import 'package:flutter/material.dart';
import 'package:get_storage/get_storage.dart';
import 'package:inventory_app/views/splash_screen.dart';
import 'package:inventory_app/my_app.dart';
import 'package:inventory_app/views/login_view.dart';
import 'package:inventory_app/service/axelor_client.dart';

class Auth extends StatelessWidget {
  const Auth({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    final box = GetStorage();
    String? sessionId = box.read('sessionId');

    if (sessionId == null) {
      return const LoginView();
    }

    // Session exists on disk — validate it with the server before granting access
    return FutureBuilder<bool>(
      future: AxelorClient.create().then((client) => client.isSessionValid()),
      builder: (context, snapshot) {
        if (snapshot.connectionState == ConnectionState.waiting) {
          return const SplashScreen();
        } else if (snapshot.hasError || !(snapshot.data ?? false)) {
          // Session is expired or invalid — clear it and force re-login
          box.remove('sessionId');
          box.remove('username');
          return const LoginView();
        } else {
          return MyApp();
        }
      },
    );
  }
}