/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1", {
	highScore: 0
});

/**** 
* Classes
****/ 
var BowAndArrow = Container.expand(function () {
	var self = Container.call(this);
	var arrowGraphics = self.attachAsset('weapon', {
		anchorX: 0.5,
		anchorY: 0.5,
		rotation: Math.PI / 2 // Horizontal orientation
	});
	self.speed = 10;
	self.damage = 5;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5,
		rotation: Math.PI // Face down
	});
	self.speed = 3 + Math.random() * 2;
	self.damage = 10;
	self.health = 1;
	self.points = 10;
	self.type = 'basic';
	self.update = function () {
		self.y += self.speed;
		// Check if player is in path and shoot an arrow
		if (Math.abs(gladiator.x - self.x) < 50) {
			var arrow = new BowAndArrow();
			arrow.x = self.x;
			arrow.y = self.y;
			weapons.push(arrow);
			game.addChild(arrow);
		}
		self.lastArrowShot = self.lastArrowShot || 0;
		if (Date.now() - self.lastArrowShot > 2000 && Math.random() < 0.05) {
			// Shoot an arrow every 2 seconds on average
			var arrow = new BowAndArrow();
			arrow.x = self.x;
			arrow.y = self.y;
			weapons.push(arrow);
			game.addChild(arrow);
			self.lastArrowShot = Date.now();
		}
	};
	self.takeDamage = function (amount) {
		self.health -= amount;
		// Flash red when hit
		LK.effects.flashObject(enemyGraphics, 0xFF0000, 300);
		if (self.health <= 0) {
			return true; // Enemy died
		}
		return false; // Enemy still alive
	};
	return self;
});
var Horseman = Enemy.expand(function () {
	var self = Enemy.call(this);
	// Replace the enemy graphics with horseman graphics
	self.removeChild(self.getChildAt(0));
	var horsemanGraphics = self.attachAsset('horseman', {
		anchorX: 0.5,
		anchorY: 0.5,
		rotation: Math.PI // Face down
	});
	self.speed = 5 + Math.random() * 3;
	self.damage = 20;
	self.health = 2;
	self.points = 25;
	self.type = 'horseman';
	return self;
});
var Gladiator = Container.expand(function () {
	var self = Container.call(this);
	var gladiatorGraphics = self.attachAsset('gladiator', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Shield effect
	var shieldGraphics = self.attachAsset('shield', {
		anchorX: 0.5,
		anchorY: 0.5,
		y: 80,
		alpha: 0
	});
	// Health bar
	var healthBarBg = self.attachAsset('healthBar', {
		anchorX: 0.5,
		anchorY: 0.5,
		y: -120,
		width: 150,
		color: 0xFF0000
	});
	var healthBarFg = self.attachAsset('healthBar', {
		anchorX: 0,
		anchorY: 0.5,
		x: -75,
		y: -120,
		width: 150
	});
	self.health = 100;
	self.maxHealth = 100;
	self.shielding = false;
	self.shieldDuration = 1500;
	self.shieldCooldown = 0;
	self.maxShieldCooldown = 3000;
	self.down = function (x, y, obj) {
		if (self.shieldCooldown <= 0) {
			self.activateShield();
		}
	};
	self.activateShield = function () {
		self.shielding = true;
		shieldGraphics.alpha = 0.8;
		self.shieldCooldown = self.maxShieldCooldown;
		LK.setTimeout(function () {
			self.shielding = false;
			shieldGraphics.alpha = 0;
		}, self.shieldDuration);
	};
	self.takeDamage = function (amount) {
		if (!self.shielding) {
			self.health -= amount;
			// Update health bar
			var healthPercent = Math.max(0, self.health / self.maxHealth);
			healthBarFg.width = 150 * healthPercent;
			// Flash red when hit
			LK.effects.flashObject(gladiatorGraphics, 0xFF0000, 300);
			if (self.health <= 0) {
				LK.getSound('death').play();
				LK.setTimeout(function () {
					LK.showGameOver();
				}, 500);
			} else {
				LK.getSound('hit').play();
			}
			return true; // Damage was dealt
		} else {
			// Shield blocked the hit
			LK.effects.flashObject(shieldGraphics, 0xFFFFFF, 300);
			LK.getSound('block').play();
			return false; // Damage was blocked
		}
	};
	self.update = function () {
		// Update shield cooldown
		if (self.shieldCooldown > 0) {
			self.shieldCooldown -= 16.67; // Approximate ms per frame at 60fps
		}
	};
	return self;
});
var Weapon = Container.expand(function () {
	var self = Container.call(this);
	var weaponGraphics = self.attachAsset('weapon', {
		anchorX: 0.5,
		anchorY: 0.5,
		rotation: Math.PI / 2 // Horizontal orientation
	});
	self.speed = 7;
	self.damage = 15;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2F4F4F
});

/**** 
* Game Code
****/ 
// Initialize arena
var arena = LK.getAsset('arena', {
	anchorX: 0.5,
	anchorY: 0.5,
	alpha: 0.7
});
arena.x = 2048 / 2;
arena.y = 2732 / 2;
game.addChild(arena);
// Game variables
var score = 0;
var level = 1;
var enemies = [];
var weapons = [];
var spawnInterval = 2000; // Initial spawn interval in milliseconds
var lastSpawn = 0;
var weaponSpawnChance = 0.1;
var horsemanSpawnChance = 0.05;
var mouseX = 2048 / 2;
