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

/**** 
* Classes
****/ 
var Cell = Container.expand(function (row, col) {
	var self = Container.call(this);
	self.row = row;
	self.col = col;
	self.value = 0; // 0 = empty, 1 = X (blue), 2 = O (red)
	var cellBg = self.attachAsset('cell', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.01 // Make almost invisible but still interactive
	});
	// Make the entire cell area interactive
	self.interactive = true;
	self.hitArea = new Rectangle(-290, -290, 580, 580);
	self.marker = null;
	// Add hover effect to show clickable area
	self.move = function (x, y, obj) {
		if (!gameReady || gameOver || self.value !== 0 || gameMode === 'menu') return;
		if (isAIMode && currentPlayer !== 1) return;
		cellBg.alpha = 0.2; // Show cell is hoverable
	};
	// Reset hover effect when mouse leaves
	self.up = function (x, y, obj) {
		if (self.value === 0) {
			cellBg.alpha = 0.01; // Reset to almost invisible
		}
	};
	self.placeMarker = function (type, callback) {
		if (self.value !== 0) return false;
		// Prevent placing marker if already has one or is animating
		if (self.marker) return false;
		// In AI mode, extra validation
		if (isAIMode && type === 1 && aiProcessing) return false;
		if (isAIMode && type === 2 && !aiProcessing) return false;
		self.value = type;
		if (type === 1) {
			// Blue X
			self.marker = self.attachAsset('xMarker', {
				anchorX: 0.5,
				anchorY: 0.5,
				alpha: 0,
				scaleX: 0.1,
				scaleY: 0.1
			});
			tween(self.marker, {
				alpha: 0.9,
				scaleX: 1.0,
				scaleY: 1.0
			}, {
				duration: 300,
				easing: tween.easeOut,
				onFinish: callback
			});
		} else {
			// Red O
			self.marker = self.attachAsset('oMarker', {
				anchorX: 0.5,
				anchorY: 0.5,
				alpha: 0,
				scaleX: 0.1,
				scaleY: 0.1
			});
			tween(self.marker, {
				alpha: 0.9,
				scaleX: 1.0,
				scaleY: 1.0
			}, {
				duration: 300,
				easing: tween.easeOut,
				onFinish: callback
			});
		}
		LK.getSound('place').play();
		return true;
	};
	self.down = function (x, y, obj) {
		// Basic validation checks
		if (!gameReady || gameOver || gameMode === 'menu') return;
		if (self.value !== 0) return; // Cell already occupied
		// Prevent placing markers when game board is not visible
		if (gameBoard.alpha === 0) return;
		// In AI mode, prevent ALL player input during AI processing or when it's not player's turn
		if (isAIMode && (currentPlayer !== 1 || aiProcessing)) return;
		// Additional safety check to prevent race conditions
		if (isAIMode && currentPlayer === 2) return;
		// Extra validation: ensure no other animations are running
		if (isAIMode && aiProcessing) {
			console.log("Player input blocked - AI is processing");
			return;
		}
		// Check if any cell is currently animating to prevent interference
		for (var r = 0; r < 3; r++) {
			for (var c = 0; c < 3; c++) {
				var checkCell = grid[r][c];
				if (checkCell && checkCell.marker && checkCell.marker.alpha < 0.9 && checkCell.marker.alpha > 0) {
					return; // Animation in progress, prevent input
				}
			}
		}
		// Place the marker with animation and wait for completion
		if (self.placeMarker(currentPlayer, function () {
			// This callback runs after the marker animation completes
			checkWin();
			if (!gameOver) {
				if (isAIMode && currentPlayer === 1) {
					// AI mode - player played, now AI plays
					currentPlayer = 2;
					updateTurnDisplay();
					// Only start AI processing if not already processing
					if (!aiProcessing) {
						aiProcessing = true;
						LK.setTimeout(function () {
							if (!gameOver && currentPlayer === 2 && isAIMode) {
								aiProcessing = false;
								makeAIMove();
							} else {
								aiProcessing = false;
							}
						}, 100); // Small delay to ensure UI updates
					}
				} else if (isAIMode && currentPlayer === 2) {
					// This shouldn't happen in AI mode since AI doesn't click
					currentPlayer = 1;
					updateTurnDisplay();
				} else {
					// Two player mode - switch players normally
					currentPlayer = currentPlayer === 1 ? 2 : 1;
					updateTurnDisplay();
				}
			}
		})) {
			// Marker placement started successfully - disable further input until animation completes
		}
	};
	return self;
});
var WinLine = Container.expand(function () {
	var self = Container.call(this);
	self.line = self.attachAsset('winLine', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0,
		scaleX: 0
	});
	self.showWinLine = function (startX, startY, endX, endY, color) {
		var deltaX = endX - startX;
		var deltaY = endY - startY;
		var angle = Math.atan2(deltaY, deltaX);
		var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
		self.x = startX + deltaX / 2;
		self.y = startY + deltaY / 2;
		self.line.rotation = angle;
		self.line.tint = color;
		self.line.width = distance;
		tween(self.line, {
			alpha: 1,
			scaleX: 1
		}, {
			duration: 500,
			easing: tween.easeOut
		});
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1a1a1a
});

/**** 
* Game Code
****/ 
var grid = [];
var currentPlayer = 1; // 1 = Blue X, 2 = Red O
var gameOver = false;
var winLine = null;
var gameMode = 'menu'; // 'menu', 'ai', 'twoPlayer', 'difficulty'
var isAIMode = false;
var aiDifficulty = 'normal'; // 'easy', 'normal', 'hard'
var aiProcessing = false; // Flag to prevent AI from interfering with player moves
var currentLanguage = storage.language || 'tr'; // 'tr' for Turkish, 'en' for English
var selectedDifficulty = ''; // Store selected difficulty for confirmation
var languageTexts = {
	tr: {
		blueTurn: 'Sıra: Mavinin',
		redTurn: 'Sıra: Kırmızının',
		blueWin: 'MAVİ TAKIM KAZANDI!',
		redWin: 'KIRMIZI TAKIM KAZANDI!',
		draw: 'BERABERE!',
		playAgain: 'Tekrar Oyna',
		language: 'Türkçe',
		vsAI: 'Yapay Zeka ile Oyna',
		twoPlayer: 'İki Kişilik Oyna',
		selectMode: 'Oyun Modunu Seçin',
		back: '← Geri',
		exit: 'Çıkış',
		selectDifficulty: 'Zorluk Seçin',
		easy: 'Kolay',
		normal: 'Normal',
		hard: 'Zor',
		confirmEasy: 'Kolay modu seçmek istiyor musunuz?',
		confirmNormal: 'Normal modu seçmek istiyor musunuz?',
		confirmHard: 'Zor modu seçmek istiyor musunuz?',
		yes: 'Evet',
		no: 'Hayır'
	},
	en: {
		blueTurn: 'Turn: Blue',
		redTurn: 'Turn: Red',
		blueWin: 'BLUE TEAM WON!',
		redWin: 'RED TEAM WON!',
		draw: 'DRAW!',
		playAgain: 'Play Again',
		language: 'English',
		vsAI: 'Play vs AI',
		twoPlayer: 'Two Player',
		selectMode: 'Select Game Mode',
		back: '← Back',
		exit: 'Exit',
		selectDifficulty: 'Select Difficulty',
		easy: 'Easy',
		normal: 'Normal',
		hard: 'Hard',
		confirmEasy: 'Do you want to select Easy mode?',
		confirmNormal: 'Do you want to select Normal mode?',
		confirmHard: 'Do you want to select Hard mode?',
		yes: 'Yes',
		no: 'No'
	}
};
// Game setup
var gameBoard = game.addChild(new Container());
gameBoard.x = 2048 / 2;
gameBoard.y = 2732 / 2;
gameBoard.scaleX = 1.2;
gameBoard.scaleY = 1.2;
gameBoard.alpha = 0; // Hidden initially
// Create background
var background = gameBoard.attachAsset('gridBackground', {
	anchorX: 0.5,
	anchorY: 0.5
});
