/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1", {
	highScore: 0,
	difficulty: 1
});

/**** 
* Classes
****/ 
var FallingWord = Container.expand(function (wordText, speed) {
	var self = Container.call(this);
	self.wordText = wordText;
	self.speed = speed || 2;
	self.typed = "";
	self.completed = false;
	var background = self.attachAsset('wordBackground', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.wordDisplay = new Text2(wordText, {
		size: 80,
		fill: 0xFFFFFF
	});
	self.wordDisplay.anchor.set(0.5, 0.5);
	self.addChild(self.wordDisplay);
	self.progressDisplay = new Text2("", {
		size: 60,
		fill: 0x00FF00
	});
	self.progressDisplay.anchor.set(0.5, 0.5);
	self.addChild(self.progressDisplay);
	self.updateTyped = function (typedText) {
		self.typed = typedText;
		self.progressDisplay.setText(typedText);
		if (typedText === self.wordText) {
			self.completed = true;
			return true;
		}
		return false;
	};
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1a1a2e
});

/**** 
* Game Code
****/ 
var background = LK.getAsset('background', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2
});
game.addChild(background);
var words = ["type", "hero", "word", "game", "play", "fast", "quick", "next", "quick", "last", "first", "middle", "super", "best", "hey"];
var longWords = ["keyboard", "challenge", "practice", "improvement", "experience", "development", "professional", "application", "performance", "intelligence", "building", "meanwhile", "seems", "let me know", "appreciation", "abandom", "play agin", "start the game", "high score"];
var activeWords = [];
var gameActive = false;
var currentInput = "";
var spawnInterval = 10; // Set the interval time period between word spawns to 50 seconds 
var lastSpawnTime = 0;
var score = 0;
var difficulty = storage.difficulty || 1;
var level = 1;
var levelThreshold = 100; // Score threshold to advance to the next level
var baseSpeed = 1;
var wordCount = 0;
var gameTicks = 0;
var scoreDisplay = new Text2("Score: 0", {
	size: 90,
	fill: 0xFFFFFF
});
scoreDisplay.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreDisplay);
var highScoreDisplay = new Text2("High Score: " + storage.highScore, {
	size: 50,
	fill: 0xFFCC00
});
highScoreDisplay.anchor.set(0.5, 0);
highScoreDisplay.y = 80;
LK.gui.top.addChild(highScoreDisplay);
var levelDisplay = new Text2("Level: 1", {
	size: 60,
	fill: 0x00FF00
});
levelDisplay.anchor.set(0.5, 0);
levelDisplay.y = 140;
LK.gui.top.addChild(levelDisplay);
var inputDisplay = new Text2("", {
	size: 80,
	fill: 0xFFFFFF
});
var inputBackground = new Text2("", {
	size: 80,
	fill: 0x000000
});
inputBackground.anchor.set(0.5, 1);
inputBackground.y = -50;
LK.gui.bottom.addChild(inputBackground);
inputDisplay.anchor.set(0.5, 1);
inputDisplay.y = -20;
LK.gui.bottom.addChild(inputDisplay);
var keyboard = new Container();
game.addChild(keyboard);
keyboard.y = 2400;
function startGame() {
	gameActive = true;
	activeWords = [];
	currentInput = "";
	score = 0;
	wordCount = 0;
	gameTicks = 0;
	spawnInterval = 2500;
	difficulty = 1;
	level = 1;
	scoreDisplay.setText("Score: 0");
	updateInput("");
	LK.playMusic('bgMusic');
}
function endGame() {
	gameActive = false;
	if (score > storage.highScore) {
		storage.highScore = score;
		highScoreDisplay.setText("High Score: " + storage.highScore);
	}
	LK.stopMusic();
	LK.showGameOver();
}
function getRandomWord() {
	var wordPool = difficulty > 2 ? longWords.concat(words) : words;
	return wordPool[Math.floor(Math.random() * wordPool.length)];
}
function updateInput(text) {
	currentInput = text;
	inputDisplay.setText(text);
}
function spawnWord() {
	var word = getRandomWord();
	var fallingWord = new FallingWord(word, 108 / 120); // Adjust speed to ensure 80 seconds to fall 
	fallingWord.x = Math.random() * (2048 - 400) + 100;
	fallingWord.y = 100;
	game.addChild(fallingWord);
	activeWords.push(fallingWord);
	wordCount++;
	if (wordCount % 10 === 0) {
		increaseDifficulty();
	}
}
function increaseDifficulty() {
	difficulty += 0.2;
	spawnInterval = Math.max(800, spawnInterval - 100);
	storage.difficulty = difficulty;
}
function checkInput(_char) {
	var newInput = currentInput + _char;
	updateInput(newInput);
	for (var i = 0; i < activeWords.length; i++) {
		var word = activeWords[i];
		if (word.wordText.toLowerCase().startsWith(newInput.toLowerCase())) {
