// Define JSON File
var fs = require("fs");
var nodemailer = require('nodemailer');
var sleep = require('system-sleep');
let transporter = nodemailer.createTransport({
  host: "smtp.zoho.com",
  port: 465,
  secure: true, // true for 465, false for other ports
  auth: {
    user: "emsi@aski.me", // generated ethereal user
    pass: "wcbdbvQaGqiH" // generated ethereal password
  }
});
date = new Date(Date.now());
timeString = date.getHours() + "-" + date.getMinutes() + "-" + date.getSeconds();
fileName = "logs\\log " + timeString.toString() + ".txt";

fs.writeFile(fileName, '\r\n', function (err) {
  if (err) throw err;
  console.log('It\'s saved!');
}); // => message.txt erased, contains only 'Hello Node'

async function send(name, email, phone) {



  let mailOptions = {
    from: '"Délégué 5IIR EMSI" <emsi@aski.me>', // sender address
    to: email, // list of receivers
    subject: "[EMSI] ✔ Confirmation d'email et Numéro de téléphone", // Subject line
    html: "Bonjour " + name + ",<br><br>Veuillez confirmer que ces informations sont correctes: <br><br>" +
      "E-mail:&nbsp;&nbsp;&nbsp;<b>" + email + "</b><br>Tél:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>" + phone +
      "</b><br><br>Merci de confirmer par une réponse à ce mail le plus tot possible." +
      "<br><br>Cordialement.<br><br><br><br> ------- " +
      "<br><br>- Cet email est envoyé par le délégué du 5 IIR G1 EMSI Centre" // html body
  };

  // send mail with defined transport object
  let info = await transporter.sendMail(mailOptions)

  console.log("Message sent: ", info);

}


//sleep(1000*60*2);
//send("Abdellah","abdellahaski@gmail.com","0707970909").catch(console.error);

// Preview only available when sending through an Ethereal account
//console.log("Preview URL: %s", nodemailer.getTestMessageUrl(info));


// Get content from file
// Define to JSON type
var contents = JSON.parse(fs.readFileSync("data.json"));
var students = contents["students"];

var stream = fs.createWriteStream(fileName, {flags:'a'});
// Get Value from JSON
/*students.forEach(s => {

  stream.write("\r\n------ Student: " + s.name + "--------------\r\n");
  //send(s.name,s.email,s.phone).catch(console.error);
  console.log("waiting...");
  stream.write("teest");

  //sleep(1000*60*1);

});*/

function sendToStudent(students, index) {
student = students[index];
stream.write(student);
}
sendToStudent(students,0);