add email verification and account screen

lib/BlindMasterScreens/Startup/create_user_screen.dart

@@ -6,6 +6,8 @@ import 'package:flutter/material.dart';
 
 import 'package:blind_master/BlindMasterResources/text_inputs.dart';
 import 'package:blind_master/BlindMasterResources/title_text.dart';
+import 'package:blind_master/BlindMasterScreens/Startup/verification_waiting_screen.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 
 class CreateUserScreen extends StatefulWidget {
   const CreateUserScreen({super.key});
@@ -44,18 +46,25 @@ class _CreateUserScreenState extends State<CreateUserScreen> {
 
       if (response.statusCode == 201) {
         if(mounted) {
-          ScaffoldMessenger.of(context).clearSnackBars();
-          ScaffoldMessenger.of(context).showSnackBar(
-            SnackBar(
-              backgroundColor: Colors.green[800],
-              content: Text(
-                "Account Successfully Created!",
-                textAlign: TextAlign.center,
-                style: TextStyle(fontSize: 15),
+          // Extract token from response body
+          final body = json.decode(response.body);
+          final token = body['token'];
+          
+          if (token != null && token.isNotEmpty) {
+            // Store token temporarily for verification checking
+            final storage = FlutterSecureStorage();
+            await storage.write(key: 'temp_token', value: token);
+            
+            // Navigate to verification waiting screen
+            Navigator.push(
+              context,
+              MaterialPageRoute(
+                builder: (context) => VerificationWaitingScreen(token: token),
               ),
-            )
-          );
-          Navigator.pop(context);
+            );
+          } else {
+            throw Exception('No token received from server');
+          }
         }
       } else {
         if (response.statusCode == 409) throw Exception('Email Already In Use!');

lib/BlindMasterScreens/Startup/login_screen.dart

@@ -51,6 +51,23 @@ class _LoginScreenState extends State<LoginScreen> {
       final response = await regularPost(payload, 'login');
       if (response.statusCode != 200) {
         if (response.statusCode == 400) {throw Exception('Email and Password Necessary');}
+        else if (response.statusCode == 403) {
+          // Email not verified
+          if (!mounted) return;
+          ScaffoldMessenger.of(context).clearSnackBars();
+          ScaffoldMessenger.of(context).showSnackBar(
+            SnackBar(
+              backgroundColor: Colors.orange[700],
+              duration: Duration(seconds: 4),
+              content: Text(
+                "Your account has not been verified. Please check your email from blindmasterapp@wahwa.com and verify your account.",
+                textAlign: TextAlign.center,
+                style: TextStyle(fontSize: 15),
+              ),
+            )
+          );
+          return;
+        }
         else if (response.statusCode == 429) {
           final body = json.decode(response.body);
           final retryAfter = body['retryAfter'] ?? 'some time';

