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

/**** 
* Classes
****/ 
var CeilingSegment = Container.expand(function () {
	var self = Container.call(this);
	var ceilingGraphics = self.attachAsset('ceiling', {
		anchorX: 0,
		anchorY: 1
	});
	self.speed = -8;
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});
var GroundSegment = Container.expand(function () {
	var self = Container.call(this);
	var groundGraphics = self.attachAsset('ground', {
		anchorX: 0,
		anchorY: 0
	});
	self.speed = -8;
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('spike', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.speed = -8;
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});
var Orb = Container.expand(function () {
	var self = Container.call(this);
	var orbGraphics = self.attachAsset('orb', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -8;
	self.floatOffset = 0;
	// Start floating animation
	tween(self, {
		floatOffset: Math.PI * 2
	}, {
		duration: 2000,
		easing: tween.linear,
		onFinish: function onFinish() {
			// Loop the animation
			self.floatOffset = 0;
			tween(self, {
				floatOffset: Math.PI * 2
			}, {
				duration: 2000,
				easing: tween.linear
			});
		}
	});
	self.update = function () {
		self.x += self.speed;
		// Apply floating motion
		orbGraphics.y = Math.sin(self.floatOffset) * 20;
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityY = 0;
	self.gravity = 0.8;
	self.jumpPower = -16;
	self.isGrounded = false;
	self.groundY = 2400;
	self.isPoweredUp = false;
	self.powerupJumpsLeft = 0;
	self.originalScale = 1;
	self.originalJumpPower = self.jumpPower;
	self.jump = function () {
		if (self.isGrounded) {
			// Use enhanced jump power if powered up
			var currentJumpPower = self.isPoweredUp ? self.originalJumpPower * 1.5 : self.jumpPower;
			self.velocityY = currentJumpPower;
			self.isGrounded = false;
			LK.getSound('jump').play();
			// Decrease powerup jumps if active
			if (self.isPoweredUp) {
				self.powerupJumpsLeft--;
				if (self.powerupJumpsLeft <= 0) {
					self.deactivatePowerup();
				}
			}
		}
	};
	self.update = function () {
		// Apply gravity
		self.velocityY += self.gravity;
		self.y += self.velocityY;
		// Adjust ground position based on scale - when small, player needs to be lower to touch ground
		var currentScale = self.isPoweredUp ? 0.7 : 1;
		var adjustedGroundY = self.groundY + 101 * (1 - currentScale); // 101 is half the player height
		// Ground collision
		if (self.y >= adjustedGroundY) {
			self.y = adjustedGroundY;
			self.velocityY = 0;
			self.isGrounded = true;
		}
		// Ceiling collision
		if (self.y <= 200) {
			self.y = 200;
			self.velocityY = 0;
		}
	};
	self.activatePowerup = function () {
		self.isPoweredUp = true;
		self.powerupJumpsLeft = 5;
		// Make player smaller and change tint to golden
		tween(playerGraphics, {
			scaleX: 0.7,
			scaleY: 0.7,
			tint: 0xFFD700
		}, {
			duration: 300,
			easing: tween.easeOut
		});
	};
	self.deactivatePowerup = function () {
		self.isPoweredUp = false;
		self.powerupJumpsLeft = 0;
		// Return player to normal size and color
		tween(playerGraphics, {
			scaleX: 1,
			scaleY: 1,
			tint: 0xFFFFFF
		}, {
			duration: 300,
			easing: tween.easeOut
		});
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2c1810
});

/**** 
* Game Code
****/ 
var player;
var obstacles = [];
var orbs = [];
var groundSegments = [];
var ceilingSegments = [];
var gameSpeed = 8;
