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

/**** 
* Classes
****/ 
var Button = Container.expand(function (text, color) {
	var self = Container.call(this);
	var buttonShape = color;
	var buttonGraphics = self.attachAsset(buttonShape, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var buttonText = new Text2(text, {
		size: 56,
		fill: 0xFFFFFF
	});
	buttonText.anchor.set(0.5, 0.5);
	self.addChild(buttonText);
	self.down = function (x, y, obj) {
		tween(self, {
			scaleX: 0.95,
			scaleY: 0.95
		}, {
			duration: 100
		});
	};
	self.up = function (x, y, obj) {
		tween(self, {
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 100
		});
	};
	return self;
});
var Card = Container.expand(function (suit, rank) {
	var self = Container.call(this);
	self.suit = suit;
	self.rank = rank;
	self.faceUp = false;
	var cardBackGraphics = self.attachAsset('cardBack', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var cardAssetId = suit + '_' + rank;
	var cardFrontGraphics = self.attachAsset(cardAssetId, {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	});
	var cardText = new Text2('', {
		size: 32,
		fill: 0x000000
	});
	cardText.anchor.set(0.5, 0.5);
	cardText.alpha = 0;
	self.addChild(cardText);
	self.getValue = function () {
		if (self.rank === 'A') return 11;
		if (self.rank === 'K' || self.rank === 'Q' || self.rank === 'J') return 10;
		return parseInt(self.rank);
	};
	self.flip = function () {
		if (self.faceUp) return;
		self.faceUp = true;
		LK.getSound('cardFlip').play();
		tween(cardBackGraphics, {
			alpha: 0
		}, {
			duration: 300
		});
		tween(cardFrontGraphics, {
			alpha: 1
		}, {
			duration: 300
		});
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x0F4C0F
});

/**** 
* Game Code
****/ 
// Add background
var background = game.addChild(LK.getAsset('background', {
	anchorX: 0,
	anchorY: 0
}));
background.x = 0;
background.y = 0;
// Spades cards (black)
// Clubs cards (black)
// Diamonds cards (red)
// Hearts cards (red)
var suits = ['hearts', 'diamonds', 'clubs', 'spades'];
var ranks = ['A', '2', '3', '4', '5', '6', '7', '8', '9', '10', 'J', 'Q', 'K'];
var deck = [];
var playerCards = [];
var dealerCards = [];
var playerTotal = 0;
var dealerTotal = 0;
var gameState = 'waiting'; // 'waiting', 'playing', 'dealerTurn', 'gameOver'
var wins = 0;
var losses = 0;
// Visual deck in center
var deckDisplay = game.addChild(LK.getAsset('cardBack', {
	anchorX: 0.5,
	anchorY: 0.5
}));
deckDisplay.x = 1024;
deckDisplay.y = 1366;
// UI Elements
var playerTotalText = new Text2('Player: 0', {
	size: 48,
	fill: 0xFFFFFF
});
playerTotalText.anchor.set(0.5, 0);
playerTotalText.x = 1024;
playerTotalText.y = 1700;
game.addChild(playerTotalText);
var dealerTotalText = new Text2('Dealer: ?', {
	size: 48,
	fill: 0xFFFFFF
});
dealerTotalText.anchor.set(0.5, 0);
dealerTotalText.x = 1024;
dealerTotalText.y = 850;
game.addChild(dealerTotalText);
var scoreText = new Text2('Wins: 0 | Losses: 0', {
	size: 36,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0.5, 0);
scoreText.x = 1024;
scoreText.y = 100;
game.addChild(scoreText);
var messageText = new Text2('Tap Deal to start!', {
	size: 42,
	fill: 0xFFFF00
});
messageText.anchor.set(0.5, 0.5);
messageText.x = 1024;
messageText.y = 1000;
game.addChild(messageText);
// Buttons
var hitButton = game.addChild(new Button('HIT', 'hitButton'));
hitButton.x = 650;
hitButton.y = 2200;
hitButton.alpha = 0;
var standButton = game.addChild(new Button('STAND', 'standButton'));
standButton.x = 1398;
standButton.y = 2200;
standButton.alpha = 0;
var dealButton = game.addChild(new Button('DEAL', 'dealButton'));
dealButton.x = 1024;
dealButton.y = 2200;
function createDeck() {
	deck = [];
	for (var s = 0; s < suits.length; s++) {
		for (var r = 0; r < ranks.length; r++) {
			deck.push(new Card(suits[s], ranks[r]));
		}
	}
	// Shuffle deck
	for (var i = deck.length - 1; i > 0; i--) {
		var j = Math.floor(Math.random() * (i + 1));
		var temp = deck[i];
		deck[i] = deck[j];
		deck[j] = temp;
	}
}
function dealCard(toPlayer) {
	if (deck.length === 0) return null;
	var card = deck.pop();
	game.addChild(card);
	// Start card at deck position
	card.x = 1024;
	card.y = 1366;
	if (toPlayer) {
		playerCards.push(card);
		var totalWidth = playerCards.length * 260;
		var startX = 1024 - (totalWidth - 260) / 2;
		var finalX = startX + (playerCards.length - 1) * 260;
		var finalY = 2000;
		// Animate card to player position with slight leftward movement
		tween(card, {
			x: finalX - 50,
			y: finalY
		}, {
			duration: 250,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(card, {
					x: finalX
				}, {
					duration: 250,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						LK.getSound('cardFlip').play();
						card.flip();
					}
				});
			}
		});
	} else {
		dealerCards.push(card);
		var totalWidth = dealerCards.length * 260;
