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

/**** 
* Classes
****/ 
var CenterLine = Container.expand(function () {
	var self = Container.call(this);
	var lineGraphics = self.attachAsset('centerLine', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		self.y += gameSpeed + 2;
		// Reset position when off screen
		if (self.y > 2800) {
			self.y = -100;
		}
	};
	return self;
});
var Coin = Container.expand(function () {
	var self = Container.call(this);
	var coinGraphics = self.attachAsset('coin', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 3;
	self.update = function () {
		self.y += self.speed + gameSpeed;
	};
	return self;
});
var EnemyCar = Container.expand(function (carType) {
	var self = Container.call(this);
	var assetId = carType || 'enemyCar1';
	var carGraphics = self.attachAsset(assetId, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 3 + Math.random() * 4;
	self.lane = 0;
	self.checkedForNearMiss = false;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var PlayerCar = Container.expand(function () {
	var self = Container.call(this);
	var carGraphics = self.attachAsset('playerCar', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 0;
	self.maxSpeed = 8;
	self.targetX = 0;
	self.update = function () {
		// Smooth drag movement - more responsive than lane switching
		var diff = self.targetX - self.x;
		self.x += diff * 0.15;
		// Keep car within road bounds
		if (self.x < 600) self.x = 600;
		if (self.x > 1448) self.x = 1448;
	};
	return self;
});
var RoadLane = Container.expand(function () {
	var self = Container.call(this);
	var laneGraphics = self.attachAsset('roadLane', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		self.y += gameSpeed + 2;
		// Reset position when off screen
		if (self.y > 2800) {
			self.y = -100;
		}
	};
	return self;
});
var RoadSurface = Container.expand(function () {
	var self = Container.call(this);
	var roadGraphics = self.attachAsset('roadSurface', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});
var Tree = Container.expand(function () {
	var self = Container.call(this);
	// Create tree trunk
	var trunkGraphics = self.attachAsset('treeTrunk', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	trunkGraphics.y = 0;
	// Create tree foliage
	var treeGraphics = self.attachAsset('tree', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	treeGraphics.y = -40;
	self.update = function () {
		self.y += gameSpeed + 1;
		// Reset position when off screen with random placement
		if (self.y > 2800) {
			self.y = -400 - Math.random() * 400; // Random spawn height above screen
			// Randomize horizontal position too
			if (self.x < 1000) {
				// Left side tree
				self.x = 100 + Math.random() * 400;
			} else {
				// Right side tree  
				self.x = 1550 + Math.random() * 400;
			}
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x00ff00
});

/**** 
* Game Code
****/ 
// Game variables
var player;
var enemyCars = [];
var roadLanes = [];
var centerLines = [];
var gameSpeed = 2;
var maxGameSpeed = 12;
var speedIncreaseRate = 0.00175;
var spawnTimer = 0;
var spawnRate = 120;
var distance = 0;
var isGameActive = true;
var dragActive = false;
var gameTime = 0;
var coins = [];
var coinCount = 0;
var nearMissCount = 0;
var nearMissResetTimer = null;
var trees = [];
// Lane positions (3 lanes)
var lanePositions = [700, 1024, 1348];
// Create road surface background
var roadSurface = new RoadSurface();
