/**** 
* Classes
****/
var BackgroundContainer = Container.expand(function () {
	var self = Container.call(this);
	return Container.call(this);
});
var Blocker = Container.expand(function () {
	var self = Container.call(this);
	var blockerGraphics = self.attachAsset('blocker', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 2;
	self.spawnOffset = 0;
	self.move = function () {
		self.speed *= 1.01; // Increase speed by 1% each frame
		self.y += self.speed;
	};
});
// Enemy fish class
var EnemyFish = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemyFish', {
		anchorX: 0.5,
		anchorY: 0.5,
		flipX: self.direction > 0 ? 0 : 1
	});
	self.speed = 3;
	self.direction = Math.random() > 0.5 ? 1 : -1;
	self.spawnOffset = self.direction > 0 ? -100 : 100;
	self.move = function () {
		self.speed *= 1.005; // Increase speed by 0.5% each frame
		self.x += self.speed * self.direction;
	};
});
// Food fish class
var FoodFish = Container.expand(function () {
	var self = Container.call(this);
	var foodGraphics = self.attachAsset('foodFish', {
		anchorX: 0.5,
		anchorY: 0.5,
		flipX: self.direction > 0 ? 0 : 1
	});
	self.speed = 2;
	self.direction = Math.random() > 0.5 ? 1 : -1;
	self.move = function () {
		self.x += self.speed * self.direction;
	};
});
var ForegroundContainer = Container.expand(function () {
	var self = Container.call(this);
	return self;
});
var MidgroundContainer = Container.expand(function () {
	var self = Container.call(this);
	return Container.call(this);
});
// Player fish class
var PlayerFish = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('playerFish', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.destination = null;
	self.readyForNewCommand = true; // Player is initially ready for a new command
	self.move = function () {
		if (self.destination) {
			var direction = {
				x: self.destination.x - self.x,
				y: self.destination.y - self.y
			};
			var magnitude = Math.sqrt(direction.x * direction.x + direction.y * direction.y);
			if (magnitude < self.speed) {
				self.x = self.destination.x;
				self.y = self.destination.y;
				self.destination = null; // Reached destination
				self.speed = 0; // Stop the player fish
			} else {
				direction.x /= magnitude;
				direction.y /= magnitude;
				self.x += direction.x * self.speed;
				self.y += direction.y * self.speed;
				self.speed *= 0.98; // Decelerate
			}
			// Allow new commands when the player fish comes to a full stop
			if (self.speed < 0.1) {
				self.readyForNewCommand = true;
			}
		}
		// Flip the fish asset based on the direction it's moving
		if (self.destination) {
			playerGraphics.flipX = self.x < self.destination.x ? 0 : 1;
		} else {
			playerGraphics.flipX = playerGraphics.flipX;
		}
	};
	self.grow = function () {
		self.scaleX *= 1.01;
		self.scaleY *= 1.01;
		playerGraphics.width *= 1.01;
		playerGraphics.height *= 1.01;
		self.speed -= 0.1;
	};
});
// TV class
var TV = Container.expand(function () {
	var self = Container.call(this);
	var tvGraphics = self.attachAsset('tv', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});

/**** 
* Initialize Game
****/
var game = new LK.Game();

/**** 
* Game Code
****/
// Spawn blockers with incoming warning
if (LK.getScore() % 5 === 0 && LK.getScore() > 0 && !blockersSpawned) {
	blockersSpawned = true;
	var incomingWarning = LK.getAsset('incoming', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: randomX,
		// Match the x position of the incoming blocker
		y: game.height / 10 // Move it higher, closer to the top of the screen
	});
	game.addChild(incomingWarning);
	LK.setTimeout(function () {
		incomingWarning.destroy();
	}, 2000);
	var newBlocker = new Blocker();
	var safeZone = newBlocker.width / 2 + 300; // Half width of the blocker plus minimum gap
	var randomX = Math.random() * (game.width - 2 * safeZone) + safeZone; // Calculate random X within safe zone
	newBlocker.x = randomX;
	newBlocker.y = -newBlocker.height;
	blockers.push(newBlocker);
	midgroundContainer.addChild(newBlocker);
