/**** 
* Classes
****/ 
// Bullet class representing the bullets shot by the player
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('Yellow_bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		self.x += self.speed;
		if (self.y < -50) {
			self.destroy();
		} else {
			for (var i = enemies.length - 1; i >= 0; i--) {
				if (self.intersects(enemies[i])) {
					enemies[i].destroy();
					enemies.splice(i, 1);
					LK.getSound('Player_hit').play();
					// Chance to drop a powerup
					if (Math.random() < 0.3 && enemies[i]) {
						// 30% chance
						var powerup = game.addChild(new Powerup());
						powerup.x = enemies[i].x;
						powerup.y = enemies[i].y;
						items.push(powerup);
					}
				}
			}
		}
	};
});
// Enemy class representing the enemies in the game
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;
	};
});
// Item class representing additional game elements
var Item = Container.expand(function () {
	var self = Container.call(this);
	// Removed heart icon attachment
	self.update = function () {
		// Logic for item behavior
	};
});
// Update function to apply velocity and rotation
// Player class representing the main character
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('Duck', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add heart icons above the Duck player to represent health
	var heartIcons = [];
	for (var i = 0; i < 3; i++) {
		var heartIcon = LK.getAsset('Heart_icon', {
			anchorX: 0.4,
			anchorY: 0.5,
			x: self.x + i * 110,
			// Adjust spacing between hearts
			y: self.y - 50 // Position above the Duck player
		});
		self.addChild(heartIcon);
		heartIcons.push(heartIcon);
	}
	self.speed = 10;
	self.update = function () {
		// Apply gravity
		self.speed += 0.5; // Gravity pulling down
		self.y += self.speed; // Apply gravity to vertical speed
		// Check if player is on the ground
		if (self.y > ground.y - self.height / 2) {
			self.y = ground.y - self.height / 2; // Correct position
			self.speed = 0; // Stop moving downwards
		}
		// Check for shooting
		if (LK.ticks % 60 === 0) {
			self.shoot();
		}
		// Check for collision with enemies
		for (var i = enemies.length - 1; i >= 0; i--) {
			if (self.intersects(enemies[i])) {
				enemies[i].destroy();
				enemies.splice(i, 1);
				// Handle player damage or game over logic
				playerHealth--;
				if (playerHealth >= 0) {
					heartIcons[playerHealth].destroy(); // Remove a heart icon
				}
				if (playerHealth <= 0) {
					// Trigger game over logic
					LK.showGameOver();
				}
				LK.getSound('Enemy_hit').play();
			}
		}
	};
	self.shoot = function () {
		if (bulletCount > 0) {
			// Logic for shooting bullets
			var bullet = new Bullet();
			bullet.x = self.x;
			bullet.y = self.y;
			game.addChild(bullet);
			LK.getSound('Shoot').play();
			bulletCount--;
			if (bulletCount === 0) {
				// Destroy all existing bullets
				for (var i = bullets.length - 1; i >= 0; i--) {
					bullets[i].destroy();
					bullets.splice(i, 1);
				}
				bulletCount = 3; // Reload bullets
				reloadTimeout = LK.setTimeout(function () {
					LK.getSound('Reload').play();
					for (var i = 0; i < bulletCount; i++) {
						var bullet = new Bullet();
						bullet.x = self.x;
						bullet.y = self.y;
						game.addChild(bullet);
						bullets.push(bullet);
					}
				}, 3000);
			}
		}
	};
});
// Powerup class representing powerup items
var Powerup = Container.expand(function () {
	var self = Container.call(this);
	var powerupGraphics = self.attachAsset('Powerup_1', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Logic for powerup behavior, e.g., floating down
		self.y += 2;
		// Check if player collects the powerup
		if (self.intersects(player)) {
			// Play sound when Powerup is collected
			LK.getSound('Freeze').play();
			// Delay the activation of the powerup effect by 2 seconds
			LK.setTimeout(function () {
				// Apply powerup effect
				playerHealth = Math.min(playerHealth + 1, 3); // Increase health, max 3
				heartIcons[playerHealth - 1].visible = true; // Show heart icon
				// Add blue effect to player
				LK.effects.flashObject(player, 0x0000ff, 1000); // Flash blue for 1 second
				// Freeze effect: stop all enemies for 3 seconds
				enemies.forEach(function (enemy) {
					enemy.speed = 0;
				});
				LK.setTimeout(function () {
					enemies.forEach(function (enemy) {
						enemy.speed = 5; // Reset speed after freeze
					});
				}, 3000);
				self.destroy();
			}, 2000); // Activate after 2 seconds
		}
		// Destroy if off screen
		if (self.y > 2732) {
			self.destroy();
		}
	};
});

/**** 
* Initialize Game
****/ 
//<Assets used in the game will automatically appear here>
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
var globalVariable; // Global variable declaration
// Function to handle level progression
function levelUp() {
	// Update current level
	currentLevel = points / 10 + 1; // Calculate current level based on points
