Undefined on local machine

const https = require('https');

const username = "chalkers";


//1. find the REST api on the website url here: 
// treehouse.com/corycarson.json 
//2. read the data
    //3. parse the data
//4. print out the data

//two types of events
    // system events: setTimeout()
    // user events: mouseClick()

//1. function to print site to console

function printMessage(username, badgeCount, points) {
  const message =  `${username} has ${badgeCount} total badge(s) and ${points} in Javascript`;
    console.log(message);
}

//console test of function
//printMessage("cory", 100, 2000000);
//

//2. use httpS get method
//2.1connect to the API URL
//2.2 initiate callback request using an arrow fx
const request = https.get(`https://teamtreehouse.com/${username}.json`, response => {
    console.dir(response.status)
    //2.5 concatenate the buffer to a variable
    let body = "";
    //read the data
    response.on('data', data => {
        //2.4 output the buffer data to a string format
       body +=  console.log('data:', data.toString()
                           );
        //response is sent in a buffer
        //node.js does not wait until the buffer returns in order to read the data
        //this is why it is a non-blocking language
        //the .toString()
        // we can concatenate the buffer by attaching it to a variable
    });
    //2.6 implement an END event on the response
    response.on('end', () => {
           //3. parsing data: turn string to object
        const profile = JSON.parse(body);
        printMessage(username, profile.badges.length, profile.points.javascript)
        console.dir(profile);

        //2.7 read out the body variable containing the buffer
        console.log(body);
        //currently the 'body' variable is a string, we want an object
            //to determine the type of an object 
//            console.log(typeof body)
    });



});