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

/**** 
* Classes
****/ 
var FeedbackIndicator = Container.expand(function (type) {
	var self = Container.call(this);
	var indicator = self.attachAsset(type + 'Indicator', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	});
	self.show = function () {
		indicator.alpha = 1;
		indicator.scaleX = 0.5;
		indicator.scaleY = 0.5;
		tween(indicator, {
			scaleX: 1.5,
			scaleY: 1.5,
			alpha: 0
		}, {
			duration: 600,
			easing: tween.easeOut
		});
	};
	return self;
});
/**** 
* Title Screen
****/ 
var Fish = Container.expand(function (type, value, speed, lane, isHoldFish) {
	var self = Container.call(this);
	var assetName = type + 'Fish';
	var fishGraphics = self.attachAsset(assetName, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.type = type;
	self.value = value;
	self.speed = speed;
	self.lane = lane; // Index of the lane (0, 1, or 2)
	self.isHoldFish = isHoldFish || false;
	self.caught = false;
	self.isSpecial = type === 'rare'; // For shimmer effect
	self.shimmerTime = 0;
	self.isHeld = false; // True if player is currently pressing down on this fish
	// Hold fish specific properties
	if (self.isHoldFish) {
		fishGraphics.tint = 0xFFD700; // Golden tint for hold fish
		self.holdStarted = false; // True if current hold duration meets requiredHoldTime
		self.requiredHoldTime = 800; // 800ms hold required to "prime" the catch for a hold fish
	}
	self.update = function () {
		if (self.isHeld) {
			// If being actively held by player input
			if (self.isHoldFish) {
				// Only hold fish show metered feedback via tint
				if (self.holdStarted) {
					// Primed (duration met)
					fishGraphics.tint = 0x00FF00; // Green tint for "primed" state
				} else {
					// Holding, but not yet primed
					fishGraphics.tint = 0xFFD700; // Original hold fish golden tint
				}
			}
			// Fish does not move while held
			return;
		} else {
			// Not being held by player input (e.g., released or never held)
			if (self.isHoldFish) {
				fishGraphics.tint = 0xFFD700; // Revert to default golden tint for hold fish
			}
			// For non-hold fish, tint is not managed here.
			// If fish was holdStarted and then isHeld becomes false, tint reverts here.
		}
		if (!self.caught) {
			self.x += self.speed;
			if (self.isSpecial) {
				// Shimmer effect for rare fish
				self.shimmerTime += 0.1;
				fishGraphics.alpha = 0.8 + Math.sin(self.shimmerTime) * 0.2;
			} else if (!self.isHoldFish) {
				// Reset alpha if not special and not a hold fish (hold fish manage their appearance)
				fishGraphics.alpha = 1.0;
			}
			// Ensure hold fish alpha is managed if needed, e.g. if they can also be special
			// For now, hold fish alpha is implicitly 1.0 unless also special.
		}
	};
	self.catchFish = function () {
		self.caught = true;
		// Animation to boat
		tween(self, {
			y: GAME_CONFIG.BOAT_Y,
			// Target Y: boat position
			x: GAME_CONFIG.SCREEN_CENTER_X,
			//{r} // Target X: center of screen (boat position)
			scaleX: 0.5,
			scaleY: 0.5,
			alpha: 0
		}, {
			duration: 600,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				self.destroy();
			}
		});
	};
	return self;
});

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

/**** 
* Game Code
****/ 
/**** 
* Pattern Generation System
****/ 
// If game.up already exists, integrate the 'fishing' case. Otherwise, this defines game.up.
var PatternGenerator = {
	lastLane: -1,
	minDistanceBetweenFish: 300,
	// Used by spawnFish internal check
	// Minimum X distance between fish for visual clarity on hook
	lastActualSpawnTime: -100000,
	// Time of the last actual fish spawn
	lastSpawnWasHold: false,
	// Was the last spawned fish a hold fish?
	getNextLane: function getNextLane() {
		if (this.lastLane === -1) {
			// First fish, start in middle lane
			this.lastLane = 1;
			return 1;
		}
		// Prefer staying in same lane or moving to adjacent lane
		var possibleLanes = [this.lastLane];
		// Add adjacent lanes
		if (this.lastLane > 0) possibleLanes.push(this.lastLane - 1);
		if (this.lastLane < 2) possibleLanes.push(this.lastLane + 1);
		// 70% chance to stay in same/adjacent lane
		if (Math.random() < 0.7) {
			this.lastLane = possibleLanes[Math.floor(Math.random() * possibleLanes.length)];
		} else {
			// 30% chance for any lane
			this.lastLane = Math.floor(Math.random() * 3);
		}
		return this.lastLane;
	},
	// New method: Checks if enough time has passed since the last spawn,
	// considering if it was a hold fish.
	canSpawnFishOnBeat: function canSpawnFishOnBeat(currentTime, configuredSpawnInterval) {
		var timeSinceLast = currentTime - this.lastActualSpawnTime;
		var minRequiredGap = configuredSpawnInterval; // Default gap is the song's beat interval for fish
		if (this.lastSpawnWasHold) {
			// If the last fish was a hold fish, ensure its hold time + buffer has passed.
			// Fish.requiredHoldTime is 800ms. Reduced buffer to 250ms.
			// 250ms = 100ms (hook travel) + 100ms (player reaction) + 50ms (padding)
			minRequiredGap = Math.max(minRequiredGap, 800 + 250);
		}
		return timeSinceLast >= minRequiredGap;
	},
	// New method: Registers details of the fish that was just spawned.
	registerFishSpawn: function registerFishSpawn(spawnTime, wasHoldFish) {
		this.lastActualSpawnTime = spawnTime;
		this.lastSpawnWasHold = wasHoldFish;
	},
	reset: function reset() {
		this.lastLane = -1;
		this.lastActualSpawnTime = -100000; // Set far in the past to allow first spawn
		this.lastSpawnWasHold = false;
	}
};
/**** 
* Game Configuration
****/ 
game.up = function (x, y, obj) {
	// Note: We don't play buttonClick sound on 'up' typically, only on 'down'.