// Create grid lines
var verticalLine1 = gameBoard.attachAsset('gridLine', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: -300,
	height: 1800
});
var verticalLine2 = gameBoard.attachAsset('gridLine', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 300,
	height: 1800
});
var horizontalLine1 = gameBoard.attachAsset('gridLine', {
	anchorX: 0.5,
	anchorY: 0.5,
	y: -300,
	width: 1800,
	height: 8
});
var horizontalLine2 = gameBoard.attachAsset('gridLine', {
	anchorX: 0.5,
	anchorY: 0.5,
	y: 300,
	width: 1800,
	height: 8
});
// Create cells
for (var row = 0; row < 3; row++) {
	grid[row] = [];
	for (var col = 0; col < 3; col++) {
		var cell = gameBoard.addChild(new Cell(row, col));
		cell.x = (col - 1) * 600;
		cell.y = (row - 1) * 600;
		grid[row][col] = cell;
	}
}
// UI Elements
var blueTurnText = new Text2(languageTexts[currentLanguage].blueTurn, {
	size: 120,
	fill: 0x00AAFF
});
blueTurnText.anchor.set(0.5, 0);
LK.gui.top.addChild(blueTurnText);
blueTurnText.y = 150;
var redTurnText = new Text2(languageTexts[currentLanguage].redTurn, {
	size: 120,
	fill: 0xff0000
});
redTurnText.anchor.set(0.5, 0);
LK.gui.top.addChild(redTurnText);
redTurnText.y = 150;
var languageBtn = new Text2(languageTexts[currentLanguage === 'tr' ? 'en' : 'tr'].language, {
	size: 60,
	fill: 0xFFFFFF
});
languageBtn.anchor.set(0.5, 0);
LK.gui.top.addChild(languageBtn);
languageBtn.y = 80;
var statusText = new Text2('', {
	size: 100,
	fill: 0xFFFFFF
});
statusText.anchor.set(0.5, 0.5);
LK.gui.center.addChild(statusText);
statusText.y = 400;
// Create background for play again button
var playAgainBg = LK.getAsset('cell', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 500,
	height: 120,
	tint: 0x4CAF50,
	alpha: 0
});
LK.gui.center.addChild(playAgainBg);
playAgainBg.y = 550;
var playAgainBtn = new Text2(languageTexts[currentLanguage].playAgain, {
	size: 90,
	fill: 0xFFFFFF
});
playAgainBtn.anchor.set(0.5, 0.5);
playAgainBtn.interactive = false;
playAgainBtn.hitArea = new Rectangle(-250, -60, 500, 120);
LK.gui.center.addChild(playAgainBtn);
playAgainBtn.y = 550;
playAgainBtn.alpha = 0;
// Menu UI elements
var menuTitle = new Text2(languageTexts[currentLanguage].selectMode, {
	size: 120,
	fill: 0xFFFFFF
});
menuTitle.anchor.set(0.5, 0.5);
LK.gui.center.addChild(menuTitle);
menuTitle.y = -200;
// AI Difficulty selection elements
var difficultyTitle = new Text2(languageTexts[currentLanguage].selectDifficulty, {
	size: 100,
	fill: 0xFFFFFF
});
difficultyTitle.anchor.set(0.5, 0.5);
LK.gui.center.addChild(difficultyTitle);
difficultyTitle.y = -200;
difficultyTitle.alpha = 0;
// Create background blocks for difficulty buttons
var easyBlock = LK.getAsset('cell', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 400,
	height: 120,
	tint: 0x44FF44,
	alpha: 0.3
});
LK.gui.center.addChild(easyBlock);
easyBlock.y = -100;
easyBlock.alpha = 0;
var normalBlock = LK.getAsset('cell', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 400,
	height: 120,
	tint: 0xFFAA00,
	alpha: 0.3
});
LK.gui.center.addChild(normalBlock);
normalBlock.y = 50;
normalBlock.alpha = 0;
var hardBlock = LK.getAsset('cell', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 400,
	height: 120,
	tint: 0xFF4444,
	alpha: 0.3
});
LK.gui.center.addChild(hardBlock);
hardBlock.y = 200;
hardBlock.alpha = 0;
var easyBtn = new Text2(languageTexts[currentLanguage].easy, {
	size: 90,
	fill: 0x44FF44
});
easyBtn.anchor.set(0.5, 0.5);
easyBtn.interactive = false;
easyBtn.hitArea = new Rectangle(-150, -45, 300, 90);
LK.gui.center.addChild(easyBtn);
easyBtn.y = -100;
easyBtn.alpha = 0;
var normalBtn = new Text2(languageTexts[currentLanguage].normal, {
	size: 90,
	fill: 0xFFAA00
});
normalBtn.anchor.set(0.5, 0.5);
normalBtn.interactive = false;
normalBtn.hitArea = new Rectangle(-150, -45, 300, 90);
LK.gui.center.addChild(normalBtn);
normalBtn.y = 50;
normalBtn.alpha = 0;
var hardBtn = new Text2(languageTexts[currentLanguage].hard, {
	size: 90,
	fill: 0xFF4444
});
hardBtn.anchor.set(0.5, 0.5);
hardBtn.interactive = false;
hardBtn.hitArea = new Rectangle(-150, -45, 300, 90);
LK.gui.center.addChild(hardBtn);
hardBtn.y = 200;
hardBtn.alpha = 0;
// Confirmation dialog elements
var confirmationBg = LK.getAsset('gridBackground', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 1200,
	height: 600,
	tint: 0x000000,
	alpha: 0.8
});
LK.gui.center.addChild(confirmationBg);
confirmationBg.alpha = 0;
var confirmationText = new Text2('', {
	size: 80,
	fill: 0xFFFFFF
});
confirmationText.anchor.set(0.5, 0.5);
LK.gui.center.addChild(confirmationText);
confirmationText.y = -50;
confirmationText.alpha = 0;
var yesBtn = new Text2(languageTexts[currentLanguage].yes, {
	size: 80,
	fill: 0x44FF44
});
yesBtn.anchor.set(0.5, 0.5);
yesBtn.interactive = true;
LK.gui.center.addChild(yesBtn);
yesBtn.x = -150;
yesBtn.y = 100;
yesBtn.alpha = 0;
var noBtn = new Text2(languageTexts[currentLanguage].no, {
	size: 80,
	fill: 0xFF4444
});
noBtn.anchor.set(0.5, 0.5);
noBtn.interactive = true;
LK.gui.center.addChild(noBtn);
noBtn.x = 150;
noBtn.y = 100;
noBtn.alpha = 0;
// Add hit areas to confirmation dialog buttons
yesBtn.hitArea = new Rectangle(-100, -40, 200, 80);
noBtn.hitArea = new Rectangle(-100, -40, 200, 80);
// Confirmation dialog button handlers
yesBtn.down = function (x, y, obj) {
	if (selectedDifficulty) {
		aiDifficulty = selectedDifficulty;
		hideConfirmationDialog();
		startGame('ai');
	}
};
noBtn.down = function (x, y, obj) {
	hideConfirmationDialog();
};
// Add glowing animation to blocks
function animateDifficultyBlocks() {
	tween(easyBlock, {
		alpha: 0.5
	}, {
		duration: 1000,
		easing: tween.easeInOut,
		repeat: -1,
		yoyo: true
	});
	tween(normalBlock, {
		alpha: 0.5
	}, {
		duration: 1000,
		easing: tween.easeInOut,
		repeat: -1,
		yoyo: true,
		delay: 333
	});
	tween(hardBlock, {
		alpha: 0.5
	}, {
		duration: 1000,
		easing: tween.easeInOut,
		repeat: -1,
		yoyo: true,
		delay: 666
	});
}
function showConfirmationDialog(difficulty) {
	selectedDifficulty = difficulty;
	gameMode = 'confirmation';
	var confirmText = '';
	if (difficulty === 'easy') {
		confirmText = languageTexts[currentLanguage].confirmEasy;
	} else if (difficulty === 'normal') {
		confirmText = languageTexts[currentLanguage].confirmNormal;
	} else if (difficulty === 'hard') {
		confirmText = languageTexts[currentLanguage].confirmHard;
	}
	confirmationText.setText(confirmText);
	// Enable confirmation button interactions
	yesBtn.interactive = true;
	noBtn.interactive = true;
	// Show confirmation elements
	tween(confirmationBg, {
		alpha: 0.8
	}, {
		duration: 200
	});
	tween(confirmationText, {
		alpha: 1
	}, {
		duration: 200
	});
	tween(yesBtn, {
		alpha: 1
	}, {
		duration: 200
	});
	tween(noBtn, {
		alpha: 1
	}, {
		duration: 200
	});
}
function hideConfirmationDialog() {
	gameMode = 'difficulty';
	selectedDifficulty = '';
	// Disable confirmation button interactions
	yesBtn.interactive = false;
	noBtn.interactive = false;
	// Hide confirmation elements
	tween(confirmationBg, {
		alpha: 0
	}, {
		duration: 200
	});