		var startX = 1024 - (totalWidth - 260) / 2;
		var finalX = startX + (dealerCards.length - 1) * 260;
		var finalY = 600;
		// Animate card to dealer position with slight leftward movement
		tween(card, {
			x: finalX - 50,
			y: finalY
		}, {
			duration: 250,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(card, {
					x: finalX
				}, {
					duration: 250,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						if (dealerCards.length === 1) {
							LK.getSound('cardFlip').play();
							card.flip();
						}
					}
				});
			}
		});
	}
	return card;
}
function calculateTotal(cards, showAll) {
	var total = 0;
	var aces = 0;
	for (var i = 0; i < cards.length; i++) {
		if (!showAll && cards === dealerCards && i === 1 && !cards[i].faceUp) {
			continue;
		}
		var value = cards[i].getValue();
		if (value === 11) {
			aces++;
		}
		total += value;
	}
	while (total > 21 && aces > 0) {
		total -= 10;
		aces--;
	}
	return total;
}
function updateTotals() {
	playerTotal = calculateTotal(playerCards, true);
	dealerTotal = calculateTotal(dealerCards, gameState !== 'playing');
	playerTotalText.setText('Player: ' + playerTotal);
	if (gameState === 'playing') {
		dealerTotalText.setText('Dealer: ?');
	} else {
		dealerTotalText.setText('Dealer: ' + dealerTotal);
	}
}
function startNewHand() {
	// Clear previous cards
	for (var i = 0; i < playerCards.length; i++) {
		playerCards[i].destroy();
	}
	for (var i = 0; i < dealerCards.length; i++) {
		dealerCards[i].destroy();
	}
	playerCards = [];
	dealerCards = [];
	createDeck();
	gameState = 'playing';
	// Deal initial cards
	dealCard(true); // Player
	dealCard(false); // Dealer (face up)
	dealCard(true); // Player
	dealCard(false); // Dealer (face down)
	updateTotals();
	if (playerTotal === 21) {
		messageText.setText('Blackjack!');
		LK.getSound('win').play();
		LK.setTimeout(function () {
			endHand();
		}, 1000);
	} else {
		messageText.setText('Hit or Stand?');
	}
	hitButton.alpha = 1;
	standButton.alpha = 1;
	dealButton.alpha = 0;
}
function playerHit() {
	if (gameState !== 'playing') return;
	dealCard(true);
	updateTotals();
	if (playerTotal > 21) {
		messageText.setText('Bust! You lose!');
		hitButton.alpha = 0;
		standButton.alpha = 0;
		dealButton.alpha = 1;
		gameState = 'gameOver';
		losses++;
		updateScore();
		LK.getSound('lose').play();
	} else if (playerTotal === 21) {
		playerStand();
	}
}
function playerStand() {
	if (gameState !== 'playing') return;
	gameState = 'dealerTurn';
	hitButton.alpha = 0;
	standButton.alpha = 0;
	// Reveal dealer's face-down card
	if (dealerCards.length > 1) {
		LK.getSound('cardFlip').play();
		dealerCards[1].flip();
	}
	updateTotals();
	dealerPlay();
}
function dealerPlay() {
	LK.setTimeout(function () {
		dealerTotal = calculateTotal(dealerCards, true);
		if (dealerTotal < 17) {
			dealCard(false);
			if (dealerCards[dealerCards.length - 1]) {
				LK.getSound('cardFlip').play();
				dealerCards[dealerCards.length - 1].flip();
			}
			updateTotals();
			dealerPlay();
		} else {
			endHand();
		}
	}, 1000);
}
function endHand() {
	gameState = 'gameOver';
	dealButton.alpha = 1;
	var playerFinalTotal = calculateTotal(playerCards, true);
	var dealerFinalTotal = calculateTotal(dealerCards, true);
	if (playerFinalTotal > 21) {
		messageText.setText('You bust! Dealer wins!');
		losses++;
		LK.getSound('lose').play();
	} else if (dealerFinalTotal > 21) {
		messageText.setText('Dealer busts! You win!');
		wins++;
		LK.getSound('win').play();
	} else if (playerFinalTotal > dealerFinalTotal) {
		messageText.setText('You win!');
		wins++;
		LK.getSound('win').play();
	} else if (dealerFinalTotal > playerFinalTotal) {
		messageText.setText('Dealer wins!');
		losses++;
		LK.getSound('lose').play();
	} else {
		messageText.setText('Push! It\'s a tie!');
	}
	updateScore();
}
function updateScore() {
	scoreText.setText('Wins: ' + wins + ' | Losses: ' + losses);
}
// Button event handlers
hitButton.down = function (x, y, obj) {
	tween(hitButton, {
		scaleX: 0.95,
		scaleY: 0.95
	}, {
		duration: 100
	});
	if (gameState === 'playing') {
		playerHit();
	}
};
hitButton.up = function (x, y, obj) {
	tween(hitButton, {
		scaleX: 1,
		scaleY: 1
	}, {
		duration: 100
	});
};
standButton.down = function (x, y, obj) {
	tween(standButton, {
		scaleX: 0.95,
		scaleY: 0.95
	}, {
		duration: 100
	});
	if (gameState === 'playing') {
		playerStand();
	}
};
standButton.up = function (x, y, obj) {
	tween(standButton, {
		scaleX: 1,
		scaleY: 1
	}, {
		duration: 100
	});
};
dealButton.down = function (x, y, obj) {
	tween(dealButton, {
		scaleX: 0.95,
		scaleY: 0.95
	}, {
		duration: 100
	});
	if (gameState === 'waiting' || gameState === 'gameOver') {
		startNewHand();
	}
};
dealButton.up = function (x, y, obj) {
	tween(dealButton, {
		scaleX: 1,
		scaleY: 1
	}, {
		duration: 100
	});
};