/**** 
* Classes
****/
var StingerEnemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.createAsset('stingerEnemy', 'Stinger enemy character', 0.5, 0.5);
	self.baseSpeed = 1.5;
	self.strength = 10; // Stinger enemy with higher strength
	self.updateSpeed = function (score) {
		self.strength = 10 + Math.floor(score / 150); // Stinger enemies scale with score
		self.speed = self.baseSpeed * self.strength;
	};
	self.move = function () {
		self.y += self.speed;
	};
});
// HeroBullet class
var HeroBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.createAsset('heroBullet', 'Hero bullet', 0.5, 1);
	self.speed = 10;
	self.move = function () {
		self.y -= self.speed;
	};
});
// Hero class
var Hero = Container.expand(function () {
	var self = Container.call(this);
	var heroGraphics = self.createAsset('hero', 'Hero character', 0.5, 0.5);
	self.speed = 5;
	self.bulletCooldown = 0;
	self.lives = 5; // Player starts with 5 lives
	self.moveLeft = function () {
		self.x = Math.max(self.width / 2, self.x - self.speed);
	};
	self.moveRight = function () {
		self.x = Math.min(2048 - self.width / 2, self.x + self.speed);
	};
	self.shoot = function () {
		if (self.bulletCooldown <= 0) {
			var bullet = new HeroBullet();
			bullet.x = self.x;
			bullet.y = self.y - self.height / 2;
			game.addChild(bullet);
			bullets.push(bullet);
			self.bulletCooldown = 20; // Cooldown period before next shot
		}
	};
	self.powerUpTimer = 0;
	self.powerUpActive = false;
	self.enableSpreadShot = function () {
		self.powerUpActive = true;
		self.powerUpTimer = 3600; // 1 minute at 60FPS
		self.shoot = function () {
			if (self.bulletCooldown <= 0) {
				var angles = [-Math.PI / 4, -Math.PI / 2, -3 * Math.PI / 4]; // Angles for upward spread shot
				for (var i = 0; i < angles.length; i++) {
					var bullet = new SpreadShotBullet(angles[i], 10);
					bullet.x = self.x;
					bullet.y = self.y - self.height / 2;
					game.addChild(bullet);
					bullets.push(bullet);
				}
				self.bulletCooldown = 20; // Cooldown period before next shot
			}
		};
	};
	self.updatePowerUpTimer = function () {
		if (self.powerUpTimer > 0) {
			self.powerUpTimer--;
			if (self.powerUpTimer == 0) {
				self.powerUpActive = false;
				// Reset shoot function to default behavior
				self.shoot = self.defaultShoot;
			}
		}
	};
	self.defaultShoot = function () {
		if (self.bulletCooldown <= 0) {
			var bullet = new HeroBullet();
			bullet.x = self.x;
			bullet.y = self.y - self.height / 2;
			game.addChild(bullet);
			bullets.push(bullet);
			self.bulletCooldown = 20; // Cooldown period before next shot
		}
	};
	self.shoot = self.defaultShoot;
	self.update = function () {
		if (self.bulletCooldown > 0) {
			self.bulletCooldown--;
		}
		var joystickDirection = joystick.getDirection();
		if (joystickDirection.x < -10) {
			self.moveLeft();
		} else if (joystickDirection.x > 10) {
			self.moveRight();
		}
	};
});
// SpreadShotBullet class
var SpreadShotBullet = Container.expand(function (angle, speed) {
	var self = Container.call(this);
	var bulletGraphics = self.createAsset('heroBullet', 'Spread shot bullet', 0.5, 1);
	self.speed = speed;
	self.angle = angle;
	self.move = function () {
		self.x += self.speed * Math.cos(self.angle);
		self.y += self.speed * Math.sin(self.angle);
	};
});
// Enemy class
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.createAsset('enemy', 'Enemy character', 0.5, 0.5);
	self.baseSpeed = 2;
	self.strength = 1;
	self.updateSpeed = function (score) {
		self.strength = 1 + Math.floor(score / 50);
		self.speed = self.baseSpeed * self.strength;
	};
	self.move = function () {
		self.y += self.speed;
	};
});
// EnemyBullet class
var EnemyBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.createAsset('enemyBullet', 'Enemy bullet', 0.5, 0);
	self.speed = 5;
	self.move = function () {
		self.y += self.speed;
	};
});
// PowerUp class
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerUpGraphics = self.createAsset('powerUp', 'Power up', 0.5, 0.5);
	self.type = 'spread'; // Default power-up type
	self.speed = 2;
	self.move = function () {
		self.y += self.speed;
	};
	self.applyEffect = function (hero) {
		// Apply the effect based on power-up type
		switch (self.type) {
			case 'spread':
				hero.enableSpreadShot();
				break;
		}
	};
});
// Joystick class
var Joystick = Container.expand(function () {
	var self = Container.call(this);
	var joystickGraphics = self.createAsset('joystickBase', 'Joystick base', 0.5, 0.5);
	var joystickKnob = self.createAsset('joystickKnob', 'Joystick knob', 0.5, 0.5);
	self.addChild(joystickKnob);
	self.isDragging = false;
	self.startPos = {
		x: 0,
		y: 0
	};
	self.currentPos = {
		x: 0,
		y: 0
	};
	self.delta = {
		x: 0,
		y: 0
	};
	self.on('down', function (obj) {
		self.isDragging = true;
		self.startPos = obj.event.getLocalPosition(self);
	});
	self.on('move', function (obj) {
		if (self.isDragging) {
			self.currentPos = obj.event.getLocalPosition(self);
			self.delta.x = self.currentPos.x - self.startPos.x;
			self.delta.y = self.currentPos.y - self.startPos.y;
			joystickKnob.x = Math.max(-50, Math.min(50, self.delta.x));
			joystickKnob.y = Math.max(-50, Math.min(50, self.delta.y));
		}
	});
	self.on('up', function (obj) {
		self.isDragging = false;
		joystickKnob.x = 0;
		joystickKnob.y = 0;
		self.delta.x = 0;
		self.delta.y = 0;
	});
	self.getDirection = function () {
		return self.delta;
	};
});
// ShootButton class
var ShootButton = Container.expand(function () {
	var self = Container.call(this);
	var buttonGraphics = self.createAsset('shootButton', 'Shoot button', 0.5, 0.5);
	self.on('down', function () {
		hero.shoot();
	});
});

/**** 
* Initialize Game
****/
var game = new LK.Game({
	backgroundColor: 0x000000,
	// Init game with black background
	backgroundImage: 'spaceBackground' // Set background image to Space
});

/**** 
* Game Code
****/
var shootButton = game.addChild(new ShootButton());
shootButton.x = 2048 - 150; // Position from right
shootButton.y = 2732 - 150; // Position from bottom
var joystick = game.addChild(new Joystick());
joystick.x = 150; // Position from left
joystick.y = 2732 - 150; // Position from bottom
// Initialize important asset arrays
var bullets = [];
var enemies = [];
var enemyBullets = [];
var powerUps = []; // Store active power-ups
var score = 0;
var hero = game.addChild(new Hero());
hero.x = 1024; // Center of the screen
hero.y = 2732 - 200; // Near the bottom of the screen
// Score display
var scoreTxt = new Text2('0', {
	size: 150,
	fill: "#ffffff"
});
// Lives display
var livesTxt = new Text2('Lives: 5', {
	size: 100,
	fill: "#ffffff"
});
livesTxt.anchor.set(0, 0);
LK.gui.topLeft.addChild(livesTxt);
// Score and Wave display
var scoreAndWaveTxt = new Text2('Score: 0 | Wave: 1', {
	size: 100,
	fill: "#ffffff"
});
scoreAndWaveTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreAndWaveTxt);
// Game tick event
LK.on('tick', function () {
	// Update hero
	hero.update();
	// Move and check bullets
	for (var i = bullets.length - 1; i >= 0; i--) {
		bullets[i].move();
		if (bullets[i].y < -bullets[i].height) {
			bullets[i].destroy();
			bullets.splice(i, 1);
		} else {
			// Check for bullet collision with enemies
			for (var j = enemies.length - 1; j >= 0; j--) {
				if (bullets[i].intersects(enemies[j])) {
					if (Math.random() < 0.2) {
						// 20% chance to drop a power-up
						var powerUpTypes = ['spread'];
