password check before email change, blindMasterMainInput use for all text inputs

lib/BlindMasterResources/text_inputs.dart

@@ -1,44 +1,102 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 
-
+/// A comprehensive, flexible text input widget that maintains consistent styling
-
+/// across the entire app while supporting all common text input use cases.
-class BlindMasterMainInput extends StatefulWidget {
+class BlindMasterInput extends StatefulWidget {
-  const BlindMasterMainInput(this.label, {super.key, this.controller, this.validator, this.color, this.password = false});
+  const BlindMasterInput(
+    this.label, {
+    super.key,
+    this.controller,
+    this.validator,
+    this.color,
+    this.password = false,
+    this.enabled = true,
+    this.keyboardType,
+    this.prefixIcon,
+    this.hintText,
+    this.textCapitalization = TextCapitalization.none,
+    this.inputFormatters,
+    this.textAlign = TextAlign.start,
+    this.maxLength,
+    this.textInputAction,
+    this.onFieldSubmitted,
+    this.onChanged,
+    this.focusedBorderColor,
+    this.initialValue,
+    this.autofocus = false,
+  });
 
   final String label;
   final TextEditingController? controller;
   final Color? color;
   final bool password;
+  final bool enabled;
+  final TextInputType? keyboardType;
+  final IconData? prefixIcon;
+  final String? hintText;
+  final TextCapitalization textCapitalization;
+  final List<TextInputFormatter>? inputFormatters;
+  final TextAlign textAlign;
+  final int? maxLength;
+  final TextInputAction? textInputAction;
+  final Function(String)? onFieldSubmitted;
+  final Function(String)? onChanged;
+  final Color? focusedBorderColor;
+  final String? initialValue;
+  final bool autofocus;
 
   final String? Function(String?)? validator;
 
   @override
-  State<BlindMasterMainInput> createState() => _BlindMasterMainInputState();
+  State<BlindMasterInput> createState() => _BlindMasterInputState();
 }
 
-class _BlindMasterMainInputState extends State<BlindMasterMainInput> {
+class _BlindMasterInputState extends State<BlindMasterInput> {
   bool _obscureText = true;
 
   @override
   Widget build(BuildContext context) {
     return Container(
-      padding: EdgeInsets.all(10),
+      padding: const EdgeInsets.all(10),
       child: TextFormField(
+        initialValue: widget.initialValue,
+        controller: widget.controller,
         validator: widget.validator,
         obscureText: widget.password && _obscureText,
-        enableSuggestions: false,
+        enableSuggestions: !widget.password,
-        autocorrect: false,
+        autocorrect: !widget.password,
-        controller: widget.controller,
+        enabled: widget.enabled,
+        keyboardType: widget.keyboardType,
+        textCapitalization: widget.textCapitalization,
+        inputFormatters: widget.inputFormatters,
+        textAlign: widget.textAlign,
+        maxLength: widget.maxLength,
+        textInputAction: widget.textInputAction,
+        onFieldSubmitted: widget.onFieldSubmitted,
+        onChanged: widget.onChanged,
+        autofocus: widget.autofocus,
         style: TextStyle(
-          color: widget.color
+          color: widget.color,
         ),
         decoration: InputDecoration(
           border: OutlineInputBorder(
-            borderRadius: BorderRadius.all(Radius.circular(10)),
+            borderRadius: const BorderRadius.all(Radius.circular(10)),
           ),
+          focusedBorder: widget.focusedBorderColor != null
+              ? OutlineInputBorder(
+                  borderRadius: const BorderRadius.all(Radius.circular(10)),
+                  borderSide: BorderSide(
+                    color: widget.focusedBorderColor!,
+                    width: 2,
+                  ),
+                )
+              : null,
           labelText: widget.label,
+          hintText: widget.hintText,
           labelStyle: TextStyle(color: widget.color),
-          contentPadding: EdgeInsets.all(10),
+          contentPadding: const EdgeInsets.all(10),
+          prefixIcon: widget.prefixIcon != null ? Icon(widget.prefixIcon) : null,
           suffixIcon: widget.password
               ? IconButton(
                   icon: Icon(
@@ -51,8 +109,21 @@ class _BlindMasterMainInputState extends State<BlindMasterMainInput> {
                   },
                 )
               : null,
+          counterText: widget.maxLength != null ? '' : null, // Hide character counter
+        ),
       ),
-      )
     );
   }
 }
+
+// Legacy alias for backward compatibility
+class BlindMasterMainInput extends BlindMasterInput {
+  const BlindMasterMainInput(
+    super.label, {
+    super.key,
+    super.controller,
+    super.validator,
+    super.color,
+    super.password,
+  });
+}