roadSurface.x = 1024;
roadSurface.y = 1366;
game.addChild(roadSurface);
// Create center lane dividers
for (var i = 0; i < 40; i++) {
	// Left center line (between lane 1 and 2)
	var leftLine = new CenterLine();
	leftLine.x = 862; // Between positions 700 and 1024
	leftLine.y = i * 100 - 500;
	centerLines.push(leftLine);
	game.addChild(leftLine);
	// Right center line (between lane 2 and 3)
	var rightLine = new CenterLine();
	rightLine.x = 1186; // Between positions 1024 and 1348
	rightLine.y = i * 100 - 500;
	centerLines.push(rightLine);
	game.addChild(rightLine);
}
// Create road edge lanes for visual effect
for (var i = 0; i < 20; i++) {
	// Left edge
	var leftEdge = new RoadLane();
	leftEdge.x = 575; // Left side of road
	leftEdge.y = i * 150 - 300;
	roadLanes.push(leftEdge);
	game.addChild(leftEdge);
	// Right edge
	var rightEdge = new RoadLane();
	rightEdge.x = 1473; // Right side of road
	rightEdge.y = i * 150 - 300;
	roadLanes.push(rightEdge);
	game.addChild(rightEdge);
}
// Create background trees with random positioning
for (var i = 0; i < 50; i++) {
	// Left side trees - completely random placement
	var leftTree = new Tree();
	leftTree.x = 100 + Math.random() * 400; // Random position on left side (100-500px)
	leftTree.y = Math.random() * 3000 - 800; // Random vertical position
	trees.push(leftTree);
	game.addChild(leftTree);
	// Right side trees - completely random placement
	var rightTree = new Tree();
	rightTree.x = 1550 + Math.random() * 400; // Random position on right side (1550-1950px)
	rightTree.y = Math.random() * 3000 - 800; // Random vertical position
	trees.push(rightTree);
	game.addChild(rightTree);
}
// Create player car
player = new PlayerCar();
player.x = 1024;
player.y = 2200;
player.targetX = player.x;
game.addChild(player);
// Score display
var scoreText = new Text2('Score: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
// Generate random colors for counters
var randomColors = [0xff6b6b,
// Red
0x4ecdc4,
// Teal
0x45b7d1,
// Blue
0x96ceb4,
// Green
0xffeaa7,
// Yellow
0xdda0dd,
// Plum
0xff7675,
// Light Red
0x74b9ff,
// Light Blue
0x00b894,
// Emerald
0xfdcb6e,
// Orange
0xe17055,
// Terracotta
0x6c5ce7 // Purple
];
// Distance display
var distanceText = new Text2('Distance: 0m', {
	size: 45,
	fill: 0x000000
});
distanceText.anchor.set(0, 0);
distanceText.x = 50;
distanceText.y = 100;
LK.gui.addChild(distanceText);
// Timer display
var timerText = new Text2('Time: 00:00', {
	size: 45,
	fill: 0x000000
});
timerText.anchor.set(0, 0);
timerText.x = 50;
timerText.y = 200;
LK.gui.addChild(timerText);
// Coin counter display
var coinText = new Text2('Coins: 0', {
	size: 45,
	fill: 0x000000
});
coinText.anchor.set(1, 0);
coinText.x = LK.gui.width - 50;
coinText.y = 200;
LK.gui.addChild(coinText);
// Speed display
var speedText = new Text2('Speed: 0 km/h', {
	size: 45,
	fill: 0x000000
});
speedText.anchor.set(1, 0);
speedText.x = LK.gui.width - 50;
speedText.y = 100;
LK.gui.addChild(speedText);
// Near miss counter display
var nearMissText = new Text2('Near Miss: 0', {
	size: 45,
	fill: 0x000000
});
nearMissText.anchor.set(0, 0);
nearMissText.x = 50;
nearMissText.y = 300;
LK.gui.addChild(nearMissText);
function spawnEnemyCar() {
	if (!isGameActive) return;
	var carTypes = ['enemyCar1', 'enemyCar2', 'truck', 'bus'];
	var randomType = carTypes[Math.floor(Math.random() * carTypes.length)];
	var enemy = new EnemyCar(randomType);
	// Choose random lane
