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

/**** 
* Classes
****/ 
// Enemy Type 1: Basic Enemy - moves straight down
var BasicEnemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemyBox', {
		anchorX: 0.5,
		anchorY: 0.5,
		tint: 0xff0000
	});
	self.speed = 2;
	self.points = 10;
	self.health = 1;
	self.type = 'basic';
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
// Enemy Type 6: Boss Enemy - large, slow, high health
var BossEnemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemyBox', {
		anchorX: 0.5,
		anchorY: 0.5,
		tint: 0xffff00,
		scaleX: 2,
		scaleY: 2
	});
	self.speed = 0.5;
	self.points = 200;
	self.health = 10;
	self.type = 'boss';
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
// Legacy Enemy for compatibility
// Enemy Type 2: Fast Enemy - moves faster
var FastEnemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemyBox', {
		anchorX: 0.5,
		anchorY: 0.5,
		tint: 0x00ff00,
		scaleX: 0.8,
		scaleY: 0.8
	});
	self.speed = 5;
	self.points = 20;
	self.health = 1;
	self.type = 'fast';
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
// Flying Bird - moves horizontally across screen
var FlyingBird = Container.expand(function () {
	var self = Container.call(this);
	var birdGraphics = self.attachAsset('bird', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speedX = 3;
	self.speedY = Math.random() * 2 - 1; // Random vertical movement
	self.update = function () {
		self.x += self.speedX;
		self.y += self.speedY;
		// Simple flapping animation
		self.rotation = Math.sin(LK.ticks * 0.2) * 0.2;
	};
	return self;
});
// Set background
var Hero = Container.expand(function () {
	var self = Container.call(this);
	var heroGraphics = self.attachAsset('heroBox', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.fireRate = 5; // Fire every 5 ticks (4x faster)
	self.lastFire = 0;
	self.barrels = 1; // Start with 1 barrel
	self.isFiring = false; // Track if hero is currently being touched for firing
	// Add fire method to be called when touching the hero
	self.fire = function () {
		if (LK.ticks - self.lastFire > self.fireRate) {
			self.lastFire = LK.ticks;
			// Fire bullets from multiple barrels
			for (var b = 0; b < self.barrels; b++) {
				var bullet = new HeroBullet();
				// Calculate bullet position to spread horizontally toward top of screen
				var totalWidth = (self.barrels - 1) * 80; // 80 pixels apart horizontally
				var offsetX = b * 80 - totalWidth / 2; // Center the spread
				bullet.x = self.x + offsetX;
				bullet.y = self.y - 50;
				heroBullets.push(bullet);
				game.addChild(bullet);
			}
		}
	};
	self.update = function () {
		// Continuous firing while being touched
		if (self.isFiring) {
			self.fire();
		}
	};
	// Touch event handler for hero - fire when touched
	self.down = function (x, y, obj) {
		self.fire();
	};
	return self;
});
var HeroBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('heroBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -60;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
// Enemy Type 5: Spinner Enemy - rotates while moving
var SpinnerEnemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemyBox', {
		anchorX: 0.5,
		anchorY: 0.5,
		tint: 0xff00ff
	});
	self.speed = 2.5;
	self.points = 25;
	self.health = 2;
	self.type = 'spinner';
	self.rotationSpeed = 0.1;
	self.update = function () {
		self.y += self.speed;
		self.rotation += self.rotationSpeed;
	};
	return self;
});
// Enemy Type 3: Tank Enemy - slow but strong
var TankEnemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemyBox', {
		anchorX: 0.5,
		anchorY: 0.5,
		tint: 0x888888,
		scaleX: 1.5,
		scaleY: 1.5
	});
	self.speed = 1;
	self.points = 50;
	self.health = 3;
	self.type = 'tank';
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
// Enemy Type 4: Zigzag Enemy - moves in zigzag pattern
var ZigzagEnemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemyBox', {
		anchorX: 0.5,
		anchorY: 0.5,
		tint: 0x0000ff
	});
	self.speed = 2;
	self.points = 30;
	self.health = 1;
	self.type = 'zigzag';
	self.direction = 1;
	self.zigzagSpeed = 3;
	self.update = function () {
		self.y += self.speed;
		self.x += self.direction * self.zigzagSpeed;
		// Change direction if hitting screen edges
