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

/**** 
* Classes
****/ 
// Coin class
var Coin = Container.expand(function () {
	var self = Container.call(this);
	var coinAsset = self.attachAsset('coin', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = coinAsset.width;
	self.height = coinAsset.height;
	self.update = function () {
		// Optionally animate coin
	};
	return self;
});
// Enemy class
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyAsset = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 1
	});
	self.vx = -5;
	self.width = enemyAsset.width;
	self.height = enemyAsset.height;
	self.update = function () {
		// Only update enemy movement when game is playing
		if (gameState !== 'playing') return;
		self.x += self.vx;
		if (self.lastX === undefined) self.lastX = self.x;
	};
	return self;
});
// GoldCoin class - worth 2 points
var GoldCoin = Container.expand(function () {
	var self = Container.call(this);
	var goldCoinAsset = self.attachAsset('goldCoin', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	goldCoinAsset.tint = 0xFFD700; // Golden color
	self.width = goldCoinAsset.width;
	self.height = goldCoinAsset.height;
	self.update = function () {
		// Optionally animate gold coin
	};
	return self;
});
// Platform class
var Platform = Container.expand(function () {
	var self = Container.call(this);
	var platAsset = self.attachAsset('platform', {
		anchorX: 0,
		anchorY: 0
	});
	self.width = platAsset.width;
	self.height = platAsset.height;
	// Allow dynamic width scaling
	self.setWidth = function (newWidth) {
		self.width = newWidth;
		platAsset.scaleX = newWidth / platAsset.width;
	};
	return self;
});
// Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerAsset = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 1
	});
	self.vx = 0;
	self.vy = 0;
	self.isOnGround = false;
	self.width = playerAsset.width;
	self.height = playerAsset.height;
	self.update = function () {
		// Gravity
		self.vy += 2.5;
		// Clamp vy
		if (self.vy > 60) self.vy = 60;
		// Update sprite direction based on movement
		if (self.vx > 0) {
			// Moving right - face right (normal)
			playerAsset.scaleX = Math.abs(playerAsset.scaleX);
		} else if (self.vx < 0) {
			// Moving left - face left (flipped)
			playerAsset.scaleX = -Math.abs(playerAsset.scaleX);
		}
		self.x += self.vx;
		self.y += self.vy;
		// Save last position for collision checks
		if (self.lastX === undefined) self.lastX = self.x;
		if (self.lastY === undefined) self.lastY = self.y;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87ceeb // sky blue
});

/**** 
* Game Code
****/ 
// Import tween plugin for animations
// --- Game variables ---
var gameState = 'menu'; // 'menu' or 'playing'
var menuContainer;
var startButton;
var titleText;
var player;
var platforms = [];
var coins = [];
var goldCoins = [];
var enemies = [];
var score = 0;
var scoreTxt;
var dragStartX = null;
var dragStartY = null;
var jumpQueued = false;
var enemySpawnDelay = 0; // Delay counter for enemy spawning
var gameOverContainer;
var highScore = storage.highScore || 0;
// --- Setup main menu ---
function setupMenu() {
	menuContainer = new Container();
	game.addChild(menuContainer);
	// Title text
	titleText = new Text2('LizardRun', {
		size: 200,
		fill: 0x00FF00,
		font: "'Arial Black', 'Helvetica', sans-serif",
		stroke: 0x000000,
		strokeThickness: 6,
		dropShadow: true,
		dropShadowColor: 0x000000,
		dropShadowBlur: 6,
		dropShadowAngle: Math.PI / 4,
		dropShadowDistance: 8
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.x = 2048 / 2;
	titleText.y = 2732 / 2 - 300;
