Saving update, bullet update, UI update

lib/screens/book_screen.dart

@@ -21,6 +21,7 @@ class _BookScreenState extends State<BookScreen> with WidgetsBindingObserver {
   Color _bulletColor = Colors.blue; // default fallback
   Map<String, bool> _folderTypes = {}; // true = tournament, false = training
   String _folderFilter = 'all';
+  bool isRenameEnabled = false;
 
   @override
   void initState() {
@@ -264,7 +265,7 @@ List<String> _filteredFolderNames() {
   // Rename folder
   Future<void> _renameFolder(String oldFolderName) async {
   final newNameController = TextEditingController();
-  bool isRenameEnabled = false;
+ 
   bool isTournament = _folderTypes[oldFolderName] == true;
 
   final result = await showDialog<Map<String, dynamic>>(

lib/screens/preview_screen.dart

@@ -45,12 +45,13 @@ class _PreviewScreenState extends State<PreviewScreen> {
   int? _highlightedBulletIndex;
 
   final List<int> _manualBulletScores = [];
-  bool _hasMissingBullets = false;
 
   Color _bulletColor = Colors.blue; // default fallback
   double get _bulletOpacity => 0.8;
   Color get _bulletColorWithOpacity => _bulletColor.withOpacity(_bulletOpacity);
 
+  bool _isEditMode = false;
+  int? _selectedBulletIndexInEdit;
 
 
   @override
@@ -102,17 +103,6 @@ Color _getColorFromName(String colorName) {
   }
 }
 
-  Future<void> _handleMissingBullets() async {
-  final currentDetected = _mappedBullets.length;
-  final result = await _showMismatchOptionsDialog(currentDetected);
-  if (result == 'retry') {
-    Navigator.pop(context); // Go back to camera screen
-  } else if (result == 'manual') {
-    _manualScoreEntry();
-  }
-}
-
-
   Offset _generatePositionForScore(int score, Offset center) {
   const double bulletRadius = 25;
   final List<double> rings = [14, 70, 125, 180, 235, 290, 345, 400, 455, 510];
@@ -213,12 +203,25 @@ Color _getColorFromName(String colorName) {
 
     // 10. Update UI
     final missing = widget.bulletCount - mappedBullets.length;
+
     setState(() {
       _mappedBullets = mappedBullets;
       _isLoading = false;
-      _hasMissingBullets = missing > 0;
     });
 
+    if (missing > 0) {
+      final result = await _showMismatchOptionsDialog(mappedBullets.length);
+
+      if (result == 'retry') {
+        Navigator.pop(context); // Go back to camera screen
+      } else if (result == 'manual') {
+        _manualScoreEntry(); // Reuse your original manual dialog
+      }
+    }
+
+
+
+
   } catch (e, stack) {
     debugPrint("❌ Error during detection mapping: $e");
     debugPrint(stack.toString());
@@ -439,25 +442,116 @@ void _manualScoreEntry() {
   }
 }
 
+  Widget _buildEditController() {
+  if (!_isEditMode || _selectedBulletIndexInEdit == null) return const SizedBox.shrink();
+
+  return Positioned(
+    bottom: 20,
+    left: 0,
+    right: 0,
+    child: Center(
+      child: Container(
+        padding: const EdgeInsets.all(8),
+        decoration: BoxDecoration(
+          color: Colors.black.withOpacity(0.75),
+          borderRadius: BorderRadius.circular(12),
+        ),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            IconButton(
+              icon: const Icon(Icons.arrow_drop_up, size: 32, color: Colors.white),
+              onPressed: () => _moveBullet(const Offset(0, -3)),
+              splashRadius: 20,
+            ),
+            Row(
+              mainAxisSize: MainAxisSize.min,
+              children: [
+                IconButton(
+                  icon: const Icon(Icons.arrow_left, size: 32, color: Colors.white),
+                  onPressed: () => _moveBullet(const Offset(-3, 0)),
+                  splashRadius: 20,
+                ),
+                const SizedBox(width: 4),
+                IconButton(
+                  icon: const Icon(Icons.check, size: 28, color: Colors.greenAccent),
+                  onPressed: () => setState(() => _selectedBulletIndexInEdit = null),
+                  splashRadius: 20,
+                ),
+                const SizedBox(width: 4),
+                IconButton(
+                  icon: const Icon(Icons.arrow_right, size: 32, color: Colors.white),
+                  onPressed: () => _moveBullet(const Offset(3, 0)),
+                  splashRadius: 20,
+                ),
+              ],
+            ),
+            IconButton(
+              icon: const Icon(Icons.arrow_drop_down, size: 32, color: Colors.white),
+              onPressed: () => _moveBullet(const Offset(0, 3)),
+              splashRadius: 20,
+            ),
+          ],
+        ),
+      ),
+    ),
+  );
+}
+
+
+void _moveBullet(Offset offsetDelta) {
+  setState(() {
+    final index = _selectedBulletIndexInEdit!;
+    final current = _mappedBullets[index];
+    final updated = current + offsetDelta;
+
+    _mappedBullets[index] = updated;
+
+    // If this is a manually added bullet, update its score live
+    final manualStartIndex = _mappedBullets.length - _manualBulletScores.length;
+    if (index >= manualStartIndex) {
+      final updatedScore = _scoreForBullet(
+        updated,
+        _targetImageCenterForScoring ?? fixedRingTargetCenter,
+      );
+      _manualBulletScores[index - manualStartIndex] = updatedScore;
+    }
+  });
+}
+
 