lib/BlindMasterScreens/Startup/forgot_password_screen.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'dart:convert';
 import '../../BlindMasterResources/secure_transmissions.dart';
+import '../../BlindMasterResources/text_inputs.dart';
 import 'verify_reset_code_screen.dart';
 
 class ForgotPasswordScreen extends StatefulWidget {
@@ -139,13 +140,10 @@ class _ForgotPasswordScreenState extends State<ForgotPasswordScreen> {
                     textAlign: TextAlign.center,
                   ),
                   const SizedBox(height: 32),
-                  TextFormField(
+                  BlindMasterInput(
+                    'Email',
                     controller: _emailController,
-                    decoration: const InputDecoration(
+                    prefixIcon: Icons.email,
-                      labelText: 'Email',
-                      border: OutlineInputBorder(),
-                      prefixIcon: Icon(Icons.email),
-                    ),
                     keyboardType: TextInputType.emailAddress,
                     validator: _emailValidator,
                     enabled: !_isLoading,

lib/BlindMasterScreens/Startup/verify_reset_code_screen.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'dart:convert';
 import '../../BlindMasterResources/secure_transmissions.dart';
+import '../../BlindMasterResources/text_inputs.dart';
 import 'reset_password_form_screen.dart';
 
 class VerifyResetCodeScreen extends StatefulWidget {
@@ -220,14 +221,11 @@ class _VerifyResetCodeScreenState extends State<VerifyResetCodeScreen> {
                     textAlign: TextAlign.center,
                   ),
                   const SizedBox(height: 32),
-                  TextFormField(
+                  BlindMasterInput(
+                    'Reset Code',
                     controller: _codeController,
-                    decoration: const InputDecoration(
+                    prefixIcon: Icons.security,
-                      labelText: 'Reset Code',
-                      border: OutlineInputBorder(),
-                      prefixIcon: Icon(Icons.security),
                     hintText: 'ABC123',
-                    ),
                     keyboardType: TextInputType.text,
                     textCapitalization: TextCapitalization.characters,
                     inputFormatters: [
@@ -237,11 +235,6 @@ class _VerifyResetCodeScreenState extends State<VerifyResetCodeScreen> {
                     validator: _codeValidator,
                     enabled: !_isLoading && !_isResending,
                     textAlign: TextAlign.center,
-                    style: const TextStyle(
-                      fontSize: 24,
-                      letterSpacing: 8,
-                      fontWeight: FontWeight.bold,
-                    ),
                   ),
                   const SizedBox(height: 24),
                   ElevatedButton(

lib/BlindMasterScreens/accountManagement/account_screen.dart

@@ -2,7 +2,7 @@ import 'dart:convert';
 import 'package:blind_master/BlindMasterResources/error_snackbar.dart';
 import 'package:blind_master/BlindMasterResources/secure_transmissions.dart';
 import 'package:blind_master/BlindMasterScreens/accountManagement/change_password_screen.dart';
-import 'package:blind_master/BlindMasterScreens/accountManagement/verify_email_change_screen.dart';
+import 'package:blind_master/BlindMasterScreens/accountManagement/change_email_screen.dart';
 import 'package:flutter/material.dart';
 import 'package:google_fonts/google_fonts.dart';
 
@@ -157,106 +157,21 @@ class _AccountScreenState extends State<AccountScreen> {
   }
 
