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

/**** 
* Classes
****/ 
// Car class
var Car = Container.expand(function () {
	var self = Container.call(this);
	var carSprite = self.attachAsset('car', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// For possible future effects
	self.flash = function () {
		LK.effects.flashObject(self, 0xffffff, 200);
	};
	return self;
});
// LaneLine class (for visual effect)
var LaneLine = Container.expand(function () {
	var self = Container.call(this);
	var lineSprite = self.attachAsset('laneLine', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});
// Note class
var Note = Container.expand(function (assetId) {
	var self = Container.call(this);
	var noteAssetId = assetId || 'note1';
	var noteSprite = self.attachAsset(noteAssetId, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Lane index (0,1,2)
	self.lane = 1;
	// For state tracking
	self.lastY = undefined;
	self.lastIntersecting = false;
	self.assetId = noteAssetId;
	return self;
});
// Obstacle class
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obsSprite = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Lane index (0,1,2)
	self.lane = 1;
	// For state tracking
	self.lastY = undefined;
	self.lastIntersecting = false;
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x0a0020 // Deep synthwave night
});

/**** 
* Game Code
****/ 
// --- Game constants ---
// Neon synthwave colors
// Sounds and music (IDs are placeholders, engine will load as used)
var NUM_LANES = 3;
var LANE_WIDTH = 410; // 2048 / 3 ≈ 682, but leave margins for neon effect
var ROAD_TOP = 400;
var ROAD_BOTTOM = 2732 - 200;
var CAR_Y = 2200;
var BASE_OBSTACLE_SPEED = 22; // px per frame
var BASE_NOTE_SPEED = 22;
var speedMultiplier = 1.0;
var OBSTACLE_SPEED = BASE_OBSTACLE_SPEED * speedMultiplier;
var NOTE_SPEED = BASE_NOTE_SPEED * speedMultiplier;
var LANE_X = [410,
// left
1024,
// center
1638 // right
];
// --- Music BPM and spawn sync ---
var BPM = 120; // Example BPM, can be changed if music changes
// Spawn interval: 0.75 seconds = 45 frames at 60fps
var BEAT_INTERVAL = 45;
var lastBeatTick = 0;
// --- Game state ---
var car = null;
var carLane = 1; // 0: left, 1: center, 2: right
var obstacles = [];
var notes = [];
var laneLines = [];
var score = 0;
var scoreTxt = null;
var dragSide = null; // 'left' or 'right' for touch controls
// --- Note sequence control ---
var noteSequence = ['note1', 'note2', 'note3', 'note4', 'note5', 'note6', 'note7', 'note8', 'note9', 'note10', 'note11', 'note12', 'note13', 'note14', 'note15', 'note16', 'note17', 'note18', 'note19', 'note20', 'note21', 'note22', 'note23', 'note24', 'note25', 'note26', 'note27', 'note28', 'note29', 'note30', 'note31', 'note32', 'note33', 'note34', 'note35', 'note36', 'note37', 'note38'];
var noteSequenceIndex = 0;
// --- Entry Screen ---
var entryScreen = new Container();
var playBtn = new Text2('Play', {
	size: 180,
	fill: 0x00fff2,
	font: "Impact"
});
playBtn.anchor.set(0.5, 0.5);
playBtn.x = 2048 / 2;
playBtn.y = 2732 / 2;
entryScreen.addChild(playBtn);
game.addChild(entryScreen);
// Hide game UI until play is pressed
LK.gui.top.visible = false;
// Play button interaction
playBtn.interactive = true;
playBtn.buttonMode = true;
playBtn.down = function (x, y, obj) {
	gameStarted = false; // Prevent game logic from running immediately
	// Play applause sound
	LK.getSound('ApplauseSound').play();
	// Remove entry screen
	entryScreen.destroy();
	// Show game UI
	LK.gui.top.visible = true;
	// --- Background music ---
	LK.playMusic('neonTrack');
	// --- Draw neon road lanes ---
	createLaneLines();
	// --- Create car ---
	car = new Car();
	car.x = LANE_X[carLane];
	car.y = CAR_Y;
	game.addChild(car);
	// --- Score display ---
	scoreTxt = new Text2('0', {
		size: 120,
		fill: 0xFFF200,
		font: "Impact"
	});
	scoreTxt.anchor.set(0.5, 0);
	LK.gui.top.addChild(scoreTxt);
	// --- Speed multiplier display ---
	speedTxt = new Text2('x1', {
		size: 80,
		fill: 0x00fff2,
		font: "Impact"
	});
	speedTxt.anchor.set(0.5, 0);
	// Position speedTxt just below scoreTxt (scoreTxt is anchored at top center)
	speedTxt.y = scoreTxt.height + 10;
	LK.gui.top.addChild(speedTxt);
	// --- Fastest! text (hidden by default) ---
