/**** 
* Classes
****/ 
var Cell = Container.expand(function (type, totalTypes) {
	var self = Container.call(this);
	self.targetX = 0;
	self.targetY = 0;
	self.isMoving = false;
	self.totalTypes = totalTypes;
	self.type = typeof type === 'undefined' ? Math.floor(Math.random() * self.totalTypes) : type;
	var assetName = 'cellType' + self.type;
	var cellBackground = self.attachAsset('cellBackground', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	cellBackground.alpha = 0;
	var cellGraphics = self.createAsset(assetName, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self._move_migrated = function (x, y, instant) {
		self.targetX = x;
		self.targetY = y;
		if (instant) {
			self.x = x;
			self.y = y;
		}
	};
	self.tick = function () {
		var acceleration = 2;
		self.speedX = self.speedX || 0;
		self.speedY = self.speedY || 0;
		var threshold = 1;
		var dx = self.targetX - self.x;
		var dy = self.targetY - self.y;
		if (Math.abs(dx) < threshold && Math.abs(dy) < threshold) {
			self.x = self.targetX;
			self.y = self.targetY;
			self.isMoving = false;
			self.speedX = 0;
			self.speedY = 0;
		} else {
			if (dx !== 0) {
				self.speedX += dx > 0 ? acceleration : -acceleration;
			}
			if (dy !== 0) {
				self.speedY += dy > 0 ? acceleration : -acceleration;
			}
			var nextX = self.x + self.speedX;
			var nextY = self.y + self.speedY;
			if (self.speedX > 0 && nextX > self.targetX || self.speedX < 0 && nextX < self.targetX) {
				nextX = self.targetX;
				self.speedX = 0;
				LK.getSound('bounce').play();
			}
			if (self.speedY > 0 && nextY > self.targetY || self.speedY < 0 && nextY < self.targetY) {
				nextY = self.targetY;
				self.speedY = 0;
				LK.getSound('bounce').play();
			}
			self.x = nextX;
			self.y = nextY;
			self.isMoving = self.x !== self.targetX || self.y !== self.targetY;
		}
	};
});
var Heart = Container.expand(function () {
	var self = Container.call(this);
	var heartBackground = self.attachAsset('heartBackground', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	heartBackground.blendMode = 1;
	var heartGraphics = self.attachAsset('heart', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
var HomeScreen = Container.expand(function () {
	var self = Container.call(this);
	// Add candy land background
	var background = self.attachAsset('candyLandBackground', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	background.alpha = 0.7;
	// Create title text
	var titleText = new Text2("CANDY MATCH", {
		size: 180,
		fill: 0xFFFFFF,
		weight: '800',
		dropShadow: true,
		dropShadowColor: '#000000',
		dropShadowBlur: 4,
		dropShadowAngle: Math.PI / 6,
		dropShadowDistance: 9,
		stroke: '#000000',
		strokeThickness: 12
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.y = -300;
	self.addChild(titleText);
	// Create play button
	var playButton = new Container();
	var buttonBg = LK.getAsset('cellBackground', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2.5,
		scaleY: 1.2
	});
	buttonBg.tint = 0x4d9e53;
	var playText = new Text2("PLAY", {
		size: 100,
		fill: 0xFFFFFF,
		weight: '800'
	});
	playText.anchor.set(0.5, 0.5);
	playButton.addChild(buttonBg);
	playButton.addChild(playText);
	playButton.y = 100;
	// Add button press events
	playButton.interactive = true;
	playButton.on('down', function () {
		buttonBg.tint = 0x377a3c;
		playButton.y += 5;
	});
	playButton.on('up', function () {
		buttonBg.tint = 0x4d9e53;
		playButton.y -= 5;
		self.onPlayPressed();
	});
	self.addChild(playButton);
	// Create candy decorations around the screen
	var candyCount = 16;
	for (var i = 0; i < candyCount; i++) {