	tween(confirmationText, {
		alpha: 0
	}, {
		duration: 200
	});
	tween(yesBtn, {
		alpha: 0
	}, {
		duration: 200
	});
	tween(noBtn, {
		alpha: 0
	}, {
		duration: 200
	});
}
var vsAIBtn = new Text2(languageTexts[currentLanguage].vsAI, {
	size: 100,
	fill: 0x00AAFF
});
vsAIBtn.anchor.set(0.5, 0.5);
vsAIBtn.interactive = false;
vsAIBtn.hitArea = new Rectangle(-200, -50, 400, 100);
LK.gui.center.addChild(vsAIBtn);
vsAIBtn.y = 0;
var twoPlayerBtn = new Text2(languageTexts[currentLanguage].twoPlayer, {
	size: 100,
	fill: 0xFF4444
});
twoPlayerBtn.anchor.set(0.5, 0.5);
twoPlayerBtn.interactive = false;
twoPlayerBtn.hitArea = new Rectangle(-200, -50, 400, 100);
LK.gui.center.addChild(twoPlayerBtn);
twoPlayerBtn.y = 150;
var backBtn = new Text2(languageTexts[currentLanguage].back, {
	size: 80,
	fill: 0xFFFFFF
});
backBtn.anchor.set(0.5, 0.5);
backBtn.interactive = false;
backBtn.hitArea = new Rectangle(-150, -40, 300, 80);
LK.gui.top.addChild(backBtn);
backBtn.x = 250;
backBtn.y = 160;
backBtn.alpha = 0;
var exitBtn = new Text2(languageTexts[currentLanguage].exit, {
	size: 80,
	fill: 0xFF0000
});
exitBtn.anchor.set(0.5, 0);
exitBtn.interactive = false;
exitBtn.hitArea = new Rectangle(-100, -40, 200, 80);
LK.gui.top.addChild(exitBtn);
exitBtn.y = 80;
exitBtn.x = 450;
exitBtn.alpha = 0;
// Language toggle functionality
languageBtn.interactive = true; // Always interactive
languageBtn.hitArea = new Rectangle(-100, -40, 200, 80);
languageBtn.down = function (x, y, obj) {
	// Always allow language switching regardless of game state
	currentLanguage = currentLanguage === 'tr' ? 'en' : 'tr';
	storage.language = currentLanguage;
	updateLanguageTexts();
};
// Menu button handlers
vsAIBtn.down = function (x, y, obj) {
	if (gameMode === 'menu') {
		showDifficultySelection();
	}
};
twoPlayerBtn.down = function (x, y, obj) {
	if (gameMode === 'menu') {
		startGame('twoPlayer');
	}
};
// Difficulty button handlers
easyBtn.down = function (x, y, obj) {
	if (gameMode === 'difficulty') {
		showConfirmationDialog('easy');
	}
};
normalBtn.down = function (x, y, obj) {
	if (gameMode === 'difficulty') {
		showConfirmationDialog('normal');
	}
};
hardBtn.down = function (x, y, obj) {
	if (gameMode === 'difficulty') {
		showConfirmationDialog('hard');
	}
};
backBtn.down = function (x, y, obj) {
	if (gameMode === 'confirmation') {
		hideConfirmationDialog();
	} else if (gameMode === 'difficulty') {
		showMenu();
	} else if (gameMode !== 'menu') {
		resetGame();
		showMenu();
	}
};
exitBtn.down = function (x, y, obj) {
	if (gameMode !== 'menu') {
		resetGame();
		showMenu();
	}
};
function updateLanguageTexts() {
	blueTurnText.setText(languageTexts[currentLanguage].blueTurn);
	redTurnText.setText(languageTexts[currentLanguage].redTurn);
	playAgainBtn.setText(languageTexts[currentLanguage].playAgain);
	languageBtn.setText(languageTexts[currentLanguage === 'tr' ? 'en' : 'tr'].language);
	menuTitle.setText(languageTexts[currentLanguage].selectMode);
	vsAIBtn.setText(languageTexts[currentLanguage].vsAI);
	twoPlayerBtn.setText(languageTexts[currentLanguage].twoPlayer);
	backBtn.setText(languageTexts[currentLanguage].back);
	exitBtn.setText(languageTexts[currentLanguage].exit);
	difficultyTitle.setText(languageTexts[currentLanguage].selectDifficulty);
	easyBtn.setText(languageTexts[currentLanguage].easy);
	normalBtn.setText(languageTexts[currentLanguage].normal);
	hardBtn.setText(languageTexts[currentLanguage].hard);
	yesBtn.setText(languageTexts[currentLanguage].yes);
	noBtn.setText(languageTexts[currentLanguage].no);
	// Update winner/draw text if game is over
	if (gameOver && statusText.alpha > 0) {
		var currentText = statusText.text;
		// Check if current text matches any winner or draw text from either language
		var isBlueWin = currentText === languageTexts.tr.blueWin || currentText === languageTexts.en.blueWin;
		var isRedWin = currentText === languageTexts.tr.redWin || currentText === languageTexts.en.redWin;
		var isDraw = currentText === languageTexts.tr.draw || currentText === languageTexts.en.draw;
		if (isBlueWin) {
			statusText.setText(languageTexts[currentLanguage].blueWin);
		} else if (isRedWin) {
			statusText.setText(languageTexts[currentLanguage].redWin);
		} else if (isDraw) {
			statusText.setText(languageTexts[currentLanguage].draw);
		}
	}
}
// Start in menu mode
showMenu();
function updateTurnDisplay() {
	if (gameMode === 'menu' || gameOver) {
		blueTurnText.alpha = 0;
		redTurnText.alpha = 0;
	} else if (currentPlayer === 1) {
		blueTurnText.alpha = 1;
		redTurnText.alpha = 0;
	} else {
		blueTurnText.alpha = 0;
		redTurnText.alpha = 1;
	}
}
function showMenu() {
	gameMode = 'menu';
	gameBoard.alpha = 0;
	menuTitle.alpha = 1;
	vsAIBtn.alpha = 1;
	twoPlayerBtn.alpha = 1;
	// Enable main menu interactions
	vsAIBtn.interactive = true;
	twoPlayerBtn.interactive = true;
	blueTurnText.alpha = 0;
	redTurnText.alpha = 0;
	statusText.alpha = 0;
	playAgainBtn.alpha = 0;
	playAgainBtn.interactive = false;
	playAgainBg.alpha = 0;
	backBtn.alpha = 0;
	backBtn.interactive = false;
	exitBtn.alpha = 0;
	exitBtn.interactive = false;
	// Hide difficulty selection
	difficultyTitle.alpha = 0;
	easyBtn.alpha = 0;
	normalBtn.alpha = 0;
	hardBtn.alpha = 0;
	// Disable difficulty button interactions
	easyBtn.interactive = false;
	normalBtn.interactive = false;
	hardBtn.interactive = false;
	// Hide blocks
	// Stop any active animations on difficulty blocks
	tween.stop(easyBlock);
	tween.stop(normalBlock);
	tween.stop(hardBlock);
	easyBlock.alpha = 0;
	normalBlock.alpha = 0;
	hardBlock.alpha = 0;
	// Hide confirmation dialog
	confirmationBg.alpha = 0;
	confirmationText.alpha = 0;
	yesBtn.alpha = 0;
	noBtn.alpha = 0;
	// Disable confirmation dialog interactions
	yesBtn.interactive = false;
	noBtn.interactive = false;
}
function showDifficultySelection() {
	gameMode = 'difficulty';
	// Hide main menu
	menuTitle.alpha = 0;
	vsAIBtn.alpha = 0;
	twoPlayerBtn.alpha = 0;
	// Disable main menu interactions
	vsAIBtn.interactive = false;
	twoPlayerBtn.interactive = false;
	// Show difficulty selection
	difficultyTitle.alpha = 1;
	easyBtn.alpha = 1;
	normalBtn.alpha = 1;
	hardBtn.alpha = 1;
	backBtn.alpha = 1;
	// Enable difficulty button interactions
	easyBtn.interactive = true;
	normalBtn.interactive = true;
	hardBtn.interactive = true;
	backBtn.interactive = true;
	// Show and animate blocks
	easyBlock.alpha = 0.3;
	normalBlock.alpha = 0.3;
	hardBlock.alpha = 0.3;
	animateDifficultyBlocks();
}
function startGame(mode) {
	gameMode = mode;
	isAIMode = mode === 'ai';
	gameBoard.alpha = 1;
	menuTitle.alpha = 0;
	vsAIBtn.alpha = 0;
	twoPlayerBtn.alpha = 0;
	// Disable menu interactions
	vsAIBtn.interactive = false;
	twoPlayerBtn.interactive = false;
	// Hide difficulty selection
	difficultyTitle.alpha = 0;
	easyBtn.alpha = 0;
	normalBtn.alpha = 0;
	hardBtn.alpha = 0;
	// Disable difficulty button interactions
	easyBtn.interactive = false;
	normalBtn.interactive = false;
	hardBtn.interactive = false;
	// Hide blocks
	easyBlock.alpha = 0;
