added things

pages/_app.js

@@ -1,8 +1,15 @@
 import '../styles/globals.css'
-
+import Navbar from '../components/Navbar';
+import { Toaster } from 'react-hot-toast';
 
 function MyApp({ Component, pageProps }) {
-  return <Component {...pageProps} />
+  return (
+    <>
+      <Navbar />
+      <Component {...pageProps} />
+      <Toaster />
+    </>
+  );
 }
 
 export default MyApp

pages/enter.js

@@ -1,7 +1,41 @@
+import { auth, googleAuthProvider } from '../lib/firebase';
+
+
 export default function EnterPage({ }) {
+    const user = null
+    const username = null;
+
+    // 1. user signed out <SignInButton />
+    // 2. user signed in, but missing username <UsernameForm />
+    // 3. user signed in, has username <SignOutButton />
     return (
         <main>
-            <h1>Sign Up</h1>
+            {user ?
+                !username ? <UsernameForm /> : <SignOutButton />
+                :
+                <SignInButton />
+        }
         </main>
     )
+}
+
+// Sign in with Google button
+function SignInButton() {
+    const signInWithGoogle = async () => {
+        await auth.signInWithPopup(googleAuthProvider);
+      };
+
+    return (
+        <button className="btn-google" onClick={signInWithGoogle}>
+            <img src={'/google.png'} /> Sign in with Google
+        </button>
+    );
+}
+
+function SignOutButton() {
+    return <button onClick={() => auth.signOut()}>Sign Out</button>
+}
+
+function UsernameForm() {
+
 }

pages/index.js

@@ -1,11 +1,18 @@
-import Head from 'next/head'
-import Image from 'next/image'
-import styles from '../styles/Home.module.css'
+import Head from 'next/head';
+import Image from 'next/image';
+import styles from '../styles/Home.module.css';
+
+import Loader from '../components/Loader';
+import toast from 'react-hot-toast';
 
 export default function Home() {
   return (
     <div>
       <h1>Hello world!</h1>
+      <Loader show />
+      <button onClick={() => toast.success('hello toast!')}>
+        Click for Toast!
+      </button>
     </div>
   )
 }