   Future<void> _handleChangeEmail() async {
-    final TextEditingController emailController = TextEditingController();
+    if (email == null || email == 'N/A') {
-    final formKey = GlobalKey<FormState>();
+      ScaffoldMessenger.of(context).showSnackBar(
-    final primaryColor = Theme.of(context).primaryColorLight;
+        SnackBar(
-
+          backgroundColor: Colors.red[700],
-    final result = await showDialog<bool>(
+          content: Text('Unable to load current email'),
-      context: context,
-      builder: (BuildContext dialogContext) {
-        return AlertDialog(
-          title: Text('Change Email'),
-          content: Form(
-            key: formKey,
-            child: TextFormField(
-              controller: emailController,
-              decoration: InputDecoration(
-                labelText: 'New Email Address',
-                border: OutlineInputBorder(),
-                prefixIcon: Icon(Icons.email),
-              ),
-              keyboardType: TextInputType.emailAddress,
-              validator: (value) {
-                if (value == null || value.isEmpty) {
-                  return 'Please enter an email address';
-                }
-                final emailRegex = RegExp(r'^[^\s@]+@[^\s@]+\.[^\s@]+$');
-                if (!emailRegex.hasMatch(value)) {
-                  return 'Please enter a valid email';
-                }
-                if (value == email) {
-                  return 'This is your current email';
-                }
-                return null;
-              },
-            ),
-          ),
-          actions: [
-            TextButton(
-              onPressed: () => Navigator.of(dialogContext).pop(false),
-              child: Text('Cancel'),
-            ),
-            ElevatedButton(
-              style: ElevatedButton.styleFrom(
-                backgroundColor: primaryColor,
-                foregroundColor: Colors.white,
-              ),
-              onPressed: () async {
-                if (formKey.currentState!.validate()) {
-                  Navigator.of(dialogContext).pop(true);
-                }
-              },
-              child: Text('Send Verification'),
-            ),
-          ],
-        );
-      },
-    );
-
-    // Allow dialog to fully close before disposing controller
-    await Future.delayed(Duration(milliseconds: 100));
-    
-    if (result == true && mounted) {
-      final newEmail = emailController.text.trim();
-      
-      try {
-        // Show loading indicator
-        showDialog(
-          context: context,
-          barrierDismissible: false,
-          builder: (BuildContext loadingContext) {
-            return Center(
-              child: CircularProgressIndicator(
-                color: primaryColor,
         ),
       );
-          },
+      return;
-        );
-
-        final localHour = DateTime.now().hour;
-        final response = await securePost(
-          {
-            'newEmail': newEmail,
-            'localHour': localHour,
-          },
-          'request-email-change',
-        );
-
-        // Remove loading indicator
-        if (mounted) Navigator.of(context).pop();
-
-        if (response == null) {
-          throw Exception('No response from server');
     }
 
-        if (response.statusCode == 200) {
+    // Navigate to change email screen
-          if (!mounted) return;
-          
-          // Navigate to waiting screen
     final success = await Navigator.push(
       context,
       MaterialPageRoute(
-              builder: (context) => EmailChangeWaitingScreen(newEmail: newEmail),
+        builder: (context) => ChangeEmailScreen(currentEmail: email!),
       ),
     );
 
@@ -264,24 +179,6 @@ class _AccountScreenState extends State<AccountScreen> {
     if (success == true && mounted) {
       await fetchAccountInfo();
     }
-        } else {
-          final body = json.decode(response.body);
-          throw Exception(body['error'] ?? 'Failed to send verification email');
-        }
-      } catch (e) {
-        // Remove loading indicator if still showing
-        if (mounted && Navigator.of(context).canPop()) {
-          Navigator.of(context).pop();
-        }
-
-        if (!mounted) return;
-        ScaffoldMessenger.of(context).showSnackBar(errorSnackbar(e));
-      } finally {
-        emailController.dispose();
-      }
-    } else {
-      emailController.dispose();
-    }
   }
 