	menuContainer.addChild(titleText);
	// Start button background
	var buttonBg = LK.getAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2,
		scaleY: 2
	});
	buttonBg.x = 400;
	buttonBg.y = 2732 / 2 + 100;
	menuContainer.addChild(buttonBg);
	// Start button text
	startButton = new Text2('START GAME', {
		size: 120,
		fill: 0xFFFFFF
	});
	startButton.anchor.set(0.5, 0.5);
	startButton.x = 2048 / 2;
	startButton.y = 2732 / 2 + 100;
	menuContainer.addChild(startButton);
	// Make button interactive
	startButton.interactive = true;
	startButton.down = function () {
		startGame();
	};
	// Add enemy on right side of menu
	var menuEnemy = LK.getAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2,
		scaleY: 2
	});
	menuEnemy.x = 1648; // Right side of screen
	menuEnemy.y = 2732 / 2 + 100;
	menuContainer.addChild(menuEnemy);
}
function startGame() {
	// Remove menu
	if (menuContainer) {
		menuContainer.destroy();
		menuContainer = null;
	}
	// Set game state to playing
	gameState = 'playing';
	// Setup the actual game
	setupLevel();
}
function showCustomGameOver() {
	// Set game state to stop game loop
	gameState = 'gameOver';
	// Update high score if current score is higher
	if (score > highScore) {
		highScore = score;
		storage.highScore = highScore;
	}
	// Remove existing game over container if it exists
	if (gameOverContainer) {
		game.removeChild(gameOverContainer);
		gameOverContainer.destroy();
		gameOverContainer = null;
	}
	// Create game over container
	gameOverContainer = new Container();
	game.addChild(gameOverContainer);
	// Background
	var bgOverlay = LK.getAsset('platform', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.2,
		scaleY: 0.8
	});
	bgOverlay.x = 2048 / 2;
	bgOverlay.y = 2732 / 2;
	bgOverlay.alpha = 0.8;
	bgOverlay.tint = 0x000000;
	gameOverContainer.addChild(bgOverlay);
	// Game Over title
	var gameOverTitle = new Text2('GAME OVER', {
		size: 180,
		fill: 0xFF0000,
		font: "'Arial Black', 'Helvetica', sans-serif",
		stroke: 0x000000,
		strokeThickness: 6,
		dropShadow: true,
		dropShadowColor: 0x000000,
		dropShadowBlur: 6,
		dropShadowAngle: Math.PI / 4,
		dropShadowDistance: 8
	});
	gameOverTitle.anchor.set(0.5, 0.5);
	gameOverTitle.x = 2048 / 2;
	gameOverTitle.y = 2732 / 2 - 300;
	gameOverContainer.addChild(gameOverTitle);
	// Current score
	var currentScoreText = new Text2('Score: ' + score, {
		size: 120,
		fill: 0xFFFFFF,
		font: "'Arial Black', 'Helvetica', sans-serif",
		stroke: 0xFFD700,
		strokeThickness: 4,
		dropShadow: true,
		dropShadowColor: 0x000000,
		dropShadowBlur: 4,
		dropShadowAngle: Math.PI / 4,
		dropShadowDistance: 6
	});
	currentScoreText.anchor.set(0.5, 0.5);
	currentScoreText.x = 2048 / 2;
	currentScoreText.y = 2732 / 2 - 100;
	gameOverContainer.addChild(currentScoreText);
	// High score
	var highScoreText = new Text2('High Score: ' + highScore, {
		size: 120,
		fill: 0xFFD700,
		font: "'Arial Black', 'Helvetica', sans-serif",
		stroke: 0x000000,
		strokeThickness: 4,
		dropShadow: true,
		dropShadowColor: 0x000000,
		dropShadowBlur: 4,
		dropShadowAngle: Math.PI / 4,
		dropShadowDistance: 6
	});
	highScoreText.anchor.set(0.5, 0.5);
	highScoreText.x = 2048 / 2;
	highScoreText.y = 2732 / 2 + 50;
	gameOverContainer.addChild(highScoreText);
	// Play again button
	var playAgainButton = new Text2('PLAY AGAIN', {
		size: 100,
		fill: 0x00FF00,
		font: "'Arial Black', 'Helvetica', sans-serif",
		stroke: 0x000000,
		strokeThickness: 3,
		dropShadow: true,
		dropShadowColor: 0x000000,
		dropShadowBlur: 3,
		dropShadowAngle: Math.PI / 4,
		dropShadowDistance: 5
	});
	playAgainButton.anchor.set(0.5, 0.5);