	normalBlock.alpha = 0;
	hardBlock.alpha = 0;
	// Hide confirmation dialog
	confirmationBg.alpha = 0;
	confirmationText.alpha = 0;
	yesBtn.alpha = 0;
	noBtn.alpha = 0;
	// Disable confirmation dialog interactions
	yesBtn.interactive = false;
	noBtn.interactive = false;
	// Hide back button in all game modes once game starts
	backBtn.alpha = 0;
	backBtn.interactive = false;
	exitBtn.alpha = 1;
	// Enable exit button interaction
	exitBtn.interactive = true;
	// In AI mode, player (1) always starts first
	if (isAIMode) {
		currentPlayer = 1;
	} else {
		// In two player mode, random start
		currentPlayer = Math.random() < 0.5 ? 1 : 2;
	}
	updateTurnDisplay();
}
function checkWin() {
	var winner = 0;
	var winPositions = [];
	// Check rows
	for (var row = 0; row < 3; row++) {
		if (grid[row][0].value !== 0 && grid[row][0].value === grid[row][1].value && grid[row][1].value === grid[row][2].value) {
			winner = grid[row][0].value;
			winPositions = [{
				row: row,
				col: 0
			}, {
				row: row,
				col: 1
			}, {
				row: row,
				col: 2
			}];
			break;
		}
	}
	// Check columns
	if (winner === 0) {
		for (var col = 0; col < 3; col++) {
			if (grid[0][col].value !== 0 && grid[0][col].value === grid[1][col].value && grid[1][col].value === grid[2][col].value) {
				winner = grid[0][col].value;
				winPositions = [{
					row: 0,
					col: col
				}, {
					row: 1,
					col: col
				}, {
					row: 2,
					col: col
				}];
				break;
			}
		}
	}
	// Check diagonals
	if (winner === 0) {
		if (grid[0][0].value !== 0 && grid[0][0].value === grid[1][1].value && grid[1][1].value === grid[2][2].value) {
			winner = grid[0][0].value;
			winPositions = [{
				row: 0,
				col: 0
			}, {
				row: 1,
				col: 1
			}, {
				row: 2,
				col: 2
			}];
		} else if (grid[0][2].value !== 0 && grid[0][2].value === grid[1][1].value && grid[1][1].value === grid[2][0].value) {
			winner = grid[0][2].value;
			winPositions = [{
				row: 0,
				col: 2
			}, {
				row: 1,
				col: 1
			}, {
				row: 2,
				col: 0
			}];
		}
	}
	if (winner !== 0) {
		gameOver = true;
		showWinner(winner, winPositions);
		return;
	}
	// Check for draw
	var isDraw = true;
	for (var r = 0; r < 3; r++) {
		for (var c = 0; c < 3; c++) {
			if (grid[r][c].value === 0) {
				isDraw = false;
				break;
			}
		}
		if (!isDraw) break;
	}
	if (isDraw) {
		gameOver = true;
		showDraw();
	}
}
function showWinner(winner, positions) {
	LK.getSound('win').play();
	var winnerText = winner === 1 ? languageTexts[currentLanguage].blueWin : languageTexts[currentLanguage].redWin;
	var winnerColor = 0x000000; // Black color
	statusText.setText(winnerText);
	statusText.fill = winnerColor;
	statusText.alpha = 1;
	blueTurnText.alpha = 0;
	redTurnText.alpha = 0;
	// Show win line
	winLine = gameBoard.addChild(new WinLine());
	var startPos = grid[positions[0].row][positions[0].col];
	var endPos = grid[positions[2].row][positions[2].col];
	var lineColor = winner === 1 ? 0x00aaff : 0xff4444;
	winLine.showWinLine(startPos.x, startPos.y, endPos.x, endPos.y, lineColor);
	// Show play again button with background
	playAgainBtn.interactive = true;
	tween(playAgainBg, {
		alpha: 0.9
	}, {
		duration: 500
	});
	tween(playAgainBtn, {
		alpha: 1
	}, {
		duration: 500
	});
	// Add pulsing animation to make it more prominent
	tween(playAgainBg, {
		scaleX: 1.1,
		scaleY: 1.1
	}, {
		duration: 800,
		easing: tween.easeInOut,
		repeat: -1,
		yoyo: true
	});
}
function showDraw() {
	statusText.setText(languageTexts[currentLanguage].draw);
	statusText.fill = 0x000000; // Black color
	statusText.alpha = 1;
	blueTurnText.alpha = 0;
	redTurnText.alpha = 0;
	// Show play again button with background
	playAgainBtn.interactive = true;
	tween(playAgainBg, {
		alpha: 0.9
	}, {
		duration: 500
	});
	tween(playAgainBtn, {
		alpha: 1
	}, {
		duration: 500
	});
	// Add pulsing animation to make it more prominent
	tween(playAgainBg, {
		scaleX: 1.1,
		scaleY: 1.1
	}, {
		duration: 800,
		easing: tween.easeInOut,
		repeat: -1,
		yoyo: true
	});
}
function makeAIMove() {
	if (gameOver || currentPlayer !== 2) return;
	// Extra validation for game state
	if (!isAIMode || gameMode !== 'ai') return;
	// Don't proceed if AI is already processing
	if (aiProcessing) return;
	// Set AI processing flag to prevent consecutive moves
	aiProcessing = true;
	// Add safety timeout to clear flag in case of errors
	var safetyTimeout = LK.setTimeout(function () {
		if (aiProcessing && !gameOver) {
			console.log("AI safety timeout triggered - clearing processing flag");
			aiProcessing = false; // Safety clear after 5 seconds
		}
	}, 5000);
	// Variable thinking time based on difficulty
	var minTime, maxTime;
	if (aiDifficulty === 'easy') {
		minTime = 300;
		maxTime = 800;
	} else if (aiDifficulty === 'normal') {
		minTime = 500;
		maxTime = 1200;
	} else {
		// hard
		minTime = 800;
		maxTime = 2000;
	}
	var thinkingTime = minTime + Math.floor(Math.random() * (maxTime - minTime));
	// Use setTimeout to yield frame and prevent blocking
	LK.setTimeout(function () {
		// Clear the safety timeout since we're now processing
		if (safetyTimeout) {
			LK.clearTimeout(safetyTimeout);
			safetyTimeout = null;
		}
		// Recheck game state after timeout - ensure AI flag is always cleared
		if (gameOver || currentPlayer !== 2 || !isAIMode || gameMode !== 'ai') {
			aiProcessing = false;
			return;
		}
		// Additional validation to prevent AI moves during player turn
		if (isAIMode && currentPlayer === 1) {
			aiProcessing = false;
			return;
		}
		// Extra safety check - if game state is invalid, clear flag
		if (!isAIMode || gameMode !== 'ai') {
			aiProcessing = false;
			return;
		}
		// Find best move using difficulty-specific strategy
		var bestMove = findBestMove();
		var moveSuccess = false;
		// Validate that we have a valid move and it's still empty
		if (bestMove && bestMove.value === 0) {
			// Validate coordinates are within bounds
			if (bestMove.row >= 0 && bestMove.row < 3 && bestMove.col >= 0 && bestMove.col < 3) {
				// Double check the cell is still valid before AI places marker
				var targetCell = grid[bestMove.row][bestMove.col];
				if (targetCell && targetCell.value === 0 && !gameOver && currentPlayer === 2 && !targetCell.marker) {
					if (targetCell.placeMarker(2, function () {
						// This callback runs after the AI marker animation completes
						checkWin();
						if (!gameOver) {
							currentPlayer = 1;
							updateTurnDisplay();
						}
						// Clear AI processing flag after move is complete
						aiProcessing = false;
					})) {
						moveSuccess = true;
					}
				}
			}
		}
		// If the best move failed for any reason, find any empty cell as fallback
		if (!moveSuccess && !gameOver && currentPlayer === 2) {
			var emptyCells = [];
			for (var row = 0; row < 3; row++) {
				for (var col = 0; col < 3; col++) {
					if (grid[row][col].value === 0 && !grid[row][col].marker) {
						emptyCells.push(grid[row][col]);
					}
				}
			}
			// Try to place marker on any empty cell
			if (emptyCells.length > 0) {
