nestedCallbacks2.js

const request = require('request');
request(`https://maciejtreder.github.io/asynchronous-javascript/directors`, {json: true}, (err,res,directors)=> processDirectors(err,res,directors));

function processDirectors(err,res,directors){
    

    let tarantinoId = directors.find(director => director.name === "Quentin Tarantino").id;
    request(`https://maciejtreder.github.io/asynchronous-javascript/directors/${tarantinoId}/movies`, {json: true}, (err, res, movies) => {
        let checkedMoviesCount = 0;
        movies.forEach(movie => {
            request(`https://maciejtreder.github.io./asynchronous-javascript/movies/${movie.id}/reviews`, {json: true}, (err, res, reviews) => {
                checkedMoviesCount++;
                aggregatedScore = 0;
                count = 0;
                reviews.forEach(review => {
                    aggregatedScore += review.rating;
                    count++;
                });
                movie.averageRating = aggregatedScore / count;
                if (checkedMoviesCount === movies.length) {
                    movies.sort((m1, m2) => m2.averageRating - m1.averageRating);
                    console.log(`The best movie by Quentin Tarantino is... ${movies[0].title} !!!`);
                }
             });
        });
    });
  }