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

/**** 
* Classes
****/ 
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.targetX = 0;
	self.targetY = 0;
	self.speed = 25;
	self.travelled = 0;
	self.maxDistance = 200;
	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.travelled < self.maxDistance) {
			var moveX = dx / distance * self.speed;
			var moveY = dy / distance * self.speed;
			self.x += moveX;
			self.y += moveY;
			self.travelled += Math.sqrt(moveX * moveX + moveY * moveY);
		} else {
			self.alpha -= 0.1;
		}
	};
	return self;
});
var Crosshair = Container.expand(function () {
	var self = Container.call(this);
	var crosshairGraphics = self.attachAsset('crosshair', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	crosshairGraphics.alpha = 0.7;
	self.visible = false;
	return self;
});
var Duck = Container.expand(function () {
	var self = Container.call(this);
	var duckGraphics = self.attachAsset('duck', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 3 + Math.random() * 4; // Random speed between 3-7
	self.direction = Math.random() < 0.5 ? 1 : -1; // Left or right
	self.verticalSpeed = (Math.random() - 0.5) * 2; // Random vertical movement
	self.isHit = false;
	self.points = 100;
	// Set initial position based on direction
	if (self.direction > 0) {
		self.x = -100;
	} else {
		self.x = 2148;
	}
	self.y = 300 + Math.random() * 1000; // Random height
	self.update = function () {
		if (self.isHit) return;
		self.x += self.speed * self.direction;
		self.y += self.verticalSpeed;
		// Add some wobble to flight pattern
		self.y += Math.sin(LK.ticks * 0.1 + self.x * 0.01) * 2;
		// Keep ducks within screen bounds vertically
		if (self.y < 200) {
			self.y = 200;
			self.verticalSpeed = Math.abs(self.verticalSpeed);
		}
		if (self.y > 2500) {
			self.y = 2500;
			self.verticalSpeed = -Math.abs(self.verticalSpeed);
		}
	};
	self.hit = function () {
		if (self.isHit) return false;
		self.isHit = true;
		LK.getSound('hit').play();
		// Flash effect
		LK.effects.flashObject(self, 0xFFFFFF, 300);
		// Fall down animation
		tween(self, {
			y: self.y + 200,
			alpha: 0,
			rotation: Math.PI
		}, {
			duration: 800,
			easing: tween.easeIn
		});
		return true;
	};
	return self;
});
var Grass = Container.expand(function () {
	var self = Container.call(this);
	var grassGraphics = self.attachAsset('grass', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	grassGraphics.alpha = 0.8;
	return self;
});
var Hunter = Container.expand(function () {
	var self = Container.call(this);
	var gunGraphics = self.attachAsset('Gun', {
		anchorX: 0.2,
		anchorY: 0.8,
		x: 40,
		y: -120
	});
	var hunterGraphics = self.attachAsset('Hunterr', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.defaultY = 0;
	self.shootOffset = -30;
	self.isLookingRight = true;
	self.shoot = function (targetX, targetY) {
		// Determine which direction to look based on target
		var shouldLookRight = targetX > self.x;
		if (shouldLookRight !== self.isLookingRight) {
			self.isLookingRight = shouldLookRight;
			// Flip hunter sprite
			hunterGraphics.scaleX = shouldLookRight ? 1 : -1;
			// Position gun on correct arm with smooth transition
			var newGunX = shouldLookRight ? 40 : -40;
			var newGunScaleX = shouldLookRight ? 1 : -1;
			tween(gunGraphics, {
				x: newGunX,
				scaleX: newGunScaleX
			}, {
				duration: 200,
				easing: tween.easeOut
			});
		}
		// Calculate precise angle to target for gun rotation
		var gunWorldX = self.x + gunGraphics.x * hunterGraphics.scaleX;
		var gunWorldY = self.y + gunGraphics.y - 120;
		var dx = targetX - gunWorldX;
		var dy = targetY - gunWorldY;
		var angle = Math.atan2(dy, dx);
		// Adjust angle based on hunter direction
		if (!shouldLookRight) {
			angle = Math.PI - angle;
		}
		// Limit gun angle to reasonable shooting range
		var maxAngle = Math.PI / 3; // 60 degrees
		var minAngle = -Math.PI / 6; // -30 degrees
		if (shouldLookRight) {
			angle = Math.max(minAngle, Math.min(maxAngle, angle));
		} else {
			// When facing left, adjust angle constraints
			var leftMaxAngle = Math.PI + Math.PI / 6; // 210 degrees
			var leftMinAngle = Math.PI - Math.PI / 3; // 120 degrees
			angle = Math.max(leftMinAngle, Math.min(leftMaxAngle, angle));
		}
		// Pre-aim animation - quick aim to target
		tween(gunGraphics, {
			rotation: angle,
			y: gunGraphics.y - 10 // Slight lift for aiming
		}, {
			duration: 120,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				// Shooting recoil - gun kicks back slightly
				tween(gunGraphics, {
					y: gunGraphics.y + 15,
					rotation: angle + (shouldLookRight ? 0.2 : -0.2)
				}, {
					duration: 80,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						// Return gun to aimed position
						tween(gunGraphics, {
							y: -120,
							rotation: angle
						}, {
							duration: 150,
							easing: tween.easeIn
						});
					}
				});
			}
		});
		// Enhanced hunter body recoil animation
		tween(self, {
