/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1");

/**** 
* Classes
****/ 
// Card class: represents a single card in the game
var Card = Container.expand(function () {
	var self = Container.call(this);
	// Card properties
	self.rank = null; // 2-10, 'J', 'Q', 'K', 'A'
	self.suit = null; // '♠', '♥', '♦', '♣'
	self.faceUp = true;
	// Card size
	var CARD_WIDTH = 220;
	var CARD_HEIGHT = 320;
	// Card background
	var bg = self.attachAsset('cardBg', {
		width: CARD_WIDTH,
		height: CARD_HEIGHT,
		color: 0xffffff,
		shape: 'box',
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Card border
	var border = self.attachAsset('cardBorder', {
		width: CARD_WIDTH,
		height: CARD_HEIGHT,
		color: 0x222222,
		shape: 'box',
		anchorX: 0.5,
		anchorY: 0.5
	});
	border.alpha = 0.12;
	// Card text (rank and suit)
	var txt = new Text2('', {
		size: 90,
		fill: 0x222222
	});
	txt.anchor.set(0.5, 0.5);
	txt.x = 0;
	txt.y = 0;
	self.addChild(txt);
	// Face down overlay
	var back = self.attachAsset('cardBack', {
		width: CARD_WIDTH,
		height: CARD_HEIGHT,
		color: 0x3a3a3a,
		shape: 'box',
		anchorX: 0.5,
		anchorY: 0.5
	});
	back.visible = false;
	// Set card data
	self.setCard = function (rank, suit, faceUp) {
		self.rank = rank;
		self.suit = suit;
		self.faceUp = faceUp !== false;
		self.updateVisual();
	};
	// Update card visuals
	self.updateVisual = function () {
		if (self.faceUp) {
			txt.visible = true;
			txt.setText(self.rank + self.suit);
			txt.setStyle({
				fill: self.suit === '♥' || self.suit === '♦' ? "#d83318" : "#222222"
			});
			back.visible = false;
		} else {
			txt.visible = false;
			back.visible = true;
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x0a1a2f
});

/**** 
* Game Code
****/ 
// Card deck setup
var SUITS = ['♠', '♥', '♦', '♣'];
var RANKS = ['A', '2', '3', '4', '5', '6', '7', '8', '9', '10', 'J', 'Q', 'K'];
// Game state
var playerHand = [];
var dealerHand = [];
var deck = [];
var inPlay = false;
var playerStands = false;
var revealDealer = false;
var messageTxt = null;
var scoreTxt = null;
var streakTxt = null;
var highScoreTxt = null;
var hitBtn = null;
var standBtn = null;
var playerScore = 0;
var winStreak = 0;
var highScore = storage.highScore || 0;
// Card layout
var CARD_SPACING = 160;
var PLAYER_Y = 2732 - 420;
// Move dealer cards lower to make room for streak/high score
var DEALER_Y = 420 + 120; // 120px lower
// UI: Player hand value
var playerValueTxt = new Text2("", {
	size: 70,
	fill: 0xffffff
});
playerValueTxt.anchor.set(0.5, 1);
playerValueTxt.x = 2048 / 2;
playerValueTxt.y = PLAYER_Y - 180;
game.addChild(playerValueTxt);
// UI: Dealer hand value
var dealerValueTxt = new Text2("", {
	size: 70,
	fill: 0xffffff
});
dealerValueTxt.anchor.set(0.5, 0);
dealerValueTxt.x = 2048 / 2;
dealerValueTxt.y = DEALER_Y + 220;
game.addChild(dealerValueTxt);
// Utility: shuffle array
function shuffle(array) {
	for (var i = array.length - 1; i > 0; i--) {
		var j = Math.floor(Math.random() * (i + 1));
		var t = array[i];
		array[i] = array[j];
		array[j] = t;
	}
	return array;
}
// Utility: create a new deck
function createDeck() {
	var d = [];
	for (var s = 0; s < SUITS.length; s++) {
		for (var r = 0; r < RANKS.length; r++) {
			d.push({
				rank: RANKS[r],
				suit: SUITS[s]
			});
		}
	}
	return shuffle(d);
}
// Utility: get hand value
function handValue(hand) {
	var total = 0;
	var aces = 0;
	for (var i = 0; i < hand.length; i++) {
		var r = hand[i].rank;
		if (r === 'A') {
			total += 11;
			aces++;
		} else if (r === 'K' || r === 'Q' || r === 'J') {
			total += 10;
		} else {
			total += parseInt(r);
		}
	}
	while (total > 21 && aces > 0) {
		total -= 10;
		aces--;
	}
	return total;
}
// Utility: clear all cards from the table
function clearTable() {
	for (var i = 0; i < playerHand.length; i++) {
		playerHand[i].destroy();
	}