 
   Future<String?> _showSaveOptionsDialog() async {
-  TextEditingController _controller = TextEditingController();
-  bool isNewFolderEnabled = false;
-  bool isTournament = false; // 👈 new flag
-
   final directory = await getApplicationDocumentsDirectory();
   final saveDirectory = Directory('${directory.path}/saved_images');
 
-  final List<String> existingFolders = [];
+  // Ensure directory exists
+  if (!await saveDirectory.exists()) {
+    await saveDirectory.create(recursive: true);
+  }
+
+  // Load existing folders and their modified time
+  final folderStats = <Map<String, dynamic>>[];
   final folders = saveDirectory.listSync();
   for (var folder in folders) {
     if (folder is Directory) {
-      existingFolders.add(folder.path.split('/').last);
+      final stat = folder.statSync();
+      folderStats.add({
+        'name': folder.path.split('/').last,
+        'changed': stat.changed,
+      });
     }
   }
 
-  String? lastFolderName = existingFolders.isNotEmpty ? existingFolders.last : null;
+  // Sort by modified time, newest first
+  folderStats.sort((a, b) =>
+      (b['changed'] as DateTime).compareTo(a['changed'] as DateTime));
+  String? lastFolderName =
+      folderStats.isNotEmpty ? folderStats.first['name'] : null;
+
+  TextEditingController _controller = TextEditingController();
+  bool isNewFolderEnabled = folderStats.isEmpty; // pre-enable if none
+  bool isTournament = false;
 
   return await showDialog<String>(
     context: context,
@@ -485,7 +579,6 @@ void _manualScoreEntry() {
                       textAlign: TextAlign.center,
                     ),
                   ),
-
                   const Text(
                     "Select where you'd like to save the data:",
                     style: TextStyle(color: Colors.white70),
@@ -493,6 +586,7 @@ void _manualScoreEntry() {
                   ),
                   const SizedBox(height: 16),
 
+                  // Quick save to newest folder
                   if (lastFolderName != null) ...[
                     SizedBox(
                       width: double.infinity,
@@ -503,7 +597,8 @@ void _manualScoreEntry() {
                         style: ElevatedButton.styleFrom(
                           backgroundColor: _bulletColor,
                           foregroundColor: Colors.white,
-                          padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 14),
+                          padding: const EdgeInsets.symmetric(
+                              horizontal: 20, vertical: 14),
                           shape: RoundedRectangleBorder(
                             borderRadius: BorderRadius.circular(12),
                           ),
@@ -514,7 +609,7 @@ void _manualScoreEntry() {
                     const SizedBox(height: 16),
                   ],
 
-                  // New folder name input
+                  // Always show folder name input
                   SizedBox(
                     width: double.infinity,
                     child: TextField(
@@ -526,7 +621,8 @@ void _manualScoreEntry() {
                         fillColor: Colors.grey[800],
                         hintText: "Enter a new folder name",
                         hintStyle: const TextStyle(color: Colors.white54),
-                        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14),
+                        contentPadding: const EdgeInsets.symmetric(
+                            horizontal: 16, vertical: 14),
                         enabledBorder: OutlineInputBorder(
                           borderRadius: BorderRadius.circular(12),
                           borderSide: BorderSide.none,
@@ -547,7 +643,6 @@ void _manualScoreEntry() {
 
