/**** 
* Classes
****/
var Background = Container.expand(function () {
	var self = Container.call(this);
	self.attachAsset('background', {
		width: 2048,
		height: 2732,
		anchorX: 0,
		anchorY: 0
	});
	self.move = function () {
		self.x -= game.speed;
		if (self.x <= -2048) {
			self.x = 0;
		}
	};
});
var Cactus = Container.expand(function () {
	var self = Container.call(this);
	var cactusGraphics = self.attachAsset('cactus', {
		anchorX: 0.5,
		anchorY: 1.0,
		scaleX: 1 + Math.random() * 0.2,
		scaleY: 1 + Math.random() * 0.2
	});
	self.move = function () {
		if (LK.ticks % 600 == 0) {
			game.speed *= 1.1;
		}
		self.x -= game.speed * 2;
		if (LK.ticks % 60 == 0) {
			self.scale.x *= -1;
		}
	};
});
var Cloud = Container.expand(function () {
	var self = Container.call(this);
	self.attachAsset('cloud', {
		anchorX: 0.5,
		anchorY: 0.6
	});
	self.move = function () {
		self.x -= game.speed;
	};
});
var Collectible = Container.expand(function () {
	var self = Container.call(this);
	self.attachAsset('collectible', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.move = function () {
		self.x -= game.speed;
	};
});
var Dinosaur = Container.expand(function () {
	var self = Container.call(this);
	var dinosaurGraphics = self.attachAsset('dinosaur', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.isJumping = false;
	self.jumpSpeed = 0;
	self.gravity = 0.5;
	self.jump = function () {
		if (!self.isJumping && self.y >= game.floorLevel) {
			self.isJumping = true;
			self.jumpSpeed = -25;
		}
	};
	self.update = function () {
		if (self.isJumping) {
			self.y += self.jumpSpeed;
			self.jumpSpeed += self.gravity;
		}
		if (self.y > game.floorLevel) {
			self.y = game.floorLevel;
			self.isJumping = false;
		}
		if (LK.ticks % 18 == 0) {
			self.scale.x *= self.scale.x > 1 ? 0.95 : 1.05;
			self.scale.y *= self.scale.y > 1 ? 0.95 : 1.05;
		}
	};
});
var Ground = Container.expand(function () {
	var self = Container.call(this);
	self.attachAsset('ground', {
		anchorX: 0,
		anchorY: 1.0
	});
	self.move = function () {
		self.x -= game.speed;
		if (self.x <= -2048) {
			self.x = 0;
		}
	};
});
var NightBackground = Container.expand(function () {
	var self = Container.call(this);
	self.attachAsset('nightBackground', {
		width: 2048,
		height: 2732,
		anchorX: 0,
		anchorY: 0
	});
	self.move = function () {
		self.x -= game.speed;
		if (self.x <= -2048) {
			self.x = 0;
		}
	};
});
var Pterodactyl = Container.expand(function () {
	var self = Container.call(this);
	var pterodactylGraphics = self.attachAsset('pterodactyl', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.move = function () {
		if (LK.ticks % 600 == 0) {
			game.speed *= 1.1;
		}
		self.x -= game.speed * 2;
		self.y += Math.sin(LK.ticks / 10) * 5;
	};
});

/**** 
* Initialize Game
****/
var game = new LK.Game({
	backgroundColor: 0x87ceeb
});

/**** 
* Game Code
****/
game.collectibles = [];
var title = LK.gui.top.addChild(LK.getAsset('title', {
	anchorX: 0,
	anchorY: 0,
	x: -500,
	y: 0
}));
var background1 = game.addChild(new Background());
var nightBackground1 = game.addChild(new NightBackground());
nightBackground1.visible = false;
var scoreTxt = new Text2(LK.getScore().toString(), {
	size: 150,
	fill: '#ffffff'
});
scoreTxt.anchor.set(0.5, 0.5);
LK.gui.center.addChild(scoreTxt);
var ground1 = game.addChild(new Ground());
var ground2 = game.addChild(new Ground());
ground2.x = 2048;
game.speed = 5;
game.floorLevel = 2732 - 200; // Dinosaur stands on the floor
game.score = 0;
game.obstacles = [];
var dinosaur = game.addChild(new Dinosaur());
dinosaur.x = 300;
dinosaur.y = game.floorLevel;
game.on('down', function () {
	dinosaur.jump();
});
LK.on('tick', function () {
	if (LK.ticks % 2700 == 0) {
		background1.visible = !background1.visible;
		nightBackground1.visible = !nightBackground1.visible;
	}
	if (LK.ticks % 2700 == 1350) {
		background1.visible = !background1.visible;
		nightBackground1.visible = !nightBackground1.visible;
	}
	dinosaur.update();
	if (LK.ticks % 60 == 0) {
		game.score += 1;
	}
	scoreTxt.setText(LK.getScore().toString());
	LK.setScore(Math.floor(game.score)); // Update the score display
	// Move the ground and background
	ground1.move();
	ground1.move();
	ground2.move();
	// Handle obstacles
	if (LK.ticks % (600 + Math.random() * 600) == 0) {
		// Add a new collectible every 10 to 20 seconds
		var collectible = new Collectible();
		collectible.y = game.floorLevel - Math.random() * 300 - 300; // Random height for collectible
		collectible.x = 2048;
		game.collectibles.push(collectible);
		game.addChild(collectible);
	}
	if (LK.ticks % 120 == 0) {
		// Add a new obstacle every 2 seconds
		var obstacle;
		if (Math.random() < 0.5) {
			obstacle = new Cactus();
			obstacle.y = game.floorLevel;
		} else {
			obstacle = new Pterodactyl();
			obstacle.y = game.floorLevel - Math.random() * 300 - 300; // Random height for pterodactyl
		}
		obstacle.x = 2048;
		game.obstacles.push(obstacle);
		game.addChild(obstacle);
	}
	if (LK.ticks % 600 == 0) {
		// Add a new cloud every 10 seconds
		var cloud = new Cloud();
		cloud.y = title.height + 50; // Position cloud under the title
		cloud.x = 2048 / 2;
		game.addChild(cloud);
	}
	for (var i = game.collectibles.length - 1; i >= 0; i--) {
		game.collectibles[i].move();
		if (dinosaur.intersects(game.collectibles[i])) {
			// Destroy the collectible and add +10 to the score when dinosaur collides with it
			game.collectibles[i].destroy();
			game.collectibles.splice(i, 1);
			game.score += 1;
		}
		if (game.collectibles[i] && game.collectibles[i].x < -100) {
			// Remove off-screen collectibles
			game.collectibles[i].destroy();
			game.collectibles.splice(i, 1);
		}
	}
	for (var i = game.obstacles.length - 1; i >= 0; i--) {
		game.obstacles[i].move();
		if (dinosaur.intersects(game.obstacles[i])) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
		if (game.obstacles[i].x < -100) {
			// Remove off-screen obstacles
			game.obstacles[i].destroy();
			game.obstacles.splice(i, 1);
		}
	}
});