class Song{
        constructor(){};

        titleAndAuthor(){
            var item = document.getElementsByClassName("track-info__name ellipsis-one-line")[0];
            item=item.getElementsByClassName("react-contextmenu-wrapper")[0];
            item = item.querySelectorAll("span");
            item = item[0].querySelectorAll("a");

            return item;
        };

        songDurationInfo(){
            return document.getElementsByClassName("playback-bar__progress-time");
        };

        getSongTimerString(){
           return this.songDurationInfo()[0].innerText;
        };

        getSongDurationString(){
            return this.songDurationInfo()[1].innerText;
        }

        getSongTimeTotal(){
            var timeTotalStringSeconds = this.getSongDurationString()[this.getSongDurationString().length-2]+[this.getSongDurationString().length-1];
            var timeTotalStringMinutes = this.getSongDurationString().substring(0,this.getSongDurationString().length-3);
            var timeTotalInSec = parseInt(timeTotalStringMinutes) * 60 + parseInt(timeTotalStringSeconds)
            return timeTotalInSec;
        };
        getSongTimePassed(){
            var timePassedStringSeconds = this.getSongTimerString()[this.getSongTimerString().length-2] + [this.getSongTimerString().length-1];
            var timePassedStringMinutes = this.getSongTimerString().substring(0,this.getSongTimerString().length-3);
            var timePassedInSec = parseInt(timePassedStringMinutes) * 60 + parseInt(timePassedStringSeconds)
            return timePassedInSec;
        };

        getSongTimeLeft(){
            return this.getSongTimeTotal()-this.getSongTimePassed();
        };

        getTitle(){
            return this.titleAndAuthor()[0].innerText;
        };

        getTitleLink(){
            return this.titleAndAuthor()[0].href;
        };

        getArtistName(){
            var item = document.getElementsByClassName("track-info__artists link-subtle ellipsis-one-line")[0];
            item=item.getElementsByClassName("react-contextmenu-wrapper")[0];
            item = item.querySelectorAll("span");
            item = item[0].querySelectorAll("a");
            item = item[0].innerText;
            return item;
        };
    };

var test = new Song();
// console.log(test.getTitle());
// console.log(test.getArtistName());
// console.log(test.getTitleLink());
//console.log(test.getSongTimerString());
//console.log(test.getSongDurationString());



console.log(test.getSongTimeTotal());
console.log(test.getSongTimePassed());
console.log(test.getSongTimeLeft());