import gs from 'fast-gs';
import axios from 'axios';

// Needed to throttle data coming in from Google spreadsheets
const RateLimiter = require('limiter').RateLimiter;
const limiter = new RateLimiter(50, 'second');

// Access details for worksheet
const googleKey = '';
const googleSheetId = ;

// Gets data from Google spreadsheets in JSON format
function getDataFromGoogleSpreadsheet(cb) {
  gs.toObject(googleKey, googleSheetId, (err, data) => {
    if (err) { cb(err); return; }
    cb(null, data);
  });
}

function importData(data) {
  axios({
    url: '', // endpoint for posting data
    method: 'post',
    data: { testA: data.key, testB: data.key }, // Example post data
  })
  .then((res) => {
    // Validate if successful
  })
  .catch((er) => {
    // Check for error
  });
}

// Running script
getDataFromGoogleSpreadsheet((err, result) => {
  if (err) { console.error('Unable to retrieve data from google spreadsheet: ' + err)); return; }
  result.forEach((data) => {
    limiter.removeTokens(1, (errd, throttling) => {
      importData(data);
    })
    .catch((er) => {
      // Error logs
    });
  });
});