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

/**** 
* Classes
****/ 
var F1Car = Container.expand(function () {
	var self = Container.call(this);
	var carGraphics = self.attachAsset('f1Car', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lane = 1; // 0 = left, 1 = center, 2 = right
	self.isJumping = false;
	self.jumpStartY = 0;
	self.moveToLane = function (targetLane) {
		if (targetLane < 0 || targetLane > 2) {
			return;
		}
		self.lane = targetLane;
		var targetX = lanePositions[targetLane];
		tween(self, {
			x: targetX
		}, {
			duration: 200,
			easing: tween.easeOut
		});
	};
	self.jump = function () {
		if (self.isJumping || jumpPower < 5) {
			return;
		}
		self.isJumping = true;
		self.jumpStartY = self.y;
		// Consume 5 jump power points
		jumpPower -= 5;
		// Update jump power bar scale
		jumpPowerBar.scaleY = Math.min(jumpPower / 20, 1);
		// Move player car to front (above other cars) when jumping
		self.parent.addChild(self);
		// Jump animation
		tween(self, {
			y: self.jumpStartY - 25,
			scaleX: 1.2,
			scaleY: 1.2
		}, {
			duration: 450,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(self, {
					y: self.jumpStartY,
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 450,
					easing: tween.easeIn,
					onFinish: function onFinish() {
						self.isJumping = false;
					}
				});
			}
		});
		// Play sound only (no points awarded)
		LK.getSound('jump').play();
	};
	return self;
});
var SportsCar = Container.expand(function () {
	var self = Container.call(this);
	var carGraphics = self.attachAsset('sportsCar', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 12; // Faster than regular traffic
	self.lane = 0;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var TrafficCar = Container.expand(function () {
	var self = Container.call(this);
	var carGraphics = self.attachAsset('trafficCar', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	self.lane = 0;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var Truck = Container.expand(function () {
	var self = Container.call(this);
	var carGraphics = self.attachAsset('truck', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 1; // Slower than regular traffic
	self.lane = 0;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x228B22
});

/**** 
* Game Code
****/ 
// Game state management
var gameState = "menu"; // "menu", "playing"
// Lane positions
var lanePositions = [2048 / 2 - 300, 2048 / 2, 2048 / 2 + 300];
// Global game variables
var roadBg;
var leftLane;
var rightLane;
var playerCar;
var trafficCars;
var trees;
var spawnTimer;
var gameSpeed;
var difficultyTimer;
var scoreTxt;
var levelTxt;
var currentLevel;
var dragStartX;
var dragStartY;
var isDragging;
var lastMoveTime;
var jumpPowerBarBg;
var jumpPowerBar;
var jumpPower = 0;
// Main menu elements
var menuContainer;
var titleText;
var playButton;
var playButtonText;
function createMainMenu() {
	menuContainer = game.addChild(new Container());
	// Game title
	titleText = new Text2('F1 HIGHWAY RUSH', {
		size: 120,
		fill: 0xFFFFFF
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.x = 2048 / 2;
	titleText.y = 800;
	menuContainer.addChild(titleText);
	// Best score display
	var bestScore = storage.bestScore || 0;
	var bestScoreText = new Text2('BEST: ' + bestScore, {
		size: 60,
		fill: 0xFFD700
	});
	bestScoreText.anchor.set(0.5, 0.5);
	bestScoreText.x = 2048 / 2;
	bestScoreText.y = 950;
	menuContainer.addChild(bestScoreText);
	// Play button background
	playButton = menuContainer.addChild(LK.getAsset('road', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 1400,
		scaleX: 0.4,
		scaleY: 0.3
	}));
	// Play button text
	playButtonText = new Text2('TAP TO PLAY', {
		size: 80,
		fill: 0xFFFFFF
	});
	playButtonText.anchor.set(0.5, 0.5);
