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

/**** 
* Classes
****/ 
var Boat = Container.expand(function () {
	var self = Container.call(this);
	var boatGraphics = self.attachAsset('boat', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 2;
	self.isCasting = false;
	self.lineLength = 0;
	self.maxLineLength = 2400; // Increased to reach bottom of screen (screen height is 2732, boat is at y=300)
	self.lineSpeed = 10; // Increased from 6 to 10 for even faster fishing line movement
	self.isExploding = false;
	self.explodeScale = 1;
	self.velocityX = 0; // Current horizontal velocity for smooth movement
	self.maxVelocity = 30; // Maximum velocity
	self.friction = 0.92; // Friction applied to slow down movement
	self.targetX = null; // Target position to move toward
	self.swipeStartTime = 0; // Track when swipe started for velocity calculation
	var fishingLine = self.attachAsset('fishingLine', {
		anchorX: 0.5,
		anchorY: 0,
		x: 0,
		y: 50,
		visible: false,
		height: 0
	});
	var fishHook = self.attachAsset('fishHook', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: 50,
		visible: false
	});
	self.castLine = function () {
		if (!self.isCasting) {
			self.isCasting = true;
			fishingLine.visible = true;
			fishHook.visible = true;
			LK.getSound('cast').play();
		}
	};
	self.reelIn = function () {
		self.isCasting = false;
	};
	self.update = function () {
		if (self.isCasting && self.lineLength < self.maxLineLength) {
			self.lineLength += self.lineSpeed;
			fishingLine.height = self.lineLength;
			fishHook.y = 50 + self.lineLength;
		} else if (!self.isCasting && self.lineLength > 0) {
			self.lineLength -= self.lineSpeed * 2;
			fishingLine.height = self.lineLength;
			fishHook.y = 50 + self.lineLength;
		}
		if (self.lineLength <= 0 && !self.isCasting) {
			fishingLine.visible = false;
			fishHook.visible = false;
			self.lineLength = 0;
		}
		// Smooth boat movement physics
		if (self.targetX !== null) {
			// Calculate distance to target
			var distanceToTarget = self.targetX - self.x;
			// Apply force based on distance
			self.velocityX += distanceToTarget * 0.04;
			// Limit maximum velocity
			if (self.velocityX > self.maxVelocity) self.velocityX = self.maxVelocity;
			if (self.velocityX < -self.maxVelocity) self.velocityX = -self.maxVelocity;
			// If very close to target and moving slowly, just snap to position
			if (Math.abs(distanceToTarget) < 1 && Math.abs(self.velocityX) < 0.5) {
				self.x = self.targetX;
				self.velocityX = 0;
				self.targetX = null;
			}
		}
		// Apply velocity with friction
		if (Math.abs(self.velocityX) > 0.1) {
			self.x += self.velocityX;
			self.velocityX *= self.friction;
			// Keep boat within bounds
			if (self.x < 100) {
				self.x = 100;
				self.velocityX = 0;
			} else if (self.x > 2048 - 100) {
				self.x = 2048 - 100;
				self.velocityX = 0;
			}
		} else {
			self.velocityX = 0;
		}
	};
	self.getHookPosition = function () {
		return {
			x: self.x,
			y: self.y + 50 + self.lineLength
		};
	};
	self.lastHookPosition = self.getHookPosition();
	self.explode = function () {
		if (self.isExploding) return;
		self.isExploding = true;
		boatGraphics.tint = 0xFF3300; // Fire color
		function animateExplosion() {
			self.explodeScale += 0.2;
			boatGraphics.scale.set(self.explodeScale);
			boatGraphics.alpha -= 0.1;
			if (boatGraphics.alpha > 0) {
				LK.setTimeout(animateExplosion, 30);
			} else {
				// Boat destroyed completely
