const Onfido = require('onfido');

const defaultClient = Onfido.ApiClient.instance;

// Configure API key authorization: Token
const token_auth = defaultClient.authentications['Token'];
token_auth.apiKey = 'token=' + 'YOUR API KEY';
token_auth.apiKeyPrefix = 'Token';

// Limit the at-rest region, if needed (optional, see https://documentation.onfido.com/#regions)
// defaultClient.basePath = Onfido.ApiClient.getBasePathFromSettings(1, {region: 'us'});

const api = new Onfido.DefaultApi();

// Setting applicant details
const applicant = new Onfido.Applicant();
applicant.first_name = 'John';
applicant.last_name = 'Smith';
applicant.dob = new Date('1980-01-22');
applicant.country = 'GBR';

// You can also use getters and setters for properties using camelCase:
// applicant.setFirstName('John');
// applicant.setLastName('Smith');

const address = new Onfido.Address();
address.building_number = '100';
address.street = 'Main Street';
address.town = 'London';
address.postcode = 'SW4 6EH';
address.country = 'GBR';

applicant.addresses = [address];

// Setting check details
const check = new Onfido.Check();
check.type = 'express';
const report = new Onfido.Report();
report.name = 'identity';
check.reports = [report];

// Using promises
api.createApplicant(applicant).then(applicantData => {
  const applicantId = applicantData.id;
  return api.createCheck(applicantId, check);
}).then(checkData => {
  console.log(checkData);
}).catch(error => {
  console.error(error.response.body);
});

// Using async/await
(async () => {
  try {
    const applicantData = await api.createApplicant(applicant);
    const applicantId = applicantData.id;
    const checkData = await api.createCheck(applicantId, check);
    console.log(checkData);
  } catch(error) {
    console.error(error.response.body);
  }
})();

const documentImage = fs.createReadStream('document.png');
api.uploadDocument(applicantId, 'passport', documentImage);