	for (var i = 0; i < dealerHand.length; i++) {
		dealerHand[i].destroy();
	}
	playerHand = [];
	dealerHand = [];
}
// Utility: update all UI text
function updateUI() {
	scoreTxt.setText(playerScore + "");
	streakTxt.setText("Streak: " + winStreak);
	highScoreTxt.setText("High: " + highScore);
	// Show player hand value
	if (playerHand.length > 0) {
		playerValueTxt.setText("Your total: " + handValue(playerHand));
		playerValueTxt.visible = true;
	} else {
		playerValueTxt.visible = false;
	}
	// Show dealer hand value (only reveal if dealer's hidden card is up)
	if (dealerHand.length > 0) {
		var showDealer = false;
		if (dealerHand.length > 1 && dealerHand[1].faceUp) showDealer = true;
		if (dealerHand.length === 1) showDealer = true;
		if (showDealer) {
			dealerValueTxt.setText("Dealer: " + handValue(dealerHand));
			dealerValueTxt.visible = true;
		} else {
			// Show only the visible card's value
			dealerValueTxt.setText("Dealer: " + handValue([dealerHand[0]]));
			dealerValueTxt.visible = true;
		}
	} else {
		dealerValueTxt.visible = false;
	}
}
// Utility: show message
function showMessage(msg, color) {
	messageTxt.setText(msg);
	messageTxt.setStyle({
		fill: color || "#ffffff"
	});
	messageTxt.visible = true;
}
// Utility: hide message
function hideMessage() {
	messageTxt.visible = false;
}
// Deal a card to a hand
function dealCard(hand, faceUp, x, y) {
	if (deck.length === 0) {
		deck = createDeck();
	}
	var cardData = deck.pop();
	var card = new Card();
	card.setCard(cardData.rank, cardData.suit, faceUp);
	card.x = x;
	card.y = y;
	game.addChild(card);
	hand.push(card);
	return card;
}
// Layout cards in a hand
function layoutHand(hand, y) {
	var totalWidth = (hand.length - 1) * CARD_SPACING;
	var startX = 2048 / 2 - totalWidth / 2;
	for (var i = 0; i < hand.length; i++) {
		var targetX = startX + i * CARD_SPACING;
		tween(hand[i], {
			x: targetX,
			y: y
		}, {
			duration: 200,
			easing: tween.cubicOut
		});
	}
}
// Start a new round
function startRound() {
	clearTable();
	hideMessage();
	inPlay = true;
	playerStands = false;
	revealDealer = false;
	// Shuffle deck if low
	if (deck.length < 10) {
		deck = createDeck();
	}
	// Deal initial cards
	dealCard(playerHand, true, 2048 / 2 - CARD_SPACING / 2, PLAYER_Y);
	dealCard(dealerHand, true, 2048 / 2 - CARD_SPACING / 2, DEALER_Y);
	dealCard(playerHand, true, 2048 / 2 + CARD_SPACING / 2, PLAYER_Y);
	dealCard(dealerHand, false, 2048 / 2 + CARD_SPACING / 2, DEALER_Y);
	layoutHand(playerHand, PLAYER_Y);
	layoutHand(dealerHand, DEALER_Y);
	updateUI();
	hitBtn.visible = true;
	standBtn.visible = true;
}
// End round and show result
function endRound(result) {
	inPlay = false;
	revealDealer = true;
	// Reveal dealer's hidden card
	if (dealerHand.length > 1) {
		dealerHand[1].faceUp = true;
		dealerHand[1].updateVisual();
	}
	// Animate dealer hand to show all cards
	layoutHand(dealerHand, DEALER_Y);
	if (result === 'win') {
		playerScore++;
		winStreak++;
		showMessage("You Win!", "#83de44");
		LK.effects.flashObject(playerHand[0], 0x83de44, 600);
	} else if (result === 'lose') {
		winStreak = 0;
		showMessage("You Lose", "#d83318");
		LK.effects.flashObject(playerHand[0], 0xd83318, 600);
	} else {
		showMessage("Push", "#b8b031");
	}
	// Only allow high score to increase if playerScore exceeds it, and only after reaching it again after a loss
	if (playerScore > highScore) {
		highScore = playerScore;
		storage.highScore = highScore;
	} else if (result === 'lose' && playerScore < highScore) {
		// After a loss, lock highScore until playerScore reaches it again
		// Do nothing here; highScore remains unchanged and will only update if playerScore > highScore in the future
	}
	updateUI();
	// Hide buttons
	hitBtn.visible = false;
	standBtn.visible = false;
	// Start next round after delay
	LK.setTimeout(function () {
		startRound();
