// Simple HTTP client to broadcast a neopattern color change to the cluster
// Usage: node cluster-broadcast-color.js 10.0.1.53

const http = require('http');

const host = process.argv[2] || '127.0.0.1';
const port = 80;

const colors = ['#FF0000', '#00FF00', '#0000FF', '#FFFF00', '#FF00FF', '#00FFFF'];
let idx = 0;

function postClusterEvent(event, payloadObj) {
  const payload = encodeURIComponent(JSON.stringify(payloadObj));
  const body = `event=${encodeURIComponent(event)}&payload=${payload}`;

  const options = {
    host,
    port,
    path: '/api/cluster/event',
    method: 'POST',
    headers: {
      'Content-Type': 'application/x-www-form-urlencoded',
      'Content-Length': Buffer.byteLength(body)
    }
  };

  const req = http.request(options, (res) => {
    let data = '';
    res.on('data', (chunk) => (data += chunk));
    res.on('end', () => {
      console.log('Response:', res.statusCode, data);
    });
  });

  req.on('error', (err) => {
    console.error('Request error:', err.message);
  });

  req.write(body);
  req.end();
}

console.log(`Broadcasting color changes to http://${host}/api/cluster/event ...`);
setInterval(() => {
  const color = colors[idx % colors.length];
  idx++;
  const payload = { color, brightness: 80 };
  console.log('Broadcasting color:', payload);
  postClusterEvent('api/neopattern/color', payload);
}, 5000);