	var laneIndex = Math.floor(Math.random() * lanePositions.length);
	enemy.x = lanePositions[laneIndex];
	enemy.y = -200;
	enemy.lane = laneIndex;
	enemy.checkedForOvertake = false;
	enemy.lastY = enemy.y;
	enemyCars.push(enemy);
	game.addChild(enemy);
}
function checkCollisions() {
	if (!isGameActive) return;
	for (var i = enemyCars.length - 1; i >= 0; i--) {
		var enemy = enemyCars[i];
		// Check collision with player
		if (player.intersects(enemy)) {
			// Game over
			isGameActive = false;
			LK.getSound('crash').play();
			LK.effects.flashScreen(0xff0000, 1000);
			// Show game statistics before game over
			showGameStats();
			LK.showGameOver();
			return;
		}
		// Check for near miss bonus
		if (!enemy.checkedForNearMiss && Math.abs(enemy.y - player.y) < 100 && Math.abs(enemy.x - player.x) < 150) {
			enemy.checkedForNearMiss = true;
			nearMissCount++;
			// Cancel existing reset timer if running
			if (nearMissResetTimer) {
				tween.stop(nearMissResetTimer);
			}
			// Start new 5 second reset timer
			nearMissResetTimer = {};
			tween(nearMissResetTimer, {
				dummy: 1
			}, {
				duration: 5000,
				onFinish: function onFinish() {
					nearMissCount = 0;
					nearMissResetTimer = null;
				}
			});
			LK.setScore(LK.getScore() + 10);
			LK.getSound('nearMiss').play();
			LK.effects.flashObject(player, 0x00ff00, 200);
			// Flash screen with subtle white flash for near miss
			LK.effects.flashScreen(0xffffff, 300);
		}
		// Check for close overtaking bonus - when player passes enemy car closely
		if (!enemy.checkedForOvertake && enemy.y > player.y && enemy.lastY <= player.y && Math.abs(enemy.x - player.x) < 120) {
			enemy.checkedForOvertake = true;
			LK.getSound('nearMiss').play();
			LK.effects.flashObject(player, 0xffff00, 300);
		}
		// Update last position for overtaking detection
		enemy.lastY = enemy.y;
		// Remove cars that are off screen
		if (enemy.y > 2900) {
			enemy.destroy();
			enemyCars.splice(i, 1);
		}
	}
}
function showGameStats() {
	// Calculate final statistics
	var finalScore = LK.getScore();
	var finalMinutes = Math.floor(gameTime / 3600);
	var finalSeconds = Math.floor(gameTime % 3600 / 60);
	var finalTimeText = (finalMinutes < 10 ? '0' : '') + finalMinutes + ':' + (finalSeconds < 10 ? '0' : '') + finalSeconds;
	var finalDistance = (Math.floor(distance) / 10).toFixed(1);
	// Create statistics display container
	var statsContainer = new Container();
	statsContainer.x = 1024;
	statsContainer.y = 1366;
	// Background for stats
	var statsBg = LK.getAsset('roadSurface', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 800,
		height: 600,
		alpha: 0.9
	});
	statsBg.tint = 0x2c3e50;
	statsContainer.addChild(statsBg);
	// Title
	var titleText = new Text2('GAME OVER - FINAL STATS', {
		size: 60,
		fill: 0xFFFFFF
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.y = -200;
	statsContainer.addChild(titleText);
	// Score
	var finalScoreText = new Text2('Total Score: ' + finalScore, {
		size: 50,
		fill: 0xffd700
	});
	finalScoreText.anchor.set(0.5, 0.5);
	finalScoreText.y = -100;
	statsContainer.addChild(finalScoreText);
	// Time
	var finalTimeDisplayText = new Text2('Total Time: ' + finalTimeText, {
		size: 50,
		fill: 0x74b9ff
	});
	finalTimeDisplayText.anchor.set(0.5, 0.5);
	finalTimeDisplayText.y = -25;
	statsContainer.addChild(finalTimeDisplayText);
	// Near Misses
	var finalNearMissText = new Text2('Total Near Misses: ' + nearMissCount, {