		if (self.x <= 100 || self.x >= 1948) {
			self.direction *= -1;
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
// Set background
// Legacy Enemy for compatibility
var Enemy = BasicEnemy;
game.setBackgroundColor(0x4488cc);
// Add gradient background
var backgroundGradient = LK.getAsset('manzara', {
	width: 2048,
	height: 2732,
	scaleX: 20.48,
	scaleY: 27.32,
	alpha: 0.3
});
game.addChildAt(backgroundGradient, 0);
// Game variables
var hero;
var enemies = [];
var heroBullets = [];
var waveNumber = 1;
var enemiesSpawned = 0;
var enemiesPerWave = 5;
var spawnTimer = 0;
var spawnRate = 60; // Spawn every 60 ticks initially
var dragNode = null;
var lastScoreCheck = 0; // Track last score when landscape was added
var landscapeElements = []; // Track all landscape elements
// Create hero
hero = new Hero();
hero.x = 2048 / 2;
hero.y = 2732 - 200;
game.addChild(hero);
// Score display
var scoreTxt = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Wave display
var waveTxt = new Text2('Wave: 1', {
	size: 60,
	fill: 0xFFFF00
});
waveTxt.anchor.set(0, 0);
waveTxt.x = 50;
waveTxt.y = 50;
LK.gui.topLeft.addChild(waveTxt);
// Touch controls
game.down = function (x, y, obj) {
	// Check if touching the hero using direct coordinate comparison
	var heroHalfWidth = hero.width / 2;
	var heroHalfHeight = hero.height / 2;
	var touchingHero = x >= hero.x - heroHalfWidth && x <= hero.x + heroHalfWidth && y >= hero.y - heroHalfHeight && y <= hero.y + heroHalfHeight;
	if (touchingHero) {
		// Start continuous firing when touching hero
		hero.isFiring = true;
		hero.fire(); // Fire immediately
	}
	// Always allow dragging
	dragNode = hero;
	hero.x = x;
	hero.y = y;
};
game.move = function (x, y, obj) {
	if (dragNode) {
		// Apply smooth movement with speed multiplier for faster response
		var speedMultiplier = 1.5;
		var targetX = x;
		var targetY = y;
		// Calculate direction and apply speed
		var deltaX = targetX - dragNode.x;
		var deltaY = targetY - dragNode.y;
		dragNode.x += deltaX * speedMultiplier;
		dragNode.y += deltaY * speedMultiplier;
	}
};
game.up = function (x, y, obj) {
	dragNode = null;
	// Stop continuous firing when touch is released
	hero.isFiring = false;
};
// Main game loop
game.update = function () {
	// Spawn enemies
	spawnTimer++;
	if (spawnTimer >= spawnRate && enemiesSpawned < enemiesPerWave) {
		spawnTimer = 0;
		var enemy;
		var enemyType = Math.random();
		// Spawn different enemy types based on wave number and random chance
		if (waveNumber >= 10 && enemyType < 0.1) {
			// Boss enemy (10% chance after wave 10)
			enemy = new BossEnemy();
		} else if (waveNumber >= 7 && enemyType < 0.25) {
			// Spinner enemy (15% chance after wave 7)
			enemy = new SpinnerEnemy();
		} else if (waveNumber >= 5 && enemyType < 0.4) {
			// Zigzag enemy (15% chance after wave 5)
			enemy = new ZigzagEnemy();
		} else if (waveNumber >= 3 && enemyType < 0.6) {
			// Tank enemy (20% chance after wave 3)
			enemy = new TankEnemy();
		} else if (waveNumber >= 2 && enemyType < 0.8) {
			// Fast enemy (20% chance after wave 2)
			enemy = new FastEnemy();
		} else {
			// Basic enemy (always available, 20% chance in later waves)
			enemy = new BasicEnemy();
		}
		enemy.x = Math.random() * (2048 - 200) + 100;
		enemy.y = -100;
		// Apply wave speed modifier to base speed
		enemy.speed = enemy.speed + waveNumber * 0.3;
		enemies.push(enemy);
		game.addChild(enemy);
		enemiesSpawned++;
	}
	// Update and check bullet collisions
	for (var i = heroBullets.length - 1; i >= 0; i--) {
		var bullet = heroBullets[i];
		// Remove bullets that go off screen
		if (bullet.y < -50) {
			bullet.destroy();
			heroBullets.splice(i, 1);
			continue;
		}
		// Check collision with enemies
		for (var j = enemies.length - 1; j >= 0; j--) {
			var enemy = enemies[j];
			if (bullet.intersects(enemy)) {
				// Enemy hit - reduce health
				enemy.health--;
				// Remove bullet
				bullet.destroy();
				heroBullets.splice(i, 1);
				// Create smoke and flame effect on hit
				var smokeEffect = LK.getAsset('enemyBox', {
					anchorX: 0.5,
					anchorY: 0.5,
					tint: 0x666666,
					scaleX: 0.3,
					scaleY: 0.3,
					alpha: 0.8
				});
				smokeEffect.x = enemy.x;
				smokeEffect.y = enemy.y;
				game.addChild(smokeEffect);