	switch (GameState.currentScreen) {
		case 'title':
			// title screen up actions (if any)
			break;
		case 'levelSelect':
			// level select screen up actions (if any, usually 'down' is enough for buttons)
			break;
		case 'fishing':
			handleFishingInput(x, y, false); // false for isUp
			break;
		case 'results':
			// results screen up actions (if any)
			break;
	}
};
var GAME_CONFIG = {
	SCREEN_CENTER_X: 1024,
	SCREEN_CENTER_Y: 900,
	// Adjusted, though less critical with lanes
	BOAT_Y: 710,
	// Original 300 + 273 (10%) + 137 (5%) = 710
	WATER_SURFACE_Y: 760,
	// Original 350 + 273 (10%) + 137 (5%) = 760
	// 3 Lane System
	// Y-positions for each lane, adjusted downwards further
	LANES: [{
		y: 1133,
		// Top lane Y: (723 + 273) + 137 = 996 + 137 = 1133
		name: "shallow"
	}, {
		y: 1776,
		// Middle lane Y: (996 + 643) + 137 = 1639 + 137 = 1776
		name: "medium"
	}, {
		y: 2419,
		// Bottom lane Y: (1639 + 643) + 137 = 2282 + 137 = 2419
		name: "deep"
	}],
	// Timing windows
	PERFECT_WINDOW: 40,
	GOOD_WINDOW: 80,
	MISS_WINDOW: 120,
	// Depth levels - much lower money values! (Upgrade costs and song costs might need re-balancing with new mechanics)
	DEPTHS: [{
		level: 1,
		name: "Shallow Waters",
		fishSpeed: 6,
		fishValue: 1,
		upgradeCost: 0,
		// Starting depth
		songs: [{
			name: "Gentle Waves",
			bpm: 100,
			duration: 60000,
			pattern: "simple",
			cost: 0
		}, {
			name: "Morning Tide",
			bpm: 110,
			duration: 75000,
			pattern: "simple",
			cost: 50
		}]
	}, {
		level: 2,
		name: "Mid Waters",
		fishSpeed: 7,
		fishValue: 3,
		upgradeCost: 100,
		songs: [{
			name: "Ocean Current",
			bpm: 120,
			duration: 90000,
			pattern: "medium",
			cost: 0
		}, {
			name: "Deep Flow",
			bpm: 125,
			duration: 100000,
			pattern: "medium",
			cost: 150
		}]
	}, {
		level: 3,
		name: "Deep Waters",
		fishSpeed: 8,
		fishValue: 6,
		upgradeCost: 400,
		songs: [{
			name: "Storm Surge",
			bpm: 140,
			duration: 120000,
			pattern: "complex",
			cost: 0
		}, {
			name: "Whirlpool",
			bpm: 150,
			duration: 135000,
			pattern: "complex",
			cost: 300
		}]
	}, {
		level: 4,
		name: "Abyss",
		fishSpeed: 9,
		fishValue: 12,
		upgradeCost: 1000,
		songs: [{
			name: "Leviathan",
			bpm: 160,
			duration: 150000,
			pattern: "expert",
			cost: 0
		}, {
			name: "Deep Trench",
			bpm: 170,
			duration: 180000,
			pattern: "expert",
			cost: 600
		}]
	}],
	// Updated patterns with hold fish - reduced frequency for playability
	PATTERNS: {
		simple: {
			beatsPerFish: 2,
			// Increased from 1 - fish every 2 beats
			doubleSpawnChance: 0,
			// No double spawns in simple
			rareSpawnChance: 0.02,
			holdFishChance: 0.05 // Reduced from 0.1
		},
		medium: {
			beatsPerFish: 1.5,
			// Increased from 0.75
			doubleSpawnChance: 0,
			// No double spawns
			rareSpawnChance: 0.05,
			holdFishChance: 0.1 // Reduced from 0.2
		},
		complex: {
			beatsPerFish: 1,
			// Increased from 0.5
			doubleSpawnChance: 0,
			// No double spawns
			rareSpawnChance: 0.08,
			holdFishChance: 0.15 // Reduced from 0.3
		},
		expert: {
			beatsPerFish: 0.75,
			// Increased from 0.25
			doubleSpawnChance: 0,
			// No double spawns
			rareSpawnChance: 0.12,
			holdFishChance: 0.2 // Reduced from 0.4
		}
	}
};
/**** 
* Game State Management
****/ 
var GameState = {
	// Game flow
	currentScreen: 'title',
	// 'title', 'levelSelect', 'fishing', 'results'
	// Player progression
	currentDepth: 0,
	money: 0,
	totalFishCaught: 0,
	ownedSongs: [],
	// Array of {depth, songIndex} objects
	// Level selection
	selectedDepth: 0,
	selectedSong: 0,
	// Current session
	sessionScore: 0,
	sessionFishCaught: 0,
	sessionFishSpawned: 0,
	combo: 0,
	maxCombo: 0,
	// Game state
	gameActive: false,
	songStartTime: 0,
	lastBeatTime: 0,
	beatCount: 0,
	hookTargetLaneIndex: 1,
	// Start with hook targeting the middle lane (index 1)
	// Initialize owned songs (first song of each unlocked depth is free)
	initOwnedSongs: function initOwnedSongs() {
		this.ownedSongs = [];
		for (var i = 0; i <= this.currentDepth; i++) {
			this.ownedSongs.push({
				depth: i,
				songIndex: 0
			});
		}
	},
	hasSong: function hasSong(depth, songIndex) {
		return this.ownedSongs.some(function (song) {
			return song.depth === depth && song.songIndex === songIndex;
		});
	},
	buySong: function buySong(depth, songIndex) {
		var song = GAME_CONFIG.DEPTHS[depth].songs[songIndex];
		if (this.money >= song.cost && !this.hasSong(depth, songIndex)) {
			this.money -= song.cost;
			this.ownedSongs.push({
				depth: depth,
				songIndex: songIndex
			});
			return true;
		}
		return false;
	},
	getCurrentDepthConfig: function getCurrentDepthConfig() {
		return GAME_CONFIG.DEPTHS[this.selectedDepth];
	},
	getCurrentSongConfig: function getCurrentSongConfig() {
		return GAME_CONFIG.DEPTHS[this.selectedDepth].songs[this.selectedSong];
	},
	canUpgrade: function canUpgrade() {
		var nextDepth = GAME_CONFIG.DEPTHS[this.currentDepth + 1];
		return nextDepth && this.money >= nextDepth.upgradeCost;
	},
	upgrade: function upgrade() {
		if (this.canUpgrade()) {
			var nextDepth = GAME_CONFIG.DEPTHS[this.currentDepth + 1];
			this.money -= nextDepth.upgradeCost;
			this.currentDepth++;
			// Give free first song of new depth
			this.ownedSongs.push({
				depth: this.currentDepth,
				songIndex: 0
			});
			return true;
		}
		return false;
	}
};
var titleScreen = game.addChild(new Container());
var levelSelectScreen = game.addChild(new Container());
var fishingScreen = game.addChild(new Container());
var resultsScreen = game.addChild(new Container());
// Initialize
GameState.initOwnedSongs();
/**** 
* Title Screen
****/ 
function createTitleScreen() {
	var titleBg = titleScreen.addChild(LK.getAsset('screenBackground', {
		x: 0,
		y: 0,
		alpha: 0.3
	}));
	// Logo
	var logo = new Text2('BEAT FISHER', {
		size: 150,
		fill: 0xFFFFFF
	});
	logo.anchor.set(0.5, 0.5);
	logo.x = GAME_CONFIG.SCREEN_CENTER_X;
	logo.y = 600;
	titleScreen.addChild(logo);
	var subtitle = new Text2('Rhythm Fishing Adventure', {
		size: 60,
		fill: 0x4FC3F7
	});
	subtitle.anchor.set(0.5, 0.5);
	subtitle.x = GAME_CONFIG.SCREEN_CENTER_X;
	subtitle.y = 700;
	titleScreen.addChild(subtitle);
	// Start button
