index.js

import express from 'express';
import cors from 'cors';
import mongoose from 'mongoose';
import session from 'express-session';
import MongoStore from 'connect-mongo';
import dotenv from 'dotenv';

const app = express();
const PORT = 3001;

// Middleware
app.use(cors({
  origin: true,
  credentials: true
}));
app.use(express.json());

// MongoDB Connection
mongoose.connect('mongodb+srv://your_mongodb_uri', {
  useNewUrlParser: true,
  useUnifiedTopology: true
});

// Session Configuration
app.use(session({
  secret: 'your_secret_key',
  resave: false,
  saveUninitialized: false,
  store: MongoStore.create({
    mongoUrl: 'mongodb+srv://your_mongodb_uri'
  }),
  cookie: {
    maxAge: 1000 * 60 * 60 * 24 // 24 hours
  }
}));

// Comments Schema
const commentSchema = new mongoose.Schema({
  name: String,
  text: String,
  song: Object,
  timestamp: { type: Date, default: Date.now }
});

const Comment = mongoose.model('Comment', commentSchema);

// Routes
app.get('/api/comments', async (req, res) => {
  try {
    const comments = await Comment.find().sort({ timestamp: -1 });
    res.json(comments);
  } catch (error) {
    res.status(500).json({ error: 'Error fetching comments' });
  }
});

app.post('/api/comments', async (req, res) => {
  try {
    const comment = new Comment(req.body);
    await comment.save();
    res.json(comment);
  } catch (error) {
    res.status(500).json({ error: 'Error saving comment' });
  }
});

app.listen(PORT, '0.0.0.0', () => {
  console.log(`Server running on port ${PORT}`);
});