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

/**** 
* Classes
****/ 
var Fish = Container.expand(function (fishType, depth) {
	var self = Container.call(this);
	var fishGraphics = self.attachAsset(fishType, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.fishType = fishType;
	self.depth = depth;
	self.speed = 2;
	self.direction = Math.random() > 0.5 ? 1 : -1;
	self.value = fishType === 'smallFish' ? 10 : fishType === 'mediumFish' ? 25 : fishType === 'largeFish' ? 50 : 100;
	self.caught = false;
	self.isBigFish = fishType === 'bigFish';
	self.lastEatingTime = 0;
	// Set fish speed based on type
	if (fishType === 'smallFish') {
		self.speed = 3;
	} else if (fishType === 'mediumFish') {
		self.speed = 2;
	} else if (fishType === 'largeFish') {
		self.speed = 1.5;
	} else {
		self.speed = 1; // Big fish is slowest
	}
	self.update = function () {
		if (!self.caught) {
			self.x += self.speed * self.direction;
			// Reverse direction if fish goes off screen
			if (self.x < -100 || self.x > 2148) {
				self.direction *= -1;
			}
			// Big fish eating behavior
			if (self.isBigFish && LK.ticks - self.lastEatingTime > 60) {
				for (var i = fish.length - 1; i >= 0; i--) {
					var otherFish = fish[i];
					if (otherFish !== self && !otherFish.caught && !otherFish.isBigFish) {
						var distance = Math.sqrt(Math.pow(self.x - otherFish.x, 2) + Math.pow(self.y - otherFish.y, 2));
						if (distance < 80) {
							// Eat the fish
							otherFish.destroy();
							fish.splice(i, 1);
							self.lastEatingTime = LK.ticks;
							break;
						}
					}
				}
			}
		}
	};
	return self;
});
var FishingLine = Container.expand(function () {
	var self = Container.call(this);
	self.segments = [];
	self.hook = self.addChild(LK.getAsset('hook', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	self.maxLength = 1500;
	self.currentLength = 0;
	self.isDropping = false;
	self.isReeling = false;
	self.caughtFish = null;
	self.startDrop = function () {
		if (!self.isDropping && !self.isReeling) {
			self.isDropping = true;
			LK.getSound('splash').play();
		}
	};
	self.startReel = function () {
		if (self.isDropping && !self.isReeling) {
			self.isDropping = false;
			self.isReeling = true;
		}
	};
	self.update = function () {
		// Drop line
		if (self.isDropping && self.currentLength < self.maxLength) {
			self.currentLength += 8;
			self.hook.x = 0; // Keep hook centered on line
			self.hook.y = self.currentLength;
			// Add line segments
			if (self.currentLength % 20 === 0) {
				var segment = self.addChild(LK.getAsset('fishingLine', {
					anchorX: 0.5,
					anchorY: 0.5
				}));
				segment.x = 0; // Keep segments aligned with fishing line center
				segment.y = self.currentLength - 10;
				self.segments.push(segment);
			}
		}
		// Reel in line
		if (self.isReeling && self.currentLength > 0) {
			self.currentLength -= 6;
			self.hook.x = 0; // Keep hook centered on line
			self.hook.y = self.currentLength;
			// Remove line segments
			if (self.segments.length > 0 && self.currentLength % 20 === 0) {
				var segment = self.segments.pop();
				if (segment) {
					segment.destroy();
				}
			}
			// Move caught fish with hook
			if (self.caughtFish) {
				self.caughtFish.x = self.x + self.hook.x;
				self.caughtFish.y = self.y + self.hook.y;
			}
			// Check if fully reeled in
			if (self.currentLength <= 0) {
				self.isReeling = false;
				if (self.caughtFish) {
					// Score points
					LK.setScore(LK.getScore() + self.caughtFish.value);
					scoreTxt.setText(LK.getScore());
					// Remove caught fish
					self.caughtFish.destroy();
					for (var i = fish.length - 1; i >= 0; i--) {
						if (fish[i] === self.caughtFish) {
							fish.splice(i, 1);
							break;
						}
					}
					self.caughtFish = null;
					LK.getSound('catch').play();
				}
			}
		}
		// Check for fish collision
		if (!self.caughtFish && self.currentLength > 0) {
			for (var i = 0; i < fish.length; i++) {
				var currentFish = fish[i];
				if (!currentFish.caught && self.hook.intersects(currentFish)) {
					self.caughtFish = currentFish;
					currentFish.caught = true;
					self.startReel();