                   // Tournament toggle
                   if (isNewFolderEnabled) ...[
-                    const SizedBox(height: 12),
                     GestureDetector(
                       onTap: () {
                         setState(() {
@@ -557,19 +652,28 @@ void _manualScoreEntry() {
                       child: Container(
                         width: double.infinity,
                         decoration: BoxDecoration(
-                          color: isTournament ? _bulletColor.withOpacity(0.2) : Colors.grey[850],
+                          color: isTournament
+                              ? _bulletColor.withOpacity(0.2)
+                              : Colors.grey[850],
                           borderRadius: BorderRadius.circular(12),
                           border: Border.all(
-                            color: isTournament ? _bulletColor : Colors.grey[700]!,
+                            color: isTournament
+                                ? _bulletColor
+                                : Colors.grey[700]!,
                             width: 1.5,
                           ),
                         ),
-                        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14),
+                        padding: const EdgeInsets.symmetric(
+                            horizontal: 16, vertical: 14),
                         child: Center(
                           child: Text(
-                            isTournament ? 'Tournament Mode 🏆' : 'Mark as Tournament 🏆',
+                            isTournament
+                                ? 'Tournament Mode 🏆'
+                                : 'Mark as Tournament 🏆',
                             style: TextStyle(
-                              color: isTournament ? _bulletColor : Colors.white70,
+                              color: isTournament
+                                  ? _bulletColor
+                                  : Colors.white70,
                               fontWeight: FontWeight.w500,
                               fontSize: 16,
                             ),
@@ -577,12 +681,10 @@ void _manualScoreEntry() {
                         ),
                       ),
                     ),
+                    const SizedBox(height: 16),
                   ],
 
-
+                  // Create folder button
-                  const SizedBox(height: 16),
-
-                  // Create new folder
                   SizedBox(
                     width: double.infinity,
                     child: ElevatedButton(
@@ -596,7 +698,8 @@ void _manualScoreEntry() {
                               )
                           : null,
                       style: ElevatedButton.styleFrom(
-                        padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 14),
+                        padding: const EdgeInsets.symmetric(
+                            horizontal: 20, vertical: 14),
                         backgroundColor:
                             isNewFolderEnabled ? _bulletColor : Colors.grey[700],
                         foregroundColor: Colors.white,
@@ -618,6 +721,7 @@ void _manualScoreEntry() {
   );
 }
 
+
   Map<String, dynamic>? _getRingCenterSize(List<DetectionResult> results) {
     try {
       final ring = results.firstWhere((r) => r.classId == 2);
@@ -673,7 +777,6 @@ void _manualScoreEntry() {
   return autoScore + manualScore;
 }
 
-
   @override
 Widget build(BuildContext context) {
   return Scaffold(
@@ -688,7 +791,9 @@ Widget build(BuildContext context) {
       actions: [
         IconButton(
           icon: Icon(
-            _mode == PreviewMode.mappedTarget ? Icons.camera_alt : Icons.center_focus_strong,
+            _mode == PreviewMode.mappedTarget
+                ? Icons.camera_alt
+                : Icons.center_focus_strong,
           ),
           color: Colors.white,
           onPressed: () {
@@ -809,7 +914,7 @@ Widget build(BuildContext context) {
                                 final double bulletSize = ((scaleX + scaleY) / 2) * 55;
 
                                 final isHighlighted = index == _highlightedBulletIndex;
-                                final isManual = index >= (_mappedBullets.length - _manualBulletScores.length);
+                                final isSelectedForEdit = index == _selectedBulletIndexInEdit;
 
