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

/**** 
* Classes
****/ 
var GridCell = Container.expand(function (letter, row, col) {
	var self = Container.call(this);
	self.letter = letter;
	self.row = row;
	self.col = col;
	self.isSelected = false;
	self.isFound = false;
	var cellBG = self.attachAsset('gridCell', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var letterText = new Text2(letter, {
		size: 80,
		fill: 0x333333,
		font: "'GillSans-Bold',Impact,'Arial Black',Tahoma"
	});
	letterText.anchor.set(0.5, 0.5);
	self.addChild(letterText);
	self.setSelected = function (selected) {
		self.isSelected = selected;
		if (self.isFound) return;
		self.removeChild(cellBG);
		if (selected) {
			cellBG = self.attachAsset('gridCellSelected', {
				anchorX: 0.5,
				anchorY: 0.5
			});
		} else {
			cellBG = self.attachAsset('gridCell', {
				anchorX: 0.5,
				anchorY: 0.5
			});
		}
		self.addChildAt(cellBG, 0);
	};
	self.setFound = function () {
		self.isFound = true;
		self.removeChild(cellBG);
		cellBG = self.attachAsset('gridCellFound', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.addChildAt(cellBG, 0);
	};
	return self;
});
var TargetWord = Container.expand(function (frenchWord, englishWord, turkishWord, level) {
	var self = Container.call(this);
	self.frenchWord = frenchWord;
	self.englishWord = englishWord;
	self.turkishWord = turkishWord;
	self.level = level;
	self.isFound = false;
	var bg = self.attachAsset('targetWordBG', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var frenchText = new Text2(frenchWord + ' (' + level + ')', {
		size: 65,
		fill: 0x000000,
		font: "Arial"
	});
	frenchText.anchor.set(0.5, 0.5);
	frenchText.y = -100;
	self.addChild(frenchText);
	var englishText = new Text2(englishWord, {
		size: 65,
		fill: 0x000000,
		font: "Arial"
	});
	englishText.anchor.set(0.5, 0.5);
	englishText.y = -20;
	self.addChild(englishText);
	var turkishText = new Text2(turkishWord, {
		size: 65,
		fill: 0x000000,
		font: "Arial"
	});
	turkishText.anchor.set(0.5, 0.5);
	turkishText.y = 60;
	self.addChild(turkishText);
	self.markFound = function () {
		self.isFound = true;
		frenchText.tint = 0x4CAF50;
		bg.tint = 0xC8E6C9;
		tween(self, {
			scaleX: 1.1,
			scaleY: 1.1
		}, {
			duration: 200,
			easing: tween.easeOut
		});
		tween(self, {
			scaleX: 1.0,
			scaleY: 1.0
		}, {
			duration: 200,
			easing: tween.easeOut
		});
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// French vocabulary database with CEFR levels
var vocabularyDatabase = [
// A1 Level
{
	french: "CHAT",
	english: "Cat",
	turkish: "Kedi",
	level: "A1"
}, {
	french: "CHIEN",
	english: "Dog",
	turkish: "Köpek",
	level: "A1"
}, {
	french: "MAISON",
	english: "House",
	turkish: "Ev",
	level: "A1"
}, {
	french: "EAU",
	english: "Water",
	turkish: "Su",
	level: "A1"
}, {
	french: "PAIN",
	english: "Bread",
	turkish: "Ekmek",
	level: "A1"
}, {
	french: "LAIT",
	english: "Milk",
	turkish: "Süt",
	level: "A1"
}, {
	french: "ROUGE",
	english: "Red",
	turkish: "Kırmızı",
	level: "A1"
}, {
	french: "BLEU",
	english: "Blue",
	turkish: "Mavi",
	level: "A1"
}, {
	french: "VERT",
	english: "Green",
	turkish: "Yeşil",
	level: "A1"
}, {
	french: "NOIR",
	english: "Black",
	turkish: "Siyah",
	level: "A1"
},
// A2 Level
{
	french: "VOITURE",
	english: "Car",
	turkish: "Araba",
	level: "A2"
}, {
	french: "TRAVAIL",
	english: "Work",
	turkish: "İş",
	level: "A2"
}, {
	french: "ECOLE",
	english: "School",
	turkish: "Okul",
	level: "A2"
}, {
	french: "FAMILLE",
	english: "Family",
	turkish: "Aile",
	level: "A2"
}, {
	french: "TEMPS",
	english: "Time",
	turkish: "Zaman",
	level: "A2"
}, {
	french: "ARGENT",
	english: "Money",
	turkish: "Para",
	level: "A2"
}, {
	french: "VOYAGE",
