"use strict";
var nodemailer = require('nodemailer');
var cron = require('node-cron');
const moment = require('moment');
moment.locale('it');

var myEmail = 'RECIPIENT EMAIL';
var transporter = nodemailer.createTransport({ service: 'gmail', auth: { user: '[GOOGLE USERNAME (email)]', pass: '[GOOGLE PASSWORD]' } });

// Execute at startup
console.log('Execute at startup');
transporter.sendMail({
  to: myEmail,
  subject: 'AWS EC2 instance started',
  html: `<h3><code>${moment().format('DD/MM/YYYY HH:mm:ss')}</code></h3>`,
}, (err, info) => {
  if (err) return console.log(err);
  console.log('Email sent: ' + info.response + '\n' + info.messageId);
});


// Execute every hour at minute 0
console.log('Execute every hour at minute 0');

cron.schedule('0 * * * *', () => {
  console.log('\n\n' + moment().format('DD/MM/YYYY'));

  var mailOptions = {
    to: myEmail,
    subject: 'AWS EC2 instance is Running',
    html: `<h3>AWS EC2 is still Running -> <code>${moment().format('DD/MM/YYYY HH:mm:ss')}</code></h3>`,
  };

  transporter.sendMail(mailOptions, (err, info) => {
    if (err) console.log(err);
    else console.log('Email sent: ' + info.response + '\n' + info.messageId);
  });

});