/**** 
* Classes
****/ 
// Fish class: represents a single fish swimming in the ocean
var Fish = Container.expand(function () {
	var self = Container.call(this);
	// Create a simple ellipse as the fish
	var fishAsset = self.attachAsset('fish', {
		width: 120,
		height: 60,
		color: 0xffcc66,
		shape: 'ellipse',
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Randomize initial position and speed
	self.x = Math.random() * 2048;
	self.y = 400 + Math.random() * 1800;
	self.speed = 2 + Math.random() * 3;
	// Track lastX for edge detection
	self.lastX = self.x;
	// Fish swims to the right, loops back to left when off screen
	self.update = function () {
		self.lastX = self.x;
		self.x += self.speed;
		if (self.lastX <= 2048 && self.x > 2048) {
			self.x = -100;
			self.y = 400 + Math.random() * 1800;
			self.speed = 2 + Math.random() * 3;
		}
	};
	return self;
});
var Ocean = Container.expand(function () {
	var self = Container.call(this);
	// Create a large blue rectangle as the ocean background
	var oceanAsset = self.attachAsset('ocean', {
		width: 2048,
		height: 2732,
		color: 0x3399ff,
		shape: 'box',
		anchorX: 0,
		anchorY: 0,
		x: 0,
		y: 0
	});
	return self;
});
// RedFish class: represents a red fish that shrinks the shark
var RedFish = Container.expand(function () {
	var self = Container.call(this);
	// Attach red fish asset
	var redFishAsset = self.attachAsset('redfish', {
		width: 120,
		height: 60,
		color: 0xd83318,
		shape: 'ellipse',
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Randomize initial position and speed
	self.x = Math.random() * 2048;
	self.y = 400 + Math.random() * 1800;
	self.speed = 2 + Math.random() * 3;
	// Track lastX for edge detection
	self.lastX = self.x;
	// Red fish swims to the right, loops back to left when off screen
	self.update = function () {
		self.lastX = self.x;
		self.x += self.speed;
		if (self.lastX <= 2048 && self.x > 2048) {
			self.x = -100;
			self.y = 400 + Math.random() * 1800;
			self.speed = 2 + Math.random() * 3;
		}
	};
	return self;
});
// Shark class: represents the main character (shark) swimming in the ocean
var Shark = Container.expand(function () {
	var self = Container.call(this);
	// Attach a shark asset (box for now, can be replaced with a shark image asset)
	var sharkAsset = self.attachAsset('shark', {
		width: 220,
		height: 100,
		color: 0x444444,
		shape: 'box',
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Start in the center of the ocean
	self.x = 1024;
	self.y = 1366;
	// Track lastX and lastY for possible future movement logic
	self.lastX = self.x;
	self.lastY = self.y;
	// Shark update: just track lastX/lastY for drag movement
	self.update = function () {
		self.lastX = self.x;
		self.lastY = self.y;
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// Hide the mouse cursor during gameplay
if (typeof LK.setCursor === "function") {
	LK.setCursor("none");
} else if (typeof stage !== "undefined" && stage.view && stage.view.style) {
	stage.view.style.cursor = "none";
}
// Add ocean background
var ocean = new Ocean();
game.addChild(ocean);
// Score system
var score = 0;
var scoreTxt = new Text2('0', {
	size: 120,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
scoreTxt.x = LK.gui.top.width / 2;
scoreTxt.y = 10;
// Add several fish swimming in the ocean
var fishArray = [];
for (var i = 0; i < 7; i++) {
	var fish = new Fish();
	fishArray.push(fish);
	game.addChild(fish);
}
// Add the shark character to the game
var shark = new Shark();
game.addChild(shark);
// Add several red fish swimming in the ocean
var redFishArray = [];
for (var i = 0; i < 3; i++) {
	var redFish = new RedFish();
	redFishArray.push(redFish);
	game.addChild(redFish);
}
// Mouse/touch drag control for shark