var mouseY = 2732 / 2;
var isDragging = false;
// Create player
var gladiator = new Gladiator();
gladiator.x = 2048 / 2;
gladiator.y = 2732 - 400;
game.addChild(gladiator);
// Score display
var scoreTxt = new Text2('SCORE: 0', {
	size: 90,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Level display
var levelTxt = new Text2('LEVEL 1', {
	size: 70,
	fill: 0xFFFF00
});
levelTxt.anchor.set(0.5, 0);
levelTxt.y = 100;
LK.gui.top.addChild(levelTxt);
// High score display
var highScoreTxt = new Text2('HIGH SCORE: ' + storage.highScore, {
	size: 60,
	fill: 0xAAFFAA
});
highScoreTxt.anchor.set(0.5, 0);
highScoreTxt.y = 180;
LK.gui.top.addChild(highScoreTxt);
// Handle touch/mouse events
game.down = function (x, y, obj) {
	isDragging = true;
	mouseX = x;
	mouseY = y;
};
game.up = function (x, y, obj) {
	isDragging = false;
};
game.move = function (x, y, obj) {
	if (isDragging) {
		mouseX = x;
		mouseY = y;
	}
};
// Spawn enemies
function spawnEnemy() {
	var enemy;
	// Random chance to spawn horseman based on current level
	if (Math.random() < horsemanSpawnChance) {
		enemy = new Horseman();
	} else {
		enemy = new Enemy();
	}
	// Position enemy randomly across top of the screen
	enemy.x = Math.random() * (2048 - 200) + 100;
	enemy.y = -200;
	// Adjust difficulty based on level
	enemy.speed += (level - 1) * 0.5;
	enemy.health += Math.floor((level - 1) / 3);
	enemies.push(enemy);
	game.addChild(enemy);
	// Random chance to spawn weapon
	if (Math.random() < weaponSpawnChance) {
		spawnWeapon();
	}
}
// Spawn thrown weapons
function spawnWeapon() {
	var weapon = new Weapon();
	weapon.x = Math.random() * (2048 - 200) + 100;
	weapon.y = -100;
	weapons.push(weapon);
	game.addChild(weapon);
}
// Track last update time
var lastUpdateTime = Date.now();
var elapsedGameTime = 0;
// Game update logic
game.update = function () {
	// Calculate delta time
	var currentTime = Date.now();
	var deltaTime = currentTime - lastUpdateTime;
	lastUpdateTime = currentTime;
	// Move gladiator smoothly toward touch position
	if (isDragging) {
		var dx = mouseX - gladiator.x;
		var dy = mouseY - gladiator.y;
		// Limit player movement to bottom half of screen
		var targetY = Math.min(mouseY, 2732 - 300);
		targetY = Math.max(targetY, 2732 / 2);
		gladiator.x += dx * 0.1;
		gladiator.y += (targetY - gladiator.y) * 0.1;
	}
	// Keep track of elapsed time for spawning
	elapsedGameTime += deltaTime;
	// Spawn enemies based on interval
	if (elapsedGameTime - lastSpawn > spawnInterval) {
		spawnEnemy();
		lastSpawn = elapsedGameTime;
	}
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		// Check for collision with gladiator
		if (!enemy.collisionChecked && enemy.intersects(gladiator)) {
			enemy.collisionChecked = true;
			// Player attacks enemy
			var enemyDied = enemy.takeDamage(1);
			if (enemyDied) {
				// Update score
				score += enemy.points;
				scoreTxt.setText('SCORE: ' + score);
				// Check high score
				if (score > storage.highScore) {
					storage.highScore = score;
					highScoreTxt.setText('HIGH SCORE: ' + storage.highScore);
				}
				// Remove enemy
				enemy.destroy();
				enemies.splice(i, 1);
				// Level up check
				if (score >= level * 100) {
					levelUp();
				}
			} else {
				// Enemy hits player if not killed
				var damageDealt = gladiator.takeDamage(enemy.damage);
				// If attack was blocked, knockback the enemy
				if (!damageDealt) {
					enemy.y -= 100;
				}
			}
		} else if (enemy.y > 2732 + 100) {
			// Enemy went off screen
			enemy.destroy();
			enemies.splice(i, 1);
		}
	}
	// Update weapons
	for (var i = weapons.length - 1; i >= 0; i--) {
		var weapon = weapons[i];
		// Check for collision with gladiator
		if (!weapon.collisionChecked && weapon.intersects(gladiator)) {
			weapon.collisionChecked = true;
			// Weapon hits player
			gladiator.takeDamage(weapon.damage);
			// Remove weapon
			weapon.destroy();
			weapons.splice(i, 1);
		} else if (weapon.y > 2732 + 50) {
			// Weapon went off screen
			weapon.destroy();
			weapons.splice(i, 1);
		}
	}
	// Gradually decrease spawn interval based on time (make game harder)
	spawnInterval = Math.max(500, 2000 - elapsedGameTime / 10000);
};
// Level up function
function levelUp() {
	level++;
	levelTxt.setText('LEVEL ' + level);
	// Increase difficulty
	horsemanSpawnChance = Math.min(0.4, 0.05 + (level - 1) * 0.05);
	weaponSpawnChance = Math.min(0.5, 0.1 + (level - 1) * 0.05);
	// Visual effect
	LK.effects.flashScreen(0xFFFF00, 500);
	LK.getSound('levelUp').play();
}
// Start background music
LK.playMusic('arenaMusic', {
	fade: {
		start: 0,
		end: 0.4,
		duration: 1000
	}
});