	playButtonText.x = 2048 / 2;
	playButtonText.y = 1400;
	menuContainer.addChild(playButtonText);
	// Info button background
	var infoButton = menuContainer.addChild(LK.getAsset('road', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 1600,
		scaleX: 0.3,
		scaleY: 0.25
	}));
	// Info button text
	var infoButtonText = new Text2('INFO', {
		size: 60,
		fill: 0xFFFFFF
	});
	infoButtonText.anchor.set(0.5, 0.5);
	infoButtonText.x = 2048 / 2;
	infoButtonText.y = 1600;
	menuContainer.addChild(infoButtonText);
	// Info button press effect
	infoButton.down = function (x, y, obj) {
		tween(infoButton, {
			scaleX: 0.25,
			scaleY: 0.2
		}, {
			duration: 100,
			easing: tween.easeOut
		});
	};
	infoButton.up = function (x, y, obj) {
		tween(infoButton, {
			scaleX: 0.3,
			scaleY: 0.25
		}, {
			duration: 100,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				showInfoScreen();
			}
		});
	};
	// Button press effect
	playButton.down = function (x, y, obj) {
		tween(playButton, {
			scaleX: 0.35,
			scaleY: 0.25
		}, {
			duration: 100,
			easing: tween.easeOut
		});
	};
	playButton.up = function (x, y, obj) {
		tween(playButton, {
			scaleX: 0.4,
			scaleY: 0.3
		}, {
			duration: 100,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				startGame();
			}
		});
	};
}
function startGame() {
	gameState = "playing";
	menuContainer.destroy();
	initializeGameplay();
}
function showInfoScreen() {
	menuContainer.visible = false;
	infoContainer = game.addChild(new Container());
	// Info title
	var infoTitle = new Text2('HOW TO PLAY', {
		size: 100,
		fill: 0xFFFFFF
	});
	infoTitle.anchor.set(0.5, 0.5);
	infoTitle.x = 2048 / 2;
	infoTitle.y = 400;
	infoContainer.addChild(infoTitle);
	// Instructions
	var instructions = ['Avoid the cars!', 'Swipe left/right to change lanes', 'Drag up/down to move freely', 'Tap to jump over cars', 'Jump uses 5 power points', 'Power recharges over time', 'Survive as long as possible!'];
	for (var i = 0; i < instructions.length; i++) {
		var instructionText = new Text2(instructions[i], {
			size: 60,
			fill: 0xFFFFFF
		});
		instructionText.anchor.set(0.5, 0.5);
		instructionText.x = 2048 / 2;
		instructionText.y = 700 + i * 100;
		infoContainer.addChild(instructionText);
	}
	// Back button
	var backButton = infoContainer.addChild(LK.getAsset('road', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 1800,
		scaleX: 0.3,
		scaleY: 0.25
	}));
	var backButtonText = new Text2('BACK', {
		size: 60,
		fill: 0xFFFFFF
	});
	backButtonText.anchor.set(0.5, 0.5);
	backButtonText.x = 2048 / 2;
	backButtonText.y = 1800;
	infoContainer.addChild(backButtonText);
	// Back button press effect
	backButton.down = function (x, y, obj) {
		tween(backButton, {
			scaleX: 0.25,
			scaleY: 0.2
		}, {
			duration: 100,
			easing: tween.easeOut
		});
	};
	backButton.up = function (x, y, obj) {
		tween(backButton, {
			scaleX: 0.3,
			scaleY: 0.25
		}, {
			duration: 100,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				infoContainer.destroy();
				menuContainer.visible = true;
			}
		});
	};
}
function initializeGameplay() {
	// Initialize game variables
	// Create road background
	roadBg = game.addChild(LK.getAsset('road', {
		anchorX: 0.5,
		anchorY: 0,
		x: 2048 / 2,
		y: 0,
		scaleY: 10
	}));
	// Add grass on the left side of the road
	var leftGrass = game.addChild(LK.getAsset('grass', {
		anchorX: 1,
		anchorY: 0,
		x: lanePositions[0] - 300,
		y: 0,
		scaleX: 0.5
	}));
	// Add grass on the right side of the road
	var rightGrass = game.addChild(LK.getAsset('grass', {
		anchorX: 0,
		anchorY: 0,
		x: lanePositions[2] + 300,
		y: 0,
		scaleX: 0.5
	}));
	// Create lane dividers - make road corners more visible
	leftLane = game.addChild(LK.getAsset('lane', {
		anchorX: 0.5,
