/**** 
* Classes
****/ 
// Obstacle class
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add a random number and operator to each obstacle
	var operators = ['+', '-', '*', '/', '^', '+', '+', '+', '-', '-', '-', '*', '*', '*', '/'];
	do {
		self.number = Math.floor(Math.random() * 10);
		self.operator = operators[Math.floor(Math.random() * operators.length)];
		if (self.operator == '^') {
			self.number = Math.random() < 0.9 ? 1 : 2;
		}
		if (self.operator == '/') {
			self.number = 1 + Math.floor(Math.random() * 9);
		}
		if (self.operator == '*') {
			// Track the count of consecutive multiplication by 0 obstacles
			// Moved to global scope for broader accessibility
			if (Math.random() < 0.7 && consecutiveMultiplicationByZero < 2) {
				self.number = 0;
				consecutiveMultiplicationByZero++; // Increment the count
			} else {
				// Ensure the number is not 0 to break the sequence
				self.number = Math.random() < 0.5 ? 1 : 2;
				consecutiveMultiplicationByZero = 0; // Reset the count
			}
		} else {
			consecutiveMultiplicationByZero = 0; // Reset the count for non-multiplication operators
		}
	} while (self.operator == '/' && score % self.number != 0);
	var numberText = new Text2(self.operator + self.number.toString(), {
		size: 100,
		fill: "#ffffff"
	});
	self.addChild(numberText);
	numberText.anchor.set(0.5, 0.5);
	numberText.x = 0;
	numberText.y = 0;
	self.speed = 10;
	self.move = function () {
		self.y += self.speed;
	};
});
// Assets will be automatically created based on usage in the code.
// Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.moveLeft = function () {
		if (self.x > leftRightSpace + railingWidth) {
			self.x -= railingWidth;
		}
	};
	self.moveRight = function () {
		if (self.x < screenWidth - leftRightSpace - railingWidth) {
			self.x += railingWidth;
		}
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000 // Init game with black background 
});

/**** 
* Game Code
****/ 
var consecutiveMultiplicationByZero = 0; // Global counter for consecutive multiplication by 0 obstacles
var player = game.addChild(new Player());
player.x = 1024; // Center horizontally
player.y = 2500; // Position near the bottom
var obstacles = [];
var score = 10;
var scoreTxt = new Text2(score.toString(), {
	size: 150,
	fill: "#ffffff"
});
LK.gui.topLeft.addChild(scoreTxt);
// Calculate the number of railings that can fit on the screen
var railingWidth = 600; // The width of a railing
var screenWidth = 2048; // The width of the screen
var numRailings = Math.floor(screenWidth / railingWidth);
// Calculate the remaining space
var remainingSpace = screenWidth - numRailings * railingWidth;
// Calculate the space to add on the left and right sides of the screen
var leftRightSpace = remainingSpace / 2;
// Draw lines at the left and right boundaries
var leftLine = LK.getAsset('leftLine', {
	anchorX: 0.5,
	anchorY: 0.0,
	x: leftRightSpace,
	y: 0
});
game.addChild(leftLine);
var rightLine = LK.getAsset('rightLine', {
	anchorX: 0.5,
	anchorY: 0.0,
	x: screenWidth - leftRightSpace,
	y: 0
});
game.addChild(rightLine);
// Create an array to store the possible x positions for the obstacles
var obstaclePositions = [];
for (var i = 0; i < numRailings; i++) {
	obstaclePositions.push(leftRightSpace + i * railingWidth + railingWidth / 2);
}
// Create obstacles at intervals
var obstacleTimer;
function createObstacle() {
	// Create an obstacle in each grid simultaneously
	for (var i = 0; i < obstaclePositions.length; i++) {
		var obstacle = new Obstacle();
		obstacle.x = obstaclePositions[i];
		obstacle.y = 0; // Start from the top
		obstacles.push(obstacle);
		game.addChild(obstacle);
		game.consecutiveMultiplicationByZero = 0;
	}
	// Calculate the interval based on the score
	var interval;
	// For scores less than or equal to 10, keep the original generation interval
	if (score < 10) {
		interval = 8000; // Original generation interval
	} else {
		// Adjusted interval calculation for scores greater than or equal to 10
		interval = Math.max(1000, 8000 / Math.log(score));
	}
	// Set the next obstacle creation
	obstacleTimer = LK.setTimeout(createObstacle, interval);
}
// Create the first obstacle
createObstacle();
// Handle touch events for moving the player
game.on('down', function (obj) {
	var pos = obj.event.getLocalPosition(game);
	if (pos.x < 1024) {
		player.moveLeft();
	} else {
		player.moveRight();
	}
});
// Update game state every tick
LK.on('tick', function () {
	for (var i = obstacles.length - 1; i >= 0; i--) {
		obstacles[i].move();
		// Check for collision with player and calculate score
		if (obstacles[i].intersects(player)) {
			if (!obstacles[i].scoreCalculated) {
				obstacles[i].scoreCalculated = true;
				switch (obstacles[i].operator) {
					case '+':
						score += obstacles[i].number;
						break;
					case '-':
						score -= obstacles[i].number;
						break;
					case '*':
						score *= obstacles[i].number;
						break;
					case '/':
						score /= obstacles[i].number;
						break;
					case '^':
						score = Math.pow(score, obstacles[i].number);
						break;
				}
				scoreTxt.setText(score.toString());
				if (score <= 0 || score >= 10000000) {
					LK.showGameOver();
				}
			}
			obstacles[i].destroy();
			obstacles.splice(i, 1);
		}
		// Remove off-screen obstacles
		if (obstacles[i] && obstacles[i].y > 2732) {
			obstacles[i].destroy();
			obstacles.splice(i, 1);
		}
	}
});