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

/**** 
* Classes
****/ 
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 12;
	self.damage = 1;
	self.targetX = 0;
	self.targetY = 0;
	self.update = function () {
		var dx = self.targetX - self.x;
		var dy = self.targetY - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 5) {
			self.x += dx / distance * self.speed;
			self.y += dy / distance * self.speed;
		}
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.weapon = self.addChild(new Weapon());
	self.weapon.x = 0;
	self.weapon.y = -10;
	self.health = 3;
	self.lastHealth = 3;
	self.shootTimer = 0;
	self.update = function () {
		if (self.shootTimer > 0) {
			self.shootTimer--;
		}
		if (self.lastHealth > self.health) {
			LK.effects.flashObject(self, 0xFF0000, 500);
		}
		self.lastHealth = self.health;
	};
	self.canShoot = function () {
		return self.shootTimer <= 0;
	};
	self.shoot = function (targetX, targetY) {
		if (self.canShoot()) {
			var bullet = new Bullet();
			bullet.x = self.x;
			bullet.y = self.y;
			bullet.targetX = targetX;
			bullet.targetY = targetY;
			bullet.damage = self.weapon.damage;
			bullets.push(bullet);
			game.addChild(bullet);
			self.shootTimer = self.weapon.fireRate;
			LK.getSound('shoot').play();
		}
	};
	return self;
});
var Thief = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('thief', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 1;
	self.health = 1;
	self.lastX = 0;
	self.lastY = 0;
	self.update = function () {
		self.lastX = self.x;
		self.lastY = self.y;
		var dx = player.x - self.x;
		var dy = player.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 0) {
			self.x += dx / distance * self.speed;
			self.y += dy / distance * self.speed;
		}
	};
	return self;
});
var Weapon = Container.expand(function () {
	var self = Container.call(this);
	self.weaponType = 'pistol';
	self.fireRate = 30;
	self.damage = 1;
	self.graphics = null;
	self.setWeapon = function (type) {
		if (self.graphics) {
			self.removeChild(self.graphics);
		}
		self.weaponType = type;
		if (type === 'pistol') {
			self.graphics = self.attachAsset('pistol', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			self.fireRate = 30;
			self.damage = 1;
		} else if (type === 'rifle') {
			self.graphics = self.attachAsset('rifle', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			self.fireRate = 15;
			self.damage = 2;
		} else if (type === 'shotgun') {
			self.graphics = self.attachAsset('shotgun', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			self.fireRate = 45;
			self.damage = 3;
		}
	};
	self.setWeapon('pistol');
	return self;
});
var WeaponPickup = Container.expand(function () {
	var self = Container.call(this);
	self.weaponType = 'pistol';
	self.graphics = null;
	self.setType = function (type) {
		if (self.graphics) {
			self.removeChild(self.graphics);
		}
		self.weaponType = type;
		if (type === 'pistol') {
			self.graphics = self.attachAsset('pistol', {
				anchorX: 0.5,
				anchorY: 0.5
			});
		} else if (type === 'rifle') {
			self.graphics = self.attachAsset('rifle', {
				anchorX: 0.5,
				anchorY: 0.5
			});
		} else if (type === 'shotgun') {
			self.graphics = self.attachAsset('shotgun', {
				anchorX: 0.5,
				anchorY: 0.5
			});
		}
		self.graphics.alpha = 0.8;
		tween(self.graphics, {
			scaleX: 1.2,
			scaleY: 1.2
		}, {
			duration: 1000,
			easing: tween.easeInOut
		});
		tween(self.graphics, {
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 1000,
			easing: tween.easeInOut
		});
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x8B4513
});

/**** 
* Game Code
****/ 
var player = game.addChild(new Player());
player.x = 1024;
player.y = 1366;
var thieves = [];
var bullets = [];
var weaponPickups = [];
var waveNumber = 1;
var thievesSpawned = 0;
var thievesInWave = 5;