		var candyType = i % 8;
		var candy = LK.getAsset('cellType' + candyType, {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 0.8,
			scaleY: 0.8
		});
		var angle = i / candyCount * Math.PI * 2;
		var radius = 600;
		candy.x = Math.cos(angle) * radius;
		candy.y = Math.sin(angle) * radius - 100;
		// Add rotation animation
		var rotationSpeed = Math.random() * 0.02 - 0.01;
		candy.rotationSpeed = rotationSpeed;
		candy.orbit = angle;
		candy.orbitSpeed = 0.003 + Math.random() * 0.002;
		candy.update = function () {
			this.rotation += this.rotationSpeed;
			this.orbit += this.orbitSpeed;
			this.x = Math.cos(this.orbit) * radius;
			this.y = Math.sin(this.orbit) * radius - 100;
		};
		self.addChild(candy);
	}
	// Add floating candy particles
	for (var i = 0; i < 20; i++) {
		var particle = LK.getAsset('particle', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 0.5 + Math.random() * 0.5,
			scaleY: 0.5 + Math.random() * 0.5
		});
		// Random colors for candy particles
		var colors = [0xF06292, 0x9575CD, 0x4FC3F7, 0x81C784, 0xFFD54F, 0xFF8A65];
		particle.tint = colors[Math.floor(Math.random() * colors.length)];
		// Random position within screen bounds
		particle.x = (Math.random() - 0.5) * 1800;
		particle.y = (Math.random() - 0.5) * 1800;
		// Random movement pattern
		particle.speedX = (Math.random() - 0.5) * 2;
		particle.speedY = (Math.random() - 0.5) * 2;
		particle.update = function () {
			this.x += this.speedX;
			this.y += this.speedY;
			// Bounce off invisible boundaries
			if (Math.abs(this.x) > 900) {
				this.speedX *= -1;
			}
			if (Math.abs(this.y) > 900) {
				this.speedY *= -1;
			}
		};
		self.addChild(particle);
	}
	// Callback for when play button is pressed
	self.onPlayPressed = function () {
		self.destroy();
		game.startGame();
	};
	// Update function for animations
	self.update = function () {
		for (var i = 0; i < self.children.length; i++) {
			var child = self.children[i];
			if (child.update) {
				child.update();
			}
		}
	};
	return self;
});
var LifeIndicator = Container.expand(function (initialLives) {
	var self = Container.call(this);
	LifeIndicator.prototype.triggerLifeLostParticles = function (x, y) {
		var particleColors = [0xff0000, 0xff4500, 0xff6347];
		for (var i = 0; i < 5; i++) {
			var color = particleColors[Math.floor(Math.random() * particleColors.length)];
			var particle = new Particle(color, 0);
			particle.x = x;
			particle.y = y;
			particles.push(particle);
			this.addChild(particle);
		}
	};
	self.lives = initialLives;
	self.hearts = [];
	var heartWidth = 110;
	var totalWidth = (self.lives - 1) * (heartWidth + 10);
	var startX = -totalWidth / 2;
	for (var i = 0; i < self.lives; i++) {
		var heart = new Heart();
		heart.x = startX + i * (heartWidth + 10);
		self.hearts.push(heart);
		self.addChild(heart);
	}
	self.updateLives = function (lives) {
		lives = Math.max(0, lives);
		while (self.hearts.length > lives) {
			var heart = self.hearts.pop();
			if (heart) {
				self.triggerLifeLostParticles(heart.x, heart.y);
				heart.destroy();
			}
		}
		while (self.hearts.length < lives) {
			var newHeart = new Heart();
			var heartWidth = 100;
			newHeart.x = startX + self.hearts.length * (heartWidth + 10);
			self.hearts.push(newHeart);
			self.addChild(newHeart);
		}
		self.lives = lives;
	};
});
var Particle = Container.expand(function (color, gravityMultiplier) {
	var self = Container.call(this);
	gravityMultiplier = typeof gravityMultiplier === 'undefined' ? 1 : gravityMultiplier;
	self.gravityMultiplier = gravityMultiplier;
