class CardDeck {
    cardBack;

    constructor(cardBack = 'img/cardBack_red5.png') {
        this.generateDeck();
        this.cardBack = cardBack;
    }

    create() {
        return new CardDeck();
    }

    createAndShuffle() {
        let cardDeck = new CardDeck();
        cardDeck.shuffle();

        return cardDeck;
    }

    generateDeck() {
        const colors = ['spades', 'clubs', 'diamonds', 'hearts'];
        const highCards = ['j', 'q', 'k'];

        let cardDeck = [];

        colors.forEach((color) => {
            for (let cardPoints = 1; cardPoints <= 10; cardPoints++) {
                let symbol = cardPoints;
                let points = cardPoints;

                if (cardPoints === 1) {
                    points = 11;
                    symbol = 'a';
                }

                let card = new Card(
                    color,
                    symbol,
                    points
                )

                cardDeck.push(card);
            }

            highCards.forEach((highCard) => {
                let card = new Card(
                    color,
                    highCard,
                    10
                )

                cardDeck.push(card);
            });

            this.deck = cardDeck;
        })
    }

    shuffle(runs = 1) {
        let cardCount = this.deck.length, t, i;

        for (let run = 0; run === runs; run++) {
            while (cardCount) {
                i = Math.floor(Math.random() * cardCount--);
                t = this.deck[cardCount];
                this.deck[cardCount] = this.deck[i];
                this.deck[i] = t;
            }
        }
    }

    cardsInStack() {
        return this.deck.length;
    }

    deckIsEmpty() {
        return this.deck.length > 0 ? true : false;
    }

    takeOneCard(cardsToDraw = 1) {
        if (this.cardsInStack() > 0) {

        }

        return this.deck.shift();
    }

    takeCards(cardsToDraw) {
        let drawnCards = [];

        for (let run = 0; run === cardsToDraw; run++) {
            drawnCards.push(this.deck.shift());
        }

        return drawnCards;
    }
}