Update app.js

app.js

@@ -67,6 +67,7 @@ app.use(session({
     }
 }));
 
+// POST login route
 app.post('/api/login', async (req, res) => {
     const { email, password } = req.body;
     try {
@@ -86,20 +87,20 @@ app.post('/api/login', async (req, res) => {
 
         // Session handling
         req.session.user = user;  // Save user to session
-        res.status(200).send('Login successful');
+        res.status(200).send({ message: 'Login successful' });
     } catch (error) {
         logger.error('Login error:', error);
-        
-        // If the error is a string and not a JSON response, send as plain text
+
+        // Send generic error message if unexpected token error occurs
         if (error.message && error.message.startsWith('Unexpected token')) {
-            res.status(500).send(error.message);  // Handle unexpected response format
+            return res.status(500).send('Internal server error: invalid response format');
         } else {
-            res.status(500).send('Internal server error');
+            return res.status(500).send('Internal server error');
         }
     }
 });
 
-// Register route for user creation with bcrypt hashing (assuming you're registering users)
+// Register route for user creation with bcrypt hashing
 app.post('/api/register', async (req, res) => {
     const { email, password } = req.body;
     try {
@@ -107,14 +108,14 @@ app.post('/api/register', async (req, res) => {
         const newUser = new User({ email, password: hashedPassword });
 
         await newUser.save();
-        res.status(201).send('User registered successfully');
+        res.status(201).send({ message: 'User registered successfully' });
     } catch (error) {
         logger.error('Registration error:', error);
         res.status(500).send('Internal server error');
     }
 });
 
-// Hugging Face API Example Function
+// Hugging Face API Example Function (to demonstrate API interaction)
 async function fetchHuggingFaceData(apiUrl) {
     try {
         const response = await fetch(apiUrl);