			if (newInput.length === word.wordText.length) {
				score += 5;
				LK.setScore(score);
				scoreDisplay.setText("Score: " + score);
				if (score >= levelThreshold * level) {
					levelDisplay.setText("Level: " + level);
					level++;
					increaseDifficulty();
					LK.effects.flashScreen(0x00ff00, 1000); // Flash screen green to indicate level up
				}
				LK.getSound('correctWord').play();
				LK.effects.flashObject(word, 0x00ff00, 400);
				tween(word, {
					alpha: 0
				}, {
					duration: 300,
					onFinish: function onFinish() {
						game.removeChild(word);
						activeWords.splice(activeWords.indexOf(word), 1);
					}
				});
				updateInput("");
				return true;
			}
			word.updateTyped(newInput);
			return true;
		}
	}
	return false;
}
function clearInput() {
	updateInput("");
	for (var i = 0; i < activeWords.length; i++) {
		activeWords[i].updateTyped("");
	}
}
var keyboardButtons = [];
var keyboardLayout = [['Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P'], ['A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L'], ['Z', 'X', 'C', 'V', 'B', 'N', 'M']];
var totalKeyboardHeight = keyboardLayout.length * 10; // Assuming each row is 60 pixels high
function createKeyboard() {
	var buttonSize = 50;
	var spacing = 30;
	var rows = keyboardLayout.length;
	for (var row = 0; row < rows; row++) {
		var keys = keyboardLayout[row];
		var rowWidth = keys.length * (buttonSize + spacing);
		var startX = (2048 - rowWidth) / 2;
		var yOffset = 2048 - totalKeyboardHeight - 50;
		for (var i = 0; i < keys.length; i++) {
			var key = keys[i];
			var keyButton = new Container();
			var keyBackground = LK.getAsset('wordBackground', {
				width: 70,
				height: 80,
				anchorX: 0.5,
				anchorY: 0.5,
				tint: 0x555555
			});
			keyButton.addChild(keyBackground);
			var keyText = new Text2(key, {
				size: 70,
				fill: 0xFFFFFF
			});
			keyText.anchor.set(0.5, 0.5);
			keyButton.addChild(keyText);
			keyButton.x = startX + i * (buttonSize + spacing) + buttonSize / 4;
			keyButton.y = row * (buttonSize + spacing) + buttonSize / 20;
			keyButton.keyValue = key;
			keyButton.interactive = true;
			keyButton.down = function (x, y, obj) {
				if (this.keyValue) {
					checkInput(this.keyValue);
				}
				if (obj.children && obj.children.length > 0 && obj.children[0]) {
					tween(obj.children[0], {
						tint: 0x3498db
					}, {
						duration: 100
					});
				}
			};
			keyButton.up = function (x, y, obj) {
				if (obj.children && obj.children.length > 0 && obj.children[0]) {
					tween(obj.children[0], {
						tint: 0x555555
					}, {
						duration: 100
					});
				}
			};
			keyboard.addChild(keyButton);
			keyboardButtons.push(keyButton);
		}
	}
	// Delete key
	var deleteKey = new Container();
	var deleteBackground = LK.getAsset('wordBackground', {
		width: 200,
		height: 100,
		anchorX: 0.5,
		anchorY: 0.5,
		tint: 0x555555
	});
	deleteKey.addChild(deleteBackground);
	var deleteText = new Text2("DEL", {
		size: 80,
		fill: 0xFFFFFF
	});
	deleteText.anchor.set(0.5, 0.5);
	deleteKey.addChild(deleteText);
	deleteKey.x = 2048 - (buttonSize + spacing) * 7;
	deleteKey.y = rows * (buttonSize + spacing) + buttonSize / 2;
	deleteKey.interactive = true;
	deleteKey.down = function () {
		if (currentInput.length > 0) {
			updateInput(currentInput.slice(0, -1));
		}
	};
	keyboard.addChild(deleteKey);
	// Space bar
	var spaceBar = new Container();
	var spaceBackground = LK.getAsset('wordBackground', {
		width: 200,
		height: 100,
		anchorX: 0.5,
		anchorY: 0.5,
		tint: 0x555555
	});
	spaceBar.addChild(spaceBackground);
	var spaceText = new Text2("SPACE", {
		size: 80,
		fill: 0xFFFFFF
	});
	spaceText.anchor.set(0.5, 0.5);
	spaceBar.addChild(spaceText);
	spaceBar.y = rows * (buttonSize + spacing) + 40;
	spaceBar.x = 2048 / 2;
	spaceBar.interactive = true;
	spaceBar.down = function () {
		checkInput(" ");
	};
	keyboard.addChild(spaceBar);
}
createKeyboard();
startGame();
// Game loop
game.update = function () {
	if (!gameActive) {
		return;
	}
	var now = Date.now();
	if (now - lastSpawnTime >= spawnInterval) {
		spawnWord();
		lastSpawnTime = now;
	}
	for (var i = activeWords.length - 1; i >= 0; i--) {
		var word = activeWords[i];
		word.update();
		if (word.y > 2700) {
			LK.getSound('wordHitBottom').play();
			game.removeChild(word);
			activeWords.splice(i, 1);
			clearInput();
			endGame();
		}
	}
};