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

/**** 
* Classes
****/ 
var BabyCreature = Container.expand(function (creatureType) {
	var self = Container.call(this);
	var graphics = self.attachAsset(creatureType || 'babyShark', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 2;
	self.lifespan = 300; // 5 seconds at 60fps
	self.age = 0;
	self.update = function () {
		self.y += self.speed;
		self.age++;
		// Fade out as it ages
		graphics.alpha = Math.max(0, 1 - self.age / self.lifespan);
	};
	return self;
});
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 3;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var Orca = Container.expand(function () {
	var self = Container.call(this);
	var orcaGraphics = self.attachAsset('orca', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 3;
	self.birthTimer = 0;
	self.birthInterval = 120; // Birth every 2 seconds at 60fps
	self.update = function () {
		self.birthTimer++;
		if (self.birthTimer >= self.birthInterval) {
			self.birthTimer = 0;
			giveBirth();
		}
		// Keep orca within bounds
		if (self.x < 100) self.x = 100;
		if (self.x > 1948) self.x = 1948;
		if (self.y < 100) self.y = 100;
		if (self.y > 2632) self.y = 2632;
	};
	return self;
});
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerupGraphics = self.attachAsset('powerup', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 2;
	self.bobTimer = 0;
	self.update = function () {
		self.y += self.speed;
		self.bobTimer += 0.1;
		powerupGraphics.y = Math.sin(self.bobTimer) * 10;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x006994
});

/**** 
* Game Code
****/ 
var orca = new Orca();
var babyCreatures = [];
var obstacles = [];
var powerups = [];
var dragNode = null;
var gameSpeed = 1;
var obstacleTimer = 0;
var powerupTimer = 0;
// Initialize orca position
orca.x = 1024;
orca.y = 1366;
game.addChild(orca);
// Score display
var scoreTxt = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Health display
var healthTxt = new Text2('Health: 3', {
	size: 60,
	fill: 0xFF6B6B
});
healthTxt.anchor.set(1, 0);
LK.gui.topRight.addChild(healthTxt);
function giveBirth() {
	var creatureType = Math.random() < 0.6 ? 'babyShark' : 'hammerhead';
	var baby = new BabyCreature(creatureType);
	baby.x = orca.x + (Math.random() - 0.5) * 100;
	baby.y = orca.y + 80;
	babyCreatures.push(baby);
	game.addChild(baby);
	LK.setScore(LK.getScore() + 10);
	scoreTxt.setText('Score: ' + LK.getScore());
	LK.getSound('birth').play();
	// Flash effect on birth
	LK.effects.flashObject(orca, 0x3498db, 500);
}
function spawnObstacle() {
	var obstacle = new Obstacle();
	obstacle.x = Math.random() * 1848 + 100;
	obstacle.y = -100;
	obstacles.push(obstacle);
	game.addChild(obstacle);
}
function spawnPowerUp() {
	var powerup = new PowerUp();
	powerup.x = Math.random() * 1848 + 100;
	powerup.y = -50;
	powerups.push(powerup);
	game.addChild(powerup);
}
function handleMove(x, y, obj) {
	if (dragNode) {
		dragNode.x = x;
		dragNode.y = y;
	}
}
game.move = handleMove;
game.down = function (x, y, obj) {
	dragNode = orca;
	handleMove(x, y, obj);
};
game.up = function (x, y, obj) {
	dragNode = null;
};
game.update = function () {
	// Increase game speed over time
	if (LK.ticks % 600 == 0) {
		// Every 10 seconds
		gameSpeed += 0.1;
	}
	// Spawn obstacles
	obstacleTimer++;
	if (obstacleTimer >= Math.max(60, 180 - LK.getScore() / 10)) {
		obstacleTimer = 0;
		spawnObstacle();
	}
	// Spawn powerups occasionally
	powerupTimer++;
	if (powerupTimer >= 480) {
		// Every 8 seconds
		powerupTimer = 0;
		if (Math.random() < 0.3) {
			spawnPowerUp();
		}
	}
	// Update baby creatures
	for (var i = babyCreatures.length - 1; i >= 0; i--) {
		var baby = babyCreatures[i];
		if (baby.age >= baby.lifespan || baby.y > 2800) {
			baby.destroy();
			babyCreatures.splice(i, 1);
		}
	}
	// Update obstacles
	for (var j = obstacles.length - 1; j >= 0; j--) {
		var obstacle = obstacles[j];
		// Check collision with orca
		if (orca.intersects(obstacle)) {
			orca.health--;
			healthTxt.setText('Health: ' + orca.health);
			LK.effects.flashObject(orca, 0xe74c3c, 800);
			LK.getSound('hit').play();
			obstacle.destroy();
			obstacles.splice(j, 1);
			if (orca.health <= 0) {
				LK.showGameOver();
				return;
			}
			continue;
		}
		// Remove off-screen obstacles
		if (obstacle.y > 2800) {
			obstacle.destroy();
			obstacles.splice(j, 1);
		}
	}
	// Update powerups
	for (var k = powerups.length - 1; k >= 0; k--) {
		var powerup = powerups[k];
		// Check collision with orca
		if (orca.intersects(powerup)) {
			LK.setScore(LK.getScore() + 50);
			scoreTxt.setText('Score: ' + LK.getScore());
			LK.effects.flashObject(orca, 0x2ecc71, 600);
			LK.getSound('collect').play();
			powerup.destroy();
			powerups.splice(k, 1);
			continue;
		}
		// Remove off-screen powerups
		if (powerup.y > 2800) {
			powerup.destroy();
			powerups.splice(k, 1);
		}
	}
	// Check win condition
	if (LK.getScore() >= 1000) {
		LK.showYouWin();
	}
};