				var flameEffect = LK.getAsset('enemyBox', {
					anchorX: 0.5,
					anchorY: 0.5,
					tint: 0xff4400,
					scaleX: 0.2,
					scaleY: 0.2,
					alpha: 1.0
				});
				flameEffect.x = enemy.x;
				flameEffect.y = enemy.y;
				game.addChild(flameEffect);
				// Animate smoke effect
				tween(smokeEffect, {
					scaleX: 1.2,
					scaleY: 1.2,
					alpha: 0,
					y: smokeEffect.y - 100
				}, {
					duration: 800,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						smokeEffect.destroy();
					}
				});
				// Animate flame effect
				tween(flameEffect, {
					scaleX: 0.8,
					scaleY: 0.8,
					alpha: 0,
					rotation: Math.PI * 2
				}, {
					duration: 400,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						flameEffect.destroy();
					}
				});
				// Play explosion sound
				LK.getSound('explosion').play();
				// Check if enemy is destroyed
				if (enemy.health <= 0) {
					LK.setScore(LK.getScore() + enemy.points);
					scoreTxt.setText('Score: ' + LK.getScore());
					enemy.destroy();
					enemies.splice(j, 1);
				} else {
					// Enemy damaged but not destroyed - flash red
					LK.effects.flashObject(enemy, 0xff0000, 200);
				}
				break;
			}
		}
	}
	// Update and check enemy collisions with hero
	for (var k = enemies.length - 1; k >= 0; k--) {
		var enemy = enemies[k];
		// Check if enemy reached hero
		if (enemy.intersects(hero)) {
			LK.showGameOver();
			return;
		}
		// Remove enemies that go off screen
		if (enemy.y > 2732 + 100) {
			enemy.destroy();
			enemies.splice(k, 1);
		}
	}
	// Check if wave is complete
	if (enemies.length === 0 && enemiesSpawned >= enemiesPerWave) {
		waveNumber++;
		waveTxt.setText('Wave: ' + waveNumber);
		enemiesSpawned = 0;
		enemiesPerWave = Math.min(5 + waveNumber, 15); // Increase enemies per wave
		spawnRate = Math.max(30, 60 - waveNumber * 2); // Decrease spawn rate
		// Increase barrels every 5 waves
		hero.barrels = Math.floor(waveNumber / 5) + 1;
	}
	// Generate landscape elements at specific score milestones
	var currentScore = LK.getScore();
	// Grass at 200 points
	if (currentScore >= 200 && lastScoreCheck < 200) {
		lastScoreCheck = 200;
		for (var gr = 0; gr < 5; gr++) {
			var grass = LK.getAsset('grass', {
				anchorX: 0.5,
				anchorY: 1.0
			});
			grass.x = Math.random() * 1800 + 124; // Random x position
			grass.y = 2732 - 15; // Just above terrain
			landscapeElements.push(grass);
			game.addChild(grass);
		}
	}
	// Cows at 200 points
	if (currentScore >= 200 && lastScoreCheck < 200) {
		for (var c = 0; c < 2; c++) {
			var cow = LK.getAsset('cow', {
				anchorX: 0.5,
				anchorY: 1.0
			});
			cow.x = Math.random() * 1600 + 224; // Random x position with more margin
			cow.y = 2732 - 40; // Above ground level
			landscapeElements.push(cow);
			game.addChild(cow);
		}
	}
	// Sheep at 300 points
	if (currentScore >= 300 && lastScoreCheck < 300) {
		lastScoreCheck = 300;
		for (var s = 0; s < 3; s++) {
			var sheep = LK.getAsset('sheep', {
				anchorX: 0.5,
				anchorY: 1.0
			});
			sheep.x = Math.random() * 1600 + 224; // Random x position with more margin
			sheep.y = 2732 - 35; // Above ground level
			landscapeElements.push(sheep);
			game.addChild(sheep);
		}
	}
	// Flying birds at 400 points
	if (currentScore >= 400 && lastScoreCheck < 400) {
		lastScoreCheck = 400;
		for (var b = 0; b < 3; b++) {
			var bird = new FlyingBird();
			bird.x = -50; // Start from left edge
			bird.y = Math.random() * 400 + 200; // Random height in upper area
			landscapeElements.push(bird);
			game.addChild(bird);
		}
	}
	// Trees at 500 points
	if (currentScore >= 500 && lastScoreCheck < 500) {
		lastScoreCheck = 500;
		for (var t = 0; t < 2; t++) {
			var tree = LK.getAsset('tree', {
				anchorX: 0.5,
				anchorY: 1.0
			});
			tree.x = Math.random() * 1800 + 124; // Random x position
			tree.y = 2732 - 60; // Above ground level
			landscapeElements.push(tree);
			game.addChild(tree);
		}
	}
	// Clean up birds that have flown off screen
	for (var bird_i = landscapeElements.length - 1; bird_i >= 0; bird_i--) {
		var element = landscapeElements[bird_i];
		if (element.speedX && element.x > 2100) {
			element.destroy();
			landscapeElements.splice(bird_i, 1);
		}
	}
};
// Start background music
LK.playMusic('1a439');