AI, API, Profile Page Update

package.json

@@ -10,6 +10,7 @@
   },
   "dependencies": {
     "@auth0/nextjs-auth0": "^4.4.2",
+    "@google/genai": "^0.8.0",
     "@tailwindcss/vite": "^4.1.3",
     "lucide-react": "^0.487.0",
     "mongoose": "^8.13.2",

src/app/(app)/profile/page.tsx

@@ -1,64 +1,34 @@
 "use client";
 
-// const useDevice = () => ({
+import React from "react";
-//   isAuthenticated: true,
-//   session: { username: "demo_user" },
-// });
-
 import { useDevice } from "@/lib/context/DeviceContext";
-import React, { useEffect, useState } from "react";
+import { useRouter } from "next/navigation";
 
 export default function ProfilePage() {
 	const { isAuthenticated, session } = useDevice();
-	const [bio, setBio] = useState("");
-	const [saved, setSaved] = useState(false);
-
-	const [selectedFile, setSelectedFile] = useState<File | null>(null);
-	const [previewUrl, setPreviewUrl] = useState<string | null>(null);
-	const [uploadMessage, setUploadMessage] = useState<string>("");
-
-	useEffect(() => {
-		if (isAuthenticated && session?.username) {
-			fetch(`/api/user/${session.username}`)
-				.then((res) => res.json())
-				.then((data) => {
-					if (data.bio) setBio(data.bio);
-				});
-		}
-	}, [isAuthenticated, session?.username]);
-
-	const handleBioSubmit = async (e: React.FormEvent) => {
-		e.preventDefault();
-		const res = await fetch(`/api/user/${session.username}/bio`, {
-			method: "PATCH",
-			headers: { "Content-Type": "application/json" },
-			body: JSON.stringify({ bio }),
-		});
-		if (res.ok) setSaved(true);
-	};
 
 	return (
 		<div className="px-6 py-10 max-w-full lg:max-w-1/2 mx-auto font-sans text-neutral-100">
 			<div className="bg-[color:var(--color-surface-600)]/70 backdrop-blur-md rounded-xl px-6 py-5 my-6 shadow-sm">
-				<h1 className="text-3xl sm:text-4xl font-bold tracking-[-.01em] text-center sm:text-left">
+				<h1 className="text-2xl sm:text-3xl font-bold tracking-[-.01em] text-center sm:text-left">
-					Hi, {isAuthenticated ? session.username : ""}!!
+					Hi, {session?.username || ""}!!
 				</h1>
 
 				<div className="flex flex-col items-center mt-6">
-					{previewUrl ? (
+					{isAuthenticated && (
 						<img
-							src={previewUrl}
+							src={"/p" + session?.avatar + ".png"}
 							alt="Profile Preview"
-							className="w-32 h-32 rounded-full object-cover border border-gray-300"
+							className="w-42 h-42 rounded-full object-cover bg-surface-700"
 						/>
-					) : (
-						<div className="w-32 h-32 rounded-full bg-neutral-800 border border-gray-300" />
 					)}
-					{uploadMessage && <p className="text-sm text-gray-400 mt-2">{uploadMessage}</p>}
+					{/* {uploadMessage && (
+						<p className="text-sm text-gray-400 mt-2">{uploadMessage}</p>
+					)} */}
 				</div>
 			</div>
 
-			<p className="mb-6">{bio || "No bio yet..."}</p>
+			{/* <p className="mb-6">{bio || "No bio yet..."}</p>
 
 			<form onSubmit={handleBioSubmit} className="mb-6 space-y-2">
 				<textarea
@@ -75,7 +45,7 @@ export default function ProfilePage() {
 					Save Bio
 				</button>
 				{saved && <p className="text-green-400 text-sm">Bio saved!</p>}
-			</form>
+			</form> */}
 