	self.graphics = self.attachAsset('particle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.graphics.tint = color;
	self.speedX = (Math.random() - 0.5) * 10;
	self.speedY = (Math.random() - 0.5) * 10;
	self.scaleX = self.scaleY = Math.random() * 0.5 + 0.5;
	self.alpha = 1;
	self.tick = function () {
		self.x += self.speedX;
		self.speedY += 0.7 * self.gravityMultiplier;
		self.y += self.speedY;
		self.alpha -= 0.02;
		if (self.alpha <= 0) {
			var index = particles.indexOf(self);
			if (index > -1) {
				particles.splice(index, 1);
			}
			self.destroy();
		}
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x4e338c
});

/**** 
* Game Code
****/ 
function hsvToRgb(h, s, v) {
	var i = Math.floor(h * 6),
		f = h * 6 - i,
		p = v * (1 - s),
		q = v * (1 - f * s),
		t = v * (1 - (1 - f) * s),
		mod = i % 6,
		r = [v, q, p, p, t, v][mod],
		g = [t, v, v, q, p, p][mod],
		b = [p, p, t, v, v, q][mod];
	return (r * 255 << 16) + (g * 255 << 8) + b * 255;
}
var particles = [];
var homeScreen;
var isGameStarted = false;
// Create home screen at start
function showHomeScreen() {
	homeScreen = new HomeScreen();
	homeScreen.x = 2048 / 2;
	homeScreen.y = 2732 / 2;
	game.addChild(homeScreen);
}
// Initialize home screen when game starts
showHomeScreen();
game.startGame = function () {
	isGameStarted = true;
	// Remove the background that may have been added in the home screen
	game.removeChildren();
	// Initialize game components
	game.initializeGameComponents();
};
game.initializeGameComponents = function () {
	var background = game.attachAsset('background', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	background.x = 2048 / 2;
	background.y = 2732 / 2;
	game.addChild(background);
	// Initialize grid container and board
	gridContainer = new Container();
	game.addChild(gridContainer);
	boardBackground = game.attachAsset('boardBackground', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	boardBackground.alpha = 0.7;
	gridContainer.addChildAt(boardBackground, 0);
	var totalGridWidth = gridWidth * (cellWidth + gridSpacing) - gridSpacing;
	var totalGridHeight = gridHeight * (cellHeight + gridSpacing) - gridSpacing;
	gridContainer.x = (2048 - totalGridWidth) / 2 + cellWidth / 2 + 3;
	gridContainer.y = (2732 - totalGridHeight) / 2 + cellHeight / 2 + 90;
	boardBackground.x = totalGridWidth / 2 - cellWidth / 2;
	boardBackground.y = totalGridHeight / 2 - cellHeight / 2 + 30;
	// Initialize score text
	scoreText = new Text2(score.toString(), {
		size: 150,
		fill: 0xFFFFFF,
		weight: '800',
		dropShadow: true,
		dropShadowColor: '#000000',
		dropShadowBlur: 4,
		dropShadowAngle: Math.PI / 6,
		dropShadowDistance: 9,
		stroke: '#000000',
		strokeThickness: 12
	});
	scoreText.anchor.set(.5, 0);
	LK.gui.top.addChild(scoreText);
	// Initialize life indicator
	lifeIndicator = new LifeIndicator(3);
	lifeIndicator.y = 260;
	LK.gui.top.addChild(lifeIndicator);
	// Initialize grid
	for (var i = 0; i < gridWidth; i++) {
		grid[i] = [];
		for (var j = 0; j < gridHeight; j++) {
			var cell = new Cell(undefined, game.totalCellTypes);
			var targetPos = game.calculateTargetPosition(i, j);
			cell._move_migrated(targetPos.x, targetPos.y, true);
			game.attachCellListeners(cell);
			grid[i][j] = cell;
			gridContainer.addChild(cell);
		}
	}
};
game.createParticleEffect = function (x, y, type) {
	var fixedColors = [0x82d756, 0x5ecde9, 0xf8a4a0, 0x921d2a, 0x7719f9, 0xffffff, 0xefa63b, 0x7dd6a4];
	var color = fixedColors[type % fixedColors.length];
	for (var i = 0; i < 10; i++) {
		var particle = new Particle(color);
		particle.x = x + gridContainer.x;
		particle.y = y + gridContainer.y;
