import { expect, tap } from '@git.zone/tstest/tapbundle';
import * as isotransport from '../ts/index.js';

tap.test('should exchange messages over a WebSocket transport', async () => {
  const port = 32000 + Math.floor(Math.random() * 10000);
  const server = new isotransport.IsotransportServer({ port, host: '127.0.0.1' });

  const serverMessagePromise = new Promise<isotransport.TIsotransportMessage>((resolve) => {
    server.on('connection', (connectionArg) => {
      connectionArg.on('message', (messageArg) => {
        resolve(messageArg);
        connectionArg.send('pong');
      });
    });
  });

  await server.listen();

  const client = new isotransport.IsotransportClient({
    url: `ws://127.0.0.1:${port}`,
  });
  try {
    const clientMessagePromise = new Promise<isotransport.TIsotransportMessage>((resolve) => {
      client.on('message', resolve);
    });

    await client.connect();
    client.send('ping');

    expect(await serverMessagePromise).toEqual('ping');
    expect(await clientMessagePromise).toEqual('pong');
  } finally {
    client.close();
    await server.close();
  }
});

export default tap.start();