   @override

lib/BlindMasterScreens/accountManagement/change_email_screen.dart

@@ -0,0 +1,258 @@
+import 'dart:convert';
+import 'package:blind_master/BlindMasterResources/error_snackbar.dart';
+import 'package:blind_master/BlindMasterResources/secure_transmissions.dart';
+import 'package:blind_master/BlindMasterResources/text_inputs.dart';
+import 'package:blind_master/BlindMasterScreens/accountManagement/verify_email_change_screen.dart';
+import 'package:flutter/material.dart';
+import 'package:google_fonts/google_fonts.dart';
+
+class ChangeEmailScreen extends StatefulWidget {
+  final String currentEmail;
+  
+  const ChangeEmailScreen({super.key, required this.currentEmail});
+
+  @override
+  State<ChangeEmailScreen> createState() => _ChangeEmailScreenState();
+}
+
+class _ChangeEmailScreenState extends State<ChangeEmailScreen> {
+  final passwordController = TextEditingController();
+  final newEmailController = TextEditingController();
+
+  final _formKey = GlobalKey<FormState>();
+
+  @override
+  void dispose() {
+    passwordController.dispose();
+    newEmailController.dispose();
+    super.dispose();
+  }
+
+  String? passwordValidator(String? input) {
+    if (input == null || input.isEmpty) {
+      return 'Password is required';
+    }
+    return null;
+  }
+
+  String? emailValidator(String? input) {
+    if (input == null || input.isEmpty) {
+      return 'Email address is required';
+    }
+    final emailRegex = RegExp(r'^[^\s@]+@[^\s@]+\.[^\s@]+$');
+    if (!emailRegex.hasMatch(input)) {
+      return 'Please enter a valid email';
+    }
+    if (input == widget.currentEmail) {
+      return 'This is your current email';
+    }
+    return null;
+  }
+
+  Future<void> handleChangeEmail() async {
+    if (!_formKey.currentState!.validate()) {
+      return;
+    }
+
+    try {
+      // Show loading indicator
+      showDialog(
+        context: context,
+        barrierDismissible: false,
+        builder: (BuildContext context) {
+          return Center(
+            child: CircularProgressIndicator(
+              color: Theme.of(context).primaryColorLight,
+            ),
+          );
+        },
+      );
+
+      final localHour = DateTime.now().hour;
+      final payload = {
+        'password': passwordController.text,
+        'newEmail': newEmailController.text,
+        'localHour': localHour,
+      };
+
+      final response = await securePost(payload, 'request-email-change');
+
+      // Remove loading indicator
+      if (mounted) Navigator.of(context).pop();
+
+      if (response == null) {
+        throw Exception('No response from server');
+      }
+
+      if (response.statusCode == 200) {
+        if (!mounted) return;
+        
+        // Navigate to waiting screen
+        final success = await Navigator.push(
+          context,
+          MaterialPageRoute(
+            builder: (context) => EmailChangeWaitingScreen(newEmail: newEmailController.text),
+          ),
+        );
+
+        // If email was changed successfully, return true to refresh account info
+        if (success == true && mounted) {
+          Navigator.pop(context, true);
+        }
+      } else if (response.statusCode == 401) {
+        throw Exception('Password is incorrect');
+      } else if (response.statusCode == 409) {
+        throw Exception('Email already in use');
+      } else if (response.statusCode == 400) {
+        final body = json.decode(response.body);
+        throw Exception(body['error'] ?? 'Invalid request');
+      } else {
+        throw Exception('Failed to send verification email');
+      }
+    } catch (e) {
+      // Remove loading indicator if still showing
+      if (mounted && Navigator.of(context).canPop()) {
+        Navigator.of(context).pop();
+      }
+
+      if (!mounted) return;
+      ScaffoldMessenger.of(context).showSnackBar(errorSnackbar(e));
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        backgroundColor: Theme.of(context).primaryColorLight,
+        foregroundColor: Colors.white,
+        title: Text(
+          'Change Email',
+          style: GoogleFonts.aBeeZee(),
+        ),
+      ),
+      body: SingleChildScrollView(
+        child: Padding(
+          padding: const EdgeInsets.all(20.0),
+          child: Form(
+            key: _formKey,
+            autovalidateMode: AutovalidateMode.onUnfocus,
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.stretch,
+              children: [
+                SizedBox(height: 20),