		particles.push(particle);
		this.addChild(particle);
	}
};
game.totalCellTypes = 2;
var score = 0;
game.hasPossibleMoves = function () {
	for (var col = 0; col < gridWidth; col++) {
		for (var row = 0; row < gridHeight; row++) {
			var cell = grid[col][row];
			if (cell) {
				var neighbors = [{
					x: col - 1,
					y: row
				}, {
					x: col + 1,
					y: row
				}, {
					x: col,
					y: row - 1
				}, {
					x: col,
					y: row + 1
				}];
				for (var i = 0; i < neighbors.length; i++) {
					var pos = neighbors[i];
					if (pos.x >= 0 && pos.x < gridWidth && pos.y >= 0 && pos.y < gridHeight) {
						var neighborCell = grid[pos.x][pos.y];
						if (neighborCell && neighborCell.type === cell.type) {
							return true;
						}
					}
				}
			}
		}
	}
	return false;
};
game.resetBoard = function () {
	grid.forEach(function (column, colIndex) {
		column.forEach(function (cell, rowIndex) {
			if (cell) {
				game.deleteCell(cell);
			}
			var newCell = new Cell(undefined, game.totalCellTypes);
			var targetPos = game.calculateTargetPosition(colIndex, rowIndex);
			newCell._move_migrated(targetPos.x, targetPos.y, true);
			game.attachCellListeners(newCell);
			newCell.y = -100;
			grid[colIndex][rowIndex] = newCell;
			gridContainer.addChild(newCell);
		});
	});
};
// Background is created in initializeGameComponents
// Game element definitions
var gridWidth = 8;
var gridHeight = 8;
var gridSpacing = 8;
var cellWidth = 200;
var cellHeight = 200;
var gridContainer;
var boardBackground;
var grid = [];
var scoreText;
var lifeIndicator;
game.calculateTargetPosition = function (col, row) {
	return {
		x: col * (cellWidth + gridSpacing),
		y: row * (cellHeight + gridSpacing)
	};
};
game.findConnectedNeighbors = function (cell, connectedNeighbors) {
	connectedNeighbors = connectedNeighbors || [];
	if (!cell) {
		return [];
	}
	var cellType = cell.type;
	var cellColRow = game.findCellColRow(cell);
	if (cellColRow) {
		var directions = [[-1, 0], [1, 0], [0, -1], [0, 1]];
		directions.forEach(function (dir) {
			var newRow = cellColRow.row + dir[0];
			var newCol = cellColRow.col + dir[1];
			if (newRow >= 0 && newRow < gridHeight && newCol >= 0 && newCol < gridWidth) {
				var neighborCell = grid[newCol][newRow];
				if (neighborCell && neighborCell.type === cellType && connectedNeighbors.indexOf(neighborCell) === -1) {
					connectedNeighbors.push(neighborCell);
					game.findConnectedNeighbors(neighborCell, connectedNeighbors);
				}
			}
		});
	}
	return connectedNeighbors;
};
game.findCellColRow = function (cell) {
	for (var col = 0; col < gridWidth; col++) {
		for (var row = 0; row < gridHeight; row++) {
			if (grid[col][row] === cell) {
				return {
					col: col,
					row: row
				};
			}
		}
	}
	return null;
};
game.deleteCell = function (cell) {
	var colRow = game.findCellColRow(cell);
	if (colRow) {
		grid[colRow.col][colRow.row] = null;
		game.createParticleEffect(cell.x, cell.y, cell.type);
		cell.destroy();
	}
};
game.attachCellListeners = function (cell) {
	cell.on('down', function (x, y, obj) {
		var connectedNeighbors = game.findConnectedNeighbors(cell);
		if (connectedNeighbors.length > 0) {
			score += 10 * connectedNeighbors.length + (connectedNeighbors.length - 2) * 5;
			LK.setScore(score);
			scoreText.setText(score.toString());
			var cellsToDestroy = [cell].concat(connectedNeighbors);
			cellsToDestroy.forEach(function (cell) {
				game.deleteCell(cell);
			});
			game.moveToEmptySpace('down', false);
			game.moveToEmptySpace('left', true);
			LK.getSound('pop').play();
		} else {
			// If no matches are found, lose a life