	var startButton = titleScreen.addChild(LK.getAsset('bigButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: GAME_CONFIG.SCREEN_CENTER_X,
		y: 1000
	}));
	var startText = new Text2('START', {
		size: 50,
		fill: 0xFFFFFF
	});
	startText.anchor.set(0.5, 0.5);
	startText.x = GAME_CONFIG.SCREEN_CENTER_X;
	startText.y = 1000;
	titleScreen.addChild(startText);
	// Tutorial button
	var tutorialButton = titleScreen.addChild(LK.getAsset('button', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: GAME_CONFIG.SCREEN_CENTER_X,
		y: 1150,
		tint: 0x757575
	}));
	var tutorialText = new Text2('TUTORIAL', {
		size: 40,
		fill: 0xFFFFFF
	});
	tutorialText.anchor.set(0.5, 0.5);
	tutorialText.x = GAME_CONFIG.SCREEN_CENTER_X;
	tutorialText.y = 1150;
	titleScreen.addChild(tutorialText);
	return {
		startButton: startButton,
		tutorialButton: tutorialButton
	};
}
/**** 
* Level Select Screen
****/ 
function createLevelSelectScreen() {
	var selectBg = levelSelectScreen.addChild(LK.getAsset('screenBackground', {
		x: 0,
		y: 0,
		alpha: 0.8
	}));
	// Title
	var title = new Text2('SELECT FISHING SPOT', {
		size: 80,
		fill: 0xFFFFFF
	});
	title.anchor.set(0.5, 0.5);
	title.x = GAME_CONFIG.SCREEN_CENTER_X;
	title.y = 200;
	levelSelectScreen.addChild(title);
	// Money display
	var moneyDisplay = new Text2('Money: $0', {
		size: 60,
		fill: 0xFFD700
	});
	moneyDisplay.anchor.set(1, 0);
	moneyDisplay.x = 1900;
	moneyDisplay.y = 100;
	levelSelectScreen.addChild(moneyDisplay);
	// Depth tabs (will be created dynamically)
	var depthTabs = [];
	// Song display area
	var songCard = levelSelectScreen.addChild(LK.getAsset('songCard', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: GAME_CONFIG.SCREEN_CENTER_X,
		y: 700
	}));
	// Song navigation arrows
	var leftArrow = levelSelectScreen.addChild(LK.getAsset('button', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 400,
		y: 700,
		tint: 0x666666
	}));
	var leftArrowText = new Text2('<', {
		size: 60,
		fill: 0xFFFFFF
	});
	leftArrowText.anchor.set(0.5, 0.5);
	leftArrowText.x = 400;
	leftArrowText.y = 700;
	levelSelectScreen.addChild(leftArrowText);
	var rightArrow = levelSelectScreen.addChild(LK.getAsset('button', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1648,
		y: 700,
		tint: 0x666666
	}));
	var rightArrowText = new Text2('>', {
		size: 60,
		fill: 0xFFFFFF
	});
	rightArrowText.anchor.set(0.5, 0.5);
	rightArrowText.x = 1648;
	rightArrowText.y = 700;
	levelSelectScreen.addChild(rightArrowText);
	// Song info (will be updated dynamically)
	var songTitle = new Text2('Song Title', {
		size: 50,
		fill: 0xFFFFFF
	});
	songTitle.anchor.set(0.5, 0.5);
	songTitle.x = GAME_CONFIG.SCREEN_CENTER_X;
	songTitle.y = 650;
	levelSelectScreen.addChild(songTitle);
	var songInfo = new Text2('BPM: 120 | Duration: 2:00', {
		size: 30,
		fill: 0xCCCCCC
	});
	songInfo.anchor.set(0.5, 0.5);
	songInfo.x = GAME_CONFIG.SCREEN_CENTER_X;
	songInfo.y = 700;
	levelSelectScreen.addChild(songInfo);
	var songEarnings = new Text2('Potential Earnings: $50-100', {
		size: 30,
		fill: 0x4CAF50
	});
	songEarnings.anchor.set(0.5, 0.5);
	songEarnings.x = GAME_CONFIG.SCREEN_CENTER_X;
	songEarnings.y = 730;
	levelSelectScreen.addChild(songEarnings);
	// Play/Buy button
	var playButton = levelSelectScreen.addChild(LK.getAsset('bigButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: GAME_CONFIG.SCREEN_CENTER_X,
		y: 900
	}));
	var playButtonText = new Text2('PLAY', {
		size: 50,
		fill: 0xFFFFFF
	});
	playButtonText.anchor.set(0.5, 0.5);
	playButtonText.x = GAME_CONFIG.SCREEN_CENTER_X;
	playButtonText.y = 900;
	levelSelectScreen.addChild(playButtonText);
	// Shop button
	var shopButton = levelSelectScreen.addChild(LK.getAsset('button', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: GAME_CONFIG.SCREEN_CENTER_X,
		y: 1100,
		tint: 0x2e7d32
	}));
	var shopButtonText = new Text2('UPGRADE ROD', {
		size: 40,
		fill: 0xFFFFFF
	});
	shopButtonText.anchor.set(0.5, 0.5);
	shopButtonText.x = GAME_CONFIG.SCREEN_CENTER_X;
	shopButtonText.y = 1100;
	levelSelectScreen.addChild(shopButtonText);
	// Back button
	var backButton = levelSelectScreen.addChild(LK.getAsset('button', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 200,
		y: 200,
		tint: 0x757575
	}));
	var backButtonText = new Text2('BACK', {
		size: 40,
		fill: 0xFFFFFF
	});
	backButtonText.anchor.set(0.5, 0.5);
	backButtonText.x = 200;
	backButtonText.y = 200;
	levelSelectScreen.addChild(backButtonText);
	return {
		moneyDisplay: moneyDisplay,
		depthTabs: depthTabs,
		leftArrow: leftArrow,
		rightArrow: rightArrow,
		songTitle: songTitle,
		songInfo: songInfo,
		songEarnings: songEarnings,
		playButton: playButton,
		playButtonText: playButtonText,
		shopButton: shopButton,
		shopButtonText: shopButtonText,
		backButton: backButton
	};
}
/**** 
* Fishing Screen
****/ 
function createFishingScreen() {
	// Water background
	var water = fishingScreen.addChild(LK.getAsset('water', {
		x: 0,
		y: GAME_CONFIG.WATER_SURFACE_Y,
		//{3l} // Adjusted to new config if different
		width: 2048,
		// Ensure it covers screen width
		height: 2732 - GAME_CONFIG.WATER_SURFACE_Y,
		// Ensure it covers below surface
		alpha: 0.7
	}));
	// Water surface
	var waterSurface = fishingScreen.addChild(LK.getAsset('waterSurface', {
		x: 0,
		y: GAME_CONFIG.WATER_SURFACE_Y,
		width: 2048,
		alpha: 0.8
	}));
	// Boat
	var boat = fishingScreen.addChild(LK.getAsset('boat', {
		anchorX: 0.5,
		anchorY: 1,
		// Anchor at bottom-middle of boat asset
		x: GAME_CONFIG.SCREEN_CENTER_X,
		y: GAME_CONFIG.WATER_SURFACE_Y // Boat sits on water surface
	}));
	// Single, centered hook and line
	var initialHookY = GAME_CONFIG.LANES[1].y; // Start hook in the middle lane
	// Fishing line
	var line = fishingScreen.addChild(LK.getAsset('fishingLine', {
		anchorX: 0.5,
		anchorY: 0,
		x: GAME_CONFIG.SCREEN_CENTER_X,
		y: GAME_CONFIG.WATER_SURFACE_Y,
		height: initialHookY - GAME_CONFIG.WATER_SURFACE_Y
	}));
	// Hook
	var hook = fishingScreen.addChild(LK.getAsset('hook', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: GAME_CONFIG.SCREEN_CENTER_X,
		y: initialHookY
	}));
	hook.originalY = initialHookY; // Store original Y for animation and reference
	// Lane labels are removed as the hook is dynamic.
