Autologin implemented

lib/pages/splash_page.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:maggs_victory_voyage/services/db_helper.dart';
 
 import 'login_page.dart';
 
@@ -10,8 +11,38 @@ class SplashPage extends StatefulWidget {
 }
 
 class _SplashPageState extends State<SplashPage> {
+  late final Future<bool> loginFuture;
+
+  @override
+  void initState() {
+    super.initState();
+    loginFuture = DbHelper.autoLogin();
+    DbHelper.authEventStream.listen((event) => setState(() {}));
+  }
+
   @override
   Widget build(BuildContext context) {
-    return const LoginPage();
+    return Scaffold(
+      body: FutureBuilder(
+        future: loginFuture,
+        builder: (context, snapshot) {
+          if (snapshot.hasData) {
+            if (DbHelper.currentUser == null) {
+              return const LoginPage();
+            }
+            return const Column(
+              children: [
+                Text('Logged in!'),
+                TextButton(
+                  onPressed: DbHelper.logout,
+                  child: Text('Log out'),
+                ),
+              ],
+            );
+          }
+          return const Center(child: CircularProgressIndicator());
+        },
+      ),
+    );
   }
 }