WtfExercise

function solve(inputArr) {
    const users = new Map();
    const articles = new Map();

    for(let line of inputArr) {

        if(line.includes('user ')) {
            let userName = line.split('').splice(5, line.length).join('');
            users.set(userName, {});

        } else if(line.includes('article ')) {
            let articleName = line.split('').splice(8, line.length).join('');
            articles.set(articleName, []);

        } else if(line.includes(' posts on ')) {
            let [postStr, commentStr] = line.split(': ');
            let [userName, articleName] = postStr.split(' posts on ');
            let [commentTitle, commentContent] = commentStr.split(', ');

            if(users.has(userName) && articles.has(articleName)) {
                users.get(userName)[articleName] = [commentTitle, commentContent];
            }
        }
    }

    let articleEntries = Array.from(articles.entries());
    articleEntries.forEach(articleEntrie => { // articleEntrie - [0] - name of the article
    let userEntries = Array.from(users.entries());

        userEntries.forEach(userEntrie => {
            if (userEntrie[1][articleEntrie[0]] != undefined) {
                let [commentTitle, commentContent] = userEntrie[1][articleEntrie[0]];
                let userName = userEntrie[0];

                let commentObject = {
                    name: userName,
                    title: commentTitle,
                    content: commentContent
                };

                if(articles.get(articleEntrie[0]).length <= 1) {
                    articles.get(articleEntrie[0]).push(commentObject);
                } else {
                    console.log(articles.get(articleEntrie[0]));
                }

            }
        });
    });


    articleEntries = Array.from(articles.entries()).sort((a, b) => {
        let commentsA = a[1].length;
        let commentsB = b[1].length;

        if(commentsA != commentsB) {
            return commentsB - commentsA;
        } else {
            return a[0].localeCompare(a[1]);
        }
    });

    articleEntries.forEach(entrie => {
        console.log(`Comments on ${entrie[0]}`);

        let sortedUsers = entrie[1].sort((a, b) => {
            let nameA = a.name;
            let nameB = b.name;

            return nameA.localeCompare(nameB);
        });

        sortedUsers.forEach(user => {
            let {name, title, content} = user;
            console.log(`--- From user ${name}: ${title} - ${content}`);
        });
    });

}