From e2b7ed02f12ef53c65e7b00cd6cec2a8f7732a44 Mon Sep 17 00:00:00 2001
From: Luke Knoble <35696371+Desync-o-tron@users.noreply.github.com>
Date: Sat, 21 Sep 2024 13:11:49 -0400
Subject: [PATCH] sign in flow++

---
 lib/community/profile_page.dart |  4 +++-
 lib/main.dart                   |  8 ++++++++
 lib/navigation/routes.dart      | 24 +++++++++++++++++++++---
 3 files changed, 32 insertions(+), 4 deletions(-)

diff --git a/lib/community/profile_page.dart b/lib/community/profile_page.dart
index 3fd0520..106ceee 100644
--- a/lib/community/profile_page.dart
+++ b/lib/community/profile_page.dart
@@ -76,6 +76,8 @@ class SignInScreenWrapper extends StatelessWidget {
   Widget build(BuildContext context) {
     return SignInScreen(
       providers: providers,
+      //I double check auth in routes.dart now, but...synergy.
+      // I'm too dumb to get it to work only there. that's fine I think
       actions: [
         AuthStateChangeAction((context, state) {
           final user = switch (state) {
@@ -109,7 +111,7 @@ class EmailVerificationScreenWrapper extends StatelessWidget {
           context.go(routeNames.Profile.text);
         }),
         AuthCancelledAction((context) {
-          context.pop();
+          context.go(routeNames.Profile.text);
         }),
       ],
     );
diff --git a/lib/main.dart b/lib/main.dart
index 0ed5b22..83abc35 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,4 +1,5 @@
 import 'dart:async';
+import 'package:firebase_auth/firebase_auth.dart';
 import 'package:firebase_core/firebase_core.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
@@ -31,9 +32,16 @@ Future<void> main() async {
   );
   HydratedBloc.storage = hydratedStorage;
 
+  //https://stackoverflow.com/a/77448906/3894291
+  FirebaseAuth.instance.authStateChanges().listen((User? user) {
+    routerConfig.refresh();
+  });
+
   runApp(const MyApp());
 }
 
+//TODO replace the banner on the bottom when not signed in to make the place more welcoming!
+
 Timer? trainingDurationTimer;
 
 class MyApp extends StatelessWidget {
diff --git a/lib/navigation/routes.dart b/lib/navigation/routes.dart
index ec7b3d2..48ab332 100644
--- a/lib/navigation/routes.dart
+++ b/lib/navigation/routes.dart
@@ -1,8 +1,8 @@
 // ignore_for_file: constant_identifier_names, camel_case_types
+import 'package:firebase_auth/firebase_auth.dart';
+import 'package:firebase_ui_auth/firebase_ui_auth.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flutter/material.dart';
-// import 'package:firebase_auth/firebase_auth.dart' hide EmailAuthProvider, AuthProvider;
-// import 'package:firebase_ui_auth/firebase_ui_auth.dart';
-// import 'package:firebase_ui_oauth_google/firebase_ui_oauth_google.dart';
 import 'package:flutter/widgets.dart';
 import 'package:go_router/go_router.dart';
 import 'package:open_fitness_tracker/community/community_page.dart';
@@ -94,4 +94,22 @@ final GoRouter routerConfig = GoRouter(
       ],
     ),
   ],
+  //todo is this slow?
+  // redirect to the login page if the user is not logged in
+  redirect: (BuildContext context, GoRouterState state) async {
+    final bool loggedIn = FirebaseAuth.instance.currentUser != null;
+    if (!loggedIn) {
+      return routeNames.SignIn.text;
+    } else if (!FirebaseAuth.instance.currentUser!.emailVerified) {
+      if (state.matchedLocation == routeNames.SignIn.text ||
+          state.matchedLocation == routeNames.Profile.text ||
+          state.matchedLocation == routeNames.VerifyEmail.text) {
+        return null;
+      } else {
+        return routeNames.Profile.text;
+      }
+    }
+    // otherwise no need to redirect at all
+    return null;
+  },
 );