 			{/* Friends */}
 			<div className="bg-[color:var(--color-surface-600)] rounded-xl px-6 py-5 my-6 shadow-md">
@@ -96,7 +66,7 @@ export default function ProfilePage() {
 			{/* Daily Stats */}
 			<div className="bg-[color:var(--color-surface-600)]/70 backdrop-blur-md rounded-xl px-6 py-5 my-6 shadow-sm">
 				<h2 className="text-xl font-semibold text-[color:var(--color-warning-300)] mt-0 mb-2">
-					 --------------------Daily Stats---------------------
+					--------------------Daily Stats---------------------
 				</h2>
 				<ul className="list-disc pl-5 text-neutral-200 space-y-1">
 					<li>Points Logged: [ dailyPoints variable ]</li>
@@ -104,8 +74,8 @@ export default function ProfilePage() {
 					<li>Sugar Logged (g): [ daily sugar variable ]</li>
 				</ul>
 				<p className="font-semibold italic text-[color:var(--color-success-300)] mt-1">
-                    Don't forget you have a 400mg caffeine limit and 30.5g sugar limit!
+					Don't forget you have a 400mg caffeine limit and 30.5g sugar limit!
-                </p>
+				</p>
 			</div>
 
 			<div className="h-6" />

src/app/api/index.js

@@ -1,13 +0,0 @@
-import { db } from "../../lib/scripts/db";
-
-export default function handler(req, res) {
-	if (req.method === 'GET') {
-
-		// Handle GET request
-		res.status(200).json({ message: 'Hello, this is a GET request!' });
-	} else {
-		// Handle unsupported methods
-		res.setHeader('Allow', ['GET']);
-		res.status(405).end(`Method ${req.method} Not Allowed`);
-	}
-}

src/app/api/post/[id]/route.ts

@@ -0,0 +1,36 @@
+import { NextResponse } from "next/server";
+import { auth0 } from "../../../../lib/scripts/auth0";
+import { db } from "@/lib/scripts/db";
+
+async function authenticateUser() {
+    const session = await auth0.getSession();
+
+    if (!session) {
+        return NextResponse.json({ message: "No session found" }, { status: 401 });
+    }
+
+    const sessionUser = session.user;
+    let userData = await db.users.findByEmail(sessionUser.email as string);
+    if (!userData) return NextResponse.json({ message: "User not found" }, { status: 404 });
+
+    return userData != null;
+}
+
+export async function GET(req: Request, { params }: any) {
+    try {
+        if (!(await authenticateUser())) return;
+
+        const { id } = await params;
+
+        const post = await db.posts.getById(id);
+
+        if (!post) {
+            return NextResponse.json({ message: "Post not found" }, { status: 404 });
+        }
+
+        return NextResponse.json({ post }, { status: 200 });
+    } catch (error) {
+        console.error("Error finding post by ID:", error);
+        return NextResponse.json({ message: "Internal server error" }, { status: 500 });
+    }
+}

src/app/api/post/route.ts

@@ -0,0 +1,55 @@
+import { NextResponse } from "next/server";
+import { auth0 } from "@/lib/scripts/auth0";
+import { db } from "@/lib/scripts/db";
+
+import { gemini } from "@/lib/scripts/gemini";
+
+async function authenticateUser() {
+	const session = await auth0.getSession();
+
+	if (!session) {
+		return NextResponse.json({ message: "No session found" }, { status: 401 });
+	}
+
+	const sessionUser = session.user;
+	let userData = await db.users.findByEmail(sessionUser.email as string);
+	if (!userData)
+		return NextResponse.json({ message: "User not found" }, { status: 404 });
+
+	return userData;
+}
+
+export async function POST(req: Request) {
+	try {
+		// if (!(await authenticateUser())) return;
+
+		const formData = await req.formData();
+		const file = formData.get("image");
+
+		if (!file || !(file instanceof Blob)) {
+			return NextResponse.json(
+				{ message: "No image file provided" },
+				{ status: 400 }
+			);
+		}
+
+		const arrayBuffer = await file.arrayBuffer();
+		const buffer = Buffer.from(arrayBuffer);
+
+		const prompt = `Generate a 1-3 sentence description for this image.`;
+
+		const data = await gemini.generateDescription(prompt, buffer);
+		let postData = await db.posts.create("6gi1f", data?.description);
+
+		return NextResponse.json(
+			{ message: "Image uploaded successfully", postData },
+			{ status: 200 }
+		);
+	} catch (error) {
+		console.error("Error handling image upload:", error);
+		return NextResponse.json(
+			{ message: "Internal server error" },
+			{ status: 500 }
+		);
+	}
+}

