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

/**** 
* Classes
****/ 
var Ball = Container.expand(function () {
	var self = Container.call(this);
	var ballShadow = self.attachAsset('ballShadow', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	ballShadow.alpha = 0.5;
	ballShadow.y = 8; // Offset shadow below ball for heavier appearance
	var ballGraphics = self.attachAsset('ball', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityX = 0;
	self.velocityY = 0;
	self.gravity = 1.2; // Stronger gravity for realistic falling
	self.airResistance = 0.995; // Air resistance instead of friction
	self.bounceForce = 0.8; // More realistic bounce with gravity
	self.maxSpeed = 20;
	self.mass = 1.0; // Add mass for realistic physics
	self.update = function () {
		// Apply realistic gravity acceleration
		self.velocityY += self.gravity;
		// Apply air resistance to horizontal movement only
		self.velocityX *= self.airResistance;
		// No air resistance on vertical movement to allow proper falling
		// Natural velocity dampening (no artificial cutoffs)
		var currentSpeed = Math.sqrt(self.velocityX * self.velocityX + self.velocityY * self.velocityY);
		// Limit max speed with realistic scaling
		if (currentSpeed > self.maxSpeed) {
			var scale = self.maxSpeed / currentSpeed;
			self.velocityX *= scale;
			self.velocityY *= scale;
		}
		// Store last position for impact detection
		if (self.lastY === undefined) self.lastY = self.y;
		var wasMovingDown = self.velocityY > 0;
		// Apply velocity directly for natural gravity-based movement
		self.x += self.velocityX;
		self.y += self.velocityY;
		// Ball remains rigid - no landing effects
		self.lastY = self.y;
		// Check maze boundaries and collisions
		checkBallCollisions();
	};
	self.addForce = function (forceX, forceY) {
		// Apply force based on mass (F = ma, so a = F/m)
		var accelerationX = forceX / self.mass;
		var accelerationY = forceY / self.mass;
		// Add to velocity (realistic momentum)
		self.velocityX += accelerationX;
		self.velocityY += accelerationY;
		// Stop any existing movement tweens to prevent conflicts
		tween.stop(self, {
			x: true,
			y: true
		});
	};
	return self;
});
var MazeCell = Container.expand(function (cellType) {
	var self = Container.call(this);
	self.cellType = cellType || 'wall';
	var cellGraphics;
	if (self.cellType === 'wall') {
		cellGraphics = self.attachAsset('wall', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	} else if (self.cellType === 'path') {
		cellGraphics = self.attachAsset('path', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	} else if (self.cellType === 'blackhole') {
		cellGraphics = self.attachAsset('blackhole', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	}
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x222222
});

/**** 
* Game Code
****/ 
// Add background
var background = game.addChild(LK.getAsset('background', {
	x: 0,
	y: 0,
	width: 2048,
	height: 2732
}));
var ball;
var maze = [];
var mazeWidth = 20;
var mazeHeight = 30;
var cellSize = 60;
var mazeContainer;
var blackholeX, blackholeY;
var timeLeft = 60;
var gameWon = false;
// UI Elements
var timerText = new Text2('60', {
	size: 80,
	fill: 0xFFFFFF
});
timerText.anchor.set(0.5, 0);
LK.gui.top.addChild(timerText);
var scoreText = new Text2('Level: 1', {
	size: 60,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0, 0);
scoreText.x = 150;
scoreText.y = 20;
LK.gui.topLeft.addChild(scoreText);
// Initialize maze container
mazeContainer = game.addChild(new Container());
mazeContainer.x = (2048 - mazeWidth * cellSize) / 2;
mazeContainer.y = (2732 - mazeHeight * cellSize) / 2;
// Generate initial maze
function generateMaze() {
	// Clear existing maze
	for (var i = 0; i < maze.length; i++) {
		for (var j = 0; j < maze[i].length; j++) {
			if (maze[i][j]) {
				maze[i][j].destroy();
			}
		}
	}
	maze = [];
	// Initialize maze grid (all walls initially)
	var mazeGrid = [];
	for (var y = 0; y < mazeHeight; y++) {
		mazeGrid[y] = [];
		maze[y] = [];
		for (var x = 0; x < mazeWidth; x++) {
