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

/**** 
* Classes
****/ 
// Card class: represents a single card (suit, rank, value, face up/down)
var Card = Container.expand(function () {
	var self = Container.call(this);
	// Card properties
	self.suit = null; // '♠', '♥', '♦', '♣'
	self.rank = null; // 'A', '2', ..., 'K'
	self.value = 0; // 1-11
	self.faceUp = true;
	// Card background (white for face up, gray for face down)
	var cardBg = self.attachAsset('cardBg', {
		width: 220,
		height: 320,
		color: 0xffffff,
		shape: 'box',
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Card text (rank and suit)
	var cardText = new Text2('', {
		size: 90,
		fill: 0x222222
	});
	cardText.anchor.set(0.5, 0.5);
	cardText.x = 0;
	cardText.y = 0;
	self.addChild(cardText);
	// Face down overlay
	var faceDownBg = self.attachAsset('cardBack', {
		width: 220,
		height: 320,
		color: 0x888888,
		shape: 'box',
		anchorX: 0.5,
		anchorY: 0.5
	});
	faceDownBg.visible = false;
	self.addChild(faceDownBg);
	// Set card data
	self.setCard = function (suit, rank, value, faceUp) {
		self.suit = suit;
		self.rank = rank;
		self.value = value;
		self.faceUp = faceUp !== false;
		updateVisual();
	};
	// Flip card (show/hide face)
	self.setFaceUp = function (faceUp) {
		self.faceUp = faceUp;
		updateVisual();
	};
	// Update card visuals
	function updateVisual() {
		if (self.faceUp) {
			cardBg.visible = true;
			cardText.visible = true;
			faceDownBg.visible = false;
			cardText.setText(self.rank + self.suit);
			// Red color for hearts/diamonds, black for spades/clubs
			if (self.suit === '♥' || self.suit === '♦') {
				cardText.setStyle({
					fill: "#d22"
				});
			} else {
				cardText.setStyle({
					fill: "#222"
				});
			}
		} else {
			cardBg.visible = false;
			cardText.visible = false;
			faceDownBg.visible = true;
		}
	}
	return self;
});
// Hand class: represents a hand of cards (player or dealer)
var Hand = Container.expand(function () {
	var self = Container.call(this);
	self.cards = [];
	// Add a card to the hand
	self.addCard = function (card) {
		self.cards.push(card);
		self.addChild(card);
		layoutCards();
	};
	// Remove all cards
	self.clear = function () {
		for (var i = 0; i < self.cards.length; i++) {
			self.cards[i].destroy();
		}
		self.cards = [];
	};
	// Layout cards horizontally with overlap
	function layoutCards() {
		var n = self.cards.length;
		var spacing = 120;
		var startX = -((n - 1) * spacing) / 2;
		for (var i = 0; i < n; i++) {
			var card = self.cards[i];
			card.x = startX + i * spacing;
			card.y = 0;
		}
	}
	// Calculate hand value (Blackjack rules: Aces can be 1 or 11)
	self.getValue = function () {
		var total = 0;
		var aces = 0;
		for (var i = 0; i < self.cards.length; i++) {
			var v = self.cards[i].value;
			total += v;
			if (self.cards[i].rank === 'A') aces++;
		}
		// Adjust for aces
		while (total > 21 && aces > 0) {
			total -= 10;
			aces--;
		}
		return total;
	};
	// Reveal all cards
	self.revealAll = function () {
		for (var i = 0; i < self.cards.length; i++) {
			self.cards[i].setFaceUp(true);
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x006622
});

/**** 
* Game Code
****/ 
// Card deck data
var suits = ['♠', '♥', '♦', '♣'];
var ranks = ['A', '2', '3', '4', '5', '6', '7', '8', '9', '10', 'J', 'Q', 'K'];
var values = {
	'A': 11,
	'2': 2,
	'3': 3,
	'4': 4,
	'5': 5,
	'6': 6,
	'7': 7,
	'8': 8,
	'9': 9,
	'10': 10,
	'J': 10,
	'Q': 10,
	'K': 10
};
// Game state
var deck = [];
var playerHand = null;
var dealerHand = null;