				var fallbackCell = emptyCells[Math.floor(Math.random() * emptyCells.length)];
				if (fallbackCell.placeMarker(2, function () {
					// This callback runs after the fallback AI marker animation completes
					checkWin();
					if (!gameOver) {
						currentPlayer = 1;
						updateTurnDisplay();
					}
					// Clear AI processing flag after move is complete
					aiProcessing = false;
				})) {
					moveSuccess = true;
				}
			}
		}
		// If no move was made, clear the processing flag
		if (!moveSuccess) {
			aiProcessing = false;
		}
	}, thinkingTime);
}
function findBestMove() {
	var emptyCells = [];
	var winningMoves = [];
	var blockingMoves = [];
	var forkMoves = [];
	var blockForkMoves = [];
	var cornerCells = [];
	var edgeCells = [];
	var validCells = [];
	// Collect all valid empty cells
	for (var row = 0; row < 3; row++) {
		for (var col = 0; col < 3; col++) {
			var cell = grid[row][col];
			if (cell && cell.value === 0) {
				emptyCells.push(cell);
				validCells.push(cell);
				// Categorize cell positions
				if ((row === 0 || row === 2) && (col === 0 || col === 2)) {
					cornerCells.push(cell);
				} else if (row === 1 && col === 1) {
					// Center cell - handled separately
				} else {
					edgeCells.push(cell);
				}
			}
		}
	}
	// Early exit if no valid moves
	if (validCells.length === 0) {
		return null;
	}
	// Ensure we always have at least one valid cell to return
	if (emptyCells.length === 0) {
		return null;
	}
	// Easy mode: Make deliberate mistakes and play suboptimally
	if (aiDifficulty === 'easy') {
		// 70% chance to make a completely random move
		if (Math.random() < 0.7) {
			return validCells[Math.floor(Math.random() * validCells.length)];
		}
		// 20% chance to avoid winning moves (make mistakes)
		if (Math.random() < 0.2) {
			var nonWinningMoves = [];
			for (var i = 0; i < emptyCells.length; i++) {
				var cell = emptyCells[i];
				cell.value = 2;
				if (!checkWinCondition(2)) {
					nonWinningMoves.push(cell);
				}
				cell.value = 0;
			}
			if (nonWinningMoves.length > 0) {
				return nonWinningMoves[Math.floor(Math.random() * nonWinningMoves.length)];
			}
		}
		// 10% chance to miss blocking player wins
		if (Math.random() < 0.1) {
			var nonBlockingMoves = [];
			for (var i = 0; i < emptyCells.length; i++) {
				var cell = emptyCells[i];
				cell.value = 1;
				if (!checkWinCondition(1)) {
					nonBlockingMoves.push(cell);
				}
				cell.value = 0;
			}
			if (nonBlockingMoves.length > 0) {
				return nonBlockingMoves[Math.floor(Math.random() * nonBlockingMoves.length)];
			}
		}
		// Default: play randomly from all valid moves
		return validCells[Math.floor(Math.random() * validCells.length)];
	}
	// Normal mode: Balanced play with occasional mistakes
	if (aiDifficulty === 'normal') {
		// Priority 1: Check if AI can win immediately (100% success rate for winning moves)
		for (var i = 0; i < emptyCells.length; i++) {
			var cell = emptyCells[i];
			cell.value = 2;
			if (checkWinCondition(2)) {
				cell.value = 0;
				// Always take winning move in normal mode
				return cell;
			}
			cell.value = 0;
		}
		// Priority 2: Block player from winning (98% success rate)
		for (var i = 0; i < emptyCells.length; i++) {
			var cell = emptyCells[i];
			cell.value = 1;
			if (checkWinCondition(1)) {
				cell.value = 0;
				// Block with 98% probability (2% miss chance for difficulty)
				if (Math.random() > 0.02) {
					return cell;
				}
			}
			cell.value = 0;
		}
		// Priority 3: Create forks (85% success rate)
		if (Math.random() < 0.85) {
			forkMoves = checkForFork(2);
			if (forkMoves.length > 0) {
				return forkMoves[0];
			}
		}
		// Priority 4: Block player forks (80% success rate)
		if (Math.random() < 0.8) {
			var playerForkMoves = checkForFork(1);
			if (playerForkMoves.length > 0) {
				// When player can create a fork, we need to be smart about blocking
				// If there's only one fork move, block it
				if (playerForkMoves.length === 1) {
					return playerForkMoves[0];
				} else {
					// Multiple fork possibilities - create a threat to force player to defend
					// Look for a move that creates a winning threat for us
					for (var i = 0; i < emptyCells.length; i++) {
						var cell = emptyCells[i];
						cell.value = 2;
						// Check if this creates a winning threat
						var createsThreats = false;
						for (var j = 0; j < emptyCells.length; j++) {
							if (i !== j) {
								var testCell = emptyCells[j];
								testCell.value = 2;
								if (checkWinCondition(2)) {
									createsThreats = true;
								}
								testCell.value = 0;
							}
						}
						cell.value = 0;
						// If this move creates a threat and blocks at least one fork path
						if (createsThreats) {
							return cell;
						}
					}
					// If no good counter-threat, block one of the fork moves
					return playerForkMoves[0];
				}
			}
		}
		// Priority 5: Basic strategy - prefer center and corners (70% of the time)
		if (Math.random() < 0.7) {
			var strategicMoves = [];
			// Center is most valuable
			if (grid[1][1].value === 0) {
				strategicMoves.push(grid[1][1]);
				strategicMoves.push(grid[1][1]); // Double weight for center
			}
			// Corners are second most valuable
			for (var i = 0; i < cornerCells.length; i++) {
				strategicMoves.push(cornerCells[i]);
			}
			if (strategicMoves.length > 0) {
				return strategicMoves[Math.floor(Math.random() * strategicMoves.length)];
			}
		}
		// Priority 6: If no strategic moves, ensure we always return a valid move
		if (emptyCells.length > 0) {
			return emptyCells[Math.floor(Math.random() * emptyCells.length)];
		}
	}
	// Advanced tactic evaluation functions
	function countWinningLines(row, col, player) {
		var count = 0;
		// Check row
		var rowCount = 0;
		for (var c = 0; c < 3; c++) {
			if (grid[row][c].value === player || c === col) {
				rowCount++;
			} else if (grid[row][c].value !== 0) {
				rowCount = -10; // Blocked
				break;
			}
		}
		if (rowCount === 3) count++;
		// Check column
		var colCount = 0;
		for (var r = 0; r < 3; r++) {
			if (grid[r][col].value === player || r === row) {
				colCount++;
			} else if (grid[r][col].value !== 0) {
				colCount = -10; // Blocked
				break;
			}
		}
		if (colCount === 3) count++;
		// Check diagonals
		if (row === 0 && col === 0 || row === 1 && col === 1 || row === 2 && col === 2) {
			var diagCount = 0;
			for (var i = 0; i < 3; i++) {
				if (grid[i][i].value === player || i === row && i === col) {
					diagCount++;
				} else if (grid[i][i].value !== 0) {
					diagCount = -10; // Blocked
					break;
				}
			}
			if (diagCount === 3) count++;
		}
		if (row === 0 && col === 2 || row === 1 && col === 1 || row === 2 && col === 0) {
			var antiDiagCount = 0;
			for (var i = 0; i < 3; i++) {
				if (grid[i][2 - i].value === player || i === row && 2 - i === col) {
					antiDiagCount++;
				} else if (grid[i][2 - i].value !== 0) {
					antiDiagCount = -10; // Blocked
					break;
				}
			}
			if (antiDiagCount === 3) count++;
		}
		return count;
	}
