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

/**** 
* Classes
****/ 
// Define a class for coins
var Coin = Container.expand(function () {
	var self = Container.call(this);
	var coinGraphics = self.attachAsset('coin', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add rotation animation
	self.update = function () {
		coinGraphics.rotation += 0.1;
		// Move coin left
		self.x -= 3;
		// Remove if off screen
		if (self.x < -50) {
			self.destroy();
		}
	};
	return self;
});
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		self.x -= self.speed;
		// Walking animation - slight bounce
		if (LK.ticks % 30 === 0) {
			tween(enemyGraphics, {
				scaleY: 0.9
			}, {
				duration: 200,
				onFinish: function onFinish() {
					tween(enemyGraphics, {
						scaleY: 1.0
					}, {
						duration: 200
					});
				}
			});
		}
		// Slight left-right sway
		if (LK.ticks % 60 === 0) {
			tween(enemyGraphics, {
				rotation: 0.1
			}, {
				duration: 300,
				onFinish: function onFinish() {
					tween(enemyGraphics, {
						rotation: -0.1
					}, {
						duration: 300,
						onFinish: function onFinish() {
							tween(enemyGraphics, {
								rotation: 0
							}, {
								duration: 300
							});
						}
					});
				}
			});
		}
		if (self.x < -50) {
			self.destroy();
		}
	};
});
// Define a class for the left button
var LeftButton = Container.expand(function () {
	var self = Container.call(this);
	var buttonGraphics = self.attachAsset('leftButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		if (self.isPressed) {
			player.x -= player.speed;
		}
	};
	self.down = function (x, y, obj) {
		self.isPressed = true;
	};
	self.up = function (x, y, obj) {
		self.isPressed = false;
	};
});
//<Assets used in the game will automatically appear here>
// Define a class for the player character
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.jumpHeight = 25;
	self.isJumping = false;
	self.velocityY = 0;
	self.update = function () {
		if (self.isJumping) {
			self.y += self.velocityY;
			self.velocityY += 0.7; // Decreased gravity effect by 30%
			if (self.y >= 2732 / 2) {
				// Ground level
				self.y = 2732 / 2;
				self.isJumping = false;
				self.velocityY = 0;
				// Landing animation
				tween(playerGraphics, {
					scaleY: 0.8
				}, {
					duration: 100,
					onFinish: function onFinish() {
						tween(playerGraphics, {
							scaleY: 1.0
						}, {
							duration: 100
						});
					}
				});
			}
		}
		// Running animation when moving
		if (leftButton && leftButton.isPressed || rightButton && rightButton.isPressed) {
			// Bounce effect while running
			if (LK.ticks % 20 === 0) {
				tween(playerGraphics, {
					scaleX: 1.1,
					scaleY: 0.9
				}, {
					duration: 150,
					onFinish: function onFinish() {
						tween(playerGraphics, {
							scaleX: 1.0,
							scaleY: 1.0
						}, {
							duration: 150
						});
					}
				});
			}
		}
	};
	self.jump = function () {
		if (!self.isJumping) {
			self.isJumping = true;
			self.velocityY = -self.jumpHeight;
			// Jump animation - stretch upward
			tween(playerGraphics, {
				scaleY: 1.2,
				scaleX: 0.8
			}, {
				duration: 200,
				onFinish: function onFinish() {
					tween(playerGraphics, {
						scaleY: 1.0,
						scaleX: 1.0
					}, {
						duration: 200
					});
				}
			});
		}
	};
});
// Define a class for the right button
var RightButton = Container.expand(function () {
	var self = Container.call(this);
	var buttonGraphics = self.attachAsset('rightButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		if (self.isPressed) {
			player.x += player.speed;
		}
	};
	self.down = function (x, y, obj) {
		self.isPressed = true;
	};
	self.up = function (x, y, obj) {
		self.isPressed = false;
	};
});
// Define a class for the up button
var UpButton = Container.expand(function () {
	var self = Container.call(this);
	var buttonGraphics = self.attachAsset('upButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	buttonGraphics.rotation = -Math.PI / 2; // Rotate 90 degrees counter-clockwise to point up
	self.down = function (x, y, obj) {
		player.jump();
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB // Sky blue background
});

/**** 
* Game Code
****/ 
var background = game.addChild(LK.getAsset('background', {
	anchorX: 0,
	anchorY: 0
}));
background.x = 0;
background.y = 0;
// Initialize player
var player = game.addChild(new Player());
// Initialize left and right buttons
var leftButton = game.addChild(new LeftButton());
leftButton.x = 100;
leftButton.y = 2732 - 300; // Move the button 200 pixels upwards
var rightButton = game.addChild(new RightButton());
rightButton.x = 2048 - 100;
rightButton.y = 2732 - 300; // Move the button 200 pixels upwards
var upButton = game.addChild(new UpButton());
upButton.x = 2048 / 2; // Center horizontally
upButton.y = 2732 - 300; // Same vertical position as other buttons
player.x = 2048 / 2;
player.y = 2732 / 2;
// Initialize enemies
var enemies = [];
var enemySpawnInterval = 100;
var enemySpawnCounter = 0;
// Initialize coins
var coins = [];
var coinSpawnInterval = 80;
var coinSpawnCounter = 0;
// Create a new Text2 object to display the score
var scoreText = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
// Add the score text to the game GUI at the top center of the screen
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
// Handle game updates
game.update = function () {
	player.update();
	leftButton.update();
	rightButton.update();
	// Spawn enemies
	enemySpawnCounter++;
	if (enemySpawnCounter >= enemySpawnInterval) {
		var enemy = new Enemy();
		enemy.x = 2048;
		enemy.y = 2732 / 2;
		enemies.push(enemy);
		game.addChild(enemy);
		// Randomize the spawn interval for the next enemy
		enemySpawnInterval = Math.floor(Math.random() * 150) + 50;
		enemySpawnCounter = 0;
	}
	// Spawn coins
	coinSpawnCounter++;
	if (coinSpawnCounter >= coinSpawnInterval) {
		var coin = new Coin();
		coin.x = 2048;
		coin.y = 2732 / 2; // Same level as player ground level
		coins.push(coin);
		game.addChild(coin);
		coinSpawnInterval = Math.floor(Math.random() * 120) + 60;
		coinSpawnCounter = 0;
	}
	// Update coins
	for (var k = coins.length - 1; k >= 0; k--) {
		coins[k].update();
		if (player.intersects(coins[k])) {
			// Store reference to coin before removing from array
			var collectedCoin = coins[k];
			// Remove from array first
			coins.splice(k, 1);
			// Coin collection animation
			tween(collectedCoin, {
				scaleX: 2,
				scaleY: 2,
				alpha: 0
			}, {
				duration: 300,
				onFinish: function onFinish() {
					collectedCoin.destroy();
				}
			});
			LK.setScore(LK.getScore() + 10);
			scoreText.setText('Score: ' + LK.getScore());
		} else if (coins[k].x < -50) {
			coins.splice(k, 1);
		}
	}
	// Update enemies
	for (var j = enemies.length - 1; j >= 0; j--) {
		enemies[j].update();
		if (player.intersects(enemies[j])) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		} else if (player.x > enemies[j].x && !enemies[j].passed) {
			enemies[j].passed = true;
			LK.setScore(LK.getScore() + 1);
			scoreText.setText(LK.getScore());
		}
	}
};
// Handle player jump - removed general touch jumping, only up button can trigger jump
game.down = function (x, y, obj) {
	// Only the up button can trigger jumping now
};