var spawnTimer = 0;
var pickupTimer = 0;
var gameRunning = true;
var scoreText = new Text2('Score: 0', {
	size: 60,
	fill: '#FFFFFF'
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
var healthText = new Text2('Health: 3', {
	size: 60,
	fill: '#FF0000'
});
healthText.anchor.set(0, 0);
healthText.x = 150;
healthText.y = 20;
LK.gui.topLeft.addChild(healthText);
var waveText = new Text2('Wave: 1', {
	size: 60,
	fill: '#00FF00'
});
waveText.anchor.set(1, 0);
LK.gui.topRight.addChild(waveText);
function spawnThief() {
	var thief = new Thief();
	var side = Math.floor(Math.random() * 4);
	switch (side) {
		case 0:
			// Top
			thief.x = Math.random() * 2048;
			thief.y = -50;
			break;
		case 1:
			// Right
			thief.x = 2098;
			thief.y = Math.random() * 2732;
			break;
		case 2:
			// Bottom
			thief.x = Math.random() * 2048;
			thief.y = 2782;
			break;
		case 3:
			// Left
			thief.x = -50;
			thief.y = Math.random() * 2732;
			break;
	}
	thief.speed = 1 + waveNumber * 0.2;
	thieves.push(thief);
	game.addChild(thief);
}
function spawnWeaponPickup() {
	var pickup = new WeaponPickup();
	pickup.x = Math.random() * 1800 + 124;
	pickup.y = Math.random() * 2400 + 166;
	var weaponTypes = ['pistol', 'rifle', 'shotgun'];
	var randomType = weaponTypes[Math.floor(Math.random() * weaponTypes.length)];
	pickup.setType(randomType);
	weaponPickups.push(pickup);
	game.addChild(pickup);
}
function findClosestThief() {
	var closest = null;
	var closestDistance = Infinity;
	for (var i = 0; i < thieves.length; i++) {
		var thief = thieves[i];
		var dx = thief.x - player.x;
		var dy = thief.y - player.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < closestDistance) {
			closest = thief;
			closestDistance = distance;
		}
	}
	return closest;
}
function nextWave() {
	waveNumber++;
	thievesInWave = 5 + waveNumber * 2;
	thievesSpawned = 0;
	waveText.setText('Wave: ' + waveNumber);
}
game.down = function (x, y, obj) {
	if (!gameRunning) return;
	player.x = x;
	player.y = y;
	var closestThief = findClosestThief();
	if (closestThief) {
		player.shoot(closestThief.x, closestThief.y);
	}
};
game.update = function () {
	if (!gameRunning) return;
	scoreText.setText('Score: ' + LK.getScore());
	healthText.setText('Health: ' + player.health);
	spawnTimer++;
	if (spawnTimer >= 60 && thievesSpawned < thievesInWave) {
		spawnThief();
		thievesSpawned++;
		spawnTimer = 0;
	}
	pickupTimer++;
	if (pickupTimer >= 300) {
		spawnWeaponPickup();
		pickupTimer = 0;
	}
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		if (bullet.x < -50 || bullet.x > 2098 || bullet.y < -50 || bullet.y > 2782) {
			bullet.destroy();
			bullets.splice(i, 1);
			continue;
		}
		for (var j = thieves.length - 1; j >= 0; j--) {
			var thief = thieves[j];
			if (bullet.intersects(thief)) {
				LK.setScore(LK.getScore() + 10);
				LK.getSound('enemyHit').play();
				LK.effects.flashObject(thief, 0xFF0000, 200);
				bullet.destroy();
				bullets.splice(i, 1);
				thief.destroy();
				thieves.splice(j, 1);
				break;
			}
		}
	}
	for (var i = thieves.length - 1; i >= 0; i--) {
		var thief = thieves[i];
		if (thief.intersects(player)) {
			player.health--;
			if (player.health <= 0) {
				gameRunning = false;
				LK.effects.flashScreen(0xFF0000, 1000);
				LK.showGameOver();
				return;
			}
			thief.destroy();
			thieves.splice(i, 1);
		}
	}
	for (var i = weaponPickups.length - 1; i >= 0; i--) {
		var pickup = weaponPickups[i];
		if (pickup.intersects(player)) {
			player.weapon.setWeapon(pickup.weaponType);
			LK.getSound('pickup').play();
			pickup.destroy();
			weaponPickups.splice(i, 1);
		}
	}
	if (thieves.length === 0 && thievesSpawned >= thievesInWave) {
		nextWave();
	}
	var closestThief = findClosestThief();
	if (closestThief && player.canShoot()) {
		player.shoot(closestThief.x, closestThief.y);
	}
};