var obstacleSpawnTimer = 0;
var orbSpawnTimer = 0;
var groundSpawnTimer = 0;
var ceilingSpawnTimer = 0;
var distance = 0;
var isGameRunning = true;
var obstaclePattern = [];
var orbPattern = [];
var patternIndex = 0;
// Score display
var scoreTxt = new Text2('Distance: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Add multiple background images for seamless looping
var backgroundImages = [];
for (var i = 0; i < 3; i++) {
	var backgroundImage = game.addChild(LK.getAsset('Bg', {
		anchorX: 0,
		anchorY: 0,
		scaleX: 20.48,
		scaleY: 24
	}));
	backgroundImage.x = i * 2048; // Position backgrounds side by side
	backgroundImage.y = 100; // Start from ceiling
	backgroundImages.push(backgroundImage);
}
// Start background music
LK.playMusic('Bg-music-loop');
// Generate initial random patterns
generateRandomPattern();
// Create player
player = game.addChild(new Player());
player.x = 400;
player.y = 2400;
// Initialize ground segments
for (var i = 0; i < 15; i++) {
	var groundSeg = new GroundSegment();
	groundSeg.x = i * 200;
	groundSeg.y = 2500;
	groundSegments.push(groundSeg);
	game.addChild(groundSeg);
}
// Initialize ceiling segments
for (var i = 0; i < 15; i++) {
	var ceilingSeg = new CeilingSegment();
	ceilingSeg.x = i * 200;
	ceilingSeg.y = 100;
	ceilingSegments.push(ceilingSeg);
	game.addChild(ceilingSeg);
}
function generateRandomPattern() {
	obstaclePattern = [];
	orbPattern = [];
	// Generate random obstacle pattern (30 positions)
	for (var i = 0; i < 30; i++) {
		obstaclePattern.push(Math.random() < 0.4); // 40% chance of obstacle
	}
	// Generate random orb pattern (15 positions, less frequent)
	for (var i = 0; i < 15; i++) {
		orbPattern.push(Math.random() < 0.2); // 20% chance of orb
	}
	patternIndex = 0;
}
function spawnObstacle() {
	// Use pattern if available, otherwise random
	var shouldSpawn = obstaclePattern.length > 0 ? obstaclePattern[patternIndex % obstaclePattern.length] : Math.random() < 0.4;
	if (shouldSpawn) {
		var obstacle = new Obstacle();
		obstacle.x = 2200;
		obstacle.y = 2500;
		obstacles.push(obstacle);
		game.addChild(obstacle);
	}
}
function spawnOrb() {
	// Use pattern if available, otherwise random
	var shouldSpawn = orbPattern.length > 0 ? orbPattern[Math.floor(patternIndex / 2) % orbPattern.length] : Math.random() < 0.15;
	if (shouldSpawn) {
		var orb = new Orb();
		orb.x = 2200;
		orb.y = 2200; // Higher up than obstacles
		orbs.push(orb);
		game.addChild(orb);
	}
}
function spawnGroundSegment() {
	var groundSeg = new GroundSegment();
	groundSeg.x = 2200;
	groundSeg.y = 2500;
	groundSegments.push(groundSeg);
	game.addChild(groundSeg);
}
function spawnCeilingSegment() {
	var ceilingSeg = new CeilingSegment();
	ceilingSeg.x = 2200;
	ceilingSeg.y = 100;
	ceilingSegments.push(ceilingSeg);
	game.addChild(ceilingSeg);
}
function resetGame() {
	isGameRunning = false;
	LK.getSound('death').play();
	LK.effects.flashScreen(0xff0000, 500);
	LK.setTimeout(function () {
		LK.showGameOver();
	}, 500);
}
function checkCollisions() {
	if (!isGameRunning) return;
	// Check obstacle collisions with precise hitboxes
	for (var i = 0; i < obstacles.length; i++) {
		var obstacle = obstacles[i];
		// Player hitbox - smaller when powered up
		var hitboxScale = player.isPoweredUp ? 0.7 : 1;
		var playerLeft = player.x - 60 * hitboxScale;
		var playerRight = player.x + 60 * hitboxScale;
		var playerTop = player.y - 80 * hitboxScale;
		var playerBottom = player.y + 80 * hitboxScale;
