uaestats_fe/lib/config/sessionCheckScreen.dart

import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
import 'package:uae_stat/domain/entities/session_entity.dart';
import 'package:uae_stat/infrastructure/data/p_auth_repo.dart';

class AuthRepository {
  final FlutterSecureStorage _secureStorage = const FlutterSecureStorage();

  Future<String?> fetchLocallyStored() async {
    return await _secureStorage.read(key: "FlutterSecureStorage.session");
  }
} 

class SessionCheckScreen extends StatefulWidget {
  const SessionCheckScreen({Key? key}) : super(key: key);

  @override
  _SessionCheckScreenState createState() => _SessionCheckScreenState();
}

class _SessionCheckScreenState extends State<SessionCheckScreen> {
  final PAuthRepo _authRepo = PAuthRepo();
  final String playStoreUrl = "https://play.google.com/store/apps/details?id=ae.gov.fcsc.stats";
  bool _isLoading = true;

  bool _isLoginPath(String path) {
    return path == '/login' || path.startsWith('/login?');
  }

  bool _isForgotPasswordPath(String path) {
    return path.startsWith('/forgot-password/');
  }

  @override
  void initState() {
    super.initState();
    WidgetsBinding.instance.addPostFrameCallback((_) {
      _checkSession();
    });
  }

  Future<void> _checkSession() async {
    final SessionEntity? session =
    await _authRepo.fetchLocallyStored();

    final uri = GoRouter.of(context)
        .routeInformationProvider
        .value
        .uri;

    final intendedPath = uri.queryParameters['intendedPath'];
    final normalizedIntendedPath =
        (intendedPath != null && intendedPath.isNotEmpty)
            ? Uri.decodeComponent(intendedPath)
            : null;

    if (session != null &&
        session.freshness != SessionFreshness.expired) {

      if (normalizedIntendedPath != null && normalizedIntendedPath.isNotEmpty) {
        // Deep link to /login should open home when session is already valid.
        if (_isLoginPath(normalizedIntendedPath)) {
          context.go('/myhomepage');
        } else {
          context.go(normalizedIntendedPath);
        }
      } else {
        context.go('/myhomepage');
      }

    } else {

      if (normalizedIntendedPath != null && normalizedIntendedPath.isNotEmpty) {
        // Forgot password links are public and should open directly.
        if (_isForgotPasswordPath(normalizedIntendedPath)) {
          context.go(normalizedIntendedPath);
        } else {
          context.go('/login?intendedPath=${Uri.encodeComponent(normalizedIntendedPath)}');
        }
      } else {
        context.go('/login');
      }
    }
  }

  @override
  @override
  Widget build(BuildContext context) {
    return _isLoading
        ? SplashScreen() // Show splash while loading
        : SizedBox.shrink();
  }
}

class SplashScreen extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    final isDark = Theme.of(context).brightness == Brightness.dark;
    return Scaffold(
      backgroundColor: isDark ? null : Colors.white,
      body: Container(
        decoration: BoxDecoration(
          color: isDark ? null : Colors.white,
          image: isDark
              ? DecorationImage(
            image: AssetImage(
                'assets/splash_screen/background_splash_dark.png'), // 🔄 Add this background for dark mode
            fit: BoxFit.cover,
          )
              : null,
        ),
        child: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              // 🔄 White or normal logo depending on theme
              Spacer(),
              Image.asset(
                isDark
                    ? 'assets/splash_screen/FCSCLogo_dark.png'
                    : 'assets/splash_screen/FCSCLogo_light.png',
                width: 150,
              ),
              SizedBox(height: 20),
              // Optional: Progress indicator or version
              // CircularProgressIndicator(color: isDark ? Colors.white : Colors.black),
              Spacer(),
              Padding(
                padding: const EdgeInsets.only(bottom: 24.0),
                child: Column(
                  children: [
                    Text(
                      '© حقوق التأليف والنشر',
                      style: TextStyle(
                        color: isDark ? Colors.white70 : Colors.black54,
                        fontSize: 14,
                        fontFamily: 'NotoKufi',
                      ),
                    ),
                  ],
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}