lib/BlindMasterScreens/Startup/verification_waiting_screen.dart

@@ -0,0 +1,217 @@
+import 'dart:async';
+import 'dart:convert';
+
+import 'package:blind_master/BlindMasterResources/error_snackbar.dart';
+import 'package:flutter/material.dart';
+import 'package:blind_master/BlindMasterResources/title_text.dart';
+import 'package:http/http.dart' as http;
+
+class VerificationWaitingScreen extends StatefulWidget {
+  final String token;
+  
+  const VerificationWaitingScreen({super.key, required this.token});
+
+  @override
+  State<VerificationWaitingScreen> createState() => _VerificationWaitingScreenState();
+}
+
+class _VerificationWaitingScreenState extends State<VerificationWaitingScreen> {
+  Timer? _pollingTimer;
+  bool _isChecking = false;
+
+  @override
+  void initState() {
+    super.initState();
+    _startPolling();
+  }
+
+  @override
+  void dispose() {
+    _pollingTimer?.cancel();
+    super.dispose();
+  }
+
+  void _startPolling() {
+    _pollingTimer = Timer.periodic(Duration(seconds: 5), (timer) {
+      _checkVerificationStatus();
+    });
+  }
+
+  Future<void> _checkVerificationStatus() async {
+    if (_isChecking) return;
+    
+    setState(() {
+      _isChecking = true;
+    });
+
+    try {
+      final uri = Uri.parse('https://wahwa.com').replace(path: 'verification_status');
+      
+      final response = await http.get(
+        uri,
+        headers: {
+          'Authorization': 'Bearer ${widget.token}',
+          'Content-Type': 'application/json',
+        },
+      ).timeout(const Duration(seconds: 10));
+      
+      if (response.statusCode == 200) {
+        final body = json.decode(response.body);
+        if (body['is_verified'] == true) {
+          _pollingTimer?.cancel();
+          if (!mounted) return;
+          
+          Navigator.of(context).popUntil((route) => route.isFirst);
+          
+          ScaffoldMessenger.of(context).clearSnackBars();
+          ScaffoldMessenger.of(context).showSnackBar(
+            SnackBar(
+              backgroundColor: Colors.green[800],
+              duration: Duration(seconds: 4),
+              content: Text(
+                "Account verified successfully! You can now log in.",
+                textAlign: TextAlign.center,
+                style: TextStyle(fontSize: 15),
+              ),
+            )
+          );
+        }
+      }
+    } catch (e) {
+      // Silently fail for polling - don't show error to user
+      print('Verification status check failed: $e');
+    } finally {
+      if (mounted) {
+        setState(() {
+          _isChecking = false;
+        });
+      }
+    }
+  }
+
+  Future<void> _resendVerificationEmail() async {
+    try {
+      final uri = Uri.parse('https://wahwa.com').replace(path: 'resend_verification');
+      
+      final response = await http.post(
+        uri,
+        headers: {
+          'Authorization': 'Bearer ${widget.token}',
+          'Content-Type': 'application/json',
+        },
+        body: json.encode({}),
+      ).timeout(const Duration(seconds: 10));
+      
+      if (!mounted) return;
+      
+      if (response.statusCode == 200) {
+        ScaffoldMessenger.of(context).clearSnackBars();
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            backgroundColor: Colors.green[800],
+            content: Text(
+              "Verification email sent! Please check your inbox.",
+              textAlign: TextAlign.center,
+              style: TextStyle(fontSize: 15),
+            ),
+          )
+        );
+      } else if (response.statusCode == 429) {
+        final body = json.decode(response.body);
+        final retryAfter = body['retryAfter'] ?? 20;
+        throw Exception('Please wait $retryAfter seconds before requesting another email.');
+      } else {
+        throw Exception('Failed to resend verification email');
+      }
+    } catch (e) {
+      if (!mounted) return;
+      ScaffoldMessenger.of(context).clearSnackBars();
+      ScaffoldMessenger.of(context).showSnackBar(
+        errorSnackbar(e)
+      );
+    }
+  }
+
+  Future<void> _onRefresh() async {
+    await _checkVerificationStatus();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: RefreshIndicator(
+        onRefresh: _onRefresh,
+        child: Container(
+          color: Theme.of(context).primaryColorLight,
+          child: ListView(
+            physics: AlwaysScrollableScrollPhysics(),
+            children: [
+              Container(
+                height: MediaQuery.of(context).size.height,
+                child: Column(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: [
+                    TitleText("Verify Your Email", txtClr: Colors.white),
+                    SizedBox(height: 30),
+                    Padding(
+                      padding: EdgeInsets.symmetric(horizontal: 40),
+                      child: Text(
+                        "We've sent a verification link to your email from blindmasterapp@wahwa.com",
+                        textAlign: TextAlign.center,
+                        style: TextStyle(
+                          color: Colors.white,
+                          fontSize: 16,
+                        ),
+                      ),
+                    ),
+                    SizedBox(height: 20),
+                    if (_isChecking)
+                      CircularProgressIndicator(
+                        valueColor: AlwaysStoppedAnimation<Color>(Colors.white),
+                      )
+                    else
+                      Icon(
+                        Icons.email_outlined,
+                        size: 80,
+                        color: Colors.white70,
+                      ),
+                    SizedBox(height: 30),
+                    Padding(
+                      padding: EdgeInsets.symmetric(horizontal: 40),
+                      child: Text(
+                        "Click the link in the email to verify your account. This page will automatically update once verified.",
+                        textAlign: TextAlign.center,
+                        style: TextStyle(
+                          color: Colors.white70,
+                          fontSize: 14,
+                        ),
+                      ),
+                    ),
+                    SizedBox(height: 40),
+                    ElevatedButton(
+                      onPressed: _resendVerificationEmail,
+                      child: Text("Resend Verification Email"),
+                    ),
+                    SizedBox(height: 20),
+                    Padding(
+                      padding: EdgeInsets.symmetric(horizontal: 40),
+                      child: Text(
+                        "Pull down to check verification status manually",
+                        textAlign: TextAlign.center,
+                        style: TextStyle(
+                          color: Colors.white54,
+                          fontSize: 12,
+                          fontStyle: FontStyle.italic,
+                        ),
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}