Refactor SpaceDetailsForm to use StatefulWidget for form validation and improve user experience with dynamic save button state, and added space name validation to not be longer than 50 characters.

lib/pages/space_management_v2/main_module/helpers/spaces_recursive_helper.dart

@@ -68,4 +68,20 @@ abstract final class SpacesRecursiveHelper {
       return space;
     }).toList();
   }
+
+  static SpaceModel? findParent(
+    List<SpaceModel> spaces,
+    String targetUuid,
+  ) {
+    for (final space in spaces) {
+      if (space.children.any((child) => child.uuid == targetUuid)) {
+        return space;
+      }
+      final parent = findParent(space.children, targetUuid);
+      if (parent != null) {
+        return parent;
+      }
+    }
+    return null;
+  }
 }

lib/pages/space_management_v2/main_module/widgets/community_structure_header_action_buttons_composer.dart

@@ -49,8 +49,8 @@ class CommunityStructureHeaderActionButtonsComposer extends StatelessWidget {
         context: context,
         builder: (_) => DuplicateSpaceDialog(
           initialName: space.spaceName,
-          selectedSpaceUuid: space.uuid,
-          selectedCommunityUuid: selectedCommunity.uuid,
+          selectedSpace: space,
+          selectedCommunity: selectedCommunity,
           onSuccess: (spaces) {
             final updatedCommunity = selectedCommunity.copyWith(
               spaces: spaces,

lib/pages/space_management_v2/modules/duplicate_space/presentation/views/duplicate_space_dialog.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:syncrow_web/common/widgets/app_loading_indicator.dart';
+import 'package:syncrow_web/pages/space_management_v2/modules/communities/domain/models/community_model.dart';
 import 'package:syncrow_web/pages/space_management_v2/modules/communities/domain/models/space_model.dart';
 import 'package:syncrow_web/pages/space_management_v2/modules/duplicate_space/data/services/remote_duplicate_space_service.dart';
 import 'package:syncrow_web/pages/space_management_v2/modules/duplicate_space/presentation/bloc/duplicate_space_bloc.dart';
@@ -12,15 +13,15 @@ class DuplicateSpaceDialog extends StatelessWidget {
   const DuplicateSpaceDialog({
     required this.initialName,
     required this.onSuccess,
-    required this.selectedSpaceUuid,
-    required this.selectedCommunityUuid,
+    required this.selectedSpace,
+    required this.selectedCommunity,
     super.key,
   });
 
   final String initialName;
   final void Function(List<SpaceModel> spaces) onSuccess;
-  final String selectedSpaceUuid;
-  final String selectedCommunityUuid;
+  final SpaceModel selectedSpace;
+  final CommunityModel selectedCommunity;
 
   @override
   Widget build(BuildContext context) {
@@ -31,10 +32,10 @@ class DuplicateSpaceDialog extends StatelessWidget {
       child: BlocListener<DuplicateSpaceBloc, DuplicateSpaceState>(
         listener: _listener,
         child: DuplicateSpaceDialogForm(
-          initialNameSuffix: '(1)',
-          initialName: initialName,
-          selectedSpaceUuid: selectedSpaceUuid,
-          selectedCommunityUuid: selectedCommunityUuid,
+          initialName: _getInitialName(),
+          selectedSpaceUuid: selectedSpace.uuid,
+          selectedCommunityUuid: selectedCommunity.uuid,
+          siblingNames: _getSiblingNames(),
         ),
       ),
     );
@@ -67,4 +68,69 @@ class DuplicateSpaceDialog extends StatelessWidget {
         break;
     }
   }
+
+  List<SpaceModel> _findSiblings(
+    List<SpaceModel> spaces,
+    String targetUuid,
+  ) {
+    final parent = _findParent(spaces, targetUuid);
+
+    if (parent != null) {
+      return parent.children.where((s) => s.uuid != targetUuid).toList();
+    } else {
+      if (spaces.any((s) => s.uuid == targetUuid)) {
+        return spaces.where((s) => s.uuid != targetUuid).toList();
+      }
+    }
+    return [];
+  }
+
+  SpaceModel? _findParent(List<SpaceModel> allSpaces, String childUuid) {
+    for (final space in allSpaces) {
+      if (space.children.any((child) => child.uuid == childUuid)) {
+        return space;
+      }
+      final parent = _findParent(space.children, childUuid);
+      if (parent != null) {
+        return parent;
+      }
+    }
+    return null;
+  }
+
+  List<String> _getSiblingNames() {
+    final siblings = _findSiblings(selectedCommunity.spaces, selectedSpace.uuid);
+    final names = siblings.map((s) => s.spaceName).toList();
+    names.add(initialName);
+    return names;
+  }
+
+  String _getInitialName() {
+    final allRelevantNames = _getSiblingNames();
+    final nameRegex = RegExp(r'^(.*?) ?\((\d+)\)$');
+
+    final baseNameMatch = nameRegex.firstMatch(initialName);
+    final baseName = baseNameMatch?.group(1)?.trim() ?? initialName;
+
+    var maxSuffix = 0;
+
+    for (final name in allRelevantNames) {
+      if (name == baseName) {
+        continue;
+      }
+
+      final match = nameRegex.firstMatch(name);
+      if (match != null) {
+        final currentBaseName = match.group(1)!.trim();
+        if (currentBaseName == baseName) {
+          final suffix = int.parse(match.group(2)!);
+          if (suffix > maxSuffix) {
+            maxSuffix = suffix;
+          }
+        }
+      }
+    }
+
+    return '$baseName(${maxSuffix + 1})';
+  }
 }