	}, 1200);
}
// Dealer's turn logic
function dealerTurn() {
	// Reveal dealer's hidden card
	if (dealerHand.length > 1) {
		dealerHand[1].faceUp = true;
		dealerHand[1].updateVisual();
	}
	layoutHand(dealerHand, DEALER_Y);
	// Dealer draws to 17 or higher
	var dealerVal = handValue(dealerHand);
	var playerVal = handValue(playerHand);
	function dealerDraw() {
		dealerVal = handValue(dealerHand);
		updateUI();
		if (dealerVal < 17) {
			var card = dealCard(dealerHand, true, 2048 / 2 + (dealerHand.length - 1) * CARD_SPACING / 2, DEALER_Y);
			layoutHand(dealerHand, DEALER_Y);
			LK.setTimeout(dealerDraw, 500);
		} else {
			// Compare hands
			if (dealerVal > 21) {
				endRound('win');
			} else if (dealerVal > playerVal) {
				endRound('lose');
			} else if (dealerVal < playerVal) {
				endRound('win');
			} else {
				endRound('push');
			}
		}
	}
	LK.setTimeout(dealerDraw, 600);
}
// Handle player "Hit"
function onHit() {
	if (!inPlay) return;
	var card = dealCard(playerHand, true, 2048 / 2 + (playerHand.length - 1) * CARD_SPACING / 2, PLAYER_Y);
	layoutHand(playerHand, PLAYER_Y);
	var val = handValue(playerHand);
	updateUI();
	if (val > 21) {
		endRound('lose');
	}
}
// Handle player "Stand"
function onStand() {
	if (!inPlay) return;
	playerStands = true;
	hitBtn.visible = false;
	standBtn.visible = false;
	dealerTurn();
}
// Handle touch on hit/stand buttons
function buttonDown(x, y, obj) {
	if (!inPlay) return;
	if (obj === hitBtn) {
		onHit();
	} else if (obj === standBtn) {
		onStand();
	}
}
// UI: Score
scoreTxt = new Text2("0", {
	size: 120,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// UI: Streak
streakTxt = new Text2("Streak: 0", {
	size: 60,
	fill: 0xB8B031
});
streakTxt.anchor.set(0.5, 0);
streakTxt.y = 120;
LK.gui.top.addChild(streakTxt);
// UI: High Score
highScoreTxt = new Text2("High: " + highScore, {
	size: 60,
	fill: 0x83DE44
});
highScoreTxt.anchor.set(0.5, 0);
highScoreTxt.y = 200;
LK.gui.top.addChild(highScoreTxt);
// UI: Message
messageTxt = new Text2("", {
	size: 120,
	fill: 0xFFFFFF
});
messageTxt.anchor.set(0.5, 0.5);
messageTxt.x = 2048 / 2;
messageTxt.y = 2732 / 2 - 100;
messageTxt.visible = false;
game.addChild(messageTxt);
// UI: Hit Button
hitBtn = LK.getAsset('hitBtn', {
	width: 420,
	height: 160,
	color: 0x83de44,
	shape: 'box',
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2 - 260,
	y: 2732 - 180
});
game.addChild(hitBtn);
var hitTxt = new Text2("HIT", {
	size: 80,
	fill: 0xFFFFFF
});
hitTxt.anchor.set(0.5, 0.5);
hitTxt.x = 0;
hitTxt.y = 0;
hitBtn.addChild(hitTxt);
// UI: Stand Button
standBtn = LK.getAsset('standBtn', {
	width: 420,
	height: 160,
	color: 0xd83318,
	shape: 'box',
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2 + 260,
	y: 2732 - 180
});
game.addChild(standBtn);
var standTxt = new Text2("STAND", {
	size: 80,
	fill: 0xFFFFFF
});
standTxt.anchor.set(0.5, 0.5);
standTxt.x = 0;
standTxt.y = 0;
standBtn.addChild(standTxt);
// Button event handlers
hitBtn.down = function (x, y, obj) {
	buttonDown(x, y, hitBtn);
};
standBtn.down = function (x, y, obj) {
	buttonDown(x, y, standBtn);
};
// Prevent overlap with top left menu
// (All UI is centered or at bottom, so nothing in top left 100x100)
// Play music at game start
LK.playMusic('blackjackmusic');
// Start first round
startRound();
// No need for game.update, as all logic is event-driven
// End of file

===================================================================
--- original.js
+++ change.js
@@ -460,8 +460,10 @@
 	buttonDown(x, y, standBtn);
 };
 // Prevent overlap with top left menu
 // (All UI is centered or at bottom, so nothing in top left 100x100)
+// Play music at game start
+LK.playMusic('blackjackmusic');
 // Start first round
 startRound();
 // No need for game.update, as all logic is event-driven
 // End of file
\ No newline at end of file