/**** 
* Classes
****/ 
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Dragon class to represent the player character
var Dragon = Container.expand(function () {
	var self = Container.call(this);
	var dragonGraphics = self.attachAsset('dragon', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.5,
		scaleY: 1.5
	});
	self.speed = 10; // Speed of the dragon
	self.update = function () {
		// Update logic for the dragon can be added here if needed
	};
});
// HealthBar class to represent the player's health
var HealthBar = Container.expand(function () {
	var self = Container.call(this);
	var healthBarGraphics = self.attachAsset('healthBar', {
		anchorX: 0.0,
		anchorY: 0.0,
		scaleX: 2048 / 1000,
		// Scale to fit the game width
		scaleY: 0.1
	});
	self.maxHealth = 1000;
	self.currentHealth = self.maxHealth;
	self.update = function () {
		healthBarGraphics.scaleX = self.currentHealth / self.maxHealth;
		healthBarGraphics.scaleY = 0.05; // Resize the health bar to fit the top of the screen
	};
});
// Sphere class to represent the obstacles
var Sphere = Container.expand(function () {
	var self = Container.call(this);
	var sphereGraphics = self.attachAsset('sphere', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 3; // Speed of the sphere
	var sizes = [0.7, 0.5, 1];
	var size = sizes[Math.floor(Math.random() * sizes.length)];
	// Assign points to spheres based on their size
	if (size == 0.7) {
		self.points = 20;
	} else if (size == 0.5) {
		self.points = 10;
	} else {
		self.points = 5;
	}
	self.update = function () {
		// Move the sphere straight up
		self.y -= self.speed;
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000,
	//Init game with black background
	height: 3000 // Increase the game screen height
});

/**** 
* Game Code
****/ 
// Initialize game variables
var dragon;
var spheres = [];
var score = 0; // Initialize score to 0
var scoreTxt;
// Add background image to the game
var background = LK.getAsset('Background', {
	anchorX: 0.0,
	anchorY: 0.0
});
background = game.addChild(background);
background.width = game.width;
background.height = game.height;
background.smooth = true; // Enable smoothing to make the screen appear clearer
background.filterQuality = 3; // Set the filter quality to high for a clearer image
background.scale.set(1, 1); // Scale the background to fit the screen
// Function to handle game updates
game.update = function () {
	// Update dragon position based on touch input
	if (!LK.gameOver && dragNode && dragNode.global) {
		dragNode.x = game.toLocal(dragNode.global).x;
	}
	// Update spheres and check for collisions
	if (!LK.gameOver) {
		for (var i = spheres.length - 1; i >= 0; i--) {
			spheres[i].update();
			if (spheres[i].intersects(dragon)) {
				var evade = Math.floor(Math.random() * 51);
				if (evade <= 50) {
					healthBar.currentHealth -= spheres[i].points; // Reduce health based on points
					if (healthBar.currentHealth <= 0) {
						LK.effects.flashScreen(0xff0000, 1000);
						LK.showGameOver({
							bar: {
								color: 0xFFA500,
								// Orange color for the outlines
								fill: 0xFFA500 // Orange color for the fill
							},
							text: {
								color: 0x00FFFF // Blue cyan color for the text
							}
						});
					}
				}
			} else if (spheres[i].y < 0) {
				spheres[i].destroy();
				score += spheres[i].points; // Increase score when the sphere is dodged
				scoreTxt.setText('Score: ' + score); // Update score text
				spheres.splice(i, 1);
			}
		}
	}
	// Spawn new spheres
	if (!LK.gameOver && LK.ticks % 30 == 0) {
		var level = Math.floor(score / 2000) + 1;
		for (var i = 0; i < level; i++) {
			// Spawn more spheres based on the current level
			var newSphere = new Sphere();
			newSphere.x = Math.random() * 2048;
			newSphere.y = 2732;
			// Randomly assign one of three sizes to the sphere
			var sizes = [0.7, 0.5, 1];
			var size = sizes[Math.floor(Math.random() * sizes.length)];
			newSphere.scaleX = size;
			newSphere.scaleY = size;
			newSphere.speed += level * 0.1; // Increase the speed of the sphere slightly with each level
			spheres.push(newSphere);
			game.addChild(newSphere);
		}
		levelTxt.setText('Level: ' + level); // Update the level text
	}
	// Regenerate player's health to max when score reaches 1000
	if (score >= 1000) {
		healthBar.currentHealth = healthBar.maxHealth;
	}
};
// Initialize dragon
dragon = game.addChild(new Dragon());
dragon.x = 2048 / 2;
dragon.y = 200;
// Initialize level display
var levelTxt = new Text2('Level: 1', {
	size: 100,
	fill: 0xFFFF00
});
levelTxt.anchor.set(1, 1);
LK.gui.bottomRight.addChild(levelTxt);
levelTxt.x = -50; // Move the level text to the right side of the screen
levelTxt.y = -150; // Position the level text at the bottom of the screen
// Initialize score display
scoreTxt = new Text2('Score: 0', {
	size: 100,
	fill: 0x008000 // Green color
});
LK.gui.top.addChild(scoreTxt);
scoreTxt.anchor.set(0, 0); // Sets anchor to the left of the top edge of the text.
scoreTxt.x = levelTxt.x - scoreTxt.width - 50; // Position the score text 50 pixels to the left of the level text
scoreTxt.y = levelTxt.y; // Position the score text on the same line as the level text
// Initialize health bar
var healthBar = game.addChild(new HealthBar());
healthBar.x = 50;
healthBar.y = 2732 - healthBar.height - 100; // Move health bar a little bit down
scoreTxt.anchor.set(0, 0);
scoreTxt.y = healthBar.y - scoreTxt.height - 50; // Move score text up a little bit from the health bar
LK.gui.bottomLeft.addChild(scoreTxt);
// Handle touch input for dragging the dragon
var dragNode = null;
game.down = function (x, y, obj) {
	dragNode = dragon;
};
game.up = function (x, y, obj) {
	dragNode = null;
};
game.move = function (x, y, obj) {
	if (dragNode) {
		// Limit the dragon's movement to the game area
		var newX = Math.max(0, Math.min(2048, x));
		dragNode.x = newX;
	}
};