		anchorY: 0,
		x: lanePositions[0] + 150,
		y: 0
	}));
	rightLane = game.addChild(LK.getAsset('lane', {
		anchorX: 0.5,
		anchorY: 0,
		x: lanePositions[1] + 150,
		y: 0
	}));
	// Add outer lane boundaries to make road edges more visible
	var leftBoundary = game.addChild(LK.getAsset('lane', {
		anchorX: 0.5,
		anchorY: 0,
		x: lanePositions[0] - 150,
		y: 0,
		scaleX: 2
	}));
	var rightBoundary = game.addChild(LK.getAsset('lane', {
		anchorX: 0.5,
		anchorY: 0,
		x: lanePositions[2] + 150,
		y: 0,
		scaleX: 2
	}));
	// Create player car
	playerCar = game.addChild(new F1Car());
	playerCar.x = lanePositions[1];
	playerCar.y = 2200;
	// Traffic management
	trafficCars = [];
	trees = [];
	spawnTimer = 0;
	gameSpeed = 1;
	difficultyTimer = 0;
	currentLevel = 0;
	// Score display - centered at top with larger size
	scoreTxt = new Text2('SCORE: 0', {
		size: 80,
		fill: 0xFFFFFF
	});
	scoreTxt.anchor.set(0.5, 0);
	scoreTxt.x = 0;
	scoreTxt.y = 20;
	LK.gui.top.addChild(scoreTxt);
	// Level display - orange color, positioned below score
	levelTxt = new Text2('LEVEL 0', {
		size: 60,
		fill: 0xFF8C00
	});
	levelTxt.anchor.set(0.5, 0);
	levelTxt.x = 0;
	levelTxt.y = 110;
	LK.gui.top.addChild(levelTxt);
	// Best score display - gold color, positioned below level
	var bestScoreGameTxt = new Text2('BEST: ' + (storage.bestScore || 0), {
		size: 50,
		fill: 0xFFD700
	});
	bestScoreGameTxt.anchor.set(0.5, 0);
	bestScoreGameTxt.x = 0;
	bestScoreGameTxt.y = 180;
	LK.gui.top.addChild(bestScoreGameTxt);
	// Jump power bar background
	jumpPowerBarBg = game.addChild(LK.getAsset('jumpPowerBarBg', {
		anchorX: 0.5,
		anchorY: 1,
		x: 2048 - 100,
		y: 2400
	}));
	// Jump power bar fill
	jumpPowerBar = game.addChild(LK.getAsset('jumpPowerBar', {
		anchorX: 0.5,
		anchorY: 1,
		x: 2048 - 100,
		y: 2400,
		scaleY: 0
	}));
	// Control variables
	dragStartX = 0;
	dragStartY = 0;
	isDragging = false;
	lastMoveTime = 0;
}
// Touch controls
game.down = function (x, y, obj) {
	if (gameState !== "playing") {
		return;
	}
	dragStartX = x;
	dragStartY = y;
	isDragging = true;
	lastMoveTime = Date.now();
};
game.move = function (x, y, obj) {
	if (gameState !== "playing" || !isDragging) {
		return;
	}
	var deltaX = x - dragStartX;
	var deltaY = y - dragStartY;
	var currentTime = Date.now();
	// Lane switching (horizontal swipe)
	if (Math.abs(deltaX) > 150 && Math.abs(deltaX) > Math.abs(deltaY)) {
		if (deltaX > 0 && playerCar.lane < 2) {
			playerCar.moveToLane(playerCar.lane + 1);
		} else if (deltaX < 0 && playerCar.lane > 0) {
			playerCar.moveToLane(playerCar.lane - 1);
		}
		isDragging = false;
		return;
	}
	// Free movement - follow drag position for vertical movement
	if (isDragging) {
		// Calculate new Y position based on drag
		var newY = playerCar.y + deltaY * 0.5; // Scale factor for smooth movement
		// Constrain movement within road boundaries
		newY = Math.max(Math.min(newY, 2500), 200);
		// Update player position
		playerCar.y = newY;
		if (playerCar.isJumping) {
			// If jumping, update jump start position to maintain relative jump height
			playerCar.jumpStartY = newY;
		}
		// Update drag start position for continuous movement
		dragStartY = y;
	}
};
game.up = function (x, y, obj) {
	if (gameState !== "playing" || !isDragging) {
		return;
	}
	var deltaX = x - dragStartX;
	var deltaY = y - dragStartY;
	var swipeDistance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
	// Tap for jump (small movement distance indicates a tap)
	if (swipeDistance < 30) {
		playerCar.jump();
	}
	isDragging = false;
};
// Spawn traffic
function spawnTree() {
	// Create tree container
	var tree = new Container();
	// Add trunk
	var trunk = tree.attachAsset('treeTrunk', {
		anchorX: 0.5,
		anchorY: 1
	});
