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

/**** 
* Classes
****/ 
var Obstacle = Container.expand(function (type) {
	var self = Container.call(this);
	self.type = type || 'hexagon';
	self.speed = 3 + Math.random() * 2;
	self.rotationSpeed = (Math.random() - 0.5) * 0.05;
	var shapeGraphics = self.attachAsset(self.type, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Special transformations per shape type
	if (self.type === 'triangle') {
		// Make it a triangle by scaling
		shapeGraphics.scaleY = 0.866; // sqrt(3)/2 to make equilateral triangle
	} else if (self.type === 'hexagon') {
		// Create hexagon effect using rotation and scale
		self.rotationSpeed = (Math.random() - 0.5) * 0.02; // Slower rotation for hexagons
	}
	self.update = function () {
		// Move shape downward
		self.y += self.speed;
		// Rotate shape
		shapeGraphics.rotation += self.rotationSpeed;
		// Remove if off screen
		if (self.y > 2832) {
			self.markForRemoval = true;
		}
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add trail effect (smaller circles that follow the player)
	self.trail = [];
	self.trailMaxLength = 5;
	self.trailDelay = 3;
	self.trailCounter = 0;
	self.createTrailPoint = function () {
		var trailPoint = LK.getAsset('player', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 0.5,
			scaleY: 0.5,
			alpha: 0.5
		});
		trailPoint.x = self.x;
		trailPoint.y = self.y;
		return trailPoint;
	};
	self.updateTrail = function () {
		self.trailCounter++;
		if (self.trailCounter >= self.trailDelay) {
			self.trailCounter = 0;
			// Add new trail point
			if (self.trail.length >= self.trailMaxLength) {
				// Recycle oldest trail point
				var oldestPoint = self.trail.shift();
				oldestPoint.x = self.x;
				oldestPoint.y = self.y;
				self.trail.push(oldestPoint);
			} else {
				// Create new trail point
				var newPoint = self.createTrailPoint();
				self.trail.push(newPoint);
				game.addChild(newPoint);
			}
			// Update all trail points opacity
			for (var i = 0; i < self.trail.length; i++) {
				var point = self.trail[i];
				point.alpha = 0.5 * (i / self.trail.length);
			}
		}
	};
	return self;
});
var TitleText = Container.expand(function () {
	var self = Container.call(this);
	self.title = new Text2('Shape Escape', {
		size: 100,
		fill: 0xFFFFFF
	});
	self.title.anchor.set(0.5, 0.5);
	self.addChild(self.title);
	self.subtitle = new Text2('Tap to Start', {
		size: 60,
		fill: 0xFFFFFF
	});
	self.subtitle.anchor.set(0.5, 0.5);
	self.subtitle.y = 100;
	self.addChild(self.subtitle);
	// Pulsing animation for the subtitle
	self.pulseAnimation = function () {
		tween(self.subtitle, {
			scaleX: 1.1,
			scaleY: 1.1
		}, {
			duration: 800,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(self.subtitle, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 800,
					easing: tween.easeInOut,
					onFinish: self.pulseAnimation
				});
			}
		});
	};
	self.pulseAnimation();
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000033
});

/**** 
* Game Code
****/ 
// Game state variables
var player;
var obstacles = [];
var isGameStarted = false;
var titleScreen;
var gameTime = 0;
var spawnRate = 60; // Frames between obstacle spawns
var spawnCounter = 0;
var difficulty = 1;
// Setup GUI elements
var scoreTxt = new Text2('0', {
	size: 70,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
scoreTxt.y = 20;
LK.gui.top.addChild(scoreTxt);
var highScoreTxt = new Text2('Best: 0', {
	size: 40,
	fill: 0xFFFFFF
