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

/**** 
* Classes
****/ 
var Cactus = Container.expand(function (trackIndex) {
	var self = Container.call(this);
	var cactusGraphics = self.attachAsset('cactus', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.trackIndex = trackIndex;
	self.speed = gameSpeed;
	self.update = function () {
		self.x -= self.speed;
	};
	return self;
});
var Dinosaur = Container.expand(function (trackIndex) {
	var self = Container.call(this);
	var dinoGraphics = self.attachAsset('dinosaur', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.trackIndex = trackIndex;
	self.isJumping = false;
	self.jumpHeight = 0;
	self.jumpSpeed = 0;
	self.groundY = 0;
	self.jump = function () {
		if (!self.isJumping) {
			self.isJumping = true;
			self.jumpSpeed = -25;
			LK.getSound('jump').play();
		}
	};
	self.update = function () {
		if (self.isJumping) {
			self.jumpSpeed += 1.5; // gravity
			self.jumpHeight += self.jumpSpeed;
			if (self.jumpHeight >= 0) {
				self.jumpHeight = 0;
				self.isJumping = false;
				self.jumpSpeed = 0;
			}
			self.y = self.groundY + self.jumpHeight;
		}
	};
	return self;
});
var TouchZone = Container.expand(function (dinosaurIndex) {
	var self = Container.call(this);
	var zoneGraphics = self.attachAsset('touchZone', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	zoneGraphics.alpha = 0.3;
	self.dinosaurIndex = dinosaurIndex;
	self.down = function (x, y, obj) {
		if (dinosaurs[self.dinosaurIndex]) {
			dinosaurs[self.dinosaurIndex].jump();
			// Flash feedback
			LK.effects.flashObject(self, 0xffffff, 200);
		}
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// Game variables
var dinosaurs = [];
var cacti = [];
var touchZones = [];
var gameSpeed = 8;
var spawnTimer = 0;
var spawnInterval = 90;
var trackHeight = 220;
var trackStartY = 400;
var score = 0;
var speedIncreaseTimer = 0;
// Create score display
var scoreTxt = new Text2('Score: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Create ground tracks
for (var i = 0; i < 10; i++) {
	var ground = game.addChild(LK.getAsset('ground', {
		anchorX: 0,
		anchorY: 0
	}));
	ground.x = 0;
	ground.y = trackStartY + i * trackHeight;
}
// Create dinosaurs
for (var i = 0; i < 10; i++) {
	var dino = game.addChild(new Dinosaur(i));
	dino.x = 200;
	dino.y = trackStartY + i * trackHeight;
	dino.groundY = dino.y;
	dinosaurs.push(dino);
}
// Create touch zones (2 columns of 5 zones each)
var zoneLabels = ['Q', 'W', 'E', 'R', 'U', 'I', 'O', 'P', 'C', 'M'];
for (var i = 0; i < 10; i++) {
	var zone = game.addChild(new TouchZone(i));
	// Position zones in two columns
	var col = Math.floor(i / 5);
	var row = i % 5;
	zone.x = 1600 + col * 220;
	zone.y = 500 + row * 220;
	// Add label
	var label = new Text2(zoneLabels[i], {
		size: 40,
		fill: 0xFFFFFF
	});
	label.anchor.set(0.5, 0.5);
	zone.addChild(label);
	touchZones.push(zone);
}
// Spawn cactus on random track
function spawnCactus() {
	var randomTrack = Math.floor(Math.random() * 10);
	var cactus = game.addChild(new Cactus(randomTrack));
	cactus.x = 2200;
	cactus.y = trackStartY + randomTrack * trackHeight;
	cacti.push(cactus);
}
// Check collision between dinosaur and cactus
function checkCollision(dino, cactus) {
	if (dino.trackIndex !== cactus.trackIndex) return false;
	var dx = Math.abs(dino.x - cactus.x);
	var dy = Math.abs(dino.y - cactus.y);
	return dx < 50 && dy < 60;
}
// Game update loop
game.update = function () {
	// Update speed over time
	speedIncreaseTimer++;
	if (speedIncreaseTimer >= 300) {
		// Every 5 seconds
		gameSpeed += 0.5;
		speedIncreaseTimer = 0;
	}
	// Spawn cacti
	spawnTimer++;
	if (spawnTimer >= spawnInterval) {
		spawnCactus();
		spawnTimer = 0;
		// Decrease spawn interval slightly over time
		if (spawnInterval > 30) {
			spawnInterval -= 1;
		}
	}
	// Update cacti
	for (var i = cacti.length - 1; i >= 0; i--) {
		var cactus = cacti[i];
		cactus.speed = gameSpeed;
		// Remove off-screen cacti
		if (cactus.x < -100) {
			cactus.destroy();
			cacti.splice(i, 1);
			score += 10;
			scoreTxt.setText('Score: ' + score);
			LK.setScore(score);
		}
	}
	// Check collisions
	for (var i = 0; i < dinosaurs.length; i++) {
		var dino = dinosaurs[i];
		for (var j = 0; j < cacti.length; j++) {
			var cactus = cacti[j];
			if (checkCollision(dino, cactus)) {
				LK.getSound('crash').play();
				LK.effects.flashScreen(0xff0000, 1000);
				LK.showGameOver();
				return;
			}
		}
	}
};