lib/pages/space_management_v2/modules/duplicate_space/presentation/widgets/duplicate_space_dialog_form.dart

@@ -11,14 +11,14 @@ class DuplicateSpaceDialogForm extends StatefulWidget {
     required this.initialName,
     required this.selectedSpaceUuid,
     required this.selectedCommunityUuid,
-    required this.initialNameSuffix,
+    required this.siblingNames,
     super.key,
   });
 
   final String initialName;
   final String selectedSpaceUuid;
   final String selectedCommunityUuid;
-  final String initialNameSuffix;
+  final List<String> siblingNames;
 
   @override
   State<DuplicateSpaceDialogForm> createState() => _DuplicateSpaceDialogFormState();
@@ -26,20 +26,33 @@ class DuplicateSpaceDialogForm extends StatefulWidget {
 
 class _DuplicateSpaceDialogFormState extends State<DuplicateSpaceDialogForm> {
   late final TextEditingController _nameController;
-  bool _isNameValid = true;
+  String? _errorText;
 
   @override
   void initState() {
     super.initState();
     _nameController = TextEditingController(
-      text: '${widget.initialName}${widget.initialNameSuffix}',
+      text: widget.initialName,
     );
     _nameController.addListener(_validateName);
   }
 
-  void _validateName() => setState(
-        () => _isNameValid = _nameController.text.trim() != widget.initialName,
-      );
+  void _validateName() {
+    final name = _nameController.text.trim();
+    if (name.isEmpty) {
+      setState(() {
+        _errorText = 'Name cannot be empty';
+      });
+    } else if (widget.siblingNames.contains(name)) {
+      setState(() {
+        _errorText = 'Name must be unique';
+      });
+    } else {
+      setState(() {
+        _errorText = null;
+      });
+    }
+  }
 
   @override
   void dispose() {
@@ -66,15 +79,14 @@ class _DuplicateSpaceDialogFormState extends State<DuplicateSpaceDialogForm> {
           const SelectableText('Enter a new name for the duplicated space:'),
           DuplicateSpaceTextField(
             nameController: _nameController,
-            isNameValid: _isNameValid,
-            initialName: widget.initialName,
+            errorText: _errorText,
           ),
         ],
       ),
       actions: [
         SpaceDetailsActionButtons(
           spacerFlex: 2,
-          onSave: _isNameValid ? () => _submit(context) : null,
+          onSave: _errorText == null ? () => _submit(context) : null,
           onCancel: Navigator.of(context).pop,
           saveButtonLabel: 'Duplicate',
         ),

lib/pages/space_management_v2/modules/duplicate_space/presentation/widgets/duplicate_space_text_field.dart

@@ -5,16 +5,12 @@ import 'package:syncrow_web/utils/extension/build_context_x.dart';
 class DuplicateSpaceTextField extends StatelessWidget {
   const DuplicateSpaceTextField({
     required this.nameController,
-    required this.isNameValid,
-    required this.initialName,
+    required this.errorText,
     super.key,
   });
 
   final TextEditingController nameController;
-  final bool isNameValid;
-  final String initialName;
-
-  String get _errorText => 'Name must be different from "$initialName"';
+  final String? errorText;
 
   @override
   Widget build(BuildContext context) {
@@ -35,7 +31,7 @@ class DuplicateSpaceTextField extends StatelessWidget {
           color: context.theme.colorScheme.error,
           fontSize: 8,
         ),
-        errorText: isNameValid ? null : _errorText,
+        errorText: errorText,
       ),
     );
   }

lib/pages/space_management_v2/modules/space_details/presentation/widgets/space_details_form.dart

@@ -10,7 +10,7 @@ import 'package:syncrow_web/pages/space_management_v2/modules/update_space/prese
 import 'package:syncrow_web/utils/color_manager.dart';
 import 'package:syncrow_web/utils/extension/build_context_x.dart';
 
