chat.js

const express = require('express');
const http = require('http');
const socketIo = require('socket.io');

// Create an Express application
const app = express();
const server = http.createServer(app);
const io = socketIo(server);

// Serve static files from the "public" directory
app.use(express.static('public'));

// Store usernames associated with socket IDs
const usernames = {};

io.on('connection', (socket) => {
    console.log('A user connected');

    // Handle setting the username
    socket.on('set username', (username) => {
        usernames[socket.id] = username;
    });

    // Listen for chat messages
    socket.on('chat message', (msg) => {
        const username = usernames[socket.id] || 'Non specified name';
        io.emit('chat message', { username, message: msg }); // Broadcast the message with username
    });
     socket.on('keys', (msg) => {
       io.emit('chat message', 'Bot succefully uses apikey!')
       console.log("Someone sent message with a key.");
     });
    // Handle disconnection
    socket.on('disconnect', () => {
        console.log('A user disconnected');
        delete usernames[socket.id]; // Remove username on disconnect
    });
});

// Start the server
const PORT = process.env.PORT || 7860;
server.listen(PORT, () => {
    console.log(`Server is running`);
});