	english: "Travel",
	turkish: "Seyahat",
	level: "A2"
}, {
	french: "MUSIQUE",
	english: "Music",
	turkish: "Müzik",
	level: "A2"
}, {
	french: "LIVRE",
	english: "Book",
	turkish: "Kitap",
	level: "A2"
}, {
	french: "FILM",
	english: "Movie",
	turkish: "Film",
	level: "A2"
},
// B1 Level
{
	french: "BONHEUR",
	english: "Happiness",
	turkish: "Mutluluk",
	level: "B1"
}, {
	french: "CULTURE",
	english: "Culture",
	turkish: "Kültür",
	level: "B1"
}, {
	french: "SOCIETE",
	english: "Society",
	turkish: "Toplum",
	level: "B1"
}, {
	french: "NATURE",
	english: "Nature",
	turkish: "Doğa",
	level: "B1"
}, {
	french: "SCIENCE",
	english: "Science",
	turkish: "Bilim",
	level: "B1"
}, {
	french: "HISTOIRE",
	english: "History",
	turkish: "Tarih",
	level: "B1"
}, {
	french: "OPINION",
	english: "Opinion",
	turkish: "Görüş",
	level: "B1"
}, {
	french: "ENERGIE",
	english: "Energy",
	turkish: "Enerji",
	level: "B1"
}, {
	french: "PROJECT",
	english: "Project",
	turkish: "Proje",
	level: "B1"
}, {
	french: "RESULTAT",
	english: "Result",
	turkish: "Sonuç",
	level: "B1"
},
// B2 Level
{
	french: "CONSCIENCE",
	english: "Conscience",
	turkish: "Vicdan",
	level: "B2"
}, {
	french: "PHILOSOPHIE",
	english: "Philosophy",
	turkish: "Felsefe",
	level: "B2"
}, {
	french: "TECHNOLOGIE",
	english: "Technology",
	turkish: "Teknoloji",
	level: "B2"
}, {
	french: "ECONOMIE",
	english: "Economy",
	turkish: "Ekonomi",
	level: "B2"
}, {
	french: "POLITIQUE",
	english: "Politics",
	turkish: "Politika",
	level: "B2"
}, {
	french: "ENVIRONNEMENT",
	english: "Environment",
	turkish: "Çevre",
	level: "B2"
}, {
	french: "DEMOCRATIE",
	english: "Democracy",
	turkish: "Demokrasi",
	level: "B2"
}, {
	french: "INNOVATION",
	english: "Innovation",
	turkish: "İnovasyon",
	level: "B2"
}, {
	french: "GLOBALISATION",
	english: "Globalization",
	turkish: "Küreselleşme",
	level: "B2"
}, {
	french: "COMMUNICATION",
	english: "Communication",
	turkish: "İletişim",
	level: "B2"
},
// C1 Level
{
	french: "EPISTEMOLOGIE",
	english: "Epistemology",
	turkish: "Epistemoloji",
	level: "C1"
}, {
	french: "METAPHYSIQUE",
	english: "Metaphysics",
	turkish: "Metafizik",
	level: "C1"
}, {
	french: "PHENOMENOLOGIE",
	english: "Phenomenology",
	turkish: "Fenomenoloji",
	level: "C1"
}, {
	french: "HERMENEUTIQUE",
	english: "Hermeneutics",
	turkish: "Hermenötik",
	level: "C1"
}, {
	french: "DIALECTIQUE",
	english: "Dialectics",
	turkish: "Diyalektik",
	level: "C1"
}, {
	french: "EPISODIQUE",
	english: "Episodic",
	turkish: "Epizodik",
	level: "C1"
}, {
	french: "PARADIGME",
	english: "Paradigm",
	turkish: "Paradigma",
	level: "C1"
}, {
	french: "ONTOLOGIE",
	english: "Ontology",
	turkish: "Ontoloji",
	level: "C1"
}, {
	french: "SYNTHETIQUE",
	english: "Synthetic",
	turkish: "Sentetik",
	level: "C1"
}, {
	french: "EMPIRIQUE",
	english: "Empirical",
	turkish: "Ampirik",
	level: "C1"
}];
// Game variables
var gridSize = 10;
var cellSize = 160;
var grid = [];
var gridCells = [];
var targetWords = [];
var currentTargetWords = [];
var selectedCells = [];
var isDragging = false;
var currentSection = 1;
var wordsFoundInSection = 0;
// Score text
var scoreTxt = new Text2('Section: 1', {
	size: 80,
	fill: 0x333333
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
scoreTxt.y = 100;
// Create grid container
var gridContainer = new Container();
game.addChild(gridContainer);
// Create target words container
var targetWordsContainer = new Container();
game.addChild(targetWordsContainer);
// Initialize grid
function initializeGrid() {
	// Clear existing grid
	for (var i = 0; i < gridCells.length; i++) {
		for (var j = 0; j < gridCells[i].length; j++) {
			gridContainer.removeChild(gridCells[i][j]);
		}
	}
	grid = [];