                                 return Positioned(
                                   left: dx - bulletSize / 2,
@@ -818,13 +923,15 @@ Widget build(BuildContext context) {
                                     width: bulletSize,
                                     height: bulletSize,
                                     decoration: BoxDecoration(
-                                      color: isManual
+                                      color: _bulletColorWithOpacity,
-                                        ? Colors.red.withOpacity(0.9)
-                                        : _bulletColorWithOpacity,
                                       shape: BoxShape.circle,
                                       border: Border.all(
-                                        color: isHighlighted ? Colors.red : Colors.black,
+                                      color: isSelectedForEdit
-                                        width: isHighlighted ? 3 : 1,
+                                          ? Colors.red
+                                          : (!_isEditMode && isHighlighted)
+                                              ? Colors.red
+                                              : Colors.black,
+                                      width: (isSelectedForEdit || (!_isEditMode && isHighlighted)) ? 3 : 1,
                                     ),
                                   ),
                                 ),
@@ -851,15 +958,32 @@ Widget build(BuildContext context) {
                                     bullet,
                                     _targetImageCenterForScoring ?? fixedRingTargetCenter,
                                   );
-                            final isSelected = _highlightedBulletIndex == index;
+                            final isSelected = index == (_isEditMode ? _selectedBulletIndexInEdit : _highlightedBulletIndex);
 
                             return Expanded(
                               child: Padding(
                                 padding: const EdgeInsets.symmetric(horizontal: 6),
                                 child: GestureDetector(
-                                  onTapDown: (_) => setState(() => _highlightedBulletIndex = index),
+                                  onTap: () {
-                                  onTapUp: (_) => setState(() => _highlightedBulletIndex = null),
+                                    if (_isEditMode) {
-                                  onTapCancel: () => setState(() => _highlightedBulletIndex = null),
+                                      setState(() => _selectedBulletIndexInEdit = index);
+                                    }
+                                  },
+                                  onTapDown: (_) {
+                                    if (!_isEditMode) {
+                                      setState(() => _highlightedBulletIndex = index);
+                                    }
+                                  },
+                                  onTapUp: (_) {
+                                    if (!_isEditMode) {
+                                      setState(() => _highlightedBulletIndex = null);
+                                    }
+                                  },
+                                  onTapCancel: () {
+                                    if (!_isEditMode) {
+                                      setState(() => _highlightedBulletIndex = null);
+                                    }
+                                  },
                                   child: AnimatedContainer(
                                     duration: const Duration(milliseconds: 200),
                                     height: 100,
@@ -869,7 +993,8 @@ Widget build(BuildContext context) {
                                         BoxShadow(
                                           color: Colors.black26,
                                           offset: Offset(0, 2),
-                                            blurRadius: 6),
+                                          blurRadius: 6,
+                                        ),
                                       ],
                                     ),
                                     child: Column(
@@ -898,9 +1023,7 @@ Widget build(BuildContext context) {
                                             decoration: BoxDecoration(
                                               color: isSelected
                                               ? Colors.red[400]
-                                              : (isManual
+                                              : _bulletColor,
-                                                  ? Colors.red[600]
-                                                  : _bulletColor),
                                               borderRadius: const BorderRadius.only(
                                                 bottomLeft: Radius.circular(16),
                                                 bottomRight: Radius.circular(16),
@@ -930,16 +1053,28 @@ Widget build(BuildContext context) {
                   const SizedBox(height: 12),
                 ],
               ),
-              if (_hasMissingBullets)
+
               Positioned(
   top: 12,
   right: 12,
   child: ElevatedButton.icon(
-                    onPressed: _handleMissingBullets,
+    onPressed: () {
-                    icon: const Icon(Icons.warning_amber_rounded, color: Colors.white, size: 20),
+      setState(() {
-                    label: const Text("Fix Bullets", style: TextStyle(color: Colors.white)),
+        _isEditMode = !_isEditMode;
+        _selectedBulletIndexInEdit = null;
+      });
+    },
+    icon: Icon(
+      _isEditMode ? Icons.check : Icons.edit,
+      color: Colors.white,
+      size: 20,
+    ),
+    label: Text(
+      _isEditMode ? "Done" : "Edit Bullets",
+      style: const TextStyle(color: Colors.white),
+    ),
     style: ElevatedButton.styleFrom(
-                      backgroundColor: Colors.red[600],
+      backgroundColor: _bulletColor,
       padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
       shape: RoundedRectangleBorder(
         borderRadius: BorderRadius.circular(10),
@@ -947,7 +1082,10 @@ Widget build(BuildContext context) {
       elevation: 4,
     ),
   ),
-                ),
+),
+
+
+              _buildEditController(),
             ],
           ),
     bottomNavigationBar: BottomAppBar(