// === MODULE WHACK-A-MOLE HARD ===

class WhackAMoleHardGame {
    constructor(options) {
        this.container = options.container;
        this.content = options.content;
        this.onScoreUpdate = options.onScoreUpdate || (() => {});
        this.onGameEnd = options.onGameEnd || (() => {});
        
        // État du jeu
        this.score = 0;
        this.errors = 0;
        this.maxErrors = 5;
        this.gameTime = 60; // 60 secondes
        this.timeLeft = this.gameTime;
        this.isRunning = false;
        this.gameMode = 'translation'; // 'translation', 'image', 'sound'
        
        // Configuration des taupes
        this.holes = [];
        this.activeMoles = [];
        this.moleAppearTime = 3000; // 3 secondes d'affichage (plus long)
        this.spawnRate = 2000; // Nouvelle vague toutes les 2 secondes
        this.molesPerWave = 3; // 3 taupes par vague
        
        // Timers
        this.gameTimer = null;
        this.spawnTimer = null;
        
        // Vocabulaire pour ce jeu - adapté pour le nouveau système
        this.vocabulary = this.extractVocabulary(this.content);
        this.currentWords = [];
        this.targetWord = null;
        
        // Système de garantie pour le mot cible
        this.spawnsSinceTarget = 0;
        this.maxSpawnsWithoutTarget = 10; // Le mot cible doit apparaître dans les 10 prochaines taupes (1/10 chance)
        
        this.init();
    }

    init() {
        // Vérifier que nous avons du vocabulaire
        if (!this.vocabulary || this.vocabulary.length === 0) {
            console.error('Aucun vocabulaire disponible pour Whack-a-Mole');
            this.showInitError();
            return;
        }
        
        this.createGameBoard();
        this.createGameUI();
        this.setupEventListeners();
    }
    
    showInitError() {
        this.container.innerHTML = `
            <div class="game-error">
                <h3>❌ Erreur de chargement</h3>
                <p>Ce contenu ne contient pas de vocabulaire compatible avec Whack-a-Mole.</p>
                <p>Le jeu nécessite des mots avec leurs traductions.</p>
                <button onclick="AppNavigation.goBack()" class="back-btn">← Retour</button>
            </div>
        `;
    }

    createGameBoard() {
        this.container.innerHTML = `
            <div class="whack-game-wrapper">
                <!-- Mode Selection -->
                <div class="mode-selector">
                    <button class="mode-btn active" data-mode="translation">
                        🔤 Translation
                    </button>
                    <button class="mode-btn" data-mode="image">
                        🖼️ Image (soon)
                    </button>
                    <button class="mode-btn" data-mode="sound">
                        🔊 Sound (soon)
                    </button>
                </div>

                <!-- Game Info -->
                <div class="game-info">
                    <div class="game-stats">
                        <div class="stat-item">
                            <span class="stat-value" id="time-left">${this.timeLeft}</span>
                            <span class="stat-label">Time</span>
                        </div>
                        <div class="stat-item">
                            <span class="stat-value" id="errors-count">${this.errors}</span>
                            <span class="stat-label">Errors</span>
                        </div>
                        <div class="stat-item">
                            <span class="stat-value" id="target-word">---</span>
                            <span class="stat-label">Find</span>
                        </div>
                    </div>
                    <div class="game-controls">
                        <button class="control-btn" id="start-btn">🎮 Start</button>
                        <button class="control-btn" id="pause-btn" disabled>⏸️ Pause</button>
                        <button class="control-btn" id="restart-btn">🔄 Restart</button>
                    </div>
                </div>

                <!-- Game Board -->
                <div class="whack-game-board hard-mode" id="game-board">
                    <!-- Les trous seront générés ici (5x3 = 15 trous) -->
                </div>

                <!-- Feedback Area -->
                <div class="feedback-area" id="feedback-area">
                    <div class="instruction">
                        Select a mode and click Start!
                    </div>
                </div>
            </div>
        `;

        this.createHoles();
    }

    createHoles() {
        const gameBoard = document.getElementById('game-board');
        gameBoard.innerHTML = '';

        for (let i = 0; i < 15; i++) { // 5x3 = 15 trous
            const hole = document.createElement('div');
            hole.className = 'whack-hole';
            hole.dataset.holeId = i;
            
            hole.innerHTML = `
                <div class="whack-mole" data-hole="${i}">
                    <div class="word"></div>
                </div>
            `;

            gameBoard.appendChild(hole);
            this.holes.push({
                element: hole,
                mole: hole.querySelector('.whack-mole'),
                wordElement: hole.querySelector('.word'),
                isActive: false,
                word: null,
                timer: null
            });
        }
    }

    createGameUI() {
        // Les éléments UI sont déjà créés dans createGameBoard
    }

    setupEventListeners() {
        // Mode selection
        document.querySelectorAll('.mode-btn').forEach(btn => {
            btn.addEventListener('click', (e) => {
                if (this.isRunning) return;
                
                document.querySelectorAll('.mode-btn').forEach(b => b.classList.remove('active'));
                btn.classList.add('active');
                this.gameMode = btn.dataset.mode;
                
                if (this.gameMode !== 'translation') {
                    this.showFeedback('This mode will be available soon!', 'info');
                    // Return to translation mode
                    document.querySelector('.mode-btn[data-mode="translation"]').classList.add('active');
                    btn.classList.remove('active');
                    this.gameMode = 'translation';
                }
            });
        });