			lifeIndicator.updateLives(lifeIndicator.lives - 1);
			// Check if game is over
			if (lifeIndicator.lives <= 0) {
				LK.getSound('gameOverJingle').play();
				LK.showGameOver();
			}
		}
	});
	cell.on('up', function (x, y, obj) {});
	cell.on('move', function (x, y, obj) {});
};
// Grid is initialized in the startGame method
game.moveToEmptySpace = function (direction, rowMode) {
	var moved;
	do {
		moved = false;
		var dx = direction === 'left' ? 1 : direction === 'right' ? -1 : 0;
		var dy = direction === 'up' ? 1 : direction === 'down' ? -1 : 0;
		for (var col = 0; col < gridWidth; col++) {
			for (var row = 0; row < gridHeight; row++) {
				if (!grid[col][row]) {
					var isRowOrColumnEmpty = true;
					if (rowMode) {
						for (var checkIndex = 0; checkIndex < (direction === 'left' || direction === 'right' ? gridHeight : gridWidth); checkIndex++) {
							isRowOrColumnEmpty = isRowOrColumnEmpty && !grid[direction === 'left' || direction === 'right' ? col : checkIndex][direction === 'up' || direction === 'down' ? row : checkIndex];
						}
					}
					if (isRowOrColumnEmpty) {
						if (rowMode) {
							for (var checkIndex = 0; checkIndex < (direction === 'left' || direction === 'right' ? gridHeight : gridWidth); checkIndex++) {
								var targetCol = direction === 'left' || direction === 'right' ? col : checkIndex;
								var targetRow = direction === 'up' || direction === 'down' ? row : checkIndex;
								if (targetCol + dx >= 0 && targetCol + dx < gridWidth && targetRow + dy >= 0 && targetRow + dy < gridHeight && grid[targetCol + dx][targetRow + dy]) {
									var targetCell = grid[targetCol + dx][targetRow + dy];
									var targetPos = game.calculateTargetPosition(targetCol, targetRow);
									targetCell._move_migrated(targetPos.x, targetPos.y);
									grid[targetCol][targetRow] = targetCell;
									grid[targetCol + dx][targetRow + dy] = null;
									moved = true;
								}
							}
						} else {
							var targetCol = col + dx;
							var targetRow = row + dy;
							if (targetCol >= 0 && targetCol < gridWidth && targetRow >= 0 && targetRow < gridHeight && grid[targetCol][targetRow]) {
								var targetCell = grid[targetCol][targetRow];
								var targetPos = game.calculateTargetPosition(col, row);
								targetCell._move_migrated(targetPos.x, targetPos.y);
								grid[col][row] = targetCell;
								grid[targetCol][targetRow] = null;
								moved = true;
							}
						}
					}
				}
			}
		}
	} while (moved);
};
LK.on('tick', function () {
	// Update home screen if it exists
	if (homeScreen && !isGameStarted) {
		homeScreen.update();
		return;
	}
	// Only run game logic if game has started
	if (isGameStarted) {
		for (var i = 0; i < gridWidth; i++) {
			for (var j = 0; j < gridHeight; j++) {
				if (grid[i][j]) {
					grid[i][j].tick();
				}
			}
		}
		// Update all particles
		for (var i = particles.length - 1; i >= 0; i--) {
			particles[i].tick();
		}
		var cellsAreMoving = grid.some(function (column) {
			return column.some(function (cell) {
				return cell && cell.isMoving;
			});
		});
		if (!cellsAreMoving && !game.hasPossibleMoves()) {
			game.totalCellTypes = Math.min(8, 3 + Math.floor(score / 2000));
			var tilesLeft = grid.reduce(function (acc, column) {
				return acc + column.filter(function (cell) {
					return cell !== null;
				}).length;
			}, 0);
			lifeIndicator.updateLives(lifeIndicator.lives - tilesLeft);
			if (lifeIndicator.lives <= 0) {
				LK.getSound('gameOverJingle').play();
				LK.showGameOver();
			} else {
				game.resetBoard();
			}
		}
	}
});