	// Evaluate move position strength
	function evaluatePosition(cell) {
		var score = 0;
		var row = cell.row;
		var col = cell.col;
		// Center is most valuable
		if (row === 1 && col === 1) score += 4;
		// Corners are second most valuable
		else if ((row === 0 || row === 2) && (col === 0 || col === 2)) score += 3;
		// Edges are least valuable
		else score += 1;
		// Check potential winning lines
		var potentialLines = countWinningLines(row, col, 2);
		score += potentialLines * 2;
		return score;
	}
	// Advanced position evaluation for hard mode AI
	function evaluateHardModePosition(cell) {
		var score = 0;
		var row = cell.row;
		var col = cell.col;
		// Base positional values with strategic weighting
		if (row === 1 && col === 1) {
			score += 15; // Center dominance
		} else if ((row === 0 || row === 2) && (col === 0 || col === 2)) {
			score += 12; // Corner control
		} else {
			score += 8; // Edge positions
		}
		// Evaluate line potential (how many lines this position affects)
		var linesControlled = 0;
		var lineValues = 0;
		// Check row control
		var rowEmpty = 0,
			rowAI = 0,
			rowPlayer = 0;
		for (var c = 0; c < 3; c++) {
			if (grid[row][c].value === 0) rowEmpty++;else if (grid[row][c].value === 2) rowAI++;else rowPlayer++;
		}
		if (rowPlayer === 0) {
			linesControlled++;
			lineValues += rowAI * 3 + rowEmpty;
		}
		// Check column control
		var colEmpty = 0,
			colAI = 0,
			colPlayer = 0;
		for (var r = 0; r < 3; r++) {
			if (grid[r][col].value === 0) colEmpty++;else if (grid[r][col].value === 2) colAI++;else colPlayer++;
		}
		if (colPlayer === 0) {
			linesControlled++;
			lineValues += colAI * 3 + colEmpty;
		}
		// Check main diagonal
		if (row === col) {
			var diagEmpty = 0,
				diagAI = 0,
				diagPlayer = 0;
			for (var i = 0; i < 3; i++) {
				if (grid[i][i].value === 0) diagEmpty++;else if (grid[i][i].value === 2) diagAI++;else diagPlayer++;
			}
			if (diagPlayer === 0) {
				linesControlled++;
				lineValues += diagAI * 3 + diagEmpty;
			}
		}
		// Check anti-diagonal
		if (row + col === 2) {
			var antiDiagEmpty = 0,
				antiDiagAI = 0,
				antiDiagPlayer = 0;
			for (var i = 0; i < 3; i++) {
				if (grid[i][2 - i].value === 0) antiDiagEmpty++;else if (grid[i][2 - i].value === 2) antiDiagAI++;else antiDiagPlayer++;
			}
			if (antiDiagPlayer === 0) {
				linesControlled++;
				lineValues += antiDiagAI * 3 + antiDiagEmpty;
			}
		}
		score += linesControlled * 6 + lineValues * 2;
		// Strategic pattern bonuses
		// Opposite corner control
		if (row === 0 && col === 0 && grid[2][2].value === 2 || row === 2 && col === 2 && grid[0][0].value === 2 || row === 0 && col === 2 && grid[2][0].value === 2 || row === 2 && col === 0 && grid[0][2].value === 2) {
			score += 8; // Diagonal dominance
		}
		// Adjacent to AI pieces (connection bonus)
		var adjacentAI = 0;
		var checkAdj = [{
			r: row - 1,
			c: col
		}, {
			r: row + 1,
			c: col
		}, {
			r: row,
			c: col - 1
		}, {
			r: row,
			c: col + 1
		}];
		for (var i = 0; i < checkAdj.length; i++) {
			var adj = checkAdj[i];
			if (adj.r >= 0 && adj.r < 3 && adj.c >= 0 && adj.c < 3) {
				if (grid[adj.r][adj.c].value === 2) adjacentAI++;
			}
		}
		score += adjacentAI * 4;
		return score;
	}
	// Check for forks (moves that create two winning threats)
	function checkForFork(player) {
		var forkCells = [];
		for (var i = 0; i < emptyCells.length; i++) {
			var cell = emptyCells[i];
			cell.value = player;
			var winningLineCount = 0;
			// Count how many winning moves this creates
			for (var j = 0; j < emptyCells.length; j++) {
				if (i !== j) {
					var testCell = emptyCells[j];
					testCell.value = player;
					if (checkWinCondition(player)) {
						winningLineCount++;
					}
					testCell.value = 0;
				}
			}
			cell.value = 0;
			if (winningLineCount >= 2) {
				forkCells.push(cell);
			}
		}
		return forkCells;
	}
	// Adjust strategy based on difficulty
	var aiPersonality = Math.floor(Math.random() * 8);
	var randomnessFactor = Math.random();
	// Difficulty-based mistake chances
	var winMissChance, blockMissChance, strategyQuality;
	if (aiDifficulty === 'easy') {
		// Easy mode doesn't need these values as it plays randomly
		winMissChance = 1.0; // Always miss winning moves (not that it matters)
		blockMissChance = 1.0; // Always miss blocking (not that it matters)
		strategyQuality = 0; // No strategic moves
		aiPersonality = -1; // No personality, just random
	} else if (aiDifficulty === 'normal') {
		winMissChance = 0.02; // 2% chance to miss winning move
		blockMissChance = 0.05; // 5% chance to miss blocking
		strategyQuality = 0.6; // Medium quality strategic moves
	} else {
		// hard - Perfect play with zero mistakes
		winMissChance = 0; // NEVER miss winning move
		blockMissChance = 0; // NEVER miss blocking moves  
		strategyQuality = 1.0; // Perfect strategic moves
		aiPersonality = Math.floor(Math.random() * 8); // Use all personalities for variety
	}
	// Hard mode AI - Perfect play with advanced strategy evaluation
	if (aiDifficulty === 'hard') {
		// Priority 1: ALWAYS win if possible (0% miss rate)
		for (var i = 0; i < emptyCells.length; i++) {
			var cell = emptyCells[i];
			cell.value = 2;
			if (checkWinCondition(2)) {
				cell.value = 0;
				return cell; // IMMEDIATELY take winning move - no randomness
			}
			cell.value = 0;
		}
		// Priority 2: ALWAYS block player wins (0% miss rate)
		for (var i = 0; i < emptyCells.length; i++) {
			var cell = emptyCells[i];
			cell.value = 1;
			if (checkWinCondition(1)) {
				cell.value = 0;
				return cell; // IMMEDIATELY block - no randomness
			}
			cell.value = 0;
		}
		// Priority 3: Create forks (multiple winning threats)
		forkMoves = checkForFork(2);
		if (forkMoves.length > 0) {
			return forkMoves[0]; // Take any fork opportunity
		}
		// Priority 4: Block player forks with counter-strategy
		var playerForkMoves = checkForFork(1);
		if (playerForkMoves.length > 0) {
			// If player can create multiple forks, create a counter-threat
			if (playerForkMoves.length > 1) {
				// Look for moves that force player to defend while blocking fork
				for (var i = 0; i < emptyCells.length; i++) {
					var cell = emptyCells[i];
					cell.value = 2;
					var threatsCreated = 0;
					for (var j = 0; j < emptyCells.length; j++) {
						if (i !== j) {
							var testCell = emptyCells[j];
							testCell.value = 2;
							if (checkWinCondition(2)) {
								threatsCreated++;
							}
							testCell.value = 0;
						}
					}
					cell.value = 0;
					if (threatsCreated > 0) {
						return cell; // Counter-threat to force defense
					}
				}
			}
			// Otherwise block the fork
			return playerForkMoves[0];
		}
		// Priority 5: Optimal opening strategy
		if (emptyCells.length === 9) {
			// First move: always take center or corner
			if (grid[1][1].value === 0) {
				return grid[1][1]; // Center is strongest opening
			} else {
				return cornerCells[0]; // Fallback to corner
			}
		}
		if (emptyCells.length === 8) {
			// Second move response
			if (grid[1][1].value === 1) {