	// UI elements
	var scoreText = new Text2('Score: 0', {
		size: 50,
		fill: 0xFFFFFF
	});
	scoreText.anchor.set(0, 0);
	scoreText.x = 50;
	scoreText.y = 50;
	fishingScreen.addChild(scoreText);
	var fishText = new Text2('Fish: 0/0', {
		size: 40,
		fill: 0xFFFFFF
	});
	fishText.anchor.set(0, 0);
	fishText.x = 50;
	fishText.y = 120;
	fishingScreen.addChild(fishText);
	var comboText = new Text2('Combo: 0', {
		size: 40,
		fill: 0xFF9800
	});
	comboText.anchor.set(0, 0);
	comboText.x = 50;
	comboText.y = 180; // Corrected typo from y: 180
	fishingScreen.addChild(comboText);
	// Song progress - Re-added as it's used by updateFishingUI
	var progressText = new Text2('0:00 / 0:00', {
		size: 40,
		fill: 0x4FC3F7
	});
	progressText.anchor.set(1, 0); // Anchor top-right
	progressText.x = 2048 - 50; // Position on the top-right side
	progressText.y = 50;
	fishingScreen.addChild(progressText);
	// Hold instruction Text
	var holdText = new Text2('TAP: Normal Fish  |  HOLD: Golden Fish', {
		size: 35,
		fill: 0xFFD700,
		// Golden color for emphasis
		alpha: 0.8
	});
	holdText.anchor.set(0.5, 0); // Anchor top-center
	holdText.x = GAME_CONFIG.SCREEN_CENTER_X;
	holdText.y = GAME_CONFIG.LANES[GAME_CONFIG.LANES.length - 1].y + 100; // Below the last lane (now matches new vertical spread)
	fishingScreen.addChild(holdText);
	return {
		boat: boat,
		hook: hook,
		// Single hook
		line: line,
		// Single line
		scoreText: scoreText,
		fishText: fishText,
		comboText: comboText,
		progressText: progressText
	};
}
/**** 
* Initialize Screen Elements
****/ 
var titleElements = createTitleScreen();
var levelSelectElements = createLevelSelectScreen();
var fishingElements = createFishingScreen();
// Feedback indicators are now created on-demand by the showFeedback function.
// The global feedbackIndicators object is no longer needed.
// Game variables
var fishArray = [];
/**** 
* Input State and Helpers for Fishing
****/ 
var inputState = {
	touching: false,
	// Is the screen currently being touched?
	touchLane: -1,
	// Which lane was the touch initiated in? (0, 1, 2)
	touchStartTime: 0,
	// Timestamp of when the touch started (LK.ticks based)
	holdFish: null // Reference to a fish if a hold action is being performed on it
};
// Helper function to determine which lane a Y coordinate falls into
function getTouchLane(y) {
	// Define boundaries based on the midpoints between lane Y coordinates
	// These are calculated from GAME_CONFIG.LANES[i].y values
	// Lane 0: y = 723
	// Lane 1: y = 1366
	// Lane 2: y = 2009
	var boundary_lane0_lane1 = (GAME_CONFIG.LANES[0].y + GAME_CONFIG.LANES[1].y) / 2; // Approx 1044.5
	var boundary_lane1_lane2 = (GAME_CONFIG.LANES[1].y + GAME_CONFIG.LANES[2].y) / 2; // Approx 1687.5
	if (y < boundary_lane0_lane1) {
		return 0; // Top lane (e.g., shallow)
	} else if (y < boundary_lane1_lane2) {
		return 1; // Middle lane (e.g., medium)
	} else {
		return 2; // Bottom lane (e.g., deep)
	}
}
// Shows feedback (perfect, good, miss) at the specified lane
// Shows feedback (perfect, good, miss) at the specified lane
function showFeedback(type, laneIndex) {
	var feedbackY = GAME_CONFIG.LANES[laneIndex].y;
	var indicator = new FeedbackIndicator(type); // Creates a new indicator e.g. FeedbackIndicator('perfect')
	// Position feedback at the single hook's X coordinate and the fish's lane Y
	indicator.x = fishingElements.hook.x; // Use the single hook's X
	indicator.y = feedbackY; // Feedback appears at the fish's lane Y
	fishingScreen.addChild(indicator);
	indicator.show(); // Triggers the animation and self-destruction
}
// Animates the hook in a specific lane after a catch attempt
// Animates the single hook after a catch attempt
function animateHookCatch() {
	var hook = fishingElements.hook;
	// We need a stable originalY. The hook.originalY might change if we re-assign it during tweens.
	// Let's use the target Y of the current fish lane for the "resting" position after animation.
	var restingY = GAME_CONFIG.LANES[GameState.hookTargetLaneIndex].y;
	// Quick bobbing animation for the single hook
	tween(hook, {
		y: restingY - 30
	}, {
		duration: 150,
		easing: tween.easeOut,
		onFinish: function onFinish() {
			tween(hook, {
				y: restingY
			}, {
				duration: 150,
				easing: tween.easeIn,
				onFinish: function onFinish() {
					// Ensure originalY reflects the current target lane after animation.
					hook.originalY = restingY;
				}
			});
		}
	});
}
// Handles input specifically for the fishing screen (down and up events)
function handleFishingInput(x, y, isDown) {
	if (!GameState.gameActive) return;
	var currentTime = LK.ticks * (1000 / 60); // Current time in ms
	if (isDown) {
		// Touch started
		inputState.touching = true;
		inputState.touchLane = getTouchLane(y);
		inputState.touchStartTime = currentTime;
		inputState.holdFish = null; // Reset any previous hold target
		var hookX = fishingElements.hook.x;
		for (var i = 0; i < fishArray.length; i++) {
			var fish = fishArray[i];
			if (fish.lane === inputState.touchLane && fish.isHoldFish && !fish.caught && !fish.isHeld) {
				var distanceToHook = Math.abs(fish.x - hookX);
				if (distanceToHook < GAME_CONFIG.MISS_WINDOW + 20) {
					// Proximity check
					inputState.holdFish = fish;
					fish.isHeld = true; // Fish stops moving via its update()
					fish.holdStarted = false; // Reset primed state, game.update will set it
					break;
				}
			}
		}
		// If not a hold fish, or no hold fish in range, inputState.holdFish remains null.