	gridCells = [];
	// Create empty grid
	for (var row = 0; row < gridSize; row++) {
		grid[row] = [];
		gridCells[row] = [];
		for (var col = 0; col < gridSize; col++) {
			grid[row][col] = '';
		}
	}
	// Place target words in grid
	for (var w = 0; w < currentTargetWords.length; w++) {
		placeWordInGrid(currentTargetWords[w].french);
	}
	// Fill remaining cells with random letters
	var letters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
	for (var row = 0; row < gridSize; row++) {
		for (var col = 0; col < gridSize; col++) {
			if (grid[row][col] === '') {
				grid[row][col] = letters[Math.floor(Math.random() * letters.length)];
			}
		}
	}
	// Create visual grid cells
	var startX = 1024 - gridSize * cellSize / 2 + cellSize / 2;
	var startY = 400;
	for (var row = 0; row < gridSize; row++) {
		for (var col = 0; col < gridSize; col++) {
			var cell = new GridCell(grid[row][col], row, col);
			cell.x = startX + col * cellSize;
			cell.y = startY + row * cellSize;
			gridCells[row][col] = cell;
			gridContainer.addChild(cell);
		}
	}
}
function placeWordInGrid(word) {
	var placed = false;
	var attempts = 0;
	while (!placed && attempts < 100) {
		var direction = Math.floor(Math.random() * 4); // 0: horizontal, 1: vertical, 2: diagonal down-right, 3: diagonal down-left
		var row, col;
		if (direction === 0) {
			// horizontal
			row = Math.floor(Math.random() * gridSize);
			col = Math.floor(Math.random() * (gridSize - word.length + 1));
			var canPlace = true;
			for (var i = 0; i < word.length; i++) {
				if (col + i >= gridSize || grid[row][col + i] !== '' && grid[row][col + i] !== word[i]) {
					canPlace = false;
					break;
				}
			}
			if (canPlace) {
				for (var i = 0; i < word.length; i++) {
					if (col + i < gridSize) {
						grid[row][col + i] = word[i];
					}
				}
				placed = true;
			}
		} else if (direction === 1) {
			// vertical
			row = Math.floor(Math.random() * (gridSize - word.length + 1));
			col = Math.floor(Math.random() * gridSize);
			var canPlace = true;
			for (var i = 0; i < word.length; i++) {
				if (row + i >= gridSize || grid[row + i] && grid[row + i][col] !== '' && grid[row + i][col] !== word[i]) {
					canPlace = false;
					break;
				}
			}
			if (canPlace) {
				for (var i = 0; i < word.length; i++) {
					if (row + i < gridSize) {
						grid[row + i][col] = word[i];
					}
				}
				placed = true;
			}
		}
		attempts++;
	}
}
function selectTargetWords() {
	currentTargetWords = [];
	var availableWords = vocabularyDatabase.slice();
	for (var i = 0; i < 3; i++) {
		var randomIndex = Math.floor(Math.random() * availableWords.length);
		currentTargetWords.push(availableWords[randomIndex]);
		availableWords.splice(randomIndex, 1);
	}
}
function createTargetWordsDisplay() {
	// Clear existing target words
	while (targetWordsContainer.children.length > 0) {
		targetWordsContainer.removeChild(targetWordsContainer.children[0]);
	}
	targetWords = [];
	var startX = 1024 - 3 * 650 / 2 + 325;
	var yPos = 2500;
	for (var i = 0; i < currentTargetWords.length; i++) {
		var targetWord = new TargetWord(currentTargetWords[i].french, currentTargetWords[i].english, currentTargetWords[i].turkish, currentTargetWords[i].level);
		targetWord.x = startX + i * 650;
		targetWord.y = yPos;
		targetWords.push(targetWord);
		targetWordsContainer.addChild(targetWord);
	}
}
function getSelectedWord() {
	var word = '';
	for (var i = 0; i < selectedCells.length; i++) {
		word += selectedCells[i].letter;
	}
	return word;
}
function checkForWord() {
	var selectedWord = getSelectedWord();
	for (var i = 0; i < currentTargetWords.length; i++) {
		if (currentTargetWords[i].french === selectedWord && !targetWords[i].isFound) {
			// Word found!
