_priceController.text);
-    if (name.isEmpty || price == null) {
-      setState(() => _error = 'Enter a product name and a price.');
-      return;
-    }
-    Navigator.of(context).pop(
-      LineItem(
-        id: widget.item?.id ?? 'manual-${DateTime.now().microsecondsSinceEpoch}',
-        name: name,
-        price: roundMoney(price),
-        quantity: widget.item?.quantity,
-        unitPrice: widget.item?.unitPrice,
-      ),
-    );
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    final bottom = MediaQuery.viewInsetsOf(context).bottom;
-
-    return Padding(
-      padding: EdgeInsets.fromLTRB(16, 0, 16, 16 + bottom),
-      child: Column(
-        mainAxisSize: MainAxisSize.min,
-        crossAxisAlignment: CrossAxisAlignment.stretch,
-        children: [
-          Text(
-            widget.item == null ? 'Add item' : 'Edit item',
-            style: Theme.of(context).textTheme.titleLarge,
-          ),
-          const SizedBox(height: 16),
-          TextField(
-            controller: _nameController,
-            textCapitalization: TextCapitalization.sentences,
-            decoration: const InputDecoration(labelText: 'Product name'),
-            autofocus: widget.item == null,
-          ),
-          const SizedBox(height: 12),
-          TextField(
-            controller: _priceController,
-            keyboardType: const TextInputType.numberWithOptions(decimal: true),
-            decoration: const InputDecoration(labelText: 'Price'),
-          ),
-          if (_error != null) ...[
-            const SizedBox(height: 8),
-            Text(
-              _error!,
-              style: TextStyle(color: Theme.of(context).colorScheme.error),
-            ),
-          ],
-          const SizedBox(height: 16),
-          FilledButton(
-            onPressed: _save,
-            child: const Text('Save'),
-          ),
-        ],
-      ),
-    );
+  Widget? _itemSubtitle(LineItem item) {
+    final parts = [
+      if (item.quantity != null)
+        '${item.quantity} × ${formatEuro(item.unitPrice ?? 0)}',
+      if (item.discount != 0) 'Discount ${formatEuro(item.discount.abs())}',
+    ];
+    if (parts.isEmpty) return null;
+    return Text(parts.join(' · '));
   }
 }