				// Player took center, take any corner
				return cornerCells[0];
			} else {
				// Player took corner or edge, take center
				if (grid[1][1].value === 0) {
					return grid[1][1];
				}
			}
		}
		// Priority 6: Advanced positional strategy with minimax evaluation
		var bestMove = null;
		var bestScore = -1000;
		for (var i = 0; i < emptyCells.length; i++) {
			var cell = emptyCells[i];
			var score = evaluateHardModePosition(cell);
			// Add advanced tactical bonuses
			if (cell.row === 1 && cell.col === 1) score += 15; // Center control
			if ((cell.row === 0 || cell.row === 2) && (cell.col === 0 || cell.col === 2)) score += 12; // Corner control
			// Evaluate future position strength
			cell.value = 2;
			var futureThreats = 0;
			for (var j = 0; j < emptyCells.length; j++) {
				if (i !== j) {
					var testCell = emptyCells[j];
					testCell.value = 2;
					if (checkWinCondition(2)) futureThreats++;
					testCell.value = 0;
				}
			}
			score += futureThreats * 8; // Bonus for creating future threats
			cell.value = 0;
			if (score > bestScore) {
				bestScore = score;
				bestMove = cell;
			}
		}
		if (bestMove) {
			return bestMove;
		}
	}
	// Priority 3: Check for fork opportunities (based on difficulty)
	if (aiDifficulty !== 'easy' && randomnessFactor < strategyQuality) {
		forkMoves = checkForFork(2);
		if (forkMoves.length > 0 && randomnessFactor > 1 - strategyQuality) {
			return forkMoves[Math.floor(Math.random() * forkMoves.length)];
		}
	}
	// Priority 4: Block player forks (based on difficulty)
	if (aiDifficulty !== 'easy' && randomnessFactor < strategyQuality) {
		blockForkMoves = checkForFork(1);
		if (blockForkMoves.length > 0 && randomnessFactor > 1 - strategyQuality) {
			// Force player to defend instead of creating fork
			return blockForkMoves[Math.floor(Math.random() * blockForkMoves.length)];
		}
	}
	// Priority 5: Advanced tactical personalities
	var moveChoices = [];
	var moveScores = [];
	if (aiPersonality === 0) {
		// Perfect player - uses optimal strategy
		if (emptyCells.length === 9) {
			// First move: prefer corner
			moveChoices = cornerCells.slice();
		} else if (emptyCells.length === 8) {
			// Second move response
			if (grid[1][1].value === 1) {
				// Player took center, take corner
				moveChoices = cornerCells.slice();
			} else {
				// Player took corner or edge, take center
				if (grid[1][1].value === 0) {
					moveChoices.push(grid[1][1]);
				}
			}
		} else {
			// Evaluate all positions
			for (var i = 0; i < emptyCells.length; i++) {
				var score = evaluatePosition(emptyCells[i]);
				moveScores.push({
					cell: emptyCells[i],
					score: score
				});
			}
			moveScores.sort(function (a, b) {
				return b.score - a.score;
			});
			// Take top scoring moves
			var topScore = moveScores[0].score;
			for (var i = 0; i < moveScores.length; i++) {
				if (moveScores[i].score >= topScore - 1) {
					moveChoices.push(moveScores[i].cell);
				}
			}
		}
	} else if (aiPersonality === 1) {
		// Trap setter - tries to create winning patterns
		if (grid[1][1].value === 0) {
			moveChoices.push(grid[1][1]);
			moveChoices.push(grid[1][1]); // Double weight
		}
		// Look for L-shaped patterns
		if (grid[0][0].value === 2 && grid[2][2].value === 0) {
			moveChoices.push(grid[2][2]);
		}
		if (grid[0][2].value === 2 && grid[2][0].value === 0) {
			moveChoices.push(grid[2][0]);
		}
		// Add corners for trap potential
		if (cornerCells.length > 0) {
			moveChoices = moveChoices.concat(cornerCells);
		}
	} else if (aiPersonality === 2) {
		// Defensive player - blocks and controls center
		if (grid[1][1].value === 0) {
			moveChoices.push(grid[1][1]);
			moveChoices.push(grid[1][1]);
			moveChoices.push(grid[1][1]); // Triple weight for center
		}
		// Prefer moves that block multiple lines
		for (var i = 0; i < emptyCells.length; i++) {
			var blockCount = countWinningLines(emptyCells[i].row, emptyCells[i].col, 1);
			if (blockCount >= 2) {
				moveChoices.push(emptyCells[i]);
			}
		}
		if (moveChoices.length === 0 && cornerCells.length > 0) {
			moveChoices = cornerCells.slice();
		}
	} else if (aiPersonality === 3) {
		// Mirror player - plays symmetrically
		var playerMoves = [];
		for (var r = 0; r < 3; r++) {
			for (var c = 0; c < 3; c++) {
				if (grid[r][c].value === 1) {
					playerMoves.push({
						row: r,
						col: c
					});
				}
			}
		}
		if (playerMoves.length > 0) {
			var lastMove = playerMoves[playerMoves.length - 1];
			// Try to mirror across center
			var mirrorRow = 2 - lastMove.row;
			var mirrorCol = 2 - lastMove.col;
			if (grid[mirrorRow][mirrorCol].value === 0) {
				moveChoices.push(grid[mirrorRow][mirrorCol]);
				moveChoices.push(grid[mirrorRow][mirrorCol]); // Double weight
			}
		}
		// Add strategic positions
		if (grid[1][1].value === 0) {
			moveChoices.push(grid[1][1]);
		}
		if (cornerCells.length > 0) {
			moveChoices.push(cornerCells[Math.floor(Math.random() * cornerCells.length)]);
		}
	} else if (aiPersonality === 4) {
		// Edge control player - unusual but effective
		if (edgeCells.length > 0) {
			// Prefer edges that connect to existing pieces
			for (var i = 0; i < edgeCells.length; i++) {
				var edge = edgeCells[i];
				var adjacentAI = 0;
				// Check adjacent cells
				var checkPositions = [{
					r: edge.row - 1,
					c: edge.col
				}, {
					r: edge.row + 1,
					c: edge.col
				}, {
					r: edge.row,
					c: edge.col - 1
				}, {
					r: edge.row,
					c: edge.col + 1
				}];
				for (var j = 0; j < checkPositions.length; j++) {
					var pos = checkPositions[j];
					if (pos.r >= 0 && pos.r < 3 && pos.c >= 0 && pos.c < 3) {
						if (grid[pos.r][pos.c].value === 2) {
							adjacentAI++;
						}
					}
				}
				if (adjacentAI > 0) {
					moveChoices.push(edge);
					moveChoices.push(edge); // Double weight for connected edges
				}
			}
			if (moveChoices.length === 0) {
				moveChoices = edgeCells.slice();
			}
		}
		// Sometimes take center
		if (Math.random() < 0.3 && grid[1][1].value === 0) {
			moveChoices.push(grid[1][1]);
		}
	} else if (aiPersonality === 5) {
		// Chaos player - creates complex board states
		var complexityScore = [];
		for (var i = 0; i < emptyCells.length; i++) {
			var cell = emptyCells[i];
			// Calculate how many lines this move affects
			var linesAffected = 0;
			if (true) linesAffected++; // Row
			if (true) linesAffected++; // Column
			if (cell.row === cell.col || cell.row + cell.col === 2) {
				linesAffected++; // Diagonal
			}
			complexityScore.push({
				cell: cell,
				complexity: linesAffected
			});
		}
		// Prefer high complexity moves
		complexityScore.sort(function (a, b) {
			return b.complexity - a.complexity;
		});
		for (var i = 0; i < Math.min(3, complexityScore.length); i++) {
			moveChoices.push(complexityScore[i].cell);
		}
	} else if (aiPersonality === 6) {
		// Pattern player - follows specific winning patterns
		var patterns = [
		// Corner-opposite-corner
		[{
			r: 0,
			c: 0
		}, {
			r: 2,
			c: 2
		}], [{
			r: 0,
			c: 2
		}, {