			y: self.defaultY + 25,
			x: self.x + (shouldLookRight ? -8 : 8) // Slight backward lean
		}, {
			duration: 100,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(self, {
					y: self.defaultY,
					x: 2048 / 2 // Return to center
				}, {
					duration: 250,
					easing: tween.easeInOut
				});
			}
		});
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB
});

/**** 
* Game Code
****/ 
var ducks = [];
var bullets = [];
var crosshair = null;
var missedDucks = 0;
var maxMissedDucks = 5;
var consecutiveHits = 0;
var waveNumber = 1;
var ducksInWave = 3;
var ducksSpawned = 0;
var waveTimer = 0;
// UI Elements
var scoreTxt = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var missedTxt = new Text2('Missed: 0/5', {
	size: 60,
	fill: 0xFF0000
});
missedTxt.anchor.set(1, 0);
LK.gui.topRight.addChild(missedTxt);
var waveTxt = new Text2('Wave: 1', {
	size: 60,
	fill: 0x00FF00
});
waveTxt.anchor.set(0, 0);
waveTxt.x = 150; // Offset from top-left to avoid menu
waveTxt.y = 50;
LK.gui.topLeft.addChild(waveTxt);
// Create crosshair
crosshair = game.addChild(new Crosshair());
// Create hunter positioned at bottom center
var hunter = game.addChild(new Hunter());
hunter.x = 2048 / 2;
hunter.y = 2732 - 50;
hunter.defaultY = hunter.y;
// Create grass across the entire bottom of the screen
var grassObjects = [];
var grassWidth = 400; // Width of each grass asset
var numGrassObjects = Math.ceil(2048 / grassWidth) + 1; // Cover full width plus some overlap
for (var g = 0; g < numGrassObjects; g++) {
	var grass = game.addChild(new Grass());
	grass.x = g * (grassWidth * 0.8); // Slight overlap between grass objects
	grass.y = 2732 - 30;
	grassObjects.push(grass);
}
function spawnDuck() {
	var duck = new Duck();
	// Adjust speed based on wave
	duck.speed += waveNumber * 0.5;
	duck.points += waveNumber * 10;
	ducks.push(duck);
	game.addChild(duck);
	ducksSpawned++;
}
function updateScore() {
	scoreTxt.setText('Score: ' + LK.getScore());
}
function updateMissed() {
	missedTxt.setText('Missed: ' + missedDucks + '/' + maxMissedDucks);
}
function updateWave() {
	waveTxt.setText('Wave: ' + waveNumber);
}
function checkHit(x, y) {
	var hitDuck = null;
	var minDistance = 100; // Hit radius
	for (var i = 0; i < ducks.length; i++) {
		var duck = ducks[i];
		if (duck.isHit) continue;
		var dx = duck.x - x;
		var dy = duck.y - y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < minDistance) {
			minDistance = distance;
			hitDuck = duck;
		}
	}
	return hitDuck;
}
function startNextWave() {
	waveNumber++;
	ducksSpawned = 0;
	ducksInWave = Math.min(3 + Math.floor(waveNumber / 2), 8); // Max 8 ducks per wave
	waveTimer = 0;
	updateWave();
}
// Game controls
game.down = function (x, y, obj) {
	// Show crosshair
	crosshair.x = x;
	crosshair.y = y;
	crosshair.visible = true;
	// Create bullet
	var bullet = new Bullet();
	bullet.x = x;
	bullet.y = y;
	bullet.targetX = x;
	bullet.targetY = y;
	bullets.push(bullet);
	game.addChild(bullet);
	// Play shoot sound
	LK.getSound('shoot').play();
	// Trigger hunter shooting animation
	hunter.shoot(x, y);
	// Check for hit
	var hitDuck = checkHit(x, y);
	if (hitDuck) {
		if (hitDuck.hit()) {
			consecutiveHits++;
			var points = hitDuck.points;
			// Bonus for consecutive hits
			if (consecutiveHits > 1) {
				points += consecutiveHits * 10;
			}
			LK.setScore(LK.getScore() + points);
			updateScore();
		}
	} else {
		consecutiveHits = 0;
		LK.getSound('miss').play();
	}
	// Hide crosshair after short delay
	LK.setTimeout(function () {
		crosshair.visible = false;
	}, 100);
};
game.update = function () {
	waveTimer++;
	// Spawn ducks for current wave
	if (ducksSpawned < ducksInWave && waveTimer % 120 === 0) {
		// Spawn every 2 seconds
		spawnDuck();
	}
	// Update and remove off-screen ducks
	for (var i = ducks.length - 1; i >= 0; i--) {
		var duck = ducks[i];
		if (duck.lastX === undefined) duck.lastX = duck.x;
		if (duck.lastOffScreen === undefined) duck.lastOffScreen = false;
		var currentOffScreen = duck.x < -150 || duck.x > 2198;
		// Check if duck just went off screen
		if (!duck.lastOffScreen && currentOffScreen && !duck.isHit) {
			missedDucks++;
			updateMissed();
			consecutiveHits = 0;
			if (missedDucks >= maxMissedDucks) {
				LK.showGameOver();
				return;
			}
		}
		// Remove duck if it's been off screen for a while or hit and faded
		if (currentOffScreen && (duck.lastOffScreen || duck.isHit) || duck.alpha <= 0) {
			duck.destroy();
			ducks.splice(i, 1);
		} else {
			duck.lastX = duck.x;
			duck.lastOffScreen = currentOffScreen;
		}
	}
	// Update and remove bullets
	for (var j = bullets.length - 1; j >= 0; j--) {
		var bullet = bullets[j];
		if (bullet.alpha <= 0) {
			bullet.destroy();
			bullets.splice(j, 1);
		}
	}
	// Check if wave is complete
	if (ducksSpawned >= ducksInWave && ducks.length === 0) {
		startNextWave();
	}
	// Win condition - survive 10 waves
	if (waveNumber > 10) {
		LK.showYouWin();
	}
};
// Initialize first wave
spawnDuck();