				self.visible = false;
				isGameOver = true;
				LK.showGameOver();
			}
		}
		animateExplosion();
	};
	self.down = function (x, y, obj) {
		self.swipeStartTime = Date.now(); // Track when swipe started
		self.castLine();
	};
	self.up = function (x, y, obj) {
		self.reelIn();
	};
	return self;
});
var Fish = Container.expand(function (type) {
	var self = Container.call(this);
	self.type = type || 'normal';
	var assetId, points;
	switch (self.type) {
		case 'rare':
			assetId = 'rareFish';
			points = 50;
			self.speed = 3; // Increased speed for rare fish
			break;
		case 'legendary':
			assetId = 'legendaryFish';
			points = 100;
			self.speed = 6; // Further increased speed for legendary fish
			break;
		default:
			assetId = 'fish';
			points = 10;
			self.speed = 2.5;
		// Increased speed for normal fish
	}
	self.points = points;
	var fishGraphics = self.attachAsset(assetId, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Randomly set the direction (left or right)
	self.direction = Math.random() > 0.5 ? 1 : -1;
	// If moving right, flip the fish
	if (self.direction > 0) {
		fishGraphics.scaleX = -1;
	}
	self.update = function () {
		// Only update position every other frame to reduce computational load
		if (LK.ticks % 2 === 0) {
			self.x += self.speed * self.direction;
			// If fish goes off screen, remove it
			if (self.direction > 0 && self.x > 2048 + fishGraphics.width || self.direction < 0 && self.x < -fishGraphics.width) {
				self.shouldRemove = true;
			}
			// If boat is casting and fish is far from hook, adjust its path toward visible area
			if (boat && boat.isCasting) {
				var hookPos = boat.getHookPosition();
				var verticalDistance = Math.abs(self.y - hookPos.y);
				// If fish is too far from hook vertically, move it toward the hook
				if (verticalDistance > 1000) {
					// Move fish toward hook's vertical position
					if (self.y > hookPos.y) {
						self.y -= 1;
					} else {
						self.y += 1;
					}
				}
			}
		}
	};
	return self;
});
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	// Sea mine asset (round shape with spikes)
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5,
		tint: 0x333333,
		// Dark gray color for sea mines
		scaleX: 0.7,
		// Smaller size to reduce impact
		scaleY: 0.7 // Smaller size to reduce impact
	});
	// Create spikes around the mine (using rotation) - reduced number of spikes
	for (var i = 0; i < 4; i++) {
		// Reduced from 8 to 4 spikes
		var spike = self.attachAsset('obstacle', {
			anchorX: 0.5,
			anchorY: 0,
			scaleX: 0.15,
			scaleY: 0.4,
			tint: 0x333333
		});
		spike.rotation = i * Math.PI / 2; // 4 spikes at 90 degree intervals
		spike.x = Math.cos(spike.rotation) * 15; // Reduced distance
		spike.y = Math.sin(spike.rotation) * 15; // Reduced distance
	}
	self.speed = 0.08; // Even more reduced obstacle speed
	// Add simplified pulsing animation effect
	self.pulsePhase = Math.random() * Math.PI * 2; // Random starting phase
	self.update = function () {
		// Pulsing animation for sea mine - update less frequently to save CPU
		if (LK.ticks % 3 === 0) {
			// Only update animation every 3 frames
			var pulseFactor = 0.08 * Math.sin(self.pulsePhase);
			obstacleGraphics.scaleX = 0.7 + pulseFactor;
			obstacleGraphics.scaleY = 0.7 + pulseFactor;
			self.pulsePhase += 0.03; // Slower animation
		}
		self.y -= self.speed;
		if (self.y < -obstacleGraphics.height) {
			self.shouldRemove = true;
		}