	playAgainButton.x = 2048 / 2;
	playAgainButton.y = 2732 / 2 + 250;
	playAgainButton.interactive = true;
	playAgainButton.down = function () {
		// Hide game over screen first
		if (gameOverContainer) {
			game.removeChild(gameOverContainer);
			gameOverContainer.destroy();
			gameOverContainer = null;
		}
		// Reset score
		score = 0;
		// Clear all game objects
		for (var i = 0; i < coins.length; i++) {
			coins[i].destroy();
		}
		for (var i = 0; i < goldCoins.length; i++) {
			goldCoins[i].destroy();
		}
		for (var i = 0; i < enemies.length; i++) {
			enemies[i].destroy();
		}
		for (var i = 0; i < platforms.length; i++) {
			platforms[i].destroy();
		}
		if (player) player.destroy();
		if (scoreTxt) {
			scoreTxt.destroy();
			scoreTxt = null;
		}
		// Reset control states
		isHoldingLeft = false;
		isHoldingRight = false;
		jumpQueued = false;
		enemySpawnDelay = 0;
		// Clear arrays
		coins = [];
		goldCoins = [];
		enemies = [];
		platforms = [];
		player = null;
		// Start new game
		gameState = 'playing';
		setupLevel();
	};
	gameOverContainer.addChild(playAgainButton);
}
// --- Setup game objects ---
function setupLevel() {
	// Player
	player = new Player();
	player.x = 300;
	player.y = 2300; // Position player on ground
	game.addChild(player);
	// Ground platform - single flat ground across entire screen
	var ground = new Platform();
	ground.x = 0;
	ground.y = 2400;
	ground.setWidth(2500); // Extended platform width
	game.addChild(ground);
	platforms.push(ground);
	// Coins
	var coin1 = new Coin();
	coin1.x = 750;
	coin1.y = 2300;
	game.addChild(coin1);
	coins.push(coin1);
	var coin2 = new Coin();
	coin2.x = 1250;
	coin2.y = 2200;
	game.addChild(coin2);
	coins.push(coin2);
	var coin3 = new Coin();
	coin3.x = 1700;
	coin3.y = 2300;
	game.addChild(coin3);
	coins.push(coin3);
	// Gold coins - worth 2 points each
	var goldCoin1 = new GoldCoin();
	goldCoin1.x = 900;
	goldCoin1.y = 2250;
	game.addChild(goldCoin1);
	goldCoins.push(goldCoin1);
	var goldCoin2 = new GoldCoin();
	goldCoin2.x = 1500;
	goldCoin2.y = 2150;
	game.addChild(goldCoin2);
	goldCoins.push(goldCoin2);
	// Enemies
	var enemy1 = new Enemy();
	enemy1.x = 1000;
	enemy1.y = 2400;
	game.addChild(enemy1);
	enemies.push(enemy1);
	var enemy2 = new Enemy();
	enemy2.x = 1800;
	enemy2.y = 2200; // Position at jumping height
	game.addChild(enemy2);
	enemies.push(enemy2);
	// Add more enemies at jumping height
	var enemy3 = new Enemy();
	enemy3.x = 1400;
	enemy3.y = 2150; // Position at jumping height
	game.addChild(enemy3);
	enemies.push(enemy3);
	// Sky decorations
	var sun = LK.getAsset('sun', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	sun.x = 1700;
	sun.y = 400;
	game.addChild(sun);
	var cloud1 = LK.getAsset('cloud', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	cloud1.x = 500;
	cloud1.y = 600;
	game.addChild(cloud1);
	var cloud2 = LK.getAsset('cloud', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	cloud2.x = 1200;
	cloud2.y = 500;
	game.addChild(cloud2);
	var cloud3 = LK.getAsset('cloud', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	cloud3.x = 300;
	cloud3.y = 700;
	game.addChild(cloud3);
	// Score text with enhanced styling
	scoreTxt = new Text2('0', {
		size: 140,
		fill: 0xFFFFFF,
		font: "'Arial Black', 'Helvetica', sans-serif",
		stroke: 0xFFD700,
		strokeThickness: 8,
		dropShadow: true,
		dropShadowColor: 0x000000,
		dropShadowBlur: 4,
		dropShadowAngle: Math.PI / 4,
		dropShadowDistance: 6
	});
	scoreTxt.anchor.set(0.5, 0);
	LK.gui.top.addChild(scoreTxt);
	scoreTxt.setText(score);
}
// Initialize with menu