var draggingShark = false;
// Handle drag start
game.down = function (x, y, obj) {
	// Check if the press is on the shark (simple bounding box check)
	var dx = x - shark.x;
	var dy = y - shark.y;
	// Use shark asset size for hit area
	var halfW = 0.5 * shark.width;
	var halfH = 0.5 * shark.height;
	if (dx >= -halfW && dx <= halfW && dy >= -halfH && dy <= halfH) {
		draggingShark = true;
		// Move shark immediately to touch point
		shark.x = x;
		shark.y = y;
	}
};
// Handle drag move
game.move = function (x, y, obj) {
	if (draggingShark) {
		shark.x = x;
		shark.y = y;
	}
};
// Handle drag end
game.up = function (x, y, obj) {
	draggingShark = false;
};
// Update fish and shark positions every frame
game.update = function () {
	// Blue fish logic (grow)
	for (var i = 0; i < fishArray.length; i++) {
		var fish = fishArray[i];
		fish.update();
		// Track lastWasIntersecting for each fish
		if (typeof fish.lastWasIntersecting === "undefined") {
			fish.lastWasIntersecting = false;
		}
		var isIntersecting = shark.intersects(fish);
		// If shark just started intersecting with this fish, "eat" it
		if (!fish.lastWasIntersecting && isIntersecting) {
			// Move fish to a new random position and speed
			fish.x = -100;
			fish.y = 400 + Math.random() * 1800;
			fish.speed = 2 + Math.random() * 3;
			// Decrement score by 10 and update display
			score -= 10;
			if (score < 0) score = 0;
			scoreTxt.setText(score + "");
			// Grow the shark a bit each time it eats a fish
			if (typeof shark._scaleX === "undefined") {
				shark._scaleX = 1;
				shark._scaleY = 1;
			}
			// Increase scale by 5% per fish eaten
			shark._scaleX *= 1.05;
			shark._scaleY *= 1.05;
			// Clamp max scale to avoid infinite growth
			if (shark._scaleX > 3) shark._scaleX = 3;
			if (shark._scaleY > 3) shark._scaleY = 3;
			shark.scaleX = shark._scaleX;
			shark.scaleY = shark._scaleY;
		}
		fish.lastWasIntersecting = isIntersecting;
	}
	// Increase blue fish speed every 10 score
	if (score > 0 && score % 10 === 0 && typeof game.lastSpeedUpScore !== "number") {
		for (var s = 0; s < fishArray.length; s++) {
			fishArray[s].speed += 1;
		}
		game.lastSpeedUpScore = score;
	}
	if (score % 10 !== 0) {
		game.lastSpeedUpScore = undefined;
	}
	// Red fish logic (shrink)
	for (var j = 0; j < redFishArray.length; j++) {
		var redFish = redFishArray[j];
		redFish.update();
		if (typeof redFish.lastWasIntersecting === "undefined") {
			redFish.lastWasIntersecting = false;
		}
		var isRedIntersecting = shark.intersects(redFish);
		// If shark just started intersecting with this red fish, "eat" it and shrink
		if (!redFish.lastWasIntersecting && isRedIntersecting) {
			// Move red fish to a new random position and speed
			redFish.x = -100;
			redFish.y = 400 + Math.random() * 1800;
			redFish.speed = 2 + Math.random() * 3;
			// Shrink the shark a bit each time it eats a red fish
			if (typeof shark._scaleX === "undefined") {
				shark._scaleX = 1;
				shark._scaleY = 1;
			}
			// Decrease scale by 10% per red fish eaten
			shark._scaleX *= 0.90;
			shark._scaleY *= 0.90;
			// Clamp min scale to avoid disappearing
			if (shark._scaleX < 0.4) shark._scaleX = 0.4;
			if (shark._scaleY < 0.4) shark._scaleY = 0.4;
			shark.scaleX = shark._scaleX;
			shark.scaleY = shark._scaleY;
		}
		redFish.lastWasIntersecting = isRedIntersecting;
	}
	// After score reaches 100, increase the number of red fish if not already done
	if (score >= 100 && !game.redFishIncreased) {
		// Add 5 more red fish
		for (var add = 0; add < 5; add++) {
			var extraRedFish = new RedFish();
			redFishArray.push(extraRedFish);
			game.addChild(extraRedFish);
		}
		game.redFishIncreased = true;
	}
	// Always update shark to track lastX/lastY for movement
	shark.update();
};