			// 0 = wall, 1 = path, 2 = visited
			mazeGrid[y][x] = 0;
			maze[y][x] = null;
		}
	}
	// Recursive backtracking maze generation
	var stack = [];
	var currentX = 1;
	var currentY = 1;
	mazeGrid[currentY][currentX] = 1; // Mark starting cell as path
	stack.push({
		x: currentX,
		y: currentY
	});
	while (stack.length > 0) {
		var neighbors = [];
		var directions = [{
			x: 0,
			y: -2
		},
		// North
		{
			x: 2,
			y: 0
		},
		// East
		{
			x: 0,
			y: 2
		},
		// South
		{
			x: -2,
			y: 0
		} // West
		];
		// Find unvisited neighbors
		for (var i = 0; i < directions.length; i++) {
			var nx = currentX + directions[i].x;
			var ny = currentY + directions[i].y;
			if (nx > 0 && nx < mazeWidth - 1 && ny > 0 && ny < mazeHeight - 1 && mazeGrid[ny][nx] === 0) {
				neighbors.push({
					x: nx,
					y: ny,
					dir: directions[i]
				});
			}
		}
		if (neighbors.length > 0) {
			// Choose random neighbor
			var randomNeighbor = neighbors[Math.floor(Math.random() * neighbors.length)];
			var nextX = randomNeighbor.x;
			var nextY = randomNeighbor.y;
			var wallX = currentX + randomNeighbor.dir.x / 2;
			var wallY = currentY + randomNeighbor.dir.y / 2;
			// Remove wall between current and next cell
			mazeGrid[wallY][wallX] = 1;
			mazeGrid[nextY][nextX] = 1;
			// Move to next cell
			currentX = nextX;
			currentY = nextY;
			stack.push({
				x: currentX,
				y: currentY
			});
		} else {
			// Backtrack
			var prev = stack.pop();
			if (stack.length > 0) {
				currentX = stack[stack.length - 1].x;
				currentY = stack[stack.length - 1].y;
			}
		}
	}
	// Add some random openings for better gameplay
	for (var y = 2; y < mazeHeight - 2; y += 2) {
		for (var x = 2; x < mazeWidth - 2; x += 2) {
			if (Math.random() < 0.15) {
				// Create random opening
				var openingDirs = [{
					x: 1,
					y: 0
				}, {
					x: -1,
					y: 0
				}, {
					x: 0,
					y: 1
				}, {
					x: 0,
					y: -1
				}];
				var randomDir = openingDirs[Math.floor(Math.random() * openingDirs.length)];
				var openX = x + randomDir.x;
				var openY = y + randomDir.y;
				if (openX > 0 && openX < mazeWidth - 1 && openY > 0 && openY < mazeHeight - 1) {
					mazeGrid[openY][openX] = 1;
				}
			}
		}
	}
	// Create visual maze from grid
	for (var y = 0; y < mazeHeight; y++) {
		for (var x = 0; x < mazeWidth; x++) {
			var cellType = mazeGrid[y][x] === 1 ? 'path' : 'wall';
			var cell = new MazeCell(cellType);
			cell.x = x * cellSize + cellSize / 2;
			cell.y = y * cellSize + cellSize / 2;
			maze[y][x] = cell;
			mazeContainer.addChild(cell);
		}
	}
	// Place black hole exit
	placeBlackHole();
}
function placeBlackHole() {
	// Find all path cells in the bottom areas of the maze
	var pathCells = [];
	// Start from bottom and work upward to find suitable path cells
	// Ensure we stay within maze bounds
	for (var y = Math.max(1, mazeHeight - 6); y <= Math.min(mazeHeight - 2, mazeHeight - 1); y++) {
		for (var x = 1; x < mazeWidth - 1; x++) {
			// Additional boundary check
			if (x >= 0 && x < mazeWidth && y >= 0 && y < mazeHeight && maze[y] && maze[y][x] && maze[y][x].cellType === 'path') {
				// Count how many neighboring cells are paths
				var neighborCount = 0;
				var directions = [{
					x: 0,
					y: -1
				}, {
					x: 1,
					y: 0
				}, {
					x: 0,
					y: 1
				}, {
					x: -1,
					y: 0
				}];
				for (var i = 0; i < directions.length; i++) {
					var nx = x + directions[i].x;
					var ny = y + directions[i].y;
					if (nx >= 0 && nx < mazeWidth && ny >= 0 && ny < mazeHeight && maze[ny] && maze[ny][nx] && maze[ny][nx].cellType === 'path') {
						neighborCount++;
					}
				}
				pathCells.push({
					x: x,
					y: y,
					neighbors: neighborCount,
					priority: (mazeHeight - y) * 10 + (4 - neighborCount) // Prefer bottom cells with fewer neighbors
				});
			}
		}
	}
	// If no path cells found in bottom area, expand search to entire maze
	if (pathCells.length === 0) {
		for (var y = 1; y < mazeHeight - 1; y++) {
			for (var x = 1; x < mazeWidth - 1; x++) {
				// Additional boundary check
