const test = require('node:test');
const assert = require('node:assert/strict');
const http = require('node:http');
const { createApp } = require('../src/app');

function startServer(app) {
  return new Promise((resolve) => {
    const server = app.listen(0, () => {
      const port = server.address().port;
      resolve({ server, port });
    });
  });
}

test('GET /api/health returns { ok: true }', async () => {
  const app = createApp();
  const { server, port } = await startServer(app);

  try {
    const result = await new Promise((resolve, reject) => {
      http.get(`http://localhost:${port}/api/health`, (res) => {
        let data = '';
        res.on('data', (chunk) => { data += chunk; });
        res.on('end', () => {
          resolve({ status: res.statusCode, body: JSON.parse(data) });
        });
        res.on('error', reject);
      });
    });

    assert.equal(result.status, 200);
    assert.equal(result.body.ok, true);
  } finally {
    server.close();
  }
});