var nodemailer = require('nodemailer');

var transporter = nodemailer.createTransport({
    service: 'gmail',
    auth: {
        user: process.env.GMAIL_USERNAME,
        pass: process.env.GMAIL_PASSWORD
    }
});

var sendMail = function(user, successCb, errorCb) {
    var emailText = '<h1>Hello World!</h1>';

    var mailOptions = {
        from: 'process.env.GMAIL_USERNAME',
        to: user.email,
        subject: 'Aktiviraj racun',
        html: emailText
    };

    transporter.sendMail(mailOptions, function(error, info) {
        if (error) {
            errorCb();
        } else {
            successCb();
        }
    });
};