	fastestTxt = new Text2('Fastest!', {
		size: 80,
		fill: 0xFF2A6D,
		font: "Impact"
	});
	fastestTxt.anchor.set(0.5, 0);
	fastestTxt.visible = false;
	// Both Fastest! and Too Slow! will be positioned at the same distance below speedTxt
	fastestTxt.y = speedTxt.y + speedTxt.height + 20;
	LK.gui.top.addChild(fastestTxt);
	// --- Too Slow! text (hidden by default) ---
	tooSlowTxt = new Text2('Too Slow!', {
		size: 80,
		fill: 0xFFFFFF,
		font: "Impact"
	});
	tooSlowTxt.anchor.set(0.5, 0);
	tooSlowTxt.visible = false;
	// Position Too Slow! at the same y as Fastest! so they overlap and are always at the same distance below speed counter
	tooSlowTxt.y = speedTxt.y + speedTxt.height + 20;
	LK.gui.top.addChild(tooSlowTxt);
	// --- Touch controls ---
	game.down = handleDown;
	game.up = handleUp;
	game.move = handleMove;
	// --- Set initial score ---
	LK.setScore(0);
	scoreTxt.setText('0');
	// Delay game start by 2 seconds before enabling obstacles/notes
	LK.setTimeout(function () {
		gameStarted = true;
		lastBeatTick = LK.ticks; // Reset beat tick so spawn syncs after delay
	}, 2000);
};
// --- Draw neon road lanes ---
function createLaneLines() {
	for (var i = 0; i < laneLines.length; i++) {
		laneLines[i].destroy();
	}
	laneLines = [];
	// Draw vertical lines between lanes
	for (var i = 1; i < NUM_LANES; i++) {
		var x = (LANE_X[i - 1] + LANE_X[i]) / 2;
		for (var y = ROAD_TOP; y < ROAD_BOTTOM; y += 400) {
			var line = new LaneLine();
			line.x = x;
			line.y = y;
			line.alpha = 0.25;
			game.addChild(line);
			laneLines.push(line);
		}
	}
}
// --- Touch controls ---
// Touch/click left or right half of screen to move car
function handleDown(x, y, obj) {
	// Only respond to touches below the top 200px (avoid menu)
	if (y < 200) return;
	if (x < 1024) {
		dragSide = 'left';
		moveCar(-1);
	} else {
		dragSide = 'right';
		moveCar(1);
	}
}
function handleUp(x, y, obj) {
	dragSide = null;
}
function handleMove(x, y, obj) {
	// Optional: swipe to move, but for now, tap only
}
// --- Move car between lanes ---
function moveCar(dir) {
	var newLane = carLane + dir;
	if (newLane < 0) newLane = 0;
	if (newLane > 2) newLane = 2;
	if (newLane !== carLane) {
		carLane = newLane;
		// Animate car to new lane
		tween(car, {
			x: LANE_X[carLane]
		}, {
			duration: 120,
			easing: tween.cubicOut
		});
	}
}
// --- Spawn obstacles and notes in sync with music ---
function spawnBeatObjects() {
	// Always place exactly 1 obstacle per beat
	var availableLanes = [0, 1, 2];
	// Place exactly 1 obstacle
	var idx = Math.floor(Math.random() * availableLanes.length);
	var lane = availableLanes[idx];
	availableLanes.splice(idx, 1);
	var obs = new Obstacle();
	obs.lane = lane;
	obs.x = LANE_X[lane];
	obs.y = ROAD_TOP - 100;
	obs.lastY = obs.y;
	obs.lastIntersecting = false;
	obstacles.push(obs);
	game.addChild(obs);
	// Place a note in the next free lane in sequence (always spawn a note if a lane is available)
	if (availableLanes.length > 0) {
		var idx = Math.floor(Math.random() * availableLanes.length);
		var lane = availableLanes[idx];
		var nextNoteAssetId = noteSequence[noteSequenceIndex];
		noteSequenceIndex = (noteSequenceIndex + 1) % noteSequence.length;
		var note = new Note(nextNoteAssetId);
		note.lane = lane;
		note.x = LANE_X[lane];
		note.y = ROAD_TOP - 100;
		note.lastY = note.y;
		note.lastIntersecting = false;
		notes.push(note);
		game.addChild(note);
	}
}
// --- Main game update loop ---
var gameStarted = false;
game.update = function () {
	if (!gameStarted) return;
	// Animate lane lines for neon effect
	for (var i = 0; i < laneLines.length; i++) {
		laneLines[i].y += OBSTACLE_SPEED;
		if (laneLines[i].y > ROAD_BOTTOM + 200) {
			laneLines[i].y = ROAD_TOP - 200;
		}
	}
	// Spawn obstacles/notes on beat
	if (LK.ticks - lastBeatTick >= BEAT_INTERVAL) {
		spawnBeatObjects();
		lastBeatTick = LK.ticks;
	}
	// Move obstacles
	for (var i = obstacles.length - 1; i >= 0; i--) {
		var obs = obstacles[i];
		obs.y += OBSTACLE_SPEED;
		// Off-screen removal
		if (obs.lastY < 2800 && obs.y >= 2800) {
			obs.destroy();
			obstacles.splice(i, 1);
			continue;
		}
		// Collision detection
		var isIntersecting = obs.intersects(car);
		if (!obs.lastIntersecting && isIntersecting) {
			// Crash!