// // import 'package:flutter/material.dart';
// // import 'package:go_router/go_router.dart';
// // import 'package:flutter_secure_storage/flutter_secure_storage.dart';
// // import 'package:uae_stat/infrastructure/data/p_auth_repo.dart';
// // import 'package:url_launcher/url_launcher.dart';
// //
// // class AuthRepository {
// //   final FlutterSecureStorage _secureStorage = const FlutterSecureStorage();
// //
// //   Future<String?> fetchLocallyStored() async {
// //     return await _secureStorage.read(key: "FlutterSecureStorage.session");
// //   }
// // }
// //
// // class SessionCheckScreen extends StatefulWidget {
// //   const SessionCheckScreen({Key? key}) : super(key: key);
// //
// //   @override
// //   _SessionCheckScreenState createState() => _SessionCheckScreenState();
// // }
// //
// // class _SessionCheckScreenState extends State<SessionCheckScreen> {
// //   final PAuthRepo _pAuthRepo = PAuthRepo();
// //   final AuthRepository _authRepo = AuthRepository();
// //   final String playStoreUrl = "https://play.google.com/store/apps/details?id=ae.gov.fcsc.stats";
// //
// //   @override
// //   void initState() {
// //     super.initState();
// //     WidgetsBinding.instance.addPostFrameCallback((_) {
// //       _checkSessionAndHandleLink();
// //     });
// //   }
// //
// //   Future<void> _checkSessionAndHandleLink() async {
// //     try {
// //       final session = await _authRepo.fetchLocallyStored();
// //
// //       // Check if user is not logged in
// //       if (session == null || session.isEmpty) {
// //         _handleUnauthenticatedUser();
// //         return;
// //       }
// //
// //       // User is authenticated, process the shared link
// //       final GoRouterState state = GoRouterState.of(context);
// //       final String? sharedLink = state.uri.toString().isNotEmpty && state.uri.path != '/'
// //           ? state.uri.toString()
// //           : null;
// //
// //       if (sharedLink != null) {
// //         // Validate if the link is a valid app route
// //         final Uri parsedUri = Uri.parse(sharedLink);
// //         final String path = parsedUri.path;
// //
// //         if (mounted) {
// //           GoRouter.of(context).go(path);
// //         }
// //       } else {
// //         // Default route for authenticated users with no specific link
// //         if (mounted) {
// //           GoRouter.of(context).go('/myhomepage');
// //         }
// //       }
// //     } catch (e) {
// //       print("Error processing link: $e");
// //       _handleUnauthenticatedUser();
// //     }
// //   }
// //
// //   void _handleUnauthenticatedUser() {
// //     final GoRouterState state = GoRouterState.of(context);
// //     final String? sharedLink = state.uri.toString().isNotEmpty && state.uri.path != '/'
// //         ? state.uri.toString()
// //         : null;
// //
// //     if (sharedLink != null) {
// //       // Store the intended destination and redirect to login
// //       if (mounted) {
// //         GoRouter.of(context).go('/login', extra: {'redirectTo': sharedLink});
// //       }
// //     } else {
// //       // No specific link, just go to login
// //       if (mounted) {
// //         GoRouter.of(context).go('/login');
// //       }
// //     }
// //   }
// //
// //   Future<void> _redirectToPlayStore() async {
// //     final Uri url = Uri.parse(playStoreUrl);
// //
// //     if (await canLaunchUrl(url)) {
// //       await launchUrl(url, mode: LaunchMode.externalApplication);
// //     }
// //   }
// //
// //   @override
// //   Widget build(BuildContext context) {
// //     return const Scaffold(
// //       body: Center(
// //         child: CircularProgressIndicator(),
// //       ),
// //     );
// //   }
// // }