setupMenu();
// --- Controls (touch left/right side to move) ---
var isHoldingLeft = false;
var isHoldingRight = false;
game.down = function (x, y, obj) {
	if (gameState !== 'playing') return;
	if (x < 2048 / 2) {
		isHoldingLeft = true;
		isHoldingRight = false;
	} else {
		isHoldingRight = true;
		isHoldingLeft = false;
	}
	jumpQueued = true; // Jump when starting to hold
};
game.move = function (x, y, obj) {
	if (gameState !== 'playing') return;
	// Update movement direction based on current touch position
	if (x < 2048 / 2) {
		isHoldingLeft = true;
		isHoldingRight = false;
	} else {
		isHoldingRight = true;
		isHoldingLeft = false;
	}
};
game.up = function (x, y, obj) {
	if (gameState !== 'playing') return;
	isHoldingLeft = false;
	isHoldingRight = false;
	player.vx = 0; // Stop moving when releasing
};
// --- Main game loop ---
game.update = function () {
	// Only update game logic when playing
	if (gameState !== 'playing') return;
	// Set player velocity based on holding state
	if (isHoldingLeft) {
		player.vx = -12; // Move left when holding left side
	} else if (isHoldingRight) {
		player.vx = 12; // Move right when holding right side
	} else {
		player.vx = 0; // Stop when not holding
	}
	// Player update
	player.update();
	// Clamp player to screen
	if (player.x < 0) player.x = 0;
	if (player.x > 2048) player.x = 2048;
	// Platform collision
	player.isOnGround = false;
	for (var i = 0; i < platforms.length; i++) {
		var plat = platforms[i];
		// Simple AABB collision, only check if falling
		if (player.vy >= 0 && player.x + player.width / 2 > plat.x && player.x - player.width / 2 < plat.x + plat.width && player.y > plat.y && player.lastY <= plat.y) {
			// Land on platform
			player.y = plat.y;
			player.vy = 0;
			player.isOnGround = true;
		}
	}
	// Jump
	if (jumpQueued && player.isOnGround) {
		player.vy = -48;
		jumpQueued = false;
	}
	// Ensure maximum 2 coins total (regular + gold coins) at any time
	var totalCoins = coins.length + goldCoins.length;
	while (totalCoins > 2) {
		// Remove excess coins, prioritizing regular coins first
		if (coins.length > 0) {
			var extraCoin = coins.pop();
			extraCoin.destroy();
		} else if (goldCoins.length > 0) {
			var extraGoldCoin = goldCoins.pop();
			extraGoldCoin.destroy();
		}
		totalCoins = coins.length + goldCoins.length;
	}
	// Ensure minimum 1 coin is always present (if total is 0)
	if (coins.length + goldCoins.length === 0) {
		// Randomly decide between regular coin or gold coin
		if (Math.random() < 0.85) {
			var newCoin = new Coin();
			newCoin.x = Math.random() * 2048;
			newCoin.y = 2300 - Math.random() * 200;
			game.addChild(newCoin);
			coins.push(newCoin);
		} else {
			var newGoldCoin = new GoldCoin();
			newGoldCoin.x = Math.random() * 2048;
			newGoldCoin.y = 2300 - Math.random() * 300;
			game.addChild(newGoldCoin);
			goldCoins.push(newGoldCoin);
		}
	}
	// Coin collection and random teleportation
	for (var i = coins.length - 1; i >= 0; i--) {
		var coin = coins[i];
		if (player.intersects(coin)) {
			score += 1;
			scoreTxt.setText(score);
			// Remove coin from arrays immediately to prevent further interactions
			coins.splice(i, 1);
			// Play coin collection animation
			tween(coin, {
				scaleX: 1.5,
				scaleY: 1.5,
				alpha: 0
			}, {
				duration: 300,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					// Destroy the animated coin
					coin.destroy();
					// Only create new coin if total coins is less than 2
					if (coins.length + goldCoins.length < 2) {
						// Randomly decide between regular coin or gold coin
						if (Math.random() < 0.9) {
