const roi = require('roi');

    const options = {
      'endpoint': 'http://localhost:3000/posts'
    };

    roi.get(options)
    .then(x => {
       console.log(x);
       console.log(x.statusCode);
       console.log(x.headers);
       console.log(x.body);
     })
    .catch(e => console.log(e));

    const options = {
      'endpoint': 'http://localhost:3000/posts'
    };

    const foo = {
      title: 'foo-json',
      author: 'bgold'
    };

    roi.post(options, foo)
    .then(x => console.log(x))
    .catch(e => console.log(e));

    const options = {
      'endpoint': 'http://localhost:3000/posts/2'
    };

    const foo = {
      title: 'foo-json2',
      author: 'bgold'
    };

    roi.put(options, foo)
    .then(x => console.log(x))
    .catch(e => console.log(e));

    const options = {
      'endpoint': 'http://localhost:3000/posts/3'
    };

    roi.del(options)
    .then(x => console.log(x))
    .catch(e => console.log(e));

    const options = {
      'endpoint': 'http://localhost:3000/posts/3'
    };

    roi.exists(options)
    .then(x => console.log(x.statusCode === 200))
    .catch(e => console.log(e));

    const opts = {
      'endpoint': 'http://central.maven.org/maven2/org/jboss/aesh/aesh/0.66.8/aesh-0.66.8.jar'
    };
    roi.download(opts, '/tmp/aesh.jar')
    .then(x => console.log(x))
    .catch(e => console.log(e));

    // Fake server side app will save the file called uploaded.jar :
    const up = (request, response) => {
      request
        .pipe(fs.createWriteStream('/tmp/uploaded.jar'))
        .on('finish', () => {
          response.end(request.headers.filename);
        });
    };
    const server = require('http').createServer(up);
    server.listen(3002, () => {});
    
    // Upload and check if the uploaded file exists:
    const opts = {
      'endpoint': 'http://localhost:3002/'
    };
    roi.upload(opts, '/tmp/aesh.jar')
    .then(x => {
      try {
        fs.statSync('/tmp/uploaded.jar');
      } catch (e) {
        console.error(e);
      }
    });

    // Add the username and password:
    const opts = {
      'endpoint': 'http://localhost:3000/',
      'username': 'admin',
      'password': 'admin'
    };
    roi.get(opts)
    .then(x => console.log(x))
    .catch(e => console.log(e));