        // Game controls
        document.getElementById('start-btn').addEventListener('click', () => this.start());
        document.getElementById('pause-btn').addEventListener('click', () => this.pause());
        document.getElementById('restart-btn').addEventListener('click', () => this.restart());

        // Mole clicks
        this.holes.forEach((hole, index) => {
            hole.mole.addEventListener('click', () => this.hitMole(index));
        });
    }

    start() {
        if (this.isRunning) return;

        this.isRunning = true;
        this.score = 0;
        this.errors = 0;
        this.timeLeft = this.gameTime;
        
        this.updateUI();
        this.setNewTarget();
        this.startTimers();
        
        document.getElementById('start-btn').disabled = true;
        document.getElementById('pause-btn').disabled = false;
        
        this.showFeedback(`Find the word: "${this.targetWord.french}"`, 'info');
        
        // Show loaded content info
        const contentName = this.content.name || 'Content';
        console.log(`🎮 Whack-a-Mole started with: ${contentName} (${this.vocabulary.length} words)`);
    }

    pause() {
        if (!this.isRunning) return;

        this.isRunning = false;
        this.stopTimers();
        this.hideAllMoles();
        
        document.getElementById('start-btn').disabled = false;
        document.getElementById('pause-btn').disabled = true;
        
        this.showFeedback('Game paused', 'info');
    }

    restart() {
        this.stopWithoutEnd(); // Arrêter sans déclencher la fin de jeu
        this.resetGame();
        setTimeout(() => this.start(), 100);
    }

    stop() {
        this.stopWithoutEnd();
        this.onGameEnd(this.score); // Déclencher la fin de jeu seulement ici
    }
    
    stopWithoutEnd() {
        this.isRunning = false;
        this.stopTimers();
        this.hideAllMoles();
        
        document.getElementById('start-btn').disabled = false;
        document.getElementById('pause-btn').disabled = true;
    }

    resetGame() {
        // S'assurer que tout est complètement arrêté
        this.stopWithoutEnd();
        
        // Reset de toutes les variables d'état
        this.score = 0;
        this.errors = 0;
        this.timeLeft = this.gameTime;
        this.isRunning = false;
        this.targetWord = null;
        this.activeMoles = [];
        this.spawnsSinceTarget = 0; // Reset du compteur de garantie
        
        // S'assurer que tous les timers sont bien arrêtés
        this.stopTimers();
        
        // Reset UI
        this.updateUI();
        this.onScoreUpdate(0);
        
        // Clear feedback
        document.getElementById('target-word').textContent = '---';
        this.showFeedback('Select a mode and click Start!', 'info');
        
        // Reset buttons
        document.getElementById('start-btn').disabled = false;
        document.getElementById('pause-btn').disabled = true;
        
        // Clear all holes avec vérification
        this.holes.forEach(hole => {
            if (hole.timer) {
                clearTimeout(hole.timer);
                hole.timer = null;
            }
            hole.isActive = false;
            hole.word = null;
            if (hole.wordElement) {
                hole.wordElement.textContent = '';
            }
            if (hole.mole) {
                hole.mole.classList.remove('active', 'hit');
            }
        });
        
        console.log('🔄 Game completely reset');
    }

    startTimers() {
        // Timer principal du jeu
        this.gameTimer = setInterval(() => {
            this.timeLeft--;
            this.updateUI();
            
            if (this.timeLeft <= 0 && this.isRunning) {
                this.stop();
            }
        }, 1000);

        // Timer d'apparition des taupes
        this.spawnTimer = setInterval(() => {
            if (this.isRunning) {
                this.spawnMole();
            }
        }, this.spawnRate);

        // Première taupe immédiate
        setTimeout(() => this.spawnMole(), 500);
    }

    stopTimers() {
        if (this.gameTimer) {
            clearInterval(this.gameTimer);
            this.gameTimer = null;
        }
        if (this.spawnTimer) {
            clearInterval(this.spawnTimer);
            this.spawnTimer = null;
        }
    }

    spawnMole() {
        // Mode Hard: Spawn 3 taupes à la fois
        this.spawnMultipleMoles();
    }
    
    spawnMultipleMoles() {
        // Trouver tous les trous libres
        const availableHoles = this.holes.filter(hole => !hole.isActive);
        