		// A normal tap action will be processed on 'up' if inputState.holdFish is null.
	} else {
		// Touch ended (isUp)
		if (inputState.touching) {
			var holdDuration = currentTime - inputState.touchStartTime;
			if (inputState.holdFish) {
				// A hold was active on a specific fish
				var fishBeingHeld = inputState.holdFish;
				fishBeingHeld.isHeld = false; // Allow fish to move again if not caught
				// checkCatch will determine if hold was successful (duration, proximity)
				checkCatch(fishBeingHeld.lane, true, holdDuration, fishBeingHeld);
			} else {
				// This was a normal tap (inputState.holdFish is null)
				// Or a tap that didn't successfully initiate a hold on a hold fish
				checkCatch(inputState.touchLane, false, holdDuration, null);
			}
		}
		inputState.touching = false;
		inputState.holdFish = null; // Reset hold target
	}
}
/**** 
* Screen Management
****/ 
function showScreen(screenName) {
	titleScreen.visible = false;
	levelSelectScreen.visible = false;
	fishingScreen.visible = false;
	resultsScreen.visible = false;
	GameState.currentScreen = screenName;
	switch (screenName) {
		case 'title':
			titleScreen.visible = true;
			break;
		case 'levelSelect':
			levelSelectScreen.visible = true;
			updateLevelSelectScreen();
			break;
		case 'fishing':
			fishingScreen.visible = true;
			startFishingSession();
			break;
		case 'results':
			resultsScreen.visible = true;
			break;
	}
}
/**** 
* Level Select Logic
****/ 
function updateLevelSelectScreen() {
	var elements = levelSelectElements;
	// Update money display
	elements.moneyDisplay.setText('Money: $' + GameState.money);
	// Create depth tabs
	createDepthTabs();
	// Update song display
	updateSongDisplay();
	// Update shop button
	updateShopButton();
}
function createDepthTabs() {
	// Clear existing tabs
	levelSelectElements.depthTabs.forEach(function (tab) {
		if (tab.container) tab.container.destroy();
	});
	levelSelectElements.depthTabs = [];
	// Create tabs for unlocked depths
	for (var i = 0; i <= GameState.currentDepth; i++) {
		var depth = GAME_CONFIG.DEPTHS[i];
		var isSelected = i === GameState.selectedDepth;
		var tabContainer = levelSelectScreen.addChild(new Container());
		var tab = tabContainer.addChild(LK.getAsset('depthTab', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 300 + i * 220,
			y: 400,
			tint: isSelected ? 0x1976d2 : 0x455a64
		}));
		var tabText = new Text2(depth.name.split(' ')[0], {
			size: 30,
			fill: 0xFFFFFF
		});
		tabText.anchor.set(0.5, 0.5);
		tabText.x = 300 + i * 220;
		tabText.y = 400;
		tabContainer.addChild(tabText);
		levelSelectElements.depthTabs.push({
			container: tabContainer,
			tab: tab,
			depthIndex: i
		});
	}
}
function updateSongDisplay() {
	var elements = levelSelectElements;
	var depth = GAME_CONFIG.DEPTHS[GameState.selectedDepth];
	var song = depth.songs[GameState.selectedSong];
	var owned = GameState.hasSong(GameState.selectedDepth, GameState.selectedSong);
	// Update song info
	elements.songTitle.setText(song.name);
	elements.songInfo.setText('BPM: ' + song.bpm + ' | Duration: ' + formatTime(song.duration));
	// Calculate potential earnings
	var minEarnings = Math.floor(depth.fishValue * 20); // Conservative estimate
	var maxEarnings = Math.floor(depth.fishValue * 60); // With combos and rare fish
	elements.songEarnings.setText('Potential Earnings: $' + minEarnings + '-$' + maxEarnings);
	// Update play/buy button
	if (owned) {
		elements.playButtonText.setText('PLAY');
		elements.playButton.tint = 0x1976d2;
	} else {
		elements.playButtonText.setText('BUY ($' + song.cost + ')');
		elements.playButton.tint = GameState.money >= song.cost ? 0x2e7d32 : 0x666666;
	}
	// Update arrow states
	elements.leftArrow.tint = GameState.selectedSong > 0 ? 0x1976d2 : 0x666666;
	elements.rightArrow.tint = GameState.selectedSong < depth.songs.length - 1 ? 0x1976d2 : 0x666666;
}
function updateShopButton() {
	var elements = levelSelectElements;
	var canUpgrade = GameState.canUpgrade();
	var nextDepth = GAME_CONFIG.DEPTHS[GameState.currentDepth + 1];
	if (nextDepth) {
		elements.shopButtonText.setText('UPGRADE ROD ($' + nextDepth.upgradeCost + ')');
		elements.shopButton.tint = canUpgrade ? 0x2e7d32 : 0x666666;
	} else {
		elements.shopButtonText.setText('MAX DEPTH REACHED');
		elements.shopButton.tint = 0x666666;
	}
}
function formatTime(ms) {
	var seconds = Math.floor(ms / 1000);
	var minutes = Math.floor(seconds / 60);
	seconds = seconds % 60;
	return minutes + ':' + (seconds < 10 ? '0' : '') + seconds;
}
/**** 
* Fishing Game Logic
****/ 
function startFishingSession() {
	// Reset session state
	GameState.sessionScore = 0;
	GameState.sessionFishCaught = 0;
	GameState.sessionFishSpawned = 0;
	GameState.combo = 0;
	GameState.maxCombo = 0;
	GameState.gameActive = true;
	GameState.songStartTime = 0;
	GameState.lastBeatTime = 0;
	GameState.beatCount = 0;
	// Clear any existing fish
	fishArray.forEach(function (fish) {
		fish.destroy();
	});
	fishArray = [];
	// Reset pattern generator for new session
	PatternGenerator.reset();
	// Start music
	LK.playMusic('rhythmTrack');
}
function spawnFish() {
	var depthConfig = GameState.getCurrentDepthConfig();
	var songConfig = GameState.getCurrentSongConfig();
	var pattern = GAME_CONFIG.PATTERNS[songConfig.pattern];
	// Skip spawn if pattern says no double spawns
	if (pattern.doubleSpawnChance === 0) {
		// Check if any fish are too close to spawn position
		for (var i = 0; i < fishArray.length; i++) {
			var fish = fishArray[i];
			if (Math.abs(fish.x - GAME_CONFIG.SCREEN_CENTER_X) < PatternGenerator.minDistanceBetweenFish) {
				return; // Skip this spawn
			}
		}
	}
	// Use pattern generator to choose lane
	var laneIndex = PatternGenerator.getNextLane();
	var targetLane = GAME_CONFIG.LANES[laneIndex];
	// Determine if this is a hold fish
	var isHoldFish = Math.random() < (pattern.holdFishChance || 0);
	// Determine fish type and value
	var fishType, fishValue;
	var rand = Math.random();
	if (rand < pattern.rareSpawnChance) {
		fishType = 'rare';
		fishValue = depthConfig.fishValue * 4; // Rare fish are more valuable
	} else if (GameState.selectedDepth >= 2 && rand < 0.3) {
		// Example: deep fish appear more in deeper levels
		fishType = 'deep';
		fishValue = Math.floor(depthConfig.fishValue * 2);
	} else if (GameState.selectedDepth >= 1 && rand < 0.6) {
		// Example: medium fish
		fishType = 'medium';
		fishValue = Math.floor(depthConfig.fishValue * 1.5);
	} else {
		fishType = 'shallow'; // Common fish
		fishValue = depthConfig.fishValue;
	}
	// Bonus value for hold fish
	if (isHoldFish) {
		fishValue = Math.floor(fishValue * 1.5); // Hold fish are worth more
	}
	var fishSpeed = Math.random() < 0.5 ? depthConfig.fishSpeed : -depthConfig.fishSpeed;
	// Create fish
	var fish = new Fish(fishType, fishValue, fishSpeed, laneIndex,
	// Pass lane index
	isHoldFish // Pass hold status
	);
	fish.x = fish.speed > 0 ? -150 : 2048 + 150; // Start off-screen
	fish.y = targetLane.y; // Set Y to the chosen lane's Y
	fishArray.push(fish);
	fishingScreen.addChild(fish);
	GameState.sessionFishSpawned++;
	// PatternGenerator.registerSpawn(GAME_CONFIG.SCREEN_CENTER_X); // This line is removed as the method was removed.