-class SpaceDetailsForm extends StatelessWidget {
+class SpaceDetailsForm extends StatefulWidget {
   const SpaceDetailsForm({
     required this.title,
     required this.space,
@@ -22,24 +22,52 @@ class SpaceDetailsForm extends StatelessWidget {
   final SpaceDetailsModel space;
   final void Function(SpaceDetailsModel space) onSave;
 
+  @override
+  State<SpaceDetailsForm> createState() => _SpaceDetailsFormState();
+}
+
+class _SpaceDetailsFormState extends State<SpaceDetailsForm> {
+  final _formKey = GlobalKey<FormState>();
+  bool _isFormValid = false;
+
+  @override
+  void initState() {
+    super.initState();
+    final initialName = widget.space.spaceName;
+    _isFormValid = initialName.isNotEmpty &&
+        initialName.length <= 50 &&
+        !widget.space.subspaces.any((subspace) => subspace.name == initialName);
+  }
+
   @override
   Widget build(BuildContext context) {
     return BlocProvider(
-      create: (context) => SpaceDetailsModelBloc(initialState: space),
+      create: (context) => SpaceDetailsModelBloc(initialState: widget.space),
       child: BlocBuilder<SpaceDetailsModelBloc, SpaceDetailsModel>(
-          buildWhen: (previous, current) => previous != current,
-          builder: (context, space) {
-            return AlertDialog(
-              title: DefaultTextStyle(
-                style: context.textTheme.titleLarge!.copyWith(
-                  fontSize: 30,
-                  fontWeight: FontWeight.w400,
-                  color: ColorsManager.blackColor,
-                ),
-                child: title,
+        buildWhen: (previous, current) => previous != current,
+        builder: (context, space) {
+          return AlertDialog(
+            title: DefaultTextStyle(
+              style: context.textTheme.titleLarge!.copyWith(
+                fontSize: 30,
+                fontWeight: FontWeight.w400,
+                color: ColorsManager.blackColor,
               ),
-              backgroundColor: ColorsManager.white,
-              content: SizedBox(
+              child: widget.title,
+            ),
+            backgroundColor: ColorsManager.white,
+            content: Form(
+              key: _formKey,
+              autovalidateMode: AutovalidateMode.onUserInteraction,
+              onChanged: () {
+                final isValid = _formKey.currentState?.validate() ?? false;
+                if (_isFormValid != isValid) {
+                  setState(() {
+                    _isFormValid = isValid;
+                  });
+                }
+              },
+              child: SizedBox(
                 height: context.screenHeight * 0.3,
                 width: context.screenWidth * 0.4,
                 child: Row(
@@ -70,14 +98,16 @@ class SpaceDetailsForm extends StatelessWidget {
                   ],
                 ),
               ),
-              actions: [
-                SpaceDetailsActionButtons(
-                  onSave: () => onSave(space),
-                  onCancel: Navigator.of(context).pop,
-                ),
-              ],
-            );
-          }),
+            ),
+            actions: [
+              SpaceDetailsActionButtons(
+                onSave: _isFormValid ? () => widget.onSave(space) : null,
+                onCancel: Navigator.of(context).pop,
+              ),
+            ],
+          );
+        },
+      ),
     );
   }
 }

lib/pages/space_management_v2/modules/space_details/presentation/widgets/space_name_text_field.dart

@@ -33,12 +33,13 @@ class _SpaceNameTextFieldState extends State<SpaceNameTextField> {
     super.dispose();
   }
 
-  final _formKey = GlobalKey<FormState>();
-
   String? _validateName(String? value) {
     if (value == null || value.isEmpty) {
       return '*Space name should not be empty.';
     }
+    if (value.length > 50) {
+      return '*Space name cannot be longer than 50 characters.';
+    }
     if (widget.isNameFieldExist(value)) {
       return '*Name already exists';
     }
@@ -47,30 +48,26 @@ class _SpaceNameTextFieldState extends State<SpaceNameTextField> {
 
