const http = require('http');

let requestCount = 0;

const server = http.createServer((req, res) => {
  res.setHeader('Content-Type', 'application/json');

  // Secrets are injected by the host as X-Plugin-Secret-* headers
  const apiKey = req.headers['x-plugin-secret-apikey'];

  if (req.method === 'GET' && req.url === '/hello') {
    requestCount++;
    res.end(JSON.stringify({
      message: 'Hello from the plugin server!',
      requestCount,
      hasApiKey: Boolean(apiKey),
      timestamp: new Date().toISOString(),
    }));
    return;
  }

  if (req.method === 'POST' && req.url === '/echo') {
    let body = '';
    req.on('data', (chunk) => { body += chunk; });
    req.on('end', () => {
      let parsed;
      try { parsed = JSON.parse(body); } catch { parsed = body; }
      res.end(JSON.stringify({ echo: parsed }));
    });
    return;
  }

  res.writeHead(404);
  res.end(JSON.stringify({ error: 'Not found' }));
});

// Listen on a random available port
server.listen(0, '127.0.0.1', () => {
  const { port } = server.address();
  // Signal readiness to the host — this JSON line is required
  console.log(JSON.stringify({ ready: true, port }));
});