var express = require('express')
var bodyParser = require('body-parser')
var request = require('request')
var app = express()
// npm install nodemailer nodemailer-smtp-pool
var nodemailer = require('nodemailer');
var smtpPool = require('nodemailer-smtp-pool');

app.set('port', (process.env.PORT || 3000))

// Process application/x-www-form-urlencoded
app.use(bodyParser.urlencoded({extended: false}))

// Process application/json
app.use(bodyParser.json())

// Index route
app.get('/', function (req, res) {
    res.send('Hello world, I am a send mail')
})
// send email
app.get('/sendmail', function(req, res, next){
	// Create a SMTP transporter object
	var transporter = nodemailer.createTransport(smtpPool({
	    host: 'smtp.gmail.com',
	    port: 465,
	    secure: true,
	    auth: {
	        user: 'username', // change your username here
	        pass: 'password' // change your password here
	    },
	    // use up to 5 parallel connections, default is 5
	    maxConnections: 5,
	    // do not send more than 10 messages per connection, default is 100
	    maxMessages: 10,
	    // no not send more than 5 messages in a second, default is no limit
	    rateLimit: 5
	}));

	console.log('SMTP Configured');

	// Message object
	var message = {

	    // sender info
	    from: 'Sender Name <sumn2u@gmail.com>',

	    // Comma separated list of recipients
	    to: '"Receiver Name" <sumn2u@hotmail.com>',

	    // Subject of the message
	    subject: 'Nodemailer is unicode friendly ✔', //

	    headers: {
	        'X-Laziness-level': 1000
	    },

	    // plaintext body
	    text: 'Hello to myself!',

	    // HTML body
	    html: '<p><b>Hello</b> to myself <img src="cid:note@example.com"/></p>' +
	        '<p>Here\'s a nyan cat for you as an embedded attachment:<br/><img src="cid:nyan@example.com"/></p>',
	};

	console.log('Sending Mail');
	transporter.sendMail(message, function(error, info) {
	    if (error) {
	        console.log('Error occurred');
						res.send(error.message);
	        console.log(error.message);
	        return;
	    }
			res.send({"message sent"});
	    console.log('Message sent successfully!');
	    console.log('Server responded with "%s"', info.response);
	});

});

// Spin up the server
app.listen(app.get('port'), function() {
    console.log('running on port', app.get('port'))
})