import test from 'node:test';
import assert from 'node:assert/strict';
import { createRealtimeServer } from './realtime-server.mjs';
import WebSocket from 'ws';

test('broadcasts focus events to other connected clients', async () => {
  const server = createRealtimeServer(0);
  await new Promise((resolve) => server.listen(resolve));
  const { port } = server.address();

  try {
    const screen = new WebSocket(`ws://127.0.0.1:${port}`);
    const controller = new WebSocket(`ws://127.0.0.1:${port}`);

    await Promise.all([
      new Promise((resolve) => screen.once('open', resolve)),
      new Promise((resolve) => controller.once('open', resolve)),
    ]);

    const received = new Promise((resolve) => {
      screen.once('message', (data) => resolve(JSON.parse(data)));
    });

    controller.send(JSON.stringify({
      type: 'FOCUS_NAME',
      cloudId: 'demo',
      name: 'Sophia',
      messageId: 'focus-1',
      sentAt: 1,
    }));

    assert.deepEqual(await received, {
      type: 'FOCUS_NAME',
      cloudId: 'demo',
      name: 'Sophia',
      messageId: 'focus-1',
      sentAt: 1,
    });

    screen.close();
    controller.close();
  } finally {
    await new Promise((resolve) => server.close(resolve));
  }
});