	// Position tree on either left or right grass area
	var side = Math.random() < 0.5 ? 'left' : 'right';
	if (side === 'left') {
		tree.x = lanePositions[0] - 300 - Math.random() * 400; // Left grass area
	} else {
		tree.x = lanePositions[2] + 300 + Math.random() * 400; // Right grass area
	}
	tree.y = -100; // Start above screen
	tree.speed = 8 + gameSpeed * 2; // Same speed as traffic
	// Add update method for tree movement
	tree.update = function () {
		tree.y += tree.speed;
	};
	trees.push(tree);
	game.addChild(tree);
}
function spawnTraffic() {
	var lane = Math.floor(Math.random() * 3);
	var traffic;
	var carType = Math.random();
	// 33% regular cars, 33% sports cars, 33% trucks
	if (carType < 0.33) {
		traffic = new TrafficCar();
		traffic.speed = 8 + gameSpeed * 2;
	} else if (carType < 0.66) {
		traffic = new SportsCar();
		traffic.speed = 12 + gameSpeed * 2;
	} else {
		traffic = new Truck();
		traffic.speed = 6 + gameSpeed * 2;
	}
	traffic.x = lanePositions[lane];
	traffic.y = -100;
	traffic.lane = lane;
	trafficCars.push(traffic);
	game.addChild(traffic);
}
// Check collisions
function checkCollisions() {
	for (var i = trafficCars.length - 1; i >= 0; i--) {
		var traffic = trafficCars[i];
		// Check collision with player (only if not jumping)
		if (!playerCar.isJumping && traffic.lane === playerCar.lane) {
			var distance = Math.abs(traffic.y - playerCar.y);
			// Different collision distances based on car type
			var collisionDistance = 150; // Default for TrafficCar
			if (traffic instanceof SportsCar) {
				collisionDistance = 125; // Smaller sports car
			} else if (traffic instanceof Truck) {
				collisionDistance = 175; // Larger truck
			}
			if (distance < collisionDistance) {
				// Collision detected
				LK.getSound('crash').play();
				LK.effects.flashScreen(0xFF0000, 1000);
				LK.showGameOver();
				return;
			}
		}
		// Remove off-screen traffic
		if (traffic.y > 2800) {
			traffic.destroy();
			trafficCars.splice(i, 1);
		}
	}
}
// Initialize main menu
createMainMenu();
// Main game loop
game.update = function () {
	if (gameState !== "playing") {
		return;
	}
	// Update score display
	scoreTxt.setText('SCORE: ' + LK.getScore());
	// Spawn traffic
	spawnTimer++;
	var spawnRate = Math.max(30 - Math.floor(gameSpeed * 3), 15);
	if (spawnTimer >= spawnRate) {
		spawnTimer = 0;
		spawnTraffic();
	}
	// Spawn trees occasionally
	if (LK.ticks % 180 === 0) {
		// Every 3 seconds
		spawnTree();
	}
	// Update and cleanup trees
	for (var t = trees.length - 1; t >= 0; t--) {
		var tree = trees[t];
		// Remove off-screen trees
		if (tree.y > 2800) {
			tree.destroy();
			trees.splice(t, 1);
		}
	}
	// Increase difficulty over time
	difficultyTimer++;
	if (difficultyTimer >= 300) {
		// Every 5 seconds
		difficultyTimer = 0;
		gameSpeed += 0.1;
	}
	// Increase car speed by 10% every 10 points
	var currentScore = LK.getScore();
	var speedMultiplier = 1.2 + Math.floor(currentScore / 10) * 0.1;
	for (var i = 0; i < trafficCars.length; i++) {
		trafficCars[i].speed = (8 + gameSpeed * 2) * speedMultiplier;
	}
	// Check collisions
	checkCollisions();
	// Add survival points
	if (LK.ticks % 60 === 0) {
		// Every second
		LK.setScore(LK.getScore() + 1);
	}
	// Check for level progression (every 10 points = new level)
	var newLevel = Math.floor(LK.getScore() / 10);
	if (newLevel > currentLevel) {
		currentLevel = newLevel;
		levelTxt.setText('LEVEL ' + currentLevel);
		// Flash level text to indicate level up
		LK.effects.flashObject(levelTxt, 0xFFD700, 1000);
	}
	// Update jump power (recharges slower)
	if (LK.ticks % 60 === 0) {
		// Every second
		jumpPower = Math.min(jumpPower + 1.5, 20); // Max 20 power points
		// Update jump power bar scale
		jumpPowerBar.scaleY = Math.min(jumpPower / 20, 1);
	}
};