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// Game variables
var boat;
var fishes = [];
var obstacles = [];
var score = 0;
var isGameOver = false;
var waterLevel = 0; // Used for difficulty progression only
var fishSpawnRate = 0.02;
var obstacleSpawnRate = 0.01;
var backgroundSpeed = 1;
var highScore = storage.highScore || 0;
// Create water background
var water = LK.getAsset('water', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 0
});
game.addChild(water);
// Initialize boat
boat = new Boat();
boat.x = 2048 / 2;
boat.y = 300;
game.addChild(boat);
// Create score text
var scoreTxt = new Text2('Score: 0', {
	size: 70,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Create high score text
var highScoreTxt = new Text2('High Score: ' + highScore, {
	size: 50,
	fill: 0xFFD700
});
highScoreTxt.anchor.set(0.5, 0);
highScoreTxt.y = 150;
LK.gui.top.addChild(highScoreTxt);
// Depth indicator removed
// Handle touch/click events for the game area
var gameSwipeStartX = 0;
var gameSwipeStartY = 0;
var isSwipingInGame = false;
game.down = function (x, y, obj) {
	if (!isGameOver) {
		gameSwipeStartX = x;
		gameSwipeStartY = y;
		isSwipingInGame = true;
		boat.swipeStartTime = Date.now(); // Track when swipe started for velocity calculation
	}
};
game.up = function (x, y, obj) {
	if (!isGameOver) {
		// Calculate swipe distance
		var deltaX = x - gameSwipeStartX;
		var deltaY = y - gameSwipeStartY;
		var swipeDistance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
		var swipeTime = Date.now() - boat.swipeStartTime;
		if (swipeDistance < 20) {
			// It's a tap, not a swipe - toggle fishing line
			if (boat.isCasting) {
				boat.reelIn();
			} else {
				boat.castLine();
			}
		} else {
			// It was a swipe - apply momentum to the boat based on swipe speed
			var swipeVelocity = deltaX / swipeTime * 10;
			boat.velocityX += swipeVelocity;
			// Limit initial velocity
			if (boat.velocityX > boat.maxVelocity) boat.velocityX = boat.maxVelocity;
			if (boat.velocityX < -boat.maxVelocity) boat.velocityX = -boat.maxVelocity;
			// Calculate target position based on swipe length
			boat.targetX = boat.x + deltaX * 0.6;
			// Keep target within game bounds
			boat.targetX = Math.max(boat.targetX, 100);
			boat.targetX = Math.min(boat.targetX, 2048 - 100);
		}
		isSwipingInGame = false;
	}
};
// Handle touch move for navigating the boat with swipe
var swipeStartX = 0;
var swipeStartY = 0;
var isDraggingBoat = false;
game.move = function (x, y, obj) {
	if (isDraggingBoat) {
		// Calculate horizontal distance moved since last position
		var deltaX = x - swipeStartX;
		// Set target position directly for smooth following
		boat.targetX = boat.x + deltaX;
		// Add velocity based on motion speed
		var moveSpeed = deltaX;
		boat.velocityX = moveSpeed * 0.8;
		// Keep boat within game bounds
		boat.targetX = Math.max(boat.targetX, 100);
		boat.targetX = Math.min(boat.targetX, 2048 - 100);
		// Update swipe start position for next move
		swipeStartX = x;
	}
	// Handle swiping in general game area - adds another way to control the boat
	if (isSwipingInGame) {
		var dragDeltaX = x - gameSwipeStartX;
		// Only update if there's enough movement to be considered a swipe
		if (Math.abs(dragDeltaX) > 5) {
			boat.targetX = boat.x + dragDeltaX * 0.5;
			boat.targetX = Math.max(boat.targetX, 100);
			boat.targetX = Math.min(boat.targetX, 2048 - 100);
			// Update swipe start for next move
			gameSwipeStartX = x;
		}
	}
};
// Start tracking swipe