			LK.effects.flashScreen(0xff2a6d, 800);
			car.flash();
			// Pause neonTrack music
			LK.stopMusic();
			// Delay game over by 2 seconds
			LK.getSound('GameOver').play();
			LK.setTimeout(function () {
				LK.showGameOver();
			}, 2000);
			// Prevent further updates during delay
			gameStarted = false;
			return;
		}
		obs.lastY = obs.y;
		obs.lastIntersecting = isIntersecting;
	}
	// Move notes
	for (var i = notes.length - 1; i >= 0; i--) {
		var note = notes[i];
		note.y += NOTE_SPEED;
		// Off-screen removal
		if (note.lastY < 2800 && note.y >= 2800) {
			// Decrease speed multiplier by 0.3 if note is missed
			speedMultiplier -= 0.3;
			if (speedMultiplier < 0.1) speedMultiplier = 0.1; // Prevent negative or zero speed
			OBSTACLE_SPEED = BASE_OBSTACLE_SPEED * speedMultiplier;
			NOTE_SPEED = BASE_NOTE_SPEED * speedMultiplier;
			// Update speed multiplier display
			if (typeof speedTxt !== "undefined") {
				speedTxt.setText('x' + speedMultiplier.toFixed(2).replace(/\.00$/, ''));
			}
			// End the game if speedMultiplier drops below 1
			if (speedMultiplier < 1) {
				LK.showGameOver();
				return;
			}
			note.destroy();
			notes.splice(i, 1);
			continue;
		}
		// Collect note
		var isIntersecting = note.intersects(car);
		if (!note.lastIntersecting && isIntersecting) {
			// Collect!
			LK.setScore(LK.getScore() + 1);
			scoreTxt.setText(LK.getScore());
			// Increase speed multiplier by 0.05 each time score increases
			speedMultiplier += 0.05;
			OBSTACLE_SPEED = BASE_OBSTACLE_SPEED * speedMultiplier;
			NOTE_SPEED = BASE_NOTE_SPEED * speedMultiplier;
			// Update speed multiplier display
			if (typeof speedTxt !== "undefined") {
				speedTxt.setText('x' + speedMultiplier.toFixed(2).replace(/\.00$/, ''));
				if (typeof fastestTxt !== "undefined") {
					// Show Fastest! if speedMultiplier just crossed above 2
					if (speedMultiplier > 2 && !fastestTxt.visible) {
						fastestTxt.visible = true;
					} else if (speedMultiplier <= 2 && fastestTxt.visible) {
						fastestTxt.visible = false;
					}
				}
				if (typeof tooSlowTxt !== "undefined") {
					// Show Too Slow! if speedMultiplier just dropped below 1.5
					if (speedMultiplier < 1.5 && !tooSlowTxt.visible) {
						tooSlowTxt.visible = true;
					} else if (speedMultiplier >= 1.5 && tooSlowTxt.visible) {
						tooSlowTxt.visible = false;
					}
				}
			}
			// Only play NoteDo sound if this is note1 asset
			if (note.assetId === 'note1') {
				LK.getSound('NoteDo').play();
			}
			// Only play NoteRe sound if this is note2 asset
			if (note.assetId === 'note2') {
				LK.getSound('NoteRe').play();
			}
			// Only play NoteMi sound if this is note3 asset
			if (note.assetId === 'note3') {
				LK.getSound('NoteMi').play();
			}
			// Only play NoteFa sound if this is note4 asset
			if (note.assetId === 'note4') {
				LK.getSound('NoteFa').play();
			}
			// Only play NoteSol sound if this is note5 asset
			if (note.assetId === 'note5') {
				LK.getSound('NoteSol').play();
			}
			// Only play NoteLa sound if this is note6 asset
			if (note.assetId === 'note6') {
				LK.getSound('NoteLa').play();
			}
			// Only play NoteSi sound if this is note7 asset
			if (note.assetId === 'note7') {
				LK.getSound('NoteSi').play();
			}
			// Only play NoteThickDo sound if this is note8 asset
			if (note.assetId === 'note8') {
				LK.getSound('NoteThickDo').play();
			}
			// Only play DOKUZ sound if this is note9 asset
			if (note.assetId === 'note9') {
				LK.getSound('DOKUZ').play();
			}
			// Only play ONNN sound if this is note10 asset
			if (note.assetId === 'note10') {
				LK.getSound('ONNN').play();
			}
			// Only play ONBIR sound if this is note11 asset
			if (note.assetId === 'note11') {
				LK.getSound('ONBIR').play();
			}
