Add Sign in with Apple sorta

app/_layout.tsx

@@ -3,19 +3,36 @@ import { useFonts } from 'expo-font';
 import { Stack } from 'expo-router';
 import * as SplashScreen from 'expo-splash-screen';
 import { StatusBar } from 'expo-status-bar';
-import { useEffect } from 'react';
+import { useEffect, useState } from 'react';
 import 'react-native-reanimated';
+import { ThemedView } from '@/components/theme';
+import { Session } from '@supabase/supabase-js';
 import { useColorScheme } from '@/hooks/useColorScheme';
+import { supabase } from '@/lib/supabase';
+import LoginPage from '@/components/auth/Login';
+import Account from '@/components/Account';
 
 // Prevent the splash screen from auto-hiding before asset loading is complete.
 SplashScreen.preventAutoHideAsync();
 
 const RootLayout = () => {
   const scheme = useColorScheme() ?? 'dark';
+  const [session, setSession] = useState<Session | null>(null);
+
   const [loaded] = useFonts({
     SpaceMono: require('../assets/fonts/SpaceMono-Regular.ttf'),
   });
 
+  useEffect(() => {
+    supabase.auth.getSession().then(({ data: { session } }) => {
+      setSession(session);
+    });
+
+    supabase.auth.onAuthStateChange((_event, session) => {
+      setSession(session);
+    });
+  }, []);
+
   useEffect(() => {
     if (loaded) {
       SplashScreen.hideAsync();
@@ -28,12 +45,19 @@ const RootLayout = () => {
 
   return (
     <ThemeProvider value={scheme === 'dark' ? DarkTheme : DefaultTheme}>
-      <Stack>
-        <Stack.Screen name='(tabs)' options={{ headerShown: false }} />
-        <Stack.Screen name='+not-found' />
-      </Stack>
+      {session && session.user ? (
+        <Stack>
+          <Stack.Screen name='(tabs)' options={{ headerShown: false }} />
+          <Stack.Screen name='+not-found' />
+        </Stack>
+      ) : (
+        <ThemedView style={{ flex: 1 }}>
+          <LoginPage />
+        </ThemedView>
+      )}
       <StatusBar style='auto' />
     </ThemeProvider>
   );
 };
+
 export default RootLayout;