		size: 50,
		fill: 0xff6b6b
	});
	finalNearMissText.anchor.set(0.5, 0.5);
	finalNearMissText.y = 50;
	statsContainer.addChild(finalNearMissText);
	// Coins
	var finalCoinText = new Text2('Total Coins: ' + coinCount, {
		size: 50,
		fill: 0x00b894
	});
	finalCoinText.anchor.set(0.5, 0.5);
	finalCoinText.y = 125;
	statsContainer.addChild(finalCoinText);
	// Distance
	var finalDistanceText = new Text2('Distance: ' + finalDistance + ' km', {
		size: 50,
		fill: 0x96ceb4
	});
	finalDistanceText.anchor.set(0.5, 0.5);
	finalDistanceText.y = 200;
	statsContainer.addChild(finalDistanceText);
	game.addChild(statsContainer);
	// Auto-remove stats after 3 seconds
	LK.setTimeout(function () {
		if (statsContainer && statsContainer.parent) {
			statsContainer.destroy();
		}
	}, 3000);
}
function updateUI() {
	scoreText.setText('Score: ' + LK.getScore());
	// Change score color to green when speed exceeds 65 km/h
	var currentSpeedKmh = Math.floor(gameSpeed * 10);
	if (currentSpeedKmh > 65) {
		scoreText.tint = 0x00ff00;
	} else {
		scoreText.tint = 0xFFFFFF;
	}
	distanceText.setText('Distance: ' + (Math.floor(distance) / 10).toFixed(1) + ' km');
	// Cap speed display at 250 km/h
	var displaySpeed = Math.min(Math.floor(gameSpeed * 10), 250);
	speedText.setText('Speed: ' + displaySpeed + ' km/h');
	var minutes = Math.floor(gameTime / 3600);
	var seconds = Math.floor(gameTime % 3600 / 60);
	timerText.setText('Time: ' + (minutes < 10 ? '0' : '') + minutes + ':' + (seconds < 10 ? '0' : '') + seconds);
	coinText.setText('Coins: ' + coinCount);
	nearMissText.setText('Near Miss: ' + nearMissCount);
}
// Drag controls - start dragging
game.down = function (x, y, obj) {
	if (!isGameActive) return;
	dragActive = true;
	player.targetX = x;
};
game.move = function (x, y, obj) {
	if (!isGameActive || !dragActive) return;
	// Smooth drag movement
	player.targetX = x;
	// Constrain to road bounds
	if (player.targetX < 600) player.targetX = 600;
	if (player.targetX > 1448) player.targetX = 1448;
};
game.up = function (x, y, obj) {
	dragActive = false;
};
// Main game loop
game.update = function () {
	if (!isGameActive) return;
	// Update game time (60 FPS)
	gameTime++;
	// Increase game speed gradually
	if (gameSpeed < maxGameSpeed) {
		gameSpeed += speedIncreaseRate;
	}
	// Update distance
	distance += gameSpeed * 0.1 * 0.045;
	// Add distance points - score increases with speed, but only start scoring at 25 km/h
	if (LK.ticks % 40 === 0) {
		var speedBonus = Math.floor(gameSpeed);
		var currentSpeedKmh = Math.floor(gameSpeed * 10);
		if (currentSpeedKmh >= 25) {
			// Only start scoring when speed is 25 km/h or higher
			if (currentSpeedKmh > 65) {
				LK.setScore(LK.getScore() + 4);
			} else {
				LK.setScore(LK.getScore() + 2);
			}
		}
	}
	// Check if we crossed a 5 km threshold for coins
	var currentKm = Math.floor(Math.floor(distance) / 10 / 5);
	var lastKm = Math.floor(Math.floor(distance - gameSpeed * 0.1 * 0.045) / 10 / 5);
	if (currentKm > lastKm) {
		coinCount += currentKm - lastKm;
	}
	// Spawn enemy cars
	spawnTimer++;
	var currentSpawnRate = Math.max(30, spawnRate - Math.floor(gameSpeed * 8));
	if (spawnTimer >= currentSpawnRate) {
		spawnEnemyCar();
		spawnTimer = 0;
	}
	// Check collisions
	checkCollisions();
	// Update UI
	updateUI();
	// Victory condition - survive for very long distance
	if (distance >= 10000) {
		isGameActive = false;
		LK.showYouWin();
	}
};