server.js

const http = require('http');
const httpProxy = require('http-proxy');

// Replace with your actual Kharej server address
const TARGET = 'http://172.86.93.204.sslip.io:8080'; 

const proxy = httpProxy.createProxyServer({
  target: TARGET,
  ws: true,
  changeOrigin: true
});

proxy.on('error', function(e) {
  console.log('Proxy error:', e);
});

const server = http.createServer((req, res) => {
  res.writeHead(200, { 'Content-Type': 'text/plain' });
  res.end('AI chatbot is running!');
});

server.on('upgrade', (req, socket, head) => {
  proxy.ws(req, socket, head);
});

// Huggingface Spaces explicitly exposes port 7860 to the outside world
server.listen(7860, () => {
  console.log('Proxy running on port 7860');
});