src/app/api/user/[id]/route.ts

@@ -0,0 +1,36 @@
+import { NextResponse } from "next/server";
+import { auth0 } from "../../../../lib/scripts/auth0";
+import { db } from "@/lib/scripts/db";
+
+async function authenticateUser() {
+    const session = await auth0.getSession();
+
+    if (!session) {
+        return NextResponse.json({ message: "No session found" }, { status: 401 });
+    }
+
+    const sessionUser = session.user;
+    let userData = await db.users.findByEmail(sessionUser.email as string);
+    if (!userData) return NextResponse.json({ message: "User not found" }, { status: 404 });
+
+    return userData != null;
+}
+
+export async function GET(req: Request, { params }: any) {
+    try {
+        if (!(await authenticateUser())) return;
+
+        const { id } = params;
+
+        const user = await db.users.findById(id);
+
+        if (!user) {
+            return NextResponse.json({ message: "User not found" }, { status: 404 });
+        }
+
+        return NextResponse.json({ user }, { status: 200 });
+    } catch (error) {
+        console.error("Error finding user by ID:", error);
+        return NextResponse.json({ message: "Internal server error" }, { status: 500 });
+    }
+}

src/lib/components/MobileNav.jsx

@@ -5,14 +5,12 @@ import { Navigation } from "@skeletonlabs/skeleton-react";
 import {
     Home as IconHome,
     BookText as BookImage,
-    Coins as CoinsImage,
     User as UserImage,
 } from "lucide-react";
 
 import { useDevice } from "@/lib/context/DeviceContext";
 
 const MobileNav = () => {
-
     const { isAuthenticated } = useDevice();
 
     return (

src/lib/scripts/User.ts

@@ -9,7 +9,8 @@ const userSchema = new mongoose.Schema({
 	id: reqString,
 	email: reqString,
 	username: reqString,
-    avatar: String,
+    bio: String,
+    avatar: Number,
 	points: Number,
 	inventory: Array,
 	friends: Array<String>,
@@ -39,11 +40,15 @@ export class User {
 		username: string
 	) {
         const id = this.makeId(5);
+
+        // random number from 1 to 5
+        const randomNumber = Math.floor(Math.random() * 5) + 1;
+
 		const newEntry = new this.model({
             id: id,
 			email: email,
 			username: username,
-            avatar: null,
+            avatar: randomNumber,
             points: 0,
             inventory: [],
             friends: [],

src/lib/scripts/gemini.ts

@@ -0,0 +1,71 @@
+import { GoogleGenAI, Type } from "@google/genai";
+
+class Gemini {
+	ai: GoogleGenAI | null;
+
+	constructor() {
+		this.ai = null;
+		this.connect();
+	}
+
+	connect() {
+		this.ai = new GoogleGenAI({ apiKey: process.env.GEMINI_API_KEY });
+	}
+
+	fileToGenerativePart(buffer: Buffer) {
+		return {
+			mimeType: "image/png",
+			data: buffer.toString("base64"),
+		};
+	}
+
+	async generateDescription(
+		prompt: string,
+		imageBuffer: Buffer
+	): Promise<any>  {
+		try {
+			const imagePart = {
+				inlineData: {
+					mimeType: "image/jpeg",
+					data: imageBuffer.toString("base64"),
+				},
+			};
+
+			const result = await this.ai?.models.generateContent({
+				model: "gemini-2.0-flash", 
+				contents: [
+					{
+						parts: [
+							{
+								text: prompt,
+							},
+							imagePart,
+						],
+					},
+				],
+				config: {
+					responseMimeType: "application/json",
+					responseSchema: {
+						type: Type.OBJECT,
+						properties: {
+							description: {
+								type: Type.STRING,
+								description: "A concise description of the image.",
+								nullable: false,
+							},
+						},
+						required: ["description"],
+					},
+				},
+			}) as any;
+
+			if(!result) return null;
+			else return JSON.parse(result.candidates[0].content.parts[0].text);
+		} catch (error) {
+			console.error("Error in generateDescription:", error);
+			throw new Error("Failed to generate image description");
+		}
+	}
+}
+
+export const gemini = new Gemini();