		// Obstacle hitbox (spike - reduce width by 30% and height by 20% to match visual spike shape)
		var obstacleLeft = obstacle.x - 28;
		var obstacleRight = obstacle.x + 28;
		var obstacleTop = obstacle.y - 55;
		var obstacleBottom = obstacle.y;
		// Check if hitboxes overlap
		if (playerLeft < obstacleRight && playerRight > obstacleLeft && playerTop < obstacleBottom && playerBottom > obstacleTop) {
			resetGame();
			return;
		}
	}
	// Check orb collisions
	for (var i = orbs.length - 1; i >= 0; i--) {
		var orb = orbs[i];
		// Player hitbox - smaller when powered up
		var hitboxScale = player.isPoweredUp ? 0.7 : 1;
		var playerLeft = player.x - 60 * hitboxScale;
		var playerRight = player.x + 60 * hitboxScale;
		var playerTop = player.y - 80 * hitboxScale;
		var playerBottom = player.y + 80 * hitboxScale;
		// Orb hitbox
		var orbLeft = orb.x - 30;
		var orbRight = orb.x + 30;
		var orbTop = orb.y - 30;
		var orbBottom = orb.y + 30;
		// Check if hitboxes overlap
		if (playerLeft < orbRight && playerRight > orbLeft && playerTop < orbBottom && playerBottom > orbTop) {
			// Activate powerup
			player.activatePowerup();
			LK.getSound('powerup').play();
			// Remove orb
			orb.destroy();
			orbs.splice(i, 1);
		}
	}
}
game.down = function (x, y, obj) {
	if (isGameRunning) {
		player.jump();
	}
};
game.update = function () {
	if (!isGameRunning) return;
	// Update distance
	distance += gameSpeed;
	LK.setScore(Math.floor(distance / 10));
	scoreTxt.setText('Distance: ' + Math.floor(distance / 10));
	// Move all background images with game world
	for (var i = 0; i < backgroundImages.length; i++) {
		backgroundImages[i].x -= gameSpeed;
		// Reset background position when it moves too far left for seamless looping
		if (backgroundImages[i].x <= -2048) {
			backgroundImages[i].x += 2048 * backgroundImages.length;
		}
	}
	// Spawn obstacles
	obstacleSpawnTimer++;
	if (obstacleSpawnTimer >= 90) {
		spawnObstacle();
		obstacleSpawnTimer = 0;
		patternIndex++;
		// Generate new pattern every 30 spawns
		if (patternIndex % 30 === 0) {
			generateRandomPattern();
		}
	}
	// Spawn orbs
	orbSpawnTimer++;
	if (orbSpawnTimer >= 180) {
		// Less frequent than obstacles
		spawnOrb();
		orbSpawnTimer = 0;
	}
	// Spawn ground segments
	groundSpawnTimer++;
	if (groundSpawnTimer >= 25) {
		spawnGroundSegment();
		groundSpawnTimer = 0;
	}
	// Spawn ceiling segments
	ceilingSpawnTimer++;
	if (ceilingSpawnTimer >= 25) {
		spawnCeilingSegment();
		ceilingSpawnTimer = 0;
	}
	// Remove off-screen obstacles
	for (var i = obstacles.length - 1; i >= 0; i--) {
		var obstacle = obstacles[i];
		if (obstacle.x < -100) {
			obstacle.destroy();
			obstacles.splice(i, 1);
		}
	}
	// Remove off-screen orbs
	for (var i = orbs.length - 1; i >= 0; i--) {
		var orb = orbs[i];
		if (orb.x < -100) {
			orb.destroy();
			orbs.splice(i, 1);
		}
	}
	// Remove off-screen ground segments
	for (var i = groundSegments.length - 1; i >= 0; i--) {
		var groundSeg = groundSegments[i];
		if (groundSeg.x < -300) {
			groundSeg.destroy();
			groundSegments.splice(i, 1);
		}
	}
	// Remove off-screen ceiling segments
	for (var i = ceilingSegments.length - 1; i >= 0; i--) {
		var ceilingSeg = ceilingSegments[i];
		if (ceilingSeg.x < -300) {
			ceilingSeg.destroy();
			ceilingSegments.splice(i, 1);
		}
	}
	// Check collisions
	checkCollisions();
	// Increase difficulty over time
	if (LK.ticks % 600 === 0 && gameSpeed < 12) {
		gameSpeed += 0.5;
	}
};