Merge branch 'language-translation' of https://git.7o9o.net/md.asif5/kmobile into language-translation

lib/app.dart

@@ -294,6 +294,126 @@ class _AuthGateState extends State<AuthGate> {
 }*/
 
   @override
+  Widget build(BuildContext context) {
+    if (_checking) {
+      return const SplashScreen();
+    }
+    // ✅ Step 1: Show welcome screen first, only once
+    if (_showWelcome) {
+      return WelcomeScreen(
+        onContinue: () {
+          setState(() {
+            _showWelcome = false;
+          });
+        },
+      );
+    }
+
+    // ✅ Step 2: Check login status
+    if (_isLoggedIn) {
+      if (_hasMPin) {
+        if (_biometricEnabled) {
+          return FutureBuilder<bool>(
+            future: _tryBiometric(),
+            builder: (context, snapshot) {
+              if (snapshot.connectionState == ConnectionState.waiting) {
+                return const SplashScreen();
+              }
+
+              if (snapshot.data == true) {
+                return const NavigationScaffold(); // Authenticated
+              }
+
+              // ❌ Biometric failed → Show MPIN screen
+              return MPinScreen(
+                mode: MPinMode.enter,
+                onCompleted: (_) {
+                  Navigator.of(context).pushReplacement(
+                    MaterialPageRoute(
+                      builder: (_) => const NavigationScaffold(),
+                    ),
+                  );
+                },
+              );
+            },
+          );
+        } else {
+          return MPinScreen(
+            mode: MPinMode.enter,
+            onCompleted: (_) {
+              Navigator.of(context).pushReplacement(
+                MaterialPageRoute(
+                  builder: (_) => const NavigationScaffold(),
+                ),
+              );
+            },
+          );
+        }
+      } else {
+        // No MPIN set → show MPIN set screen + biometric dialog
+        return MPinScreen(
+          mode: MPinMode.set,
+          onCompleted: (_) async {
+            final storage = getIt<SecureStorage>();
+            final localAuth = LocalAuthentication();
+
+            final optIn = await showDialog<bool>(
+              context: context,
+              barrierDismissible: false,
+              builder: (ctx) => AlertDialog(
+                title:
+                    Text(AppLocalizations.of(context).enableFingerprintLogin),
+                content:
+                    Text(AppLocalizations.of(context).enableFingerprintMessage),
+                actions: [
+                  TextButton(
+                    onPressed: () => Navigator.of(ctx).pop(false),
+                    child: Text(AppLocalizations.of(context).no),
+                  ),
+                  TextButton(
+                    onPressed: () => Navigator.of(ctx).pop(true),
+                    child: Text(AppLocalizations.of(context).yes),
+                  ),
+                ],
+              ),
+            );
+
+            if (optIn == true) {
+              final canCheck = await localAuth.canCheckBiometrics;
+              bool didAuth = false;
+
+              if (canCheck) {
+                didAuth = await localAuth.authenticate(
+                  localizedReason:
+                      AppLocalizations.of(context).authenticateToEnable,
+                  options: const AuthenticationOptions(
+                    stickyAuth: true,
+                    biometricOnly: true,
+                  ),
+                );
+                await storage.write(
+                    'biometric_enabled', didAuth ? 'true' : 'false');
+              } else {
+                await storage.write('biometric_enabled', 'false');
+              }
+            }
+
+            Navigator.of(context).pushReplacement(
+              MaterialPageRoute(
+                builder: (_) => const NavigationScaffold(),
+              ),
+            );
+          },
+        );
+      }
+    }
+
+    // ✅ Step 3: If not logged in, show login screen
+    return const LoginScreen();
+  }
+}
+
+/*@override
   Widget build(BuildContext context) {
     if (_checking) {
       return const SplashScreen();
@@ -409,7 +529,7 @@ class _AuthGateState extends State<AuthGate> {
     }
     return const LoginScreen();
   }
-}
+}*/
 
 class NavigationScaffold extends StatefulWidget {
   const NavigationScaffold({super.key});