			targetWords[i].markFound();
			// Mark cells as found
			for (var j = 0; j < selectedCells.length; j++) {
				selectedCells[j].setFound();
			}
			LK.getSound('wordFound').play();
			wordsFoundInSection++;
			if (wordsFoundInSection >= 3) {
				// Section complete
				LK.setTimeout(function () {
					LK.getSound('sectionComplete').play();
					startNewSection();
				}, 500);
			}
			break;
		}
	}
}
function startNewSection() {
	currentSection++;
	wordsFoundInSection = 0;
	scoreTxt.setText('Section: ' + currentSection);
	selectTargetWords();
	createTargetWordsDisplay();
	initializeGrid();
}
function clearSelection() {
	for (var i = 0; i < selectedCells.length; i++) {
		selectedCells[i].setSelected(false);
	}
	selectedCells = [];
}
function getCellAt(x, y) {
	// Calculate grid position based on start position and cell size
	var startX = 1024 - gridSize * cellSize / 2;
	var startY = 400;
	// Calculate which grid cell was touched directly from game coordinates
	var col = Math.floor((x - startX) / cellSize);
	var row = Math.floor((y - startY) / cellSize);
	// Check bounds and return cell if valid
	if (row >= 0 && row < gridSize && col >= 0 && col < gridSize) {
		return gridCells[row][col];
	}
	return null;
}
function isValidSelection(lastCell, newCell) {
	if (!lastCell) return true;
	var rowDiff = Math.abs(lastCell.row - newCell.row);
	var colDiff = Math.abs(lastCell.col - newCell.col);
	// Allow horizontal, vertical, and diagonal connections
	return rowDiff <= 1 && colDiff <= 1 && (rowDiff > 0 || colDiff > 0);
}
// Game events
game.down = function (x, y, obj) {
	var cell = getCellAt(x, y);
	if (cell && !cell.isFound) {
		isDragging = true;
		clearSelection();
		selectedCells.push(cell);
		cell.setSelected(true);
	}
};
game.move = function (x, y, obj) {
	if (!isDragging) return;
	var cell = getCellAt(x, y);
	if (cell && !cell.isFound) {
		var lastCell = selectedCells.length > 0 ? selectedCells[selectedCells.length - 1] : null;
		if (cell !== lastCell && isValidSelection(lastCell, cell)) {
			// Check if cell is already in selection
			var cellIndex = -1;
			for (var i = 0; i < selectedCells.length; i++) {
				if (selectedCells[i] === cell) {
					cellIndex = i;
					break;
				}
			}
			if (cellIndex >= 0) {
				// Remove cells after this one (backtracking)
				for (var i = selectedCells.length - 1; i > cellIndex; i--) {
					selectedCells[i].setSelected(false);
					selectedCells.splice(i, 1);
				}
			} else {
				// Add new cell to selection
				selectedCells.push(cell);
				cell.setSelected(true);
			}
		}
	}
};
game.up = function (x, y, obj) {
	if (isDragging) {
		isDragging = false;
		if (selectedCells.length > 0) {
			checkForWord();
		}
		clearSelection();
	}
};
// Initialize game
selectTargetWords();
createTargetWordsDisplay();
initializeGrid();