        // Spawn jusqu'à 3 taupes (ou moins si pas assez de trous libres)
        const molesToSpawn = Math.min(this.molesPerWave, availableHoles.length);
        
        if (molesToSpawn === 0) return;
        
        // Mélanger les trous disponibles
        const shuffledHoles = this.shuffleArray(availableHoles);
        
        // Spawn les taupes
        for (let i = 0; i < molesToSpawn; i++) {
            const hole = shuffledHoles[i];
            const holeIndex = this.holes.indexOf(hole);
            
            // Choisir un mot selon la stratégie de garantie
            const word = this.getWordWithTargetGuarantee();
            
            // Activer la taupe avec un petit délai pour un effet visuel
            setTimeout(() => {
                if (this.isRunning && !hole.isActive) {
                    this.activateMole(holeIndex, word);
                }
            }, i * 200); // Délai de 200ms entre chaque taupe
        }
    }
    
    getWordWithTargetGuarantee() {
        // Incrémenter le compteur de spawns depuis le dernier mot cible
        this.spawnsSinceTarget++;
        
        // Si on a atteint la limite, forcer le mot cible
        if (this.spawnsSinceTarget >= this.maxSpawnsWithoutTarget) {
            console.log(`🎯 Spawn forcé du mot cible après ${this.spawnsSinceTarget} tentatives`);
            this.spawnsSinceTarget = 0;
            return this.targetWord;
        }
        
        // Sinon, 10% de chance d'avoir le mot cible (1/10 au lieu de 1/2)
        if (Math.random() < 0.1) {
            console.log('🎯 Spawn naturel du mot cible (1/10)');
            this.spawnsSinceTarget = 0;
            return this.targetWord;
        } else {
            return this.getRandomWord();
        }
    }

    activateMole(holeIndex, word) {
        const hole = this.holes[holeIndex];
        if (hole.isActive) return;

        hole.isActive = true;
        hole.word = word;
        hole.wordElement.textContent = word.english;
        hole.mole.classList.add('active');

        // Ajouter à la liste des taupes actives
        this.activeMoles.push(holeIndex);

        // Timer pour faire disparaître la taupe
        hole.timer = setTimeout(() => {
            this.deactivateMole(holeIndex);
        }, this.moleAppearTime);
    }

    deactivateMole(holeIndex) {
        const hole = this.holes[holeIndex];
        if (!hole.isActive) return;

        hole.isActive = false;
        hole.word = null;
        hole.wordElement.textContent = '';
        hole.mole.classList.remove('active');

        if (hole.timer) {
            clearTimeout(hole.timer);
            hole.timer = null;
        }

        // Retirer de la liste des taupes actives
        const activeIndex = this.activeMoles.indexOf(holeIndex);
        if (activeIndex > -1) {
            this.activeMoles.splice(activeIndex, 1);
        }
    }

    hitMole(holeIndex) {
        if (!this.isRunning) return;

        const hole = this.holes[holeIndex];
        if (!hole.isActive || !hole.word) return;

        const isCorrect = hole.word.french === this.targetWord.french;

        if (isCorrect) {
            // Bonne réponse
            this.score += 10;
            this.deactivateMole(holeIndex);
            this.setNewTarget();
            this.showScorePopup(holeIndex, '+10', true);
            this.showFeedback(`Well done! Now find: "${this.targetWord.french}"`, 'success');
            
            // Success animation
            hole.mole.classList.add('hit');
            setTimeout(() => hole.mole.classList.remove('hit'), 500);
            
        } else {
            // Wrong answer
            this.errors++;
            this.score = Math.max(0, this.score - 2);
            this.showScorePopup(holeIndex, '-2', false);
            this.showFeedback(`Oops! "${hole.word.french}" ≠ "${this.targetWord.french}"`, 'error');
        }

        this.updateUI();
        this.onScoreUpdate(this.score);

        // Check game end by errors
        if (this.errors >= this.maxErrors) {
            this.showFeedback('Too many errors! Game over.', 'error');
            setTimeout(() => {
                if (this.isRunning) { // Check if game is still running
                    this.stop();
                }
            }, 1500);
        }
    }

    setNewTarget() {
        // Choisir un nouveau mot cible
        const availableWords = this.vocabulary.filter(word => 
            !this.activeMoles.some(moleIndex => 
                this.holes[moleIndex].word && 
                this.holes[moleIndex].word.english === word.english
            )
        );

        if (availableWords.length > 0) {
            this.targetWord = availableWords[Math.floor(Math.random() * availableWords.length)];
        } else {
            this.targetWord = this.vocabulary[Math.floor(Math.random() * this.vocabulary.length)];
        }
        