			r: 2,
			c: 0
		}],
		// L-shapes
		[{
			r: 0,
			c: 0
		}, {
			r: 0,
			c: 2
		}], [{
			r: 0,
			c: 0
		}, {
			r: 2,
			c: 0
		}], [{
			r: 2,
			c: 2
		}, {
			r: 2,
			c: 0
		}], [{
			r: 2,
			c: 2
		}, {
			r: 0,
			c: 2
		}]];
		for (var p = 0; p < patterns.length; p++) {
			var pattern = patterns[p];
			var hasFirst = grid[pattern[0].r][pattern[0].c].value === 2;
			var secondEmpty = grid[pattern[1].r][pattern[1].c].value === 0;
			if (hasFirst && secondEmpty) {
				moveChoices.push(grid[pattern[1].r][pattern[1].c]);
				moveChoices.push(grid[pattern[1].r][pattern[1].c]); // Double weight
			}
		}
		// Default to smart positions
		if (moveChoices.length === 0) {
			if (grid[1][1].value === 0) {
				moveChoices.push(grid[1][1]);
			}
			if (cornerCells.length > 0) {
				moveChoices = moveChoices.concat(cornerCells);
			}
		}
	} else {
		// Adaptive player - changes strategy based on game state
		var gamePhase = 9 - emptyCells.length; // 0-8, higher = later
		if (gamePhase <= 2) {
			// Early game: control key positions
			if (grid[1][1].value === 0) {
				moveChoices.push(grid[1][1]);
				moveChoices.push(grid[1][1]);
			}
			if (cornerCells.length > 0) {
				moveChoices = moveChoices.concat(cornerCells);
			}
		} else if (gamePhase <= 5) {
			// Mid game: create threats
			for (var i = 0; i < emptyCells.length; i++) {
				var threatLevel = countWinningLines(emptyCells[i].row, emptyCells[i].col, 2);
				if (threatLevel >= 1) {
					moveChoices.push(emptyCells[i]);
					if (threatLevel >= 2) {
						moveChoices.push(emptyCells[i]); // Extra weight for multi-threats
					}
				}
			}
		} else {
			// Late game: optimize winning chances
			for (var i = 0; i < emptyCells.length; i++) {
				moveChoices.push(emptyCells[i]);
			}
		}
	}
	// Add calculated randomness
	if (Math.random() < 0.1) {
		// 10% chance to add unexpected move
		if (validCells.length > 0) {
			var randomCell = validCells[Math.floor(Math.random() * validCells.length)];
			moveChoices.push(randomCell);
		}
	}
	// If we have strategic choices, pick from them
	if (moveChoices.length > 0) {
		// Sometimes pick the most frequent choice (if duplicates exist)
		var choiceFrequency = {};
		for (var i = 0; i < moveChoices.length; i++) {
			var key = moveChoices[i].row + ',' + moveChoices[i].col;
			choiceFrequency[key] = (choiceFrequency[key] || 0) + 1;
		}
		// Create weighted selection
		var weightedChoices = [];
		for (var i = 0; i < moveChoices.length; i++) {
			weightedChoices.push(moveChoices[i]);
		}
		return weightedChoices[Math.floor(Math.random() * weightedChoices.length)];
	}
	// Easy mode already handled above with helpful logic
	// Final fallback: intelligent selection
	var fallbackChoices = [];
	// Prioritize based on position value (less strategic in easy mode)
	if (aiDifficulty !== 'easy' || Math.random() < 0.5) {
		if (grid[1][1].value === 0) {
			fallbackChoices.push(grid[1][1]);
		}
	}
	if (cornerCells.length > 0 && (aiDifficulty !== 'easy' || Math.random() < 0.6)) {
		fallbackChoices = fallbackChoices.concat(cornerCells);
	}
	if (edgeCells.length > 0 && (aiDifficulty === 'easy' || Math.random() < 0.3)) {
		fallbackChoices.push(edgeCells[Math.floor(Math.random() * edgeCells.length)]);
	}
	if (fallbackChoices.length === 0) {
		fallbackChoices = validCells;
	}
	if (fallbackChoices.length > 0) {
		return fallbackChoices[Math.floor(Math.random() * fallbackChoices.length)];
	}
	// Ultimate fallback: return first empty cell found
	for (var row = 0; row < 3; row++) {
		for (var col = 0; col < 3; col++) {
			if (grid[row][col].value === 0 && !grid[row][col].marker) {
				return grid[row][col];
			}
		}
	}
	// If still no valid move found, return any empty cell regardless of marker status
	for (var row = 0; row < 3; row++) {
		for (var col = 0; col < 3; col++) {
			if (grid[row][col].value === 0) {
				return grid[row][col];
			}
		}
	}
	return null;
}
function checkWinCondition(player) {
	// Check rows
	for (var row = 0; row < 3; row++) {
		if (grid[row][0].value === player && grid[row][1].value === player && grid[row][2].value === player) {
			return true;
		}
	}
	// Check columns
	for (var col = 0; col < 3; col++) {
		if (grid[0][col].value === player && grid[1][col].value === player && grid[2][col].value === player) {
			return true;
		}
	}
	// Check diagonals
	if (grid[0][0].value === player && grid[1][1].value === player && grid[2][2].value === player) {
		return true;
	}
	if (grid[0][2].value === player && grid[1][1].value === player && grid[2][0].value === player) {
		return true;
	}
	return false;
}
function resetGame() {
	gameOver = false;
	// Immediately clear AI processing to prevent stuck states
	aiProcessing = false;
	// Clear any pending AI timeouts
	LK.clearTimeout(); // Clear any pending timeouts
	// Stop all active tweens to prevent conflicts
	tween.stop();
	// Force clear any stuck AI state
	if (isAIMode && currentPlayer === 2) {
		currentPlayer = 1; // Reset to player's turn
	}
	// Start according to game mode
	if (gameMode === 'ai') {
		currentPlayer = 1; // Player always starts in AI mode
		isAIMode = true;
	} else if (gameMode === 'twoPlayer') {
		currentPlayer = Math.random() < 0.5 ? 1 : 2;
		isAIMode = false;
	} else {
		// Menu mode
		currentPlayer = 1;
		isAIMode = false;
	}
	// Clear grid
	for (var row = 0; row < 3; row++) {
		for (var col = 0; col < 3; col++) {
			var cell = grid[row][col];
			cell.value = 0;
			if (cell.marker) {
				// Stop any active tweens on marker before destroying
				tween.stop(cell.marker);
				// Reset marker properties to prevent visual glitches
				cell.marker.alpha = 0;
				cell.marker.scaleX = 1;
				cell.marker.scaleY = 1;
				cell.marker.tint = 0xffffff;
				cell.marker.rotation = 0;
				// Remove from parent before destroying
				if (cell.marker.parent) {
					cell.marker.parent.removeChild(cell.marker);
				}
				cell.marker.destroy();
				cell.marker = null;
			}
		}
	}
	// Clear UI
	statusText.setText('');
	statusText.alpha = 0;
	playAgainBtn.alpha = 0;
	playAgainBg.alpha = 0;
	// Stop any pulsing animation on play again button
	tween.stop(playAgainBg);
	tween.stop(playAgainBtn);
	playAgainBg.scaleX = 1;
	playAgainBg.scaleY = 1;
	playAgainBtn.interactive = false;
	// Remove win line
	if (winLine) {
		// Stop any active tweens on win line to prevent memory leaks
		tween.stop(winLine.line);
		tween.stop(winLine); // Stop any tweens on the container too
		// Reset line properties before destroying
		winLine.line.alpha = 0;
		winLine.line.scaleX = 0;
		winLine.line.tint = 0xffffff; // Reset tint
		// Remove from parent before destroying
		if (winLine.parent) {
			winLine.parent.removeChild(winLine);
		}
		winLine.destroy();
		winLine = null;
	}
	updateTurnDisplay();
}
// Play again button handler
playAgainBtn.down = function (x, y, obj) {
	if (gameOver) {
		resetGame();
	}
};
// Add small delay to prevent initial freeze when entering game
var gameReady = false;
LK.setTimeout(function () {
	gameReady = true;
}, 50); // Reduced delay for better responsiveness