boat.down = function (x, y, obj) {
	isDraggingBoat = true;
	swipeStartX = x;
	swipeStartY = y;
	boat.swipeStartTime = Date.now(); // Track when swipe started for velocity calculation
};
// End swipe and cast fishing line
boat.up = function (x, y, obj) {
	isDraggingBoat = false;
	// Only cast line if it was a tap (not a long swipe)
	var deltaX = Math.abs(x - swipeStartX);
	var deltaY = Math.abs(y - swipeStartY);
	if (deltaX < 20 && deltaY < 20) {
		boat.castLine();
	}
};
// Function to spawn fish
function spawnFish() {
	// Limit the maximum number of fish to prevent lag
	if (fishes.length >= 10) return; // Don't create more than 10 fish at a time
	// Significantly reduced spawn chance
	if (Math.random() < fishSpawnRate * 0.3) {
		var fishType;
		var random = Math.random();
		if (random < 0.05) {
			fishType = 'legendary';
		} else if (random < 0.2) {
			fishType = 'rare';
		} else {
			fishType = 'normal';
		}
		var fish = new Fish(fishType);
		// Random position on left or right side
		if (fish.direction > 0) {
			fish.x = -fish.width / 2;
		} else {
			fish.x = 2048 + fish.width / 2;
		}
		// Random depth within screen bounds
		var minDepth = 400;
		var maxDepth = 2732 - 100;
		// If the boat is casting, ensure fish spawn near the hook
		if (boat.isCasting) {
			var hookPos = boat.getHookPosition();
			// Calculate a reasonable vertical area around the hook (ensuring fish are on screen)
			var maxDistance = 800; // Maximum distance from hook in pixels
			minDepth = Math.max(400, hookPos.y - maxDistance);
			maxDepth = Math.min(2732 - 100, hookPos.y + maxDistance);
		}
		fish.y = minDepth + Math.random() * (maxDepth - minDepth);
		fishes.push(fish);
		game.addChild(fish);
	}
}
// Function to spawn obstacles
function spawnObstacle() {
	// Limit the maximum number of obstacles to prevent lag
	if (obstacles.length >= 5) return; // Don't create more than 5 obstacles at a time
	if (Math.random() < obstacleSpawnRate) {
		var obstacle = new Obstacle();
		// Sea mines float at varying depths
		obstacle.x = 100 + Math.random() * (2048 - 200);
		obstacle.y = 2732 + obstacle.height;
		// Add simple floating movement to sea mines
		obstacle.floatDirection = Math.random() > 0.5 ? 1 : -1;
		obstacle.floatSpeed = 0.1 + Math.random() * 0.1; // Reduced speed variation
		obstacle.floatPhase = Math.random() * Math.PI * 2;
		obstacles.push(obstacle);
		game.addChild(obstacle);
	}
}
// Function to check if hook caught a fish
function checkFishCatch() {
	if (!boat.isCasting) return;
	var hookPos = boat.getHookPosition();
	for (var i = fishes.length - 1; i >= 0; i--) {
		var fish = fishes[i];
		var distance = Math.sqrt(Math.pow(hookPos.x - fish.x, 2) + Math.pow(hookPos.y - fish.y, 2));
		if (distance < 40) {
			// Hook caught a fish
			// Add points based on fish type
			score += fish.points;
			LK.setScore(score);
			scoreTxt.setText('Score: ' + score);
			// Update high score if needed
			if (score > highScore) {
				highScore = score;
				storage.highScore = highScore;
				highScoreTxt.setText('High Score: ' + highScore);
				// Flash high score text when broken
				LK.effects.flashObject(highScoreTxt, 0xFFD700, 1000);
			}
			// Play catch sound
			LK.getSound('catch').play();
			// Flash effect
			LK.effects.flashObject(fish, 0xFFFFFF, 500);
			// Remove the fish
			fish.destroy();
			fishes.splice(i, 1);
			// Reel in after catching
			boat.reelIn();
			break;
		}
	}
}
// Function to check boat collision with obstacles