					break;
				}
			}
		}
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// Game variables
var fish = [];
var fishingLine;
var waterSurface = 500;
var fishSpawnTimer = 0;
// Create water
var water = game.addChild(LK.getAsset('water', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: waterSurface
}));
// Create fishing rod
var fishingRod = game.addChild(LK.getAsset('fishingRod', {
	anchorX: 0.5,
	anchorY: 1,
	x: 1024,
	y: waterSurface
}));
// Create fishing line
fishingLine = game.addChild(new FishingLine());
fishingLine.x = 1024; // Start at rod base, will be updated by move events
fishingLine.y = waterSurface + 10; // Position line below rod tip
// Create score display
var scoreTxt = new Text2('0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
scoreTxt.y = 50;
// Initialize score
scoreTxt.setText(LK.getScore());
// Spawn fish function
function spawnFish() {
	var fishTypes = ['smallFish', 'mediumFish', 'largeFish'];
	var depths = [200, 400, 600]; // Shallow, medium, deep
	var typeIndex = Math.floor(Math.random() * fishTypes.length);
	var fishType = fishTypes[typeIndex];
	var depth = depths[typeIndex] + Math.random() * 200;
	var newFish = new Fish(fishType, depth);
	newFish.x = Math.random() > 0.5 ? -50 : 2098;
	newFish.y = waterSurface + depth;
	fish.push(newFish);
	game.addChild(newFish);
}
// Touch controls
game.down = function (x, y, obj) {
	fishingLine.startDrop();
};
game.up = function (x, y, obj) {
	if (fishingLine.isDropping) {
		fishingLine.startReel();
	}
};
game.move = function (x, y, obj) {
	// Calculate angle from rod base to touch position
	var rodBaseX = 1024; // Keep rod base at center
	var rodBaseY = waterSurface;
	var deltaX = x - rodBaseX;
	var deltaY = y - rodBaseY;
	var angle = Math.atan2(deltaY, deltaX) - Math.PI / 2; // Subtract PI/2 to correct for rod anchor point
	// Limit rod rotation to reasonable angles (about 60 degrees each side)
	var maxAngle = Math.PI / 3; // 60 degrees
	angle = Math.max(-maxAngle, Math.min(maxAngle, angle));
	// Rotate the fishing rod
	fishingRod.rotation = angle;
	// Calculate tip position based on rod rotation and anchor point
	// Since rod anchor is at bottom center (0.5, 1), we calculate from the base
	var rodLength = 200; // Rod height
	var tipX = rodBaseX + Math.sin(angle) * rodLength;
	var tipY = rodBaseY - Math.cos(angle) * rodLength; // Negative because we go up from base
	// Move fishing line to below the rod tip position
	fishingLine.x = tipX;
	fishingLine.y = tipY + 10; // Position line slightly below rod tip
	// Update all line segments to maintain relative position to fishing line
	for (var i = 0; i < fishingLine.segments.length; i++) {
		fishingLine.segments[i].x = 0; // Keep segments centered relative to fishing line
	}
	// Hook position is maintained relative to fishing line automatically
	// No need to reset hook position here as it moves with the fishing line
	// Move caught fish with the hook if there is one
	if (fishingLine.caughtFish) {
		fishingLine.caughtFish.x = fishingLine.x + fishingLine.hook.x;
		fishingLine.caughtFish.y = fishingLine.y + fishingLine.hook.y;
	}
};
// Game variables for random spawning
var nextFishSpawnTime = 180 + Math.random() * 240; // Random interval between 3-7 seconds
// Main game loop
game.update = function () {
	// Spawn fish randomly
	fishSpawnTimer++;
	if (fishSpawnTimer >= nextFishSpawnTime) {
		spawnFish();
		fishSpawnTimer = 0;
		// Set next random spawn time (3-7 seconds)
		nextFishSpawnTime = 180 + Math.random() * 240;
	}
	// Clean up fish that are off screen
	for (var i = fish.length - 1; i >= 0; i--) {
		var currentFish = fish[i];
		if (currentFish.x < -200 || currentFish.x > 2248) {
			currentFish.destroy();
			fish.splice(i, 1);
		}
	}
	// Spawn big fish after 500 points with random intervals
	var currentScore = LK.getScore();
	if (currentScore >= 500 && Math.random() < 0.001) {
		// 0.1% chance per frame (10 times less frequent)
		var bigFish = new Fish('bigFish', 300 + Math.random() * 400);
		bigFish.x = Math.random() > 0.5 ? -100 : 2148;
		bigFish.y = waterSurface + bigFish.depth;
		fish.push(bigFish);
		game.addChild(bigFish);
	}
};