let solution = {
        call:function(object,argument){

            switch (argument)
            {
                case 'upvote':
                {
                    object.upvotes+=1;
                    break;
                }

                case 'downvote':
                {
                    object.downvotes+=1;
                    break;
                }

                case 'score':
                {
                    let result=[];
                    let upvotes = Number(object.upvotes);
                    let downvotes = Number(object.downvotes);

                    let reportedUpvotes;
                    let reportedDownvotes;
                    let difference = upvotes-downvotes;
                    let rating;
                    if(upvotes+downvotes>50)
                    {
                        let inflation = Math.max(upvotes,downvotes);
                        reportedDownvotes=downvotes+0.25*inflation;
                        reportedUpvotes=upvotes+0.25*inflation;
                    }
                    else
                    {
                        reportedUpvotes=upvotes;
                        reportedDownvotes=downvotes;
                    }


                    if(upvotes>0.66*(upvotes+downvotes) && upvotes+downvotes>=10)
                    {
                        rating='hot';
                    }
                    else if(upvotes>100 && downvotes>100)
                    {
                        if(difference>0)
                        {
                            rating='controversial';
                        }
                        else
                        {
                            rating='unpopular';
                        }
                    }
                    else
                    {
                        rating='new';
                    }

                    return [reportedUpvotes,reportedDownvotes,difference,rating];


                }
            }
        }


};

var forumPost = {
    id: '1',
    author: 'pesho',
    content: 'hi guys',
    upvotes: 0,
    downvotes: 0
};

solution.call(forumPost, 'upvote');
console.log(solution.call(forumPost,'score'));