function checkObstacleCollisions() {
	var _loop = function _loop() {
			obstacle = obstacles[i];
			if (boat.intersects(obstacle)) {
				var _animateExplosion = function animateExplosion() {
					explosionSize += 0.2;
					obstacle.scale.set(explosionSize);
					obstacle.alpha -= 0.1;
					if (obstacle.alpha > 0) {
						LK.setTimeout(_animateExplosion, 30);
					} else {
						// Remove the sea mine after explosion completes
						obstacle.destroy();
						obstacles.splice(i, 1);
					}
				};
				// Hit a sea mine - create explosion effect
				LK.effects.flashScreen(0xFF0000, 800);
				LK.getSound('splash').play();
				// Create explosion animation
				explosionSize = 1;
				obstacle.tint = 0xFF3300; // Explosion color
				_animateExplosion();
				// Make boat explode
				boat.explode();
				return 0; // break
			}
			// Also check if fishing line hits sea mine
			if (boat.isCasting) {
				hookPos = boat.getHookPosition();
				distance = Math.sqrt(Math.pow(hookPos.x - obstacle.x, 2) + Math.pow(hookPos.y - obstacle.y, 2));
				if (distance < 60) {
					// Hook hit a sea mine
					LK.effects.flashScreen(0xFF5500, 500);
					LK.getSound('splash').play();
					// Trigger mine explosion
					obstacle.tint = 0xFF3300;
					obstacle.scale.set(1.5);
					LK.setTimeout(function () {
						obstacle.destroy();
						obstacles.splice(i, 1);
					}, 300);
					// Reel in after hitting mine
					boat.reelIn();
					return 0; // break
				}
			}
		},
		obstacle,
		explosionSize,
		hookPos,
		distance,
		_ret;
	for (var i = obstacles.length - 1; i >= 0; i--) {
		_ret = _loop();
		if (_ret === 0) break;
	}
}
// Update game loop
game.update = function () {
	if (isGameOver || boat.isExploding) return;
	// Increase difficulty over time
	waterLevel += backgroundSpeed * 0.1;
	// Increase difficulty based on time
	fishSpawnRate = 0.005 + waterLevel / 20000; // Further reduced fish spawn rate
	obstacleSpawnRate = 0.0001 + waterLevel / 100000; // Extremely reduced sea mine spawn rate to prevent lag
	// Spawn game elements
	spawnFish();
	spawnObstacle();
	// Keep track of current hook position
	if (boat.isCasting) {
		boat.lastHookPosition = boat.getHookPosition();
	}
	// Update all game objects
	// Update fishes - only process a subset each frame if there are many
	var fishesToProcess = Math.min(fishes.length, 5); // Process max 5 fish per frame
	for (var i = fishes.length - 1; i >= Math.max(0, fishes.length - fishesToProcess); i--) {
		var fish = fishes[i];
		if (fish.shouldRemove) {
			fish.destroy();
			fishes.splice(i, 1);
		}
	}
	// Update obstacles (sea mines)
	for (var i = obstacles.length - 1; i >= 0; i--) {
		var obstacle = obstacles[i];
		// Add gentle floating motion to sea mines - less frequently
		if (obstacle.floatPhase !== undefined && LK.ticks % 4 === 0) {
			// Only update floating every 4 frames
			obstacle.floatPhase += 0.01; // Slower movement
			obstacle.x += Math.sin(obstacle.floatPhase) * obstacle.floatSpeed * obstacle.floatDirection * 0.5; // Reduced movement
		}
		if (obstacle.shouldRemove) {
			obstacle.destroy();
			obstacles.splice(i, 1);
		}
	}
	// Check for fish catch
	checkFishCatch();
	// Check for obstacle collisions
	checkObstacleCollisions();
	// No winning condition - allow unlimited play
	// Game continues indefinitely so players can achieve the highest score possible
};
// Play background music
LK.playMusic('backgroundNature', {
	fade: {
		start: 0,
		end: 0.3,
		duration: 1000
	}
});