	// Increase difficulty by reducing enemy spawn interval
	if (enemySpawnTimer) {
		LK.clearInterval(enemySpawnTimer);
	}
	enemySpawnTimer = LK.setInterval(function () {
		var enemy = game.addChild(new Enemy());
		enemy.x = 2048 - enemy.width / 2; // Place the enemy on the right side of the screen
		enemy.y = ground.y - ground.height / 2 - enemy.height / 2; // Place the enemy on the ground
		enemies.push(enemy);
	}, Math.max(1000, 3000 - points * 100 * (points > 20 ? 0.8 : 1))); // Decrease interval as points increase, increase spawn rate by 20% after level 2
	// Play level up sound
	LK.getSound('Level_up').play();
	// Display level up message
	var levelUpText = new Text2('Level Up!', {
		size: 150,
		fill: "#00ff00"
	});
	levelUpText.anchor.set(0.5, 0);
	LK.gui.top.addChild(levelUpText);
	LK.setTimeout(function () {
		levelUpText.destroy();
	}, 2000); // Remove the message after 2 seconds
}
// Call levelUp function every time player reaches a new level
var levelCheckTimer = LK.setInterval(function () {
	if (points > 0 && points % 10 === 0) {
		// Every 10 points
		levelUp();
	}
}, 1000); // Check every second
// Initialize up button
var upButton = LK.getAsset('Up', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 400,
	y: 2600
});
game.addChild(upButton);
upButton.down = function (x, y, obj) {
	if (player.y >= ground.y - player.height / 2) {
		// If player is on the ground
		player.speed = -20; // Apply upward force
		LK.getSound('Jump').play();
		// Add more dust effect when player jumps
		for (var i = 0; i < 3; i++) {
			var dust = LK.getAsset('dust', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: player.x + i * 20,
				y: player.y + player.height / 2,
				scaleX: 0.3,
				scaleY: 0.3
			});
			game.addChild(dust);
			// Update dust position to follow player's jump
			dust.update = function () {
				dust.y = player.y + player.height / 2;
			};
			// Remove dust effect after 500ms
			LK.setTimeout(function () {
				dust.destroy();
			}, 500);
		}
	}
};
// Add a notice text warning about loud sound
var noticeText = new Text2('Warning! Loud Sound', {
	size: 100,
	fill: "#ff0000"
});
noticeText.anchor.set(0.5, 0);
LK.gui.top.addChild(noticeText);
LK.setTimeout(function () {
	noticeText.destroy();
}, 5000); // Remove the notice after 5 seconds
// Add a button to skip the introduction;
var yourGoalText = new Text2('Your Goal: Survive!', {
	size: 100,
	fill: "#ffffff"
});
yourGoalText.anchor.set(0.5, 0);
yourGoalText.y = 200; // Position the text below the level text
LK.gui.bottom.addChild(yourGoalText);
// Display current level text
var levelText = new Text2('Level: ' + currentLevel, {
	size: 100,
	fill: "#ffffff"
});
levelText.anchor.set(0.5, 0);
LK.gui.top.addChild(levelText);
// Initialize ground
var ground = LK.getAsset('Ground', {
	anchorX: 0.5,
	anchorY: 1.0,
	x: 1024,
	y: 2500
});
game.addChild(ground);
// Update level text whenever the level changes
function updateLevelText() {
	levelText.setText('Level: ' + currentLevel);
}
// Initialize player, enemies, and TV channels
var player = game.addChild(new Player());
player.x = 200; // Place the duck in left
player.y = ground.y - ground.height - player.height / 2;
// Add heart icons at the top of the screen to represent health
var heartIcons = [];
for (var i = 0; i < playerHealth; i++) {
	var heartIcon = LK.getAsset('Heart_icon', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1024 + i * 110,
		y: 30
	});
	game.addChild(heartIcon);
	heartIcons.push(heartIcon);
}
var enemies = [];
var items = []; // Initialize items array to track new game elements
var points = 0; // Initialize points variable to track player score
var currentLevel = 1; // Initialize currentLevel variable to track the player's level
var bullets = []; // Initialize bullets array to track bullets
var Classic = 0; // Initialize Classic variable
var playerHealth = 3; // Initialize player health variable
var bulletCount = 3; // Initialize bullet count
var reloadTimeout; // Timeout for reloading bullets
var itemSpawnTimer = LK.setInterval(function () {
	var item = game.addChild(new Item());
	item.x = Math.random() * 2048; // Random x position
	item.y = Math.random() * (ground.y - ground.height); // Random y position above ground
	items.push(item);
}, 5000); // Spawn items every 5 seconds
var enemySpawnTimer = LK.setInterval(function () {
	var enemy = game.addChild(new Enemy());
	enemy.x = 2048 - enemy.width / 2; // Place the enemy on the right side of the screen
	enemy.y = ground.y - ground.height / 2 - enemy.height / 2; // Place the enemy on the ground
	enemies.push(enemy);
}, 1500); // Increase spawn rate by reducing interval
// Create TV channels
// Play background music and display 'Your Goal' text after 10 seconds
var introTimeout = LK.setTimeout(function () {
	LK.playMusic('Background_music');
}, 10000);
// Add a button to skip the introduction;