var playerScore = 0;
var winStreak = 0;
var gamePhase = 'playerTurn'; // 'playerTurn', 'dealerTurn', 'roundOver'
var messageTxt = null;
var playerValueTxt = null;
var dealerValueTxt = null;
var hitBtn = null;
var standBtn = null;
var newGameBtn = null;
// GUI: Score and streak
var scoreTxt = new Text2('Score: 0', {
	size: 90,
	fill: "#fff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var streakTxt = new Text2('Streak: 0', {
	size: 70,
	fill: "#fff"
});
streakTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(streakTxt);
streakTxt.y = 110;
// Message text (centered)
messageTxt = new Text2('', {
	size: 120,
	fill: "#fff"
});
messageTxt.anchor.set(0.5, 0.5);
messageTxt.y = -350; // Move handwriting/message higher
LK.gui.center.addChild(messageTxt);
// Add background image behind all elements
var tableBg = LK.getAsset('tableBg', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2,
	width: 2048,
	height: 2732
});
game.addChild(tableBg);
// Player hand
playerHand = new Hand();
game.addChild(playerHand);
playerHand.x = 2048 / 2;
playerHand.y = 2732 - 500;
// Dealer hand
dealerHand = new Hand();
game.addChild(dealerHand);
dealerHand.x = 2048 / 2;
dealerHand.y = 500;
// Player value text
playerValueTxt = new Text2('', {
	size: 70,
	fill: "#fff"
});
playerValueTxt.anchor.set(0.5, 0);
LK.gui.bottom.addChild(playerValueTxt);
playerValueTxt.y = -200;
// Dealer value text
dealerValueTxt = new Text2('', {
	size: 70,
	fill: "#fff"
});
dealerValueTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(dealerValueTxt);
dealerValueTxt.y = 220;
// Buttons
hitBtn = createButton('Hit', 0x229922, function () {
	if (gamePhase !== 'playerTurn') return;
	dealCardToHand(playerHand, true);
	updateHandValues();
	if (playerHand.getValue() > 21) {
		endRound('bust');
	}
});
standBtn = createButton('Stand', 0x2266cc, function () {
	if (gamePhase !== 'playerTurn') return;
	gamePhase = 'dealerTurn';
	updateButtons();
	dealerTurn();
});
newGameBtn = createButton('New Game', 0x993333, function () {
	startNewRound();
});
newGameBtn.visible = false;
// Button layout
hitBtn.x = 2048 / 2 - 220;
hitBtn.y = 2732 - 120; // Move lower
standBtn.x = 2048 / 2 + 220;
standBtn.y = 2732 - 120; // Move lower
newGameBtn.x = 2048 / 2;
newGameBtn.y = 2732 / 2 + 600; // Move lower
game.addChild(hitBtn);
game.addChild(standBtn);
game.addChild(newGameBtn);
// Prevent elements in top left 100x100
scoreTxt.x = 2048 / 2;
scoreTxt.y = 20;
streakTxt.x = 2048 / 2;
streakTxt.y = 110;
dealerValueTxt.x = 2048 / 2;
dealerValueTxt.y = 220;
// Start first round
startNewRound();
// --- Functions ---
// Create a button (Container with shape and text)
function createButton(label, color, onTap) {
	var btn = new Container();
	var bg = btn.attachAsset('btnBg', {
		width: 320,
		height: 120,
		color: color,
		shape: 'box',
		anchorX: 0.5,
		anchorY: 0.5
	});
	var txt = new Text2(label, {
		size: 70,
		fill: "#fff"
	});
	txt.anchor.set(0.5, 0.5);
	txt.x = 0;
	txt.y = 0;
	btn.addChild(txt);
	// Touch event
	btn.down = function (x, y, obj) {
		onTap();
	};
	// Visual feedback
	btn.interactive = true;
	btn.buttonMode = true;
	btn.alpha = 1;
	btn.up = function () {
		btn.alpha = 1;
	};
	btn.move = function () {};
	return btn;
}
// Shuffle deck
function shuffleDeck() {
	var d = [];
	for (var s = 0; s < suits.length; s++) {
		for (var r = 0; r < ranks.length; r++) {
			d.push({
				suit: suits[s],
				rank: ranks[r],
				value: values[ranks[r]]
			});
		}
	}
	// Fisher-Yates shuffle
	for (var i = d.length - 1; i > 0; i--) {