							var newCoin = new Coin();
							newCoin.x = Math.random() * 2048; // Random x position across screen
							newCoin.y = 2300 - Math.random() * 200; // Random height above ground
							game.addChild(newCoin);
							coins.push(newCoin);
						} else {
							var newGoldCoin = new GoldCoin();
							newGoldCoin.x = Math.random() * 2048;
							newGoldCoin.y = 2300 - Math.random() * 300;
							game.addChild(newGoldCoin);
							goldCoins.push(newGoldCoin);
						}
					}
				}
			});
			continue; // Skip to next coin since this one was collected
		}
		// Randomly teleport coins even when not collected
		if (Math.random() < 0.0005) {
			// Small chance each frame for random teleport
			coin.x = Math.random() * 2048;
			coin.y = 2300 - Math.random() * 200;
		}
	}
	// Gold coin collection - worth 2 points
	for (var i = goldCoins.length - 1; i >= 0; i--) {
		var goldCoin = goldCoins[i];
		if (player.intersects(goldCoin)) {
			score += 2; // Double points for gold coins
			scoreTxt.setText(score);
			// Remove gold coin from arrays immediately to prevent further interactions
			goldCoins.splice(i, 1);
			// Play gold coin collection animation
			tween(goldCoin, {
				scaleX: 1.8,
				scaleY: 1.8,
				alpha: 0
			}, {
				duration: 400,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					// Destroy the animated gold coin
					goldCoin.destroy();
					// Only create new coin if total coins is less than 2
					if (coins.length + goldCoins.length < 2) {
						// Randomly decide between regular coin or gold coin
						if (Math.random() < 0.8) {
							var newCoin = new Coin();
							newCoin.x = Math.random() * 2048;
							newCoin.y = 2300 - Math.random() * 200;
							game.addChild(newCoin);
							coins.push(newCoin);
						} else {
							var newGoldCoin = new GoldCoin();
							newGoldCoin.x = Math.random() * 2048;
							newGoldCoin.y = 2300 - Math.random() * 300;
							game.addChild(newGoldCoin);
							goldCoins.push(newGoldCoin);
						}
					}
				}
			});
			continue;
		}
		// Randomly teleport gold coins at specific intervals (like regular coins)
		if (Math.random() < 0.001) {
			// Simple teleportation without nested animations
			goldCoin.x = Math.random() * 2048;
			goldCoin.y = 2300 - Math.random() * 300;
		}
	}
	// Update enemy spawn delay
	if (enemySpawnDelay > 0) {
		enemySpawnDelay--;
	}
	// Enemy update and collision
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		enemy.update();
		// Remove if off screen and potentially respawn with delay
		if (enemy.x < -200) {
			enemy.destroy();
			enemies.splice(i, 1);
			// Only spawn new enemy if no delay is active
			if (enemySpawnDelay <= 0) {
				var newEnemy = new Enemy();
				newEnemy.x = 2200; // Start slightly off right edge
				// Randomly spawn at ground level or jumping height
				if (Math.random() < 0.4) {
					newEnemy.y = 2000 + Math.random() * 150; // Higher flying height range
				} else {
					newEnemy.y = 2400; // Ground level
				}
				game.addChild(newEnemy);
				enemies.push(newEnemy);
				// Set delay for next enemy spawn (2-4 seconds at 60fps)
				enemySpawnDelay = 120 + Math.random() * 120;
			}
			continue;
		}
		// Player/enemy collision
		var wasIntersecting = enemy.lastWasIntersecting || false;
		var isIntersecting = player.intersects(enemy);
		if (!wasIntersecting && isIntersecting) {
			// Player hit enemy: game over
			LK.effects.flashScreen(0xff0000, 1000);
			showCustomGameOver();
			return;
		}
		enemy.lastWasIntersecting = isIntersecting;
	}
	// Save lastY for player
	player.lastY = player.y;
	player.lastX = player.x;
};