				if (x >= 0 && x < mazeWidth && y >= 0 && y < mazeHeight && maze[y] && maze[y][x] && maze[y][x].cellType === 'path') {
					pathCells.push({
						x: x,
						y: y,
						neighbors: 1,
						priority: 1
					});
				}
			}
		}
	}
	// If still no path cells found, create one by forcing a path within bounds
	if (pathCells.length === 0) {
		// Find middle of bottom row and force it to be a path, ensuring it's within bounds
		var bottomY = Math.max(1, Math.min(mazeHeight - 2, mazeHeight - 2));
		var middleX = Math.max(1, Math.min(mazeWidth - 2, Math.floor(mazeWidth / 2)));
		if (maze[bottomY] && maze[bottomY][middleX]) {
			maze[bottomY][middleX].destroy();
			var pathCell = new MazeCell('path');
			pathCell.x = middleX * cellSize + cellSize / 2;
			pathCell.y = bottomY * cellSize + cellSize / 2;
			maze[bottomY][middleX] = pathCell;
			mazeContainer.addChild(pathCell);
			pathCells.push({
				x: middleX,
				y: bottomY,
				neighbors: 1,
				priority: 100
			});
		}
	}
	if (pathCells.length > 0) {
		// Choose the path cell with highest priority (bottom-most with fewest neighbors)
		pathCells.sort(function (a, b) {
			return b.priority - a.priority;
		});
		var bestCell = pathCells[0];
		// Ensure black hole coordinates are within maze bounds
		blackholeX = Math.max(0, Math.min(mazeWidth - 1, bestCell.x));
		blackholeY = Math.max(0, Math.min(mazeHeight - 1, bestCell.y));
		// Replace path with black hole, with additional boundary checks
		if (blackholeX >= 0 && blackholeX < mazeWidth && blackholeY >= 0 && blackholeY < mazeHeight && maze[blackholeY] && maze[blackholeY][blackholeX]) {
			maze[blackholeY][blackholeX].destroy();
			var blackhole = new MazeCell('blackhole');
			blackhole.x = blackholeX * cellSize + cellSize / 2;
			blackhole.y = blackholeY * cellSize + cellSize / 2;
			maze[blackholeY][blackholeX] = blackhole;
			mazeContainer.addChild(blackhole);
		}
	}
}
function addBounceEffect() {
	// Ball remains rigid - no bounce effects
}
function checkBallCollisions() {
	var ballMazeX = Math.floor((ball.x - mazeContainer.x) / cellSize);
	var ballMazeY = Math.floor((ball.y - mazeContainer.y) / cellSize);
	// Check if ball is trying to move outside maze boundaries
	if (ballMazeX < 0 || ballMazeX >= mazeWidth || ballMazeY < 0 || ballMazeY >= mazeHeight) {
		// Keep ball within maze bounds and bounce
		if (ball.x < mazeContainer.x + cellSize / 2) {
			tween(ball, {
				x: mazeContainer.x + cellSize / 2
			}, {
				duration: 50,
				easing: tween.easeOut
			});
			ball.velocityX = Math.abs(ball.velocityX) * ball.bounceForce;
			// Add slight random variation for realism
			ball.velocityY += (Math.random() - 0.5) * 0.5;
		}
		if (ball.x > mazeContainer.x + (mazeWidth - 1) * cellSize + cellSize / 2) {
			tween(ball, {
				x: mazeContainer.x + (mazeWidth - 1) * cellSize + cellSize / 2
			}, {
				duration: 50,
				easing: tween.easeOut
			});
			ball.velocityX = -Math.abs(ball.velocityX) * ball.bounceForce;
			// Add slight random variation for realism
			ball.velocityY += (Math.random() - 0.5) * 0.5;
		}
		if (ball.y < mazeContainer.y + cellSize / 2) {
			tween(ball, {
				y: mazeContainer.y + cellSize / 2
			}, {
				duration: 50,
				easing: tween.easeOut
			});
			ball.velocityY = Math.abs(ball.velocityY) * ball.bounceForce;
			// Add slight random variation for realism
			ball.velocityX += (Math.random() - 0.5) * 0.5;
		}
		if (ball.y > mazeContainer.y + (mazeHeight - 1) * cellSize + cellSize / 2) {
			tween(ball, {
				y: mazeContainer.y + (mazeHeight - 1) * cellSize + cellSize / 2
			}, {
				duration: 50,
				easing: tween.easeOut
			});
			ball.velocityY = -Math.abs(ball.velocityY) * ball.bounceForce;
			// Add slight random variation for realism
			ball.velocityX += (Math.random() - 0.5) * 0.5;
		}
		// Ball remains rigid - no shake effects
		LK.getSound('bounce').play();
		return;
	}
	var currentCell = maze[ballMazeY][ballMazeX];
	// Check if ball is in a wall cell - if so, push it back to nearest path
	if (currentCell && currentCell.cellType === 'wall') {
