const vstsAuth = require('better-vsts-npm-auth');
const input = require('input');

vstsAuth.run()
  .then(() => console.log('woohoo! No more annoying 401s'))
  .catch(e => {
      // we can catch AuthorizationError and prompt our users to
      // authorize the Stateless VSTS NPM OAuth application
      // (or your own application, if you specify an alternate
      // clientId in your config, which you're welcome to do)
      if (vstsAuth.isAuthorizationError(e)){
          // fail if we're running in a lab
          if (process.env['BUILD_BUILDID'] || process.env['RELEASE_RELEASEID']){
              return Promise.reject(e);
          }

          // wait for user input if we're running on a dev box
          // note - I like the input package, but feel free to get your user
          // input however you'd like
          return input.text('paste your refresh_token:').
            then(token => {
                vstsAuth.setRefreshToken(token);

                // not necessary, but nifty if you want to create a
                // seamless local dev startup experience by re-running
                return vstsAuth.run();
            })
      }});