}
var backgroundContainer = game.addChild(new BackgroundContainer());
var midgroundContainer = game.addChild(new MidgroundContainer());
var foregroundContainer = game.addChild(new ForegroundContainer());
var background = backgroundContainer.addChild(LK.getAsset('background', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 0,
	width: 2048,
	height: 2732
}));
// Initialize player, enemies, and food arrays
// Define assets for the player fish, enemy fish, and food fish
// Initialize score text
var scoreTxt = new Text2('0', {
	size: 150,
	fill: '#ffffff',
	stroke: '#000000',
	strokeThickness: 5
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Touch down event to set player's destination
game.on('down', function (obj) {
	var touchPosition = obj.event.getLocalPosition(game);
	if (player.readyForNewCommand) {
		player.destination = {
			x: touchPosition.x,
			y: touchPosition.y
		};
		player.speed = 40; // Reset speed
		player.readyForNewCommand = false; // Player is not ready for a new command until it reaches its destination
	}
});
var player;
var enemies = [];
var food = [];
var blockers = [];
var tv;
var blockersSpawned = false;
// Create the player fish
player = midgroundContainer.addChild(new PlayerFish());
player.x = game.width / 2;
player.y = game.height / 2;
// Game tick event
LK.on('tick', function () {
	// Move enemies and check for off-screen
	for (var i = enemies.length - 1; i >= 0; i--) {
		enemies[i].move();
		if (enemies[i].x < -enemies[i].width) {
			enemies[i].destroy();
			enemies.splice(i, 1);
		}
	}
	// Move food and check for off-screen
	for (var j = food.length - 1; j >= 0; j--) {
		food[j].move();
		if (food[j].x < -food[j].width) {
			food[j].destroy();
			food.splice(j, 1);
		}
	}
	// Check for player collision with enemies
	for (var k = 0; k < enemies.length; k++) {
		if (player.intersects(enemies[k])) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
			return;
		}
	}
	for (var n = 0; n < blockers.length; n++) {
		if (player.intersects(blockers[n])) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
			return;
		}
	}
	// Check for player collision with food and grow if the food is smaller
	for (var l = 0; l < food.length; l++) {
		if (player.intersects(food[l]) && player.width > food[l].width) {
			player.grow();
			food[l].destroy();
			food.splice(l, 1);
			// Increase score
			LK.setScore(LK.getScore() + 1);
			scoreTxt.setText(LK.getScore());
			// Spawn a new enemy for each score increment
			var newEnemy = new EnemyFish();
			newEnemy.x = (newEnemy.direction > 0 ? 0 : game.width) + newEnemy.spawnOffset;
			newEnemy.y = 200 + Math.random() * (game.height - 400);
			enemies.push(newEnemy);
			midgroundContainer.addChild(newEnemy);
		}
	}
	for (var m = blockers.length - 1; m >= 0; m--) {
		blockers[m].move();
		if (blockers[m].y > game.height) {
			blockers[m].destroy();
			blockers.splice(m, 1);
		}
	}
	// Move player
	player.move();
	// Spawn enemies and food
	if (LK.getScore() % 5 !== 0) {
		blockersSpawned = false;
	}
	if (LK.ticks % 60 === 0) {
		var newFood = new FoodFish();
		newFood.x = newFood.direction > 0 ? 0 : game.width;
		newFood.y = 200 + Math.random() * (game.height - 900);
		food.push(newFood);
		midgroundContainer.addChild(newFood);
	}
	if (LK.getScore() % 5 === 0 && LK.getScore() > 0 && !blockersSpawned) {
		blockersSpawned = true;
		// Calculate random X within safe zone first
		var safeZone = 300; // Minimum gap from the edge
		var randomX = Math.random() * (game.width - 2 * safeZone) + safeZone;
		var incomingWarning = LK.getAsset('incoming', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: randomX,
			// Match the x position of the incoming blocker
			y: game.height / 2
		});
		game.addChild(incomingWarning);
		LK.setTimeout(function () {
			incomingWarning.destroy();
		}, 2000);
		var newBlocker = new Blocker();
		newBlocker.x = randomX;
		newBlocker.y = -newBlocker.height;
		blockers.push(newBlocker);
		midgroundContainer.addChild(newBlocker);
	}
});