	return fish; // Ensure spawnFish returns the created fish object
}
function checkCatch(fishLane, isHoldAction, holdDurationMs, specificHeldFish) {
	var hookX = fishingElements.hook.x;
	var closestFishInLane = null;
	var closestDistance = Infinity;
	if (specificHeldFish) {
		// This is the release of a hold action on a specific fish.
		closestFishInLane = specificHeldFish;
		// Distance check is still important for scoring.
		// The fish should be at hookX because it was held, but check anyway.
		closestDistance = Math.abs(closestFishInLane.x - hookX);
		if (closestFishInLane.lane !== fishLane) {
			// Should not happen if isHeld worked
			showFeedback('miss', fishLane);
			LK.getSound('miss').play();
			GameState.combo = 0;
			return;
		}
	} else {
		// This is a tap action, find the closest fish in the tapped lane.
		// Do not consider fish that are currently being held by an active input.
		for (var i = 0; i < fishArray.length; i++) {
			var fish = fishArray[i];
			if (!fish.caught && fish.lane === fishLane && !fish.isHeld) {
				var distance = Math.abs(fish.x - hookX);
				if (distance < closestDistance) {
					closestDistance = distance;
					closestFishInLane = fish;
				}
			}
		}
	}
	if (!closestFishInLane) {
		// No fish found for tap, or specificHeldFish was somehow null (shouldn't be if called correctly)
		showFeedback('miss', fishLane);
		LK.getSound('miss').play();
		GameState.combo = 0;
		return;
	}
	// --- Hold Fish Logic ---
	if (closestFishInLane.isHoldFish) {
		if (!isHoldAction) {
			// Tapped a hold fish (expected a hold, not a tap).
			showFeedback('miss', fishLane);
			LK.getSound('miss').play();
			GameState.combo = 0;
			return;
		}
		// It is a hold action, check if duration was sufficient.
		// fish.holdStarted (primed state) is a visual cue; actual duration check is here.
		if (holdDurationMs < closestFishInLane.requiredHoldTime) {
			// Held, but not long enough.
			showFeedback('miss', fishLane);
			LK.getSound('miss').play();
			GameState.combo = 0;
			return;
		}
		// If we reach here, hold duration was sufficient. Proximity check below will determine score.
	} else {
		// Normal Fish Logic
		if (isHoldAction) {
			// Held a normal fish (counts as a miss/mistake).
			showFeedback('miss', fishLane);
			LK.getSound('miss').play();
			GameState.combo = 0;
			return;
		}
	}
	// --- End Hold Fish Logic ---
	var points = 0;
	var multiplier = Math.max(1, Math.floor(GameState.combo / 10) + 1);
	if (closestDistance < GAME_CONFIG.PERFECT_WINDOW) {
		points = closestFishInLane.value * 2 * multiplier;
		showFeedback('perfect', fishLane);
		GameState.combo++;
	} else if (closestDistance < GAME_CONFIG.GOOD_WINDOW) {
		points = closestFishInLane.value * multiplier;
		showFeedback('good', fishLane);
		GameState.combo++;
	} else if (closestDistance < GAME_CONFIG.MISS_WINDOW) {
		points = Math.max(1, Math.floor(closestFishInLane.value * 0.5 * multiplier));
		showFeedback('good', fishLane);
		GameState.combo++;
	} else {
		showFeedback('miss', fishLane);
		LK.getSound('miss').play();
		GameState.combo = 0;
		return;
	}
	// Successfully caught fish
	closestFishInLane.catchFish();
	var fishIndex = fishArray.indexOf(closestFishInLane);
	if (fishIndex > -1) {
		fishArray.splice(fishIndex, 1);
	}
	GameState.sessionScore += points;
	GameState.money += points;
	GameState.sessionFishCaught++;
	GameState.totalFishCaught++;
	GameState.maxCombo = Math.max(GameState.maxCombo, GameState.combo);
	LK.getSound('catch').play();
	animateHookCatch(); // Call parameterless animateHookCatch for the single hook
}
// Note: The old animateHookCatch function that was defined right after checkCatch
// is now a global helper: animateHookCatch(laneIndex), defined earlier.