			// Only play ONIKI sound if this is note12 asset
			if (note.assetId === 'note12') {
				LK.getSound('ONIKI').play();
			}
			// Only play ONUC sound if this is note13 asset
			if (note.assetId === 'note13') {
				LK.getSound('ONUC').play();
			}
			// Only play ONDORT sound if this is note14 asset
			if (note.assetId === 'note14') {
				LK.getSound('ONDORT').play();
			}
			// Only play ONBES sound if this is note15 asset
			if (note.assetId === 'note15') {
				LK.getSound('ONBES').play();
			}
			// Only play ONALTI sound if this is note16 asset
			if (note.assetId === 'note16') {
				LK.getSound('ONALTI').play();
			}
			// Only play ONYEDI sound if this is note17 asset
			if (note.assetId === 'note17') {
				LK.getSound('ONYEDI').play();
			}
			// Only play ONSEKIZ sound if this is note18 asset
			if (note.assetId === 'note18') {
				LK.getSound('ONSEKIZ').play();
			}
			// Only play ONDOKUZ sound if this is note19 asset
			if (note.assetId === 'note19') {
				LK.getSound('ONDOKUZ').play();
			}
			// Only play YIRMI sound if this is note20 asset
			if (note.assetId === 'note20') {
				LK.getSound('YIRMI').play();
			}
			// Only play YIRMIBIR sound if this is note21 asset
			if (note.assetId === 'note21') {
				LK.getSound('YIRMIBIR').play();
			}
			// Only play YIRMIIKI sound if this is note22 asset
			if (note.assetId === 'note22') {
				LK.getSound('YIRMIIKI').play();
			}
			// Only play YIRMIUC sound if this is note23 asset
			if (note.assetId === 'note23') {
				LK.getSound('YIRMIUC').play();
			}
			// Only play YIRMIDORT sound if this is note24 asset
			if (note.assetId === 'note24') {
				LK.getSound('YIRMIDORT').play();
			}
			// Only play YIRMIBES sound if this is note25 asset
			if (note.assetId === 'note25') {
				LK.getSound('YIRMIBES').play();
			}
			// Only play YIRMIALTI sound if this is note26 asset
			if (note.assetId === 'note26') {
				LK.getSound('YIRMIALTI').play();
			}
			// Only play YIRMIYEDI sound if this is note27 asset
			if (note.assetId === 'note27') {
				LK.getSound('YIRMIYEDI').play();
			}
			// Only play YIRMISEKIZ sound if this is note28 asset
			if (note.assetId === 'note28') {
				LK.getSound('YIRMISEKIZ').play();
			}
			// Only play YIRMIDOKUZ sound if this is note29 asset
			if (note.assetId === 'note29') {
				LK.getSound('YIRMIDOKUZ').play();
			}
			// Only play OTUZ sound if this is note30 asset
			if (note.assetId === 'note30') {
				LK.getSound('OTUZ').play();
			}
			// Only play OTUZBIR sound if this is note31 asset
			if (note.assetId === 'note31') {
				LK.getSound('OTUZBIR').play();
			}
			// Only play OTUZIKI sound if this is note32 asset
			if (note.assetId === 'note32') {
				LK.getSound('OTUZIKI').play();
			}
			// Only play OTUZUC sound if this is note33 asset
			if (note.assetId === 'note33') {
				LK.getSound('OTUZUC').play();
			}
			// Only play OTUZDORT sound if this is note34 asset
			if (note.assetId === 'note34') {
				LK.getSound('OTUZDORT').play();
			}
			// Only play OTUZBES sound if this is note35 asset
			if (note.assetId === 'note35') {
				LK.getSound('OTUZBES').play();
			}
			// Only play OTUZALTI sound if this is note36 asset
			if (note.assetId === 'note36') {
				LK.getSound('OTUZALTI').play();
			}
			// Only play OTUZYEDI sound if this is note37 asset
			if (note.assetId === 'note37') {
				LK.getSound('OTUZYEDI').play();
			}
			// Only play OTUZSEKIZ sound if this is note38 asset
			if (note.assetId === 'note38') {
				LK.getSound('OTUZSEKIZ').play();
			}
			// Neon flash
			LK.effects.flashObject(car, 0xfff200, 200);
			note.destroy();
			notes.splice(i, 1);
			continue;
		}
		note.lastY = note.y;
		note.lastIntersecting = isIntersecting;
	}
};
// --- Set initial score ---
LK.setScore(0);
if (scoreTxt !== null) {
	scoreTxt.setText('0');
}