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

/**** 
* Classes
****/ 
var Bullet = Container.expand(function (direction) {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.direction = direction;
	self.speed = 8;
	self.damage = 25;
	self.lifespan = 120;
	self.update = function () {
		self.x += Math.cos(self.direction) * self.speed;
		self.y += Math.sin(self.direction) * self.speed;
		self.lifespan--;
		if (self.lifespan <= 0) {
			self.destroy();
			var index = bullets.indexOf(self);
			if (index > -1) {
				bullets.splice(index, 1);
			}
		}
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var weaponGraphics = self.attachAsset('weapon', {
		anchorX: 0.2,
		anchorY: 0.5,
		x: 25,
		y: 0
	});
	self.weapon = weaponGraphics;
	self.health = 100;
	self.maxHealth = 100;
	self.hunger = 100;
	self.maxHunger = 100;
	self.energy = 100;
	self.maxEnergy = 100;
	self.temperature = 50;
	self.speed = 3;
	self.inventory = {
		wood: 0,
		stone: 0,
		food: 0
	};
	self.takeDamage = function (amount) {
		self.health = Math.max(0, self.health - amount);
		LK.effects.flashObject(self, 0xff0000, 500);
		LK.getSound('hurt').play();
		if (self.health <= 0) {
			LK.showGameOver();
		}
	};
	self.consumeEnergy = function (amount) {
		self.energy = Math.max(0, self.energy - amount);
	};
	self.gatherResource = function (type, amount) {
		self.inventory[type] = (self.inventory[type] || 0) + amount;
	};
	self.aimWeapon = function (targetX, targetY) {
		var dx = targetX - self.x;
		var dy = targetY - self.y;
		var angle = Math.atan2(dy, dx);
		self.weapon.rotation = angle;
	};
	return self;
});
var Resource = Container.expand(function (type) {
	var self = Container.call(this);
	var resourceGraphics = self.attachAsset(type, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.resourceType = type;
	self.health = type === 'tree' ? 3 : 2;
	self.maxHealth = self.health;
	self.harvest = function () {
		self.health--;
		if (type === 'tree') {
			player.gatherResource('wood', 2);
			LK.getSound('chop').play();
		} else if (type === 'rock') {
			player.gatherResource('stone', 1);
			LK.getSound('mine').play();
		}
		LK.effects.flashObject(self, 0xffffff, 300);
		if (self.health <= 0) {
			self.destroy();
			var index = resources.indexOf(self);
			if (index > -1) {
				resources.splice(index, 1);
			}
		}
	};
	self.down = function (x, y, obj) {
		var distance = Math.sqrt((player.x - self.x) * (player.x - self.x) + (player.y - self.y) * (player.y - self.y));
		if (distance < 100) {
			self.harvest();
		}
	};
	return self;
});
var Wall = Container.expand(function () {
	var self = Container.call(this);
	var wallGraphics = self.attachAsset('wall', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 50;
	self.maxHealth = 50;
	return self;
});
var Zombie = Container.expand(function () {
	var self = Container.call(this);
	var zombieGraphics = self.attachAsset('zombie', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 30;
	self.speed = 1.5;
	self.damage = 10;
	self.attackCooldown = 0;
	self.isNighttime = false;
	self.update = function () {
		if (player) {
			var dx = player.x - self.x;
			var dy = player.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > 5) {
				var moveSpeed = self.isNighttime ? self.speed * 1.5 : self.speed;
				self.x += dx / distance * moveSpeed;
				self.y += dy / distance * moveSpeed;
			} else if (self.attackCooldown <= 0) {
				player.takeDamage(self.damage);
				self.attackCooldown = 60;
			}
			if (self.attackCooldown > 0) {
				self.attackCooldown--;
			}
		}
	};