   @override
   Widget build(BuildContext context) {
-    return Form(
-      key: _formKey,
-      autovalidateMode: AutovalidateMode.onUserInteraction,
-      child: TextFormField(
-        controller: _controller,
-        onChanged: (value) => context.read<SpaceDetailsModelBloc>().add(
-              UpdateSpaceDetailsName(value),
-            ),
-        validator: _validateName,
-        style: context.textTheme.bodyMedium,
-        decoration: InputDecoration(
-          hintText: 'Please enter the name',
-          hintStyle: context.textTheme.bodyMedium!.copyWith(
-            color: ColorsManager.lightGrayColor,
-          ),
-          filled: true,
-          fillColor: ColorsManager.boxColor,
-          enabledBorder: _buildBorder(context, ColorsManager.vividBlue),
-          focusedBorder: _buildBorder(context, ColorsManager.primaryColor),
-          errorBorder: _buildBorder(context, context.theme.colorScheme.error),
-          focusedErrorBorder: _buildBorder(context, context.theme.colorScheme.error),
-          errorStyle: context.textTheme.bodySmall?.copyWith(
-            color: context.theme.colorScheme.error,
+    return TextFormField(
+      controller: _controller,
+      onChanged: (value) => context.read<SpaceDetailsModelBloc>().add(
+            UpdateSpaceDetailsName(value),
           ),
+      validator: _validateName,
+      style: context.textTheme.bodyMedium,
+      decoration: InputDecoration(
+        hintText: 'Please enter the name',
+        hintStyle: context.textTheme.bodyMedium!.copyWith(
+          color: ColorsManager.lightGrayColor,
+        ),
+        filled: true,
+        fillColor: ColorsManager.boxColor,
+        enabledBorder: _buildBorder(context, ColorsManager.vividBlue),
+        focusedBorder: _buildBorder(context, ColorsManager.primaryColor),
+        errorBorder: _buildBorder(context, context.theme.colorScheme.error),
+        focusedErrorBorder: _buildBorder(context, context.theme.colorScheme.error),
+        errorStyle: context.textTheme.bodySmall?.copyWith(
+          color: context.theme.colorScheme.error,
         ),
       ),
     );

lib/pages/space_management_v2/modules/space_details/presentation/widgets/space_sub_spaces_dialog.dart

@@ -89,28 +89,35 @@ class _SpaceSubSpacesDialogState extends State<SpaceSubSpacesDialog> {
         ),
         child: const SelectableText('Create Sub-Space'),
       ),
-      content: Column(
-        spacing: 12,
-        mainAxisSize: MainAxisSize.min,
-        children: [
-          SubSpacesInput(
-            subSpaces: _subspaces,
-            onSubspaceAdded: _handleSubspaceAdded,
-            onSubspaceDeleted: _handleSubspaceDeleted,
-            controller: _subspaceNameController,
-          ),
-          AnimatedSwitcher(
-            duration: const Duration(milliseconds: 100),
-            child: Visibility(
-              key: ValueKey(_hasDuplicateNames),
-              visible: _hasDuplicateNames,
-              child: const SelectableText(
-                'Error: Duplicate subspace names are not allowed.',
-                style: TextStyle(color: Colors.red),
+      content: ConstrainedBox(
+        constraints: BoxConstraints(
+          maxHeight: context.screenHeight * 0.4,
+        ),
+        child: SingleChildScrollView(
+          child: Column(
+            spacing: 12,
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              SubSpacesInput(
+                subSpaces: _subspaces,
+                onSubspaceAdded: _handleSubspaceAdded,
+                onSubspaceDeleted: _handleSubspaceDeleted,
+                controller: _subspaceNameController,
               ),
-            ),
+              AnimatedSwitcher(
+                duration: const Duration(milliseconds: 100),
+                child: Visibility(
+                  key: ValueKey(_hasDuplicateNames),
+                  visible: _hasDuplicateNames,
+                  child: const SelectableText(
+                    'Error: Duplicate subspace names are not allowed.',
+                    style: TextStyle(color: Colors.red),
+                  ),
+                ),
+              ),
+            ],
           ),
-        ],
+        ),
       ),
       actions: [
         SpaceDetailsActionButtons(

lib/pages/space_management_v2/modules/tags/presentation/widgets/assign_tags_dialog.dart

@@ -182,15 +182,20 @@ class _AssignTagsDialogState extends State<AssignTagsDialog> {
           mainAxisSize: MainAxisSize.min,
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
-            SizedBox(
-              width: double.infinity,
-              child: AssignTagsTable(
-                productAllocations: allProductAllocations,
-                subspaces: _space.subspaces,
-                productLocations: productLocations,
-                onTagSelected: _handleTagChange,
-                onLocationSelected: _handleLocationChange,
-                onProductDeleted: _handleProductDelete,
+            ConstrainedBox(
+              constraints: BoxConstraints(
+                minWidth: double.infinity,
+                maxHeight: context.screenHeight * 0.6,
+              ),
+              child: SingleChildScrollView(
+                child: AssignTagsTable(
+                  productAllocations: allProductAllocations,
+                  subspaces: _space.subspaces,
+                  productLocations: productLocations,
+                  onTagSelected: _handleTagChange,
+                  onLocationSelected: _handleLocationChange,
+                  onProductDeleted: _handleProductDelete,
+                ),
               ),
             ),
             if (hasErrors)