/* Parent Class */
class Media {
  constructor(title) {
    this._title = title;
    this._isCheckedOut = false;
    this._ratings = [];
  }

  get title() {
    return this._title;
  }

  get isCheckedOut() {
    return this._isCheckOut;
  }

  get ratings() {
    return this._ratings;
  }

  set isCheckedOut(checkedOut) {
    this._isCheckOut = checkedOut;
  }


  toggleCheckedOutStatus() {
    this._isCheckedOut = !this._isCheckedOut;
  }


  getAverageRating() {

    let  ratingsSum = this._ratings.reduce((currentSum, rating) => currentSum + rating, 0);
    let  ratingsLength = this._ratings.length;

    let  average = ratingsSum/ratingsLength;

    this._ratings = average;

    return this._ratings;

  }

  addRating(ratings) {
    if(ratings < 1 || ratings > 5 ) {
    console.log('Error! Please rate between 1 and 5')

    } else {
       this._ratings.push(ratings);
  }

  }

}

class Book extends Media{
  constructor(author, title, pages) {
    super(title);
    this._author = author;
    this._pages = pages;
  }

  get author() {
    return this._author;
  }

  get pages() {
    return this._pages;
  }
}

class Movie extends Media {
  constructor(director, title, runTime, movieCast) {
    super(title);
    this._director = director;
    this._runTime = runTime;
    this._movieCast = movieCast;
  }

  get director() {
    return this._director;
  }

  get runTime() {
    return this._runTime;
  }
}

class Cd extends Media {
  constructor(title, artist, songs) {
    super(title);
    this._artist = artist;
    this._songs = [];
  }
  get artist() {
    return this._artist;
  }

  get songs() {
    return this._songs;
  }

  addSong(songs) {
    this._songs.push(songs);
  }

  shuffle(songs) {
    for (var i = songs.length - 1; i > 0; i--) {
        var j = Math.floor(Math.random() * (i + 1));
        var temp = songs[i];
        songs[i] = songs[j];
        songs[j] = temp;
    }
    return songs;
  }
}

class Catalog {
    constructor(mediaList){
    this._MyCatalog = [mediaList];
   }

get mediaList() {
     return this._mediaList;
  }

set mediaList(newMedialist)  {
   this._MyCatalog.push(newMedialist);
   }
}


const historyOfEverything = new Book('Bill Bryson', 'A Short History of Nearly Everything', 544);

//console.log(historyOfEverything);
historyOfEverything.toggleCheckedOutStatus();
//console.log(historyOfEverything._isCheckedOut);
historyOfEverything.addRating(4);
historyOfEverything.addRating(5);
historyOfEverything.addRating(5);
//console.log(historyOfEverything.getAverageRating());

const tgg = new Book('F. Scott Fitzgerald', 'The Great Gatsby', 192);

const avengers = new Movie('Joss Whedon', 'Avengers', 143);


//Console logs for the movie
//console.log(avengers);
avengers.toggleCheckedOutStatus();
console.log(avengers._isCheckedOut);
avengers.addRating(4);
avengers.addRating(4);
avengers.addRating(5);
console.log(avengers.getAverageRating());

// Outputs to console if the book is checked out in a fancy way
if (avengers._isCheckedOut === 'true') {
  console.log("The book is checked out")
} if (avengers._isCheckedOut === 'false') {
  console.log("This book is avaliable")
} else
  console.log("ERROR");

const newCd = new Cd('Ocean', 'Kasaija Akiiki');


newCd.addSong('Billy Jean');
newCd.addSong('Mafia');
newCd.addSong('Yeke Yeke');

//-----HERE IS THE CONSOLE.LOG FOR THE CD'S

//console.log(newCd);


const Test = new Catalog();
Test.mediaList = historyOfEverything;
Test.mediaList = avengers;
Test.mediaList = tgg;
Test.mediaList = newCd;
//------HERE IS THE CONSOLE.LOG FOR THE OUTPUT
//console.log(Test)