	self.takeDamage = function (amount) {
		self.health -= amount;
		LK.effects.flashObject(self, 0xffffff, 200);
		if (self.health <= 0) {
			self.destroy();
			var index = zombies.indexOf(self);
			if (index > -1) {
				zombies.splice(index, 1);
			}
			LK.setScore(LK.getScore() + 10);
			killCount++;
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2d5016
});

/**** 
* Game Code
****/ 
var player = null;
var zombies = [];
var resources = [];
var bullets = [];
var structures = [];
var dayTime = 0;
var isNight = false;
var spawnTimer = 0;
var survivalTimer = 0;
var lastResourceSpawn = 0;
// UI Elements
var healthBar = new Text2('Health: 100', {
	size: 40,
	fill: 0xFF0000
});
healthBar.anchor.set(0, 0);
LK.gui.topLeft.addChild(healthBar);
healthBar.x = 120;
healthBar.y = 20;
var hungerBar = new Text2('Hunger: 100', {
	size: 40,
	fill: 0xFFA500
});
hungerBar.anchor.set(0, 0);
LK.gui.topLeft.addChild(hungerBar);
hungerBar.x = 120;
hungerBar.y = 70;
var energyBar = new Text2('Energy: 100', {
	size: 40,
	fill: 0x00FF00
});
energyBar.anchor.set(0, 0);
LK.gui.topLeft.addChild(energyBar);
energyBar.x = 120;
energyBar.y = 120;
var inventoryText = new Text2('Wood: 0 | Stone: 0', {
	size: 35,
	fill: 0xFFFFFF
});
inventoryText.anchor.set(0, 0);
LK.gui.topLeft.addChild(inventoryText);
inventoryText.x = 120;
inventoryText.y = 170;
var dayNightText = new Text2('Day', {
	size: 50,
	fill: 0xFFFF00
});
dayNightText.anchor.set(0.5, 0);
LK.gui.top.addChild(dayNightText);
var scoreText = new Text2('Score: 0', {
	size: 45,
	fill: 0xFFFFFF
});
scoreText.anchor.set(1, 0);
LK.gui.topRight.addChild(scoreText);
scoreText.x = -20;
scoreText.y = 20;
var killsText = new Text2('Kills: 0', {
	size: 40,
	fill: 0xFF6B6B
});
killsText.anchor.set(1, 0);
LK.gui.topRight.addChild(killsText);
killsText.x = -20;
killsText.y = 70;
var timeText = new Text2('Time: 0:00', {
	size: 40,
	fill: 0x4ECDC4
});
timeText.anchor.set(1, 0);
LK.gui.topRight.addChild(timeText);
timeText.x = -20;
timeText.y = 120;
var killCount = 0;
// Create player
player = game.addChild(new Player());
player.x = 1024;
player.y = 1366;
// Create initial resources
function spawnResource() {
	if (resources.length < 15) {
		var resourceType = Math.random() > 0.6 ? 'tree' : 'rock';
		var resource = game.addChild(new Resource(resourceType));
		resource.x = Math.random() * 1800 + 124;
		resource.y = Math.random() * 2400 + 166;
		resources.push(resource);
	}
}
// Spawn initial resources
for (var i = 0; i < 10; i++) {
	spawnResource();
}
// Zombie spawning
function spawnZombie() {
	var zombie = game.addChild(new Zombie());
	var side = Math.floor(Math.random() * 4);
	switch (side) {
		case 0:
			// Top
			zombie.x = Math.random() * 2048;
			zombie.y = -50;
			break;
		case 1:
			// Right
			zombie.x = 2098;
			zombie.y = Math.random() * 2732;
			break;
		case 2:
			// Bottom
			zombie.x = Math.random() * 2048;
			zombie.y = 2782;
			break;
		case 3:
			// Left
			zombie.x = -50;
			zombie.y = Math.random() * 2732;
			break;
	}
	zombie.isNighttime = isNight;
	zombies.push(zombie);
}
// Touch controls
var targetX = 1024;
var targetY = 1366;
var isMoving = false;
var isShooting = false;
var shootTarget = {
	x: 0,
	y: 0
};
game.down = function (x, y, obj) {
	targetX = x;
	targetY = y;
	isMoving = true;
	// Aim weapon at touch position
	player.aimWeapon(x, y);
	// Check if we can shoot (require some wood as ammo)
	if (player.inventory.wood > 0) {
		isShooting = true;
		shootTarget.x = x;
		shootTarget.y = y;
	}
};
game.move = function (x, y, obj) {