+                // Current email display
+                Card(
+                  elevation: 2,
+                  color: Colors.blue[50],
+                  child: Padding(
+                    padding: const EdgeInsets.all(16.0),
+                    child: Column(
+                      crossAxisAlignment: CrossAxisAlignment.start,
+                      children: [
+                        Row(
+                          children: [
+                            Icon(Icons.info_outline, color: Colors.blue[700]),
+                            SizedBox(width: 10),
+                            Text(
+                              'Current Email',
+                              style: TextStyle(
+                                fontWeight: FontWeight.bold,
+                                color: Colors.blue[700],
+                              ),
+                            ),
+                          ],
+                        ),
+                        SizedBox(height: 8),
+                        Text(
+                          widget.currentEmail,
+                          style: TextStyle(
+                            fontSize: 16,
+                            color: Colors.grey[800],
+                          ),
+                        ),
+                      ],
+                    ),
+                  ),
+                ),
+                SizedBox(height: 20),
+                // Warning card
+                Card(
+                  elevation: 2,
+                  color: Colors.orange[50],
+                  child: Padding(
+                    padding: const EdgeInsets.all(16.0),
+                    child: Column(
+                      crossAxisAlignment: CrossAxisAlignment.start,
+                      children: [
+                        Row(
+                          children: [
+                            Icon(Icons.warning_amber, color: Colors.orange[700]),
+                            SizedBox(width: 10),
+                            Text(
+                              'Important',
+                              style: TextStyle(
+                                fontWeight: FontWeight.bold,
+                                color: Colors.orange[700],
+                              ),
+                            ),
+                          ],
+                        ),
+                        SizedBox(height: 8),
+                        Text(
+                          'After changing your email, ${widget.currentEmail} will no longer receive any communications from BlindMaster, including password reset codes.',
+                          style: TextStyle(
+                            fontSize: 14,
+                            color: Colors.grey[800],
+                          ),
+                        ),
+                      ],
+                    ),
+                  ),
+                ),
+                SizedBox(height: 30),
+                Text(
+                  'Verify your identity and enter new email',
+                  style: TextStyle(
+                    fontSize: 16,
+                    color: Colors.grey[700],
+                    fontWeight: FontWeight.w500,
+                  ),
+                  textAlign: TextAlign.center,
+                ),
+                SizedBox(height: 30),
+                BlindMasterMainInput(
+                  'Current Password',
+                  controller: passwordController,
+                  password: true,
+                  validator: passwordValidator,
+                ),
+                SizedBox(height: 20),
+                Divider(),
+                SizedBox(height: 20),
+                BlindMasterMainInput(
+                  'New Email Address',
+                  controller: newEmailController,
+                  validator: emailValidator,
+                ),
+                SizedBox(height: 30),
+                ElevatedButton(
+                  onPressed: handleChangeEmail,
+                  style: ElevatedButton.styleFrom(
+                    backgroundColor: Theme.of(context).primaryColorLight,
+                    foregroundColor: Colors.white,
+                    padding: EdgeInsets.symmetric(vertical: 15),
+                  ),
+                  child: Text(
+                    'Send Verification Email',
+                    style: TextStyle(fontSize: 16),
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/BlindMasterScreens/addingDevices/device_setup.dart

