#! /usr/bin/env node

const config = require('./config.json');
const dash_button = require('node-dash-button');
const nodemailer = require('nodemailer');

// TODO: accept and register an array of button MACs
const dash = dash_button(config.button.id);
const util = require('util');
const _ = require('lodash');
const when = require('when');

// create reusable transporter object using the default SMTP transport
let transporter = nodemailer.createTransport({
    service: 'gmail',
    auth: {
        user: config.gmail.user,
        pass: config.gmail.pass
    }
});

// setup email data with unicode symbols
let mailOptions = {
    from: config.message.from, // sender address
    to: config.message.to.toString(), // list of receivers
    subject: config.message.subject, // Subject line
    text: new Date().toISOString().
  replace(/T/, ' ').      // replace T with a space
  replace(/\..+/, '')     // delete the dot and everything after
};

console.log('waiting for dash button to be pressed...');
dash.on('detected', () => {
  console.log('Dash button detected!');
  transporter.sendMail(mailOptions, (error, info) => {
    if (error) {
        return console.log(error);
    }
    console.log('Message %s sent: %s', info.messageId, info.response);
  });
  // for now we can ignore the promise as it handles any logging and we've no need to care about when it resolves or rejects
});