});
highScoreTxt.anchor.set(1, 0);
highScoreTxt.x = -20;
highScoreTxt.y = 20;
LK.gui.topRight.addChild(highScoreTxt);
// Create title screen
function setupTitleScreen() {
	titleScreen = new TitleText();
	titleScreen.x = 2048 / 2;
	titleScreen.y = 2732 / 2 - 200;
	game.addChild(titleScreen);
	// Load high score
	var highScore = storage.highScore || 0;
	highScoreTxt.setText('Best: ' + highScore);
}
// Start the game
function startGame() {
	// Remove title screen if it exists
	if (titleScreen) {
		titleScreen.destroy();
		titleScreen = null;
	}
	// Reset game state
	isGameStarted = true;
	gameTime = 0;
	spawnCounter = 0;
	difficulty = 1;
	LK.setScore(0);
	scoreTxt.setText('0');
	// Clear any existing obstacles
	for (var i = obstacles.length - 1; i >= 0; i--) {
		obstacles[i].destroy();
	}
	obstacles = [];
	// Create player
	player = new Player();
	player.x = 2048 / 2;
	player.y = 2732 - 300;
	game.addChild(player);
	// Play background music
	LK.playMusic('bgMusic');
}
// Spawn a new obstacle
function spawnObstacle() {
	// Choose a random shape type
	var types = ['circle', 'square', 'triangle', 'hexagon'];
	var type = types[Math.floor(Math.random() * types.length)];
	var obstacle = new Obstacle(type);
	// Position randomly along the top of the screen
	obstacle.x = Math.random() * 2048;
	obstacle.y = -100;
	game.addChild(obstacle);
	obstacles.push(obstacle);
	LK.getSound('spawn').play();
}
// Check for collisions between player and obstacles
function checkCollisions() {
	if (!player) {
		return;
	}
	for (var i = 0; i < obstacles.length; i++) {
		if (player.intersects(obstacles[i])) {
			// Collision detected - game over
			LK.getSound('collision').play();
			LK.effects.flashScreen(0xFF0000, 500);
			// Save high score
			var currentScore = LK.getScore();
			var highScore = storage.highScore || 0;
			if (currentScore > highScore) {
				storage.highScore = currentScore;
				highScoreTxt.setText('Best: ' + currentScore);
			}
			// Show game over screen
			LK.showGameOver();
			return;
		}
	}
}
// Update game difficulty
function updateDifficulty() {
	// Increase difficulty over time
	if (gameTime % 600 === 0 && gameTime > 0) {
		// Every 10 seconds
		difficulty += 0.2;
		if (spawnRate > 20) {
			spawnRate -= 5;
		}
	}
}
// Handle input events
game.down = function (x, y, obj) {
	if (!isGameStarted) {
		startGame();
	}
};
game.move = function (x, y, obj) {
	if (isGameStarted && player) {
		// Move player to touch position but keep it within game bounds
		player.x = Math.max(50, Math.min(x, 2048 - 50));
		player.y = Math.max(50, Math.min(y, 2732 - 50));
	}
};
// Main game update loop
game.update = function () {
	if (!isGameStarted) {
		// Show title screen if not started
		if (!titleScreen) {
			setupTitleScreen();
		}
		return;
	}
	// Update game time
	gameTime++;
	// Update score (time-based)
	LK.setScore(Math.floor(gameTime / 60)); // Score is in seconds
	scoreTxt.setText(LK.getScore().toString());
	// Update player trail
	if (player) {
		player.updateTrail();
	}
	// Update and spawn obstacles
	spawnCounter++;
	if (spawnCounter >= spawnRate) {
		spawnCounter = 0;
		spawnObstacle();
	}
	// Update all obstacles
	for (var i = obstacles.length - 1; i >= 0; i--) {
		obstacles[i].update();
		// Remove obstacles marked for removal
		if (obstacles[i].markForRemoval) {
			obstacles[i].destroy();
			obstacles.splice(i, 1);
		}
	}
	// Check for collisions
	checkCollisions();
	// Update difficulty
	updateDifficulty();
};