		var j = Math.floor(Math.random() * (i + 1));
		var tmp = d[i];
		d[i] = d[j];
		d[j] = tmp;
	}
	return d;
}
// Deal a card to a hand
function dealCardToHand(hand, faceUp) {
	if (deck.length === 0) deck = shuffleDeck();
	var cardData = deck.pop();
	var card = new Card();
	card.setCard(cardData.suit, cardData.rank, cardData.value, faceUp);
	hand.addCard(card);
	return card;
}
// Start a new round
function startNewRound() {
	gamePhase = 'playerTurn';
	messageTxt.setText('');
	playerHand.clear();
	dealerHand.clear();
	deck = shuffleDeck();
	// Deal initial cards
	dealCardToHand(playerHand, true);
	dealCardToHand(dealerHand, true);
	dealCardToHand(playerHand, true);
	var dealerHole = dealCardToHand(dealerHand, false); // Dealer's hole card
	updateHandValues();
	updateButtons();
	newGameBtn.visible = false;
}
// Update hand value displays
function updateHandValues() {
	var pv = playerHand.getValue();
	var dv = dealerHand.cards[0].faceUp ? dealerHand.cards[0].value : '?';
	playerValueTxt.setText('Your Hand: ' + pv);
	dealerValueTxt.setText('Dealer: ' + dv + (dealerHand.cards.length > 1 ? ' + ?' : ''));
}
// Update score and streak displays
function updateScoreDisplays() {
	scoreTxt.setText('Score: ' + playerScore);
	streakTxt.setText('Streak: ' + winStreak);
}
// Update button visibility
function updateButtons() {
	if (gamePhase === 'playerTurn') {
		hitBtn.visible = true;
		standBtn.visible = true;
		newGameBtn.visible = false;
	} else if (gamePhase === 'roundOver') {
		hitBtn.visible = false;
		standBtn.visible = false;
		newGameBtn.visible = true;
	} else {
		hitBtn.visible = false;
		standBtn.visible = false;
		newGameBtn.visible = false;
	}
}
// End round: outcome = 'win', 'lose', 'push', 'bust', 'dealerBust'
function endRound(outcome) {
	gamePhase = 'roundOver';
	dealerHand.revealAll();
	updateHandValues();
	if (outcome === 'win') {
		messageTxt.setText('You Win!');
		playerScore += 1;
		winStreak += 1;
		LK.effects.flashObject(playerHand, 0x33ff33, 800);
	} else if (outcome === 'lose') {
		messageTxt.setText('You Lose!');
		playerScore = Math.max(0, playerScore - 1);
		winStreak = 0;
		LK.effects.flashObject(playerHand, 0xff3333, 800);
	} else if (outcome === 'push') {
		messageTxt.setText('Push!');
		LK.effects.flashObject(playerHand, 0xcccccc, 800);
	} else if (outcome === 'bust') {
		messageTxt.setText('Bust!');
		playerScore = Math.max(0, playerScore - 1);
		winStreak = 0;
		LK.effects.flashObject(playerHand, 0xff3333, 800);
	} else if (outcome === 'dealerBust') {
		messageTxt.setText('Dealer Bust! You Win!');
		playerScore += 1;
		winStreak += 1;
		LK.effects.flashObject(playerHand, 0x33ff33, 800);
	}
	updateScoreDisplays();
	updateButtons();
}
// Dealer's turn logic
function dealerTurn() {
	// Reveal dealer's hole card
	dealerHand.cards[1].setFaceUp(true);
	updateHandValues();
	// Dealer draws until 17 or more
	var _dealerDraw = function dealerDraw() {
		var dv = dealerHand.getValue();
		if (dv < 17) {
			// Draw card after short delay
			LK.setTimeout(function () {
				dealCardToHand(dealerHand, true);
				updateHandValues();
				_dealerDraw();
			}, 600);
		} else {
			// Compare hands
			var pv = playerHand.getValue();
			var dv2 = dealerHand.getValue();
			if (dv2 > 21) {
				endRound('dealerBust');
			} else if (dv2 > pv) {
				endRound('lose');
			} else if (dv2 < pv) {
				endRound('win');
			} else {
				endRound('push');
			}
		}
	};
	_dealerDraw();
}
// --- Game update loop (not used for this turn-based game) ---
game.update = function () {
	// No per-frame logic needed
};