@@ -2,6 +2,7 @@ import 'dart:async';
 import 'dart:convert';
 
 import 'package:blind_master/BlindMasterResources/error_snackbar.dart';
+import 'package:blind_master/BlindMasterResources/text_inputs.dart';
 import 'package:blind_master/BlindMasterScreens/addingDevices/set_device_name.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_blue_plus/flutter_blue_plus.dart';
@@ -58,7 +59,6 @@ class _DeviceSetupState extends State<DeviceSetup> {
 
   final passControl = TextEditingController();
   final unameControl = TextEditingController();
-  bool _obscureWifiPassword = true;
 
   @override void initState() {
     super.initState();
@@ -203,9 +203,6 @@ class _DeviceSetupState extends State<DeviceSetup> {
     bool ent = isEnterprise(network);
     bool open = isOpen(network);
     
-    // Reset password visibility state for new dialog
-    _obscureWifiPassword = true;
-    
     Map<String, String> creds = await showDialog(
       context: context, 
       builder: (dialogContext) {
@@ -225,9 +222,10 @@ class _DeviceSetupState extends State<DeviceSetup> {
                       Column(
                         mainAxisAlignment: MainAxisAlignment.center,
                         children: [
-                          TextFormField(
+                          BlindMasterInput(
+                            'Enterprise Login',
                             controller: unameControl,
-                            decoration: const InputDecoration(hintText: "Enter your enterprise login"),
+                            hintText: "Enter your enterprise login",
                             textInputAction: TextInputAction.next,
                             onFieldSubmitted: (_) => FocusScope.of(context).nextFocus(),
                             validator: (value) => (value == null || value.isEmpty) ? "Empty username!" : null,
@@ -236,22 +234,11 @@ class _DeviceSetupState extends State<DeviceSetup> {
                         ]
                       ),
                     if (!open)
-                      TextFormField(
+                      BlindMasterInput(
+                        'WiFi Password',
                         controller: passControl,
-                        obscureText: _obscureWifiPassword,
+                        password: true,
-                        decoration: InputDecoration(
                         hintText: "Enter password",
-                          suffixIcon: IconButton(
-                            icon: Icon(
-                              _obscureWifiPassword ? Icons.visibility : Icons.visibility_off,
-                            ),
-                            onPressed: () {
-                              setState(() {
-                                _obscureWifiPassword = !_obscureWifiPassword;
-                              });
-                            },
-                          ),
-                        ),
                         validator: (value) => (value == null || value.length < 8) ? "Not long enough!" : null,
                         textInputAction: TextInputAction.send,
                         onFieldSubmitted: (value) {

lib/BlindMasterScreens/groupControl/create_group_dialog.dart

@@ -1,6 +1,7 @@
 import 'dart:convert';
 
 import 'package:blind_master/BlindMasterResources/secure_transmissions.dart';
+import 'package:blind_master/BlindMasterResources/text_inputs.dart';
 import 'package:flutter/material.dart';
 import 'package:google_fonts/google_fonts.dart';
 
@@ -151,21 +152,10 @@ class _CreateGroupDialogState extends State<CreateGroupDialog> {
           : Column(
               mainAxisSize: MainAxisSize.min,
               children: <Widget>[
-                TextField(
+                BlindMasterInput(
+                  'Group Name',
                   controller: _nameController,
-                  decoration: InputDecoration(
+                  focusedBorderColor: Theme.of(context).primaryColorDark,
-                    labelText: 'Group Name',
-                    border: OutlineInputBorder(
-                      borderRadius: BorderRadius.circular(10),
-                    ),
-                    focusedBorder: OutlineInputBorder(
-                      borderRadius: BorderRadius.circular(10),
-                      borderSide: BorderSide(
-                        color: Theme.of(context).primaryColorDark,
-                        width: 2,
-                      ),
-                    ),
-                  ),
                   onChanged: (_) {
                     if (errorMessage != null) {
                       setState(() {

lib/BlindMasterScreens/individualControl/device_screen.dart

@@ -211,12 +211,9 @@ class _DeviceScreenState extends State<DeviceScreen> {
           content: Column(
             mainAxisSize: MainAxisSize.min, // Keep column compact
             children: <Widget>[
-              TextFormField(
+              BlindMasterInput(
+                'Peripheral Name',
                 controller: _newPeripheralNameController,
-                decoration: const InputDecoration(
-                  labelText: 'Peripheral Name',
-                  border: OutlineInputBorder(),
-                ),
               ),
               const SizedBox(height: 20),
               DropdownButtonFormField<int>(