		// Find the nearest path cell
		var nearestPath = null;
		var minDistance = Infinity;
		for (var y = 0; y < mazeHeight; y++) {
			for (var x = 0; x < mazeWidth; x++) {
				if (maze[y] && maze[y][x] && (maze[y][x].cellType === 'path' || maze[y][x].cellType === 'blackhole')) {
					var pathCenterX = mazeContainer.x + x * cellSize + cellSize / 2;
					var pathCenterY = mazeContainer.y + y * cellSize + cellSize / 2;
					var distance = Math.sqrt(Math.pow(ball.x - pathCenterX, 2) + Math.pow(ball.y - pathCenterY, 2));
					if (distance < minDistance) {
						minDistance = distance;
						nearestPath = {
							x: pathCenterX,
							y: pathCenterY
						};
					}
				}
			}
		}
		if (nearestPath) {
			// Push ball to nearest path
			var directionX = nearestPath.x - ball.x;
			var directionY = nearestPath.y - ball.y;
			var distance = Math.sqrt(directionX * directionX + directionY * directionY);
			if (distance > 0) {
				directionX /= distance;
				directionY /= distance;
				var targetX = nearestPath.x - directionX * 10;
				var targetY = nearestPath.y - directionY * 10;
				// Smooth tween to new position
				tween(ball, {
					x: targetX,
					y: targetY
				}, {
					duration: 100,
					easing: tween.easeOut
				});
			}
			// Realistic wall collision with momentum conservation
			var impactSpeed = Math.sqrt(ball.velocityX * ball.velocityX + ball.velocityY * ball.velocityY);
			ball.velocityX = -ball.velocityX * ball.bounceForce;
			ball.velocityY = -ball.velocityY * ball.bounceForce;
			// Add energy loss and slight randomness for realism
			var energyLoss = 0.9;
			ball.velocityX *= energyLoss;
			ball.velocityY *= energyLoss;
			ball.velocityX += (Math.random() - 0.5) * 0.3;
			ball.velocityY += (Math.random() - 0.5) * 0.3;
		}
		// Ball remains rigid - no shake effects
		LK.getSound('bounce').play();
	} else if (currentCell && currentCell.cellType === 'blackhole') {
		// Check if ball is close enough to black hole center
		var blackholeCenterX = mazeContainer.x + blackholeX * cellSize + cellSize / 2;
		var blackholeCenterY = mazeContainer.y + blackholeY * cellSize + cellSize / 2;
		var distance = Math.sqrt(Math.pow(ball.x - blackholeCenterX, 2) + Math.pow(ball.y - blackholeCenterY, 2));
		if (distance < 30 && !gameWon) {
			gameWon = true;
			LK.getSound('win').play();
			LK.setScore(LK.getScore() + 1);
			scoreText.setText('Level: ' + (LK.getScore() + 1));
			// Flash effect
			LK.effects.flashScreen(0x00ff00, 1000);
			// Reset for next level
			LK.setTimeout(function () {
				resetLevel();
			}, 1000);
		}
	}
}
function resetLevel() {
	gameWon = false;
	timeLeft = 60;
	// Reset ball position
	ball.x = mazeContainer.x + cellSize * 1.5;
	ball.y = mazeContainer.y + cellSize * 1.5;
	ball.velocityX = 0;
	ball.velocityY = 0;
	// Generate new maze
	generateMaze();
}
// Initialize ball
ball = game.addChild(new Ball());
ball.x = mazeContainer.x + cellSize * 1.5;
ball.y = mazeContainer.y + cellSize * 1.5;
// Touch controls
game.down = function (x, y, obj) {
	if (gameWon) return;
	// Determine tap location and apply directional force
	var screenWidth = 2048;
	var tapX = x;
	var jumpForce = -15; // Realistic upward impulse
	var sideForce = 8; // Realistic horizontal impulse
	if (tapX < screenWidth / 3) {
		// Left tap - bounce left and up
		ball.addForce(-sideForce, jumpForce);
	} else if (tapX > screenWidth * 2 / 3) {
		// Right tap - bounce right and up  
		ball.addForce(sideForce, jumpForce);
	} else {
		// Center tap - bounce straight up
		ball.addForce(0, jumpForce);
	}
};
// Generate initial maze
generateMaze();
// Timer countdown
var timerInterval = LK.setInterval(function () {
	if (gameWon) return;
	timeLeft--;
	timerText.setText(timeLeft.toString());
	if (timeLeft <= 0) {
		timeLeft = 60;
		generateMaze();
		timerText.setText('60');
		// Flash red to indicate maze change
		LK.effects.flashScreen(0xff0000, 500);
	}
}, 1000);
// Start background music
LK.playMusic('1tik');
game.update = function () {
	// Game updates are handled by individual object update methods
};