class Hand {
    drawCardToUser() {
        let vue = this;

        let drawnCard = vue.cards.shift();
        vue.usersHand.push(drawnCard);

        if (drawnCard.ace && vue.handScore > 10) {
            drawnCard.points = 1;
        }

        if ((vue.handScore + drawnCard.points) > 21) {
            let aceCount = this.handIncludesAces(this.usersHand);
            console.log(aceCount + ' aces should be decreased in value');
        }

        vue.handScore += drawnCard.points;
    }

    drawCardToDealer() {
        let vue = this;

        let drawnCard = vue.cards.shift();
        vue.dealersHand.push(drawnCard);

        if (drawnCard.ace && vue.dealerScore > 10) {
            drawnCard.points = 1;
        }

        if ((vue.dealerScore + drawnCard.points) > 21) {
            let aceCount = this.handIncludesAces(this.dealersHand);
            console.log(aceCount + ' aces should be decreased in value');
        }

        vue.dealerScore += drawnCard.points;
    }

    handIncludesAces(hand) {
        let aceCount = 0;

        hand.forEach((card) => {
            if (card.ace === true) {
                aceCount++;
            }
        });

        return aceCount;
    }

    handHasBlackJack(score) {
        return score === 21;
    }

    isPlus(score) {
        return score > 21;
    }

    startRound() {
        if (this.bet > this.money) {
            alertify.notify('Not enough money for bet.');
            return false;
        }

        this.money -= this.bet;

        this.initiated = true;
        this.endRound();

        this.roundActive = true;

        this.drawCardToUser();
        this.drawCardToDealer();
        this.drawCardToUser();
        this.drawCardToDealer();

        if (this.handHasBlackJack(this.dealerScore)) {
            this.dealerWon();
        }

        if (this.handScore === 21) {
            this.pass();
        }
    }

    drawAnotherCard() {
        this.drawCardToUser();

        if (this.isPlus(this.handScore)) {
            alertify.notify('Hand is plus, you lose.')
            this.roundActive = false;
        }
    }

    pass() {
        if (this.dealerScore === this.handScore) {
            this.roundActive = false;
            alertify.notify('Draw!');
            this.draw();
        } else if (this.dealerScore > 21) {
            this.roundActive = false;
            alertify.notify('Dealer is plus, you win');
            this.win();
        } else if (this.dealerScore > this.handScore) {
            this.roundActive = false;
            alertify.notify('Dealer Wins');
        } else if (this.dealerScore < 17) {
            this.roundActive = false;
            this.drawCardToDealer();
            this.pass();
        } else if (this.handScore > this.dealerScore && this.handScore < 22) {
            this.roundActive = false;
            alertify.notify('You win ' + this.bet * 1.5 + '!');
            this.win();
        }
    }

    draw() {
        this.money = (parseInt(this.money) + parseInt(this.bet));
    }

    win() {
        this.money += (parseInt(this.bet) * 2);
    }

    endRound() {
        this.roundActive = false;
        this.lastCard = null;
        this.status = null;
        this.dealersHand = [];
        this.dealerScore = 0;
        this.usersHand = [];
        this.handScore = 0;

        this.cards = this.generateDeck();
        this.shuffleDeck();
    }
}