// We remove the old local one if it existed here by not re-inserting it.
function updateFishingUI() {
	var elements = fishingElements;
	elements.scoreText.setText('Score: ' + GameState.sessionScore);
	elements.fishText.setText('Fish: ' + GameState.sessionFishCaught + '/' + GameState.sessionFishSpawned);
	elements.comboText.setText('Combo: ' + GameState.combo);
	// Update progress
	if (GameState.songStartTime > 0) {
		var currentTime = LK.ticks * (1000 / 60);
		var elapsed = currentTime - GameState.songStartTime;
		var songConfig = GameState.getCurrentSongConfig();
		elements.progressText.setText(formatTime(elapsed) + ' / ' + formatTime(songConfig.duration));
	}
}
function endFishingSession() {
	GameState.gameActive = false;
	// Clear fish
	fishArray.forEach(function (fish) {
		fish.destroy();
	});
	fishArray = [];
	// Create results screen
	createResultsScreen();
	showScreen('results');
}
function createResultsScreen() {
	// Clear previous results
	resultsScreen.removeChildren();
	var resultsBg = resultsScreen.addChild(LK.getAsset('screenBackground', {
		x: 0,
		y: 0,
		alpha: 0.9
	}));
	var title = new Text2('Fishing Complete!', {
		size: 100,
		fill: 0xFFFFFF
	});
	title.anchor.set(0.5, 0.5);
	title.x = GAME_CONFIG.SCREEN_CENTER_X;
	title.y = 400;
	resultsScreen.addChild(title);
	var scoreResult = new Text2('Score: ' + GameState.sessionScore, {
		size: 70,
		fill: 0xFFD700
	});
	scoreResult.anchor.set(0.5, 0.5);
	scoreResult.x = GAME_CONFIG.SCREEN_CENTER_X;
	scoreResult.y = 550;
	resultsScreen.addChild(scoreResult);
	var fishResult = new Text2('Fish Caught: ' + GameState.sessionFishCaught + '/' + GameState.sessionFishSpawned, {
		size: 50,
		fill: 0xFFFFFF
	});
	fishResult.anchor.set(0.5, 0.5);
	fishResult.x = GAME_CONFIG.SCREEN_CENTER_X;
	fishResult.y = 650;
	resultsScreen.addChild(fishResult);
	var comboResult = new Text2('Max Combo: ' + GameState.maxCombo, {
		size: 50,
		fill: 0xFF9800
	});
	comboResult.anchor.set(0.5, 0.5);
	comboResult.x = GAME_CONFIG.SCREEN_CENTER_X;
	comboResult.y = 750;
	resultsScreen.addChild(comboResult);
	var moneyEarned = new Text2('Money Earned: $' + GameState.sessionScore, {
		size: 50,
		fill: 0x4CAF50
	});
	moneyEarned.anchor.set(0.5, 0.5);
	moneyEarned.x = GAME_CONFIG.SCREEN_CENTER_X;
	moneyEarned.y = 850;
	resultsScreen.addChild(moneyEarned);
	// Accuracy
	var accuracy = GameState.sessionFishSpawned > 0 ? Math.round(GameState.sessionFishCaught / GameState.sessionFishSpawned * 100) : 0;
	var accuracyResult = new Text2('Accuracy: ' + accuracy + '%', {
		size: 50,
		fill: 0x2196F3
	});
	accuracyResult.anchor.set(0.5, 0.5);
	accuracyResult.x = GAME_CONFIG.SCREEN_CENTER_X;
	accuracyResult.y = 950;
	resultsScreen.addChild(accuracyResult);
	// Continue button
	var continueButton = resultsScreen.addChild(LK.getAsset('bigButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: GAME_CONFIG.SCREEN_CENTER_X,
		y: 1200
	}));
	var continueText = new Text2('CONTINUE', {
		size: 50,
		fill: 0xFFFFFF
	});
	continueText.anchor.set(0.5, 0.5);
	continueText.x = GAME_CONFIG.SCREEN_CENTER_X;
	continueText.y = 1200;
	resultsScreen.addChild(continueText);
	// Fade in
	resultsScreen.alpha = 0;
	tween(resultsScreen, {
		alpha: 1
	}, {
		duration: 500,
		easing: tween.easeOut
	});
}
/**** 
* Input Handling
****/ 
game.down = function (x, y, obj) {
	LK.getSound('buttonClick').play();
	switch (GameState.currentScreen) {
		case 'title':
			// Check if click is within start button bounds
			var startButton = titleElements.startButton;
			if (x >= startButton.x - startButton.width / 2 && x <= startButton.x + startButton.width / 2 && y >= startButton.y - startButton.height / 2 && y <= startButton.y + startButton.height / 2) {
				showScreen('levelSelect');
			}
			// Check if click is within tutorial button bounds
			var tutorialButton = titleElements.tutorialButton;
			if (x >= tutorialButton.x - tutorialButton.width / 2 && x <= tutorialButton.x + tutorialButton.width / 2 && y >= tutorialButton.y - tutorialButton.height / 2 && y <= tutorialButton.y + tutorialButton.height / 2) {
				// TODO: Show tutorial
			}
			break;
		case 'levelSelect':
			handleLevelSelectInput(x, y);
			break;
		case 'fishing':
			handleFishingInput(x, y, true); // true for isDown
			break;
		case 'results':
			showScreen('levelSelect');
			break;
	}
};
function handleLevelSelectInput(x, y) {
	var elements = levelSelectElements;
	// Check depth tabs
	elements.depthTabs.forEach(function (tab) {
		var tabAsset = tab.tab;
		if (x >= tabAsset.x - tabAsset.width / 2 && x <= tabAsset.x + tabAsset.width / 2 && y >= tabAsset.y - tabAsset.height / 2 && y <= tabAsset.y + tabAsset.height / 2) {
			GameState.selectedDepth = tab.depthIndex;
			GameState.selectedSong = 0; // Reset to first song
			updateLevelSelectScreen();
		}
	});
	// Check song navigation
	var leftArrow = elements.leftArrow;
	if (x >= leftArrow.x - leftArrow.width / 2 && x <= leftArrow.x + leftArrow.width / 2 && y >= leftArrow.y - leftArrow.height / 2 && y <= leftArrow.y + leftArrow.height / 2 && GameState.selectedSong > 0) {
		GameState.selectedSong--;
		updateSongDisplay();
	}
	var rightArrow = elements.rightArrow;
	if (x >= rightArrow.x - rightArrow.width / 2 && x <= rightArrow.x + rightArrow.width / 2 && y >= rightArrow.y - rightArrow.height / 2 && y <= rightArrow.y + rightArrow.height / 2) {
		var depth = GAME_CONFIG.DEPTHS[GameState.selectedDepth];
		if (GameState.selectedSong < depth.songs.length - 1) {
			GameState.selectedSong++;
			updateSongDisplay();
		}
	}
	// Check play/buy button
	var playButton = elements.playButton;
	if (x >= playButton.x - playButton.width / 2 && x <= playButton.x + playButton.width / 2 && y >= playButton.y - playButton.height / 2 && y <= playButton.y + playButton.height / 2) {
		var owned = GameState.hasSong(GameState.selectedDepth, GameState.selectedSong);
		if (owned) {
			showScreen('fishing');
		} else {
			// Try to buy song
			if (GameState.buySong(GameState.selectedDepth, GameState.selectedSong)) {
				updateLevelSelectScreen();
			}
		}
	}
	// Check shop button
	var shopButton = elements.shopButton;
	if (x >= shopButton.x - shopButton.width / 2 && x <= shopButton.x + shopButton.width / 2 && y >= shopButton.y - shopButton.height / 2 && y <= shopButton.y + shopButton.height / 2) {
		if (GameState.upgrade()) {
			LK.getSound('upgrade').play();
			updateLevelSelectScreen();
		}
	}
	// Check back button
	var backButton = elements.backButton;
	if (x >= backButton.x - backButton.width / 2 && x <= backButton.x + backButton.width / 2 && y >= backButton.y - backButton.height / 2 && y <= backButton.y + backButton.height / 2) {
		showScreen('title');
	}
}
/**** 
* Main Game Loop
****/ 
game.update = function () {
	if (GameState.currentScreen !== 'fishing' || !GameState.gameActive) {
		return;
	}
	var currentTime = LK.ticks * (1000 / 60);
	// Initialize game timer
	if (GameState.songStartTime === 0) {
		GameState.songStartTime = currentTime;
	}
	var songConfig = GameState.getCurrentSongConfig();
	var pattern = GAME_CONFIG.PATTERNS[songConfig.pattern];
	var beatInterval = 60000 / songConfig.bpm;
	var spawnInterval = beatInterval * pattern.beatsPerFish;
	// Check song end
	if (currentTime - GameState.songStartTime >= songConfig.duration) {
		endFishingSession();
		return;
	}
	// Spawn fish on beat
	if (currentTime - GameState.lastBeatTime >= spawnInterval) {
		GameState.lastBeatTime = currentTime; // A beat interval has passed
		GameState.beatCount++; // Count this song beat interval
		// Check with PatternGenerator if it's okay to spawn based on time since last actual spawn
		// and if that last spawn was a hold fish.