	if (isMoving) {
		targetX = x;
		targetY = y;
	}
	// Always aim weapon at cursor/touch position
	player.aimWeapon(x, y);
};
game.up = function (x, y, obj) {
	isMoving = false;
	if (isShooting && player.inventory.wood > 0) {
		// Create bullet
		var dx = shootTarget.x - player.x;
		var dy = shootTarget.y - player.y;
		var angle = Math.atan2(dy, dx);
		var bullet = game.addChild(new Bullet(angle));
		bullet.x = player.x;
		bullet.y = player.y;
		bullets.push(bullet);
		player.inventory.wood = Math.max(0, player.inventory.wood - 1);
		LK.getSound('shoot').play();
	}
	isShooting = false;
};
// Game update loop
game.update = function () {
	survivalTimer++;
	dayTime++;
	spawnTimer++;
	lastResourceSpawn++;
	// Day/night cycle (300 ticks = 5 seconds per cycle)
	if (dayTime >= 600) {
		dayTime = 0;
		isNight = !isNight;
		if (isNight) {
			game.setBackgroundColor(0x1a1a2e);
			dayNightText.setText('Night');
			dayNightText.fill = "#4169e1";
		} else {
			game.setBackgroundColor(0x2d5016);
			dayNightText.setText('Day');
			dayNightText.fill = "#ffff00";
		}
		// Update all zombies for night mode
		for (var z = 0; z < zombies.length; z++) {
			zombies[z].isNighttime = isNight;
		}
	}
	// Player movement
	if (isMoving) {
		var dx = targetX - player.x;
		var dy = targetY - player.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 5) {
			player.x += dx / distance * player.speed;
			player.y += dy / distance * player.speed;
		}
		// Keep player in bounds
		player.x = Math.max(30, Math.min(2018, player.x));
		player.y = Math.max(30, Math.min(2702, player.y));
	}
	// Spawn zombies
	var spawnRate = isNight ? 80 : 120;
	if (spawnTimer >= spawnRate && zombies.length < (isNight ? 8 : 5)) {
		spawnZombie();
		spawnTimer = 0;
	}
	// Spawn resources
	if (lastResourceSpawn >= 300) {
		spawnResource();
		lastResourceSpawn = 0;
	}
	// Survival mechanics
	if (survivalTimer % 300 === 0) {
		// Every 5 seconds
		player.hunger = Math.max(0, player.hunger - 2);
		player.temperature = Math.max(0, player.temperature - tempLoss);
		if (player.hunger <= 0) {
			player.takeDamage(5);
		}
		if (player.temperature <= 20) {
			player.takeDamage(3);
		}
	}
	// Keep energy at maximum
	player.energy = player.maxEnergy;
	// Adjust temperature loss based on time of day
	var tempLoss = isNight ? 3 : 1;
	// Bullet collision with zombies
	for (var b = bullets.length - 1; b >= 0; b--) {
		var bullet = bullets[b];
		for (var z = 0; z < zombies.length; z++) {
			var zombie = zombies[z];
			if (bullet.intersects(zombie)) {
				zombie.takeDamage(bullet.damage);
				bullet.destroy();
				bullets.splice(b, 1);
				break;
			}
		}
		// Remove bullets that go off screen
		if (bullet && (bullet.x < -50 || bullet.x > 2098 || bullet.y < -50 || bullet.y > 2782)) {
			bullet.destroy();
			bullets.splice(b, 1);
		}
	}
	// Update UI
	healthBar.setText('Health: ' + Math.floor(player.health));
	hungerBar.setText('Hunger: ' + Math.floor(player.hunger));
	energyBar.setText('Energy: ' + Math.floor(player.energy));
	inventoryText.setText('Wood: ' + player.inventory.wood + ' | Stone: ' + player.inventory.stone);
	scoreText.setText('Score: ' + LK.getScore());
	killsText.setText('Kills: ' + killCount);
	var minutes = Math.floor(survivalTimer / 3600);
	var seconds = Math.floor(survivalTimer % 3600 / 60);
	timeText.setText('Time: ' + minutes + ':' + (seconds < 10 ? '0' : '') + seconds);
	// Win condition (survive for 5 minutes)
	if (survivalTimer >= 18000) {
		LK.showYouWin();
	}
};
// Start background music
LK.playMusic('background');