						var powerUp = new PowerUp();
						powerUp.type = powerUpTypes[Math.floor(Math.random() * powerUpTypes.length)];
						powerUp.x = enemies[j].x;
						powerUp.y = enemies[j].y;
						game.addChild(powerUp);
						powerUps.push(powerUp);
					}
					enemies[j].destroy();
					enemies.splice(j, 1);
					bullets[i].destroy();
					bullets.splice(i, 1);
					score += 10;
					scoreTxt.setText(score.toString());
					break;
				}
			}
		}
	}
	// Move and check enemy bullets
	for (var k = enemyBullets.length - 1; k >= 0; k--) {
		enemyBullets[k].move();
		if (enemyBullets[k].y > 2732 + enemyBullets[k].height) {
			enemyBullets[k].destroy();
			enemyBullets.splice(k, 1);
		} else if (enemyBullets[k].intersects(hero)) {
			hero.lives--;
			if (hero.lives <= 0) {
				// Game over condition
				LK.effects.flashScreen(0xff0000, 1000);
				LK.showGameOver();
			} else {
				// Flash hero red to indicate hit and update lives display
				LK.effects.flashObject(hero, 0xff0000, 500);
				livesTxt.setText('Lives: ' + hero.lives);
			}
			enemyBullets[k].destroy();
			enemyBullets.splice(k, 1);
		}
	}
	// Move and check power-ups
	for (var m = powerUps.length - 1; m >= 0; m--) {
		powerUps[m].move();
		if (powerUps[m].y > 2732 + powerUps[m].height) {
			powerUps[m].destroy();
			powerUps.splice(m, 1);
		} else if (powerUps[m].intersects(hero)) {
			powerUps[m].applyEffect(hero);
			powerUps[m].destroy();
			powerUps.splice(m, 1);
		}
	}
	// Update hero's power-up timer
	hero.updatePowerUpTimer();
	// Move enemies, check for collisions with hero, and potentially shoot
	for (var l = enemies.length - 1; l >= 0; l--) {
		enemies[l].move();
		// Check for collision with hero
		if (enemies[l].intersects(hero)) {
			hero.lives--;
			if (hero.lives <= 0) {
				// Game over condition
				LK.effects.flashScreen(0xff0000, 1000);
				LK.showGameOver();
			} else {
				// Flash hero red to indicate hit and update lives display
				LK.effects.flashObject(hero, 0xff0000, 500);
				livesTxt.setText('Lives: ' + hero.lives);
			}
			enemies[l].destroy();
			enemies.splice(l, 1);
			continue;
		}
		if (Math.random() < 0.005) {
			// Random chance to shoot, rate reduced to half
			var enemyBullet = new EnemyBullet();
			enemyBullet.x = enemies[l].x;
			enemyBullet.y = enemies[l].y + enemies[l].height / 2;
			game.addChild(enemyBullet);
			enemyBullets.push(enemyBullet);
		}
	}
	// Wave system
	var waveInterval = 600; // 10 seconds per wave
	var enemiesPerWave = 5 + Math.floor(score / 100); // Increase number of enemies per wave based on score
	var currentWave = Math.floor(LK.ticks / waveInterval) + 1;
	scoreAndWaveTxt.setText('Score: ' + score + ' | Wave: ' + currentWave);
	if (LK.ticks % waveInterval == 0) {
		var currentWave = Math.floor(LK.ticks / waveInterval) + 1;
		for (var i = 0; i < enemiesPerWave; i++) {
			var newEnemy;
			var enemyCount = 3;
			var stingerCount = 7;
			for (var i = 0; i < enemiesPerWave; i++) {
				if (i % enemyCount === 0) {
					// Spawn stingerEnemy
					for (var n = 0; n < stingerCount; n++) {
						var stingerEnemy = new StingerEnemy();
						stingerEnemy.updateSpeed(score);
						stingerEnemy.x = 2048 / 8 * (n + 1) - stingerEnemy.width / 2;
						stingerEnemy.y = -stingerEnemy.height / 2 - i * stingerEnemy.height * 1.5;
						enemies.push(stingerEnemy);
						game.addChild(stingerEnemy);
					}
				} else {
					// Spawn normal enemies
					var normalEnemy = new Enemy();
					normalEnemy.updateSpeed(score);
					normalEnemy.x = Math.random() * (2048 - normalEnemy.width) + normalEnemy.width / 2;
					normalEnemy.y = -normalEnemy.height / 2 - i * normalEnemy.height;
					enemies.push(normalEnemy);
					game.addChild(normalEnemy);
				}
			}
		}
	}
});