		if (PatternGenerator.canSpawnFishOnBeat(currentTime, spawnInterval)) {
			var spawnedFish = spawnFish(); // spawnFish() might return undefined if its internal checks fail (e.g. proximity to existing fish)
			if (spawnedFish) {
				// If a fish was successfully created and returned by spawnFish(),
				// register its details for the next time-check.
				PatternGenerator.registerFishSpawn(currentTime, spawnedFish.isHoldFish);
			}
		}
		// If PatternGenerator.canSpawnFishOnBeat is false, a beat occurred,
		// but no fish is spawned due to required time spacing (e.g., after a hold fish).
	}
	// Dynamic Hook Movement Logic
	var approachingFish = null;
	var minDistanceToCenter = Infinity;
	for (var i = 0; i < fishArray.length; i++) {
		var f = fishArray[i];
		if (!f.caught) {
			var distanceToHookX = Math.abs(f.x - fishingElements.hook.x);
			// Consider fish that are moving towards the hook OR are very close to it already
			var isApproachingOrAtHook = f.speed > 0 && f.x < fishingElements.hook.x || f.speed < 0 && f.x > fishingElements.hook.x || distanceToHookX < GAME_CONFIG.MISS_WINDOW * 2;
			if (isApproachingOrAtHook && distanceToHookX < minDistanceToCenter) {
				minDistanceToCenter = distanceToHookX;
				approachingFish = f;
			}
		}
	}
	var targetLaneY;
	if (approachingFish) {
		if (GameState.hookTargetLaneIndex !== approachingFish.lane) {
			GameState.hookTargetLaneIndex = approachingFish.lane;
		}
		targetLaneY = GAME_CONFIG.LANES[GameState.hookTargetLaneIndex].y;
	} else {
		// No fish approaching, hook returns/stays at middle lane (or last known target)
		// For simplicity, let's use the last known/default target index.
		targetLaneY = GAME_CONFIG.LANES[GameState.hookTargetLaneIndex].y;
	}
	// Tween hook and line to the target Y if not already there or already tweening
	// A more robust solution would check if a tween is active on the hook.
	// For now, we'll just update if the current Y is different.
	if (fishingElements.hook.y !== targetLaneY) {
		tween(fishingElements.hook, {
			y: targetLaneY
		}, {
			duration: 150,
			easing: tween.easeOut
		});
		tween(fishingElements.line, {
			height: targetLaneY - GAME_CONFIG.WATER_SURFACE_Y
		}, {
			duration: 150,
			easing: tween.easeOut
		});
		fishingElements.hook.originalY = targetLaneY; // Update reference for animations
	}
	// Update fish
	for (var i = fishArray.length - 1; i >= 0; i--) {
		var fish = fishArray[i];
		fish.update(); // Fish updates its own movement and appearance based on isHeld, holdStarted
		// Remove off-screen fish (if not caught and not currently held)
		// A held fish should not be removed for being off-screen as its X is static.
		if (!fish.caught && !fish.isHeld && (fish.x < -250 || fish.x > 2048 + 250)) {
			// Increased buffer slightly
			fish.destroy();
			fishArray.splice(i, 1);
		}
	}
	// Update holdStarted state for the currently active hold fish
	if (inputState.holdFish && inputState.holdFish.isHeld && inputState.touching) {
		var currentActiveHoldFish = inputState.holdFish;
		var currentHoldDuration = currentTime - inputState.touchStartTime;
		if (currentHoldDuration >= currentActiveHoldFish.requiredHoldTime) {
			if (!currentActiveHoldFish.holdStarted) {
				currentActiveHoldFish.holdStarted = true; // Fish is now "primed"
			}
		} else {
			// If, for some reason, duration is no longer met (e.g. timer issue, though unlikely)
			// or to ensure it's false before being primed.
			if (currentActiveHoldFish.holdStarted) {
				currentActiveHoldFish.holdStarted = false;
			}
		}
	}
	// Update UI
	updateFishingUI();
};
// Initialize game
showScreen('title');

===================================================================
--- original.js
+++ change.js
@@ -205,25 +205,25 @@
 var GAME_CONFIG = {
 	SCREEN_CENTER_X: 1024,
 	SCREEN_CENTER_Y: 900,
 	// Adjusted, though less critical with lanes
-	BOAT_Y: 573,
-	// Original 300 + 273 (maintains original offset from water surface)
-	WATER_SURFACE_Y: 623,
-	// Original 350 + 273 (273 is 10% of 2732 screen height, rounded down)
+	BOAT_Y: 710,
+	// Original 300 + 273 (10%) + 137 (5%) = 710
+	WATER_SURFACE_Y: 760,
+	// Original 350 + 273 (10%) + 137 (5%) = 760
 	// 3 Lane System
-	// Y-positions for each lane, adjusted downwards
+	// Y-positions for each lane, adjusted downwards further
 	LANES: [{
-		y: 996,
-		// Top lane Y-position (723 + 273)
+		y: 1133,
+		// Top lane Y: (723 + 273) + 137 = 996 + 137 = 1133
 		name: "shallow"
 	}, {
-		y: 1639,
-		// Middle lane Y-position (996 + 643)
+		y: 1776,
+		// Middle lane Y: (996 + 643) + 137 = 1639 + 137 = 1776
 		name: "medium"
 	}, {
-		y: 2282,
-		// Bottom lane Y-position (1639 + 643)
+		y: 2419,
+		// Bottom lane Y: (1639 + 643) + 137 = 2282 + 137 = 2419
 		name: "deep"
 	}],
 	// Timing windows
 	PERFECT_WINDOW: 40,