/**** 
* Classes
****/ 
// Class for the base block
var BaseBlock = Container.expand(function () {
	var self = Container.call(this);
	var baseBlockGraphics = self.attachAsset('block', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
// Class for the blocks
var Block = Container.expand(function () {
	var self = Container.call(this);
	var blockGraphics = self.attachAsset('block', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2,
		scaleY: 2
	});
	self.falling = false;
	self.speed = 5;
	self.update = function () {
		if (self.falling) {
			self.y += self.speed;
			self.x += self.momentum;
		}
	};
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Class for the swinging crane
var Crane = Container.expand(function () {
	var self = Container.call(this);
	var craneGraphics = self.attachAsset('crane', {
		anchorX: 0.5,
		anchorY: 0.0
	});
	self.angle = 0;
	self.speed = 0.05;
	self.direction = 1;
	self.update = function () {
		self.angle += self.speed * self.direction;
		if (self.angle > 1 || self.angle < -1) {
			self.direction *= -1;
		}
		self.rotation = self.angle;
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB // Sky blue background
});

/**** 
* Game Code
****/ 
// Initialize variables
var crane = game.addChild(new Crane());
var baseBlock = game.addChild(new BaseBlock());
baseBlock.x = 2048 / 2;
baseBlock.y = 2732 - baseBlock.height / 2;
crane.x = 2048 / 2;
crane.y = 200;
var blocks = [];
var currentBlock = null;
var towerHeight = 0;
var scoreTxt = new Text2('0', {
	size: 100,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Function to drop a block
function dropBlock() {
	if (currentBlock && !currentBlock.falling) {
		currentBlock.falling = true;
		// Define the radius based on the block's attachment point
		var radius = crane.width / 2 + currentBlock.width / 2 + 100;
		// Calculate the linear speed, considering the direction of rotation
		var linearSpeed = crane.speed * radius * crane.direction;
		// Calculate momentum
		currentBlock.momentum = Math.sin(crane.rotation) * linearSpeed * 50;
		blocks.push(currentBlock);
		currentBlock = null;
	}
}
// Function to check for collisions and update score
function checkCollisions() {
	for (var i = blocks.length - 1; i >= 0; i--) {
		if (!blocks[i].falling) {
			continue;
		}
		if (blocks[i].intersects(baseBlock)) {
			blocks[i].falling = false;
			blocks[i].y = baseBlock.y - baseBlock.height / 2 - blocks[i].height / 2 - towerHeight * 100;
			towerHeight++;
			LK.setScore(towerHeight);
			scoreTxt.setText(LK.getScore());
		} else {
			for (var j = 0; j < blocks.length; j++) {
				if (i !== j && blocks[i].falling && blocks[j].y < 2732 && !blocks[j].falling && blocks[i].intersects(blocks[j])) {
					blocks[i].falling = false;
					blocks[i].y = blocks[j].y - blocks[j].height / 2 - blocks[i].height / 2;
					break;
				}
			}
			if (blocks[i].falling && blocks[i].y > 2732) {
				game.removeChild(blocks[i]);
				blocks.splice(i, 1);
				console.log("Block lost!");
			}
		}
	}
}
// Game update loop
game.update = function () {
	crane.update();
	if (!currentBlock) {
		currentBlock = new Block();
		// Position the new block directly attached to the crane's end
		currentBlock.x = crane.x + Math.sin(crane.rotation) * (crane.width / 2 + currentBlock.width / 2 + 100);
		currentBlock.y = crane.y + Math.cos(crane.rotation) * (crane.height / 2 + currentBlock.height / 2 + 100);
		game.addChild(currentBlock);
	} else if (!currentBlock.falling) {
		// Update the block's position to stay synced with the crane
		currentBlock.x = crane.x + Math.sin(crane.rotation) * (crane.width / 2 + currentBlock.width / 2 + 100);
		currentBlock.y = crane.y + Math.cos(crane.rotation) * (crane.height / 2 + currentBlock.height / 2 + 100);
	}
	if (currentBlock) {
		currentBlock.update();
	}
	checkCollisions();
};
// Event listener for dropping blocks
game.down = function (x, y, obj) {
	dropBlock();
};