const https = require('https');

 exports.handler = async (event, context) => {
  return new Promise((resolve, reject) => {
    const options = {
      hostname: 'api.travis-ci.org',
      path: `/repo/${process.env.TRAVIS_CLIENT_NAME}%2F${process.env.TRAVIS_REPO_NAME}/requests`,
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'Accept': 'application/json',
        'Travis-API-Version': 3,
        'Authorization': `token ${process.env.TRAVIS_API_KEY}`
      }
    };

    const post_data = JSON.stringify({
      request: {
        branch: "master"
      }
    });

    const req = https.request(options, (res) => {
      resolve('Success');
    });

    req.on('error', (e) => {
      reject(e.message);
    });

    // send the request
    req.write(post_data);
    req.end();
  });
};