        // Reset du compteur pour le nouveau mot cible
        this.spawnsSinceTarget = 0;
        console.log(`🎯 Nouveau mot cible: ${this.targetWord.english} -> ${this.targetWord.french}`);

        document.getElementById('target-word').textContent = this.targetWord.french;
    }

    getRandomWord() {
        return this.vocabulary[Math.floor(Math.random() * this.vocabulary.length)];
    }

    hideAllMoles() {
        this.holes.forEach((hole, index) => {
            if (hole.isActive) {
                this.deactivateMole(index);
            }
        });
        this.activeMoles = [];
    }

    showScorePopup(holeIndex, scoreText, isPositive) {
        const hole = this.holes[holeIndex];
        const popup = document.createElement('div');
        popup.className = `score-popup ${isPositive ? 'correct-answer' : 'wrong-answer'}`;
        popup.textContent = scoreText;
        
        const rect = hole.element.getBoundingClientRect();
        popup.style.left = rect.left + rect.width / 2 + 'px';
        popup.style.top = rect.top + 'px';
        
        document.body.appendChild(popup);
        
        setTimeout(() => {
            if (popup.parentNode) {
                popup.parentNode.removeChild(popup);
            }
        }, 1000);
    }

    showFeedback(message, type = 'info') {
        const feedbackArea = document.getElementById('feedback-area');
        feedbackArea.innerHTML = `<div class="instruction ${type}">${message}</div>`;
    }

    updateUI() {
        document.getElementById('time-left').textContent = this.timeLeft;
        document.getElementById('errors-count').textContent = this.errors;
    }

    extractVocabulary(content) {
        let vocabulary = [];
        
        console.log('🔍 Extraction vocabulaire depuis:', content?.name || 'contenu');
        
        // Priorité 1: Utiliser le contenu brut du module (format simple)
        if (content.rawContent) {
            console.log('📦 Utilisation du contenu brut du module');
            return this.extractVocabularyFromRaw(content.rawContent);
        }
        
        // Priorité 2: Format simple avec vocabulary object (nouveau format préféré)
        if (content.vocabulary && typeof content.vocabulary === 'object' && !Array.isArray(content.vocabulary)) {
            console.log('✨ Format simple détecté (vocabulary object)');
            vocabulary = Object.entries(content.vocabulary).map(([english, translation]) => ({
                english: english,
                french: translation.split('；')[0], // Prendre la première traduction si plusieurs
                chinese: translation, // Garder la traduction complète en chinois
                category: 'general'
            }));
        }
        // Priorité 3: Format legacy avec vocabulary array
        else if (content.vocabulary && Array.isArray(content.vocabulary)) {
            console.log('📚 Format legacy détecté (vocabulary array)');
            vocabulary = content.vocabulary.filter(word => word.english && word.french);
        }
        // Priorité 4: Format moderne avec contentItems
        else if (content.contentItems && Array.isArray(content.contentItems)) {
            console.log('🆕 Format contentItems détecté');
            vocabulary = content.contentItems
                .filter(item => item.type === 'vocabulary' && item.english && item.french)
                .map(item => ({
                    english: item.english,
                    french: item.french,
                    image: item.image || null,
                    category: item.category || 'general'
                }));
        }
        
        return this.finalizeVocabulary(vocabulary);
    }
    
    extractVocabularyFromRaw(rawContent) {
        console.log('🔧 Extraction depuis contenu brut:', rawContent.name || 'Module');
        let vocabulary = [];
        
        // Format simple avec vocabulary object (PRÉFÉRÉ)
        if (rawContent.vocabulary && typeof rawContent.vocabulary === 'object' && !Array.isArray(rawContent.vocabulary)) {
            vocabulary = Object.entries(rawContent.vocabulary).map(([english, translation]) => ({
                english: english,
                french: translation.split('；')[0], // Première traduction pour le français
                chinese: translation, // Traduction complète en chinois
                category: 'general'
            }));
            console.log(`✨ ${vocabulary.length} mots extraits depuis vocabulary object (format simple)`);
        }
        // Format legacy (vocabulary array)
        else if (rawContent.vocabulary && Array.isArray(rawContent.vocabulary)) {
            vocabulary = rawContent.vocabulary.filter(word => word.english && word.french);
            console.log(`📚 ${vocabulary.length} mots extraits depuis vocabulary array`);
        }
        // Format contentItems (ancien format complexe)
        else if (rawContent.contentItems && Array.isArray(rawContent.contentItems)) {
            vocabulary = rawContent.contentItems
                .filter(item => item.type === 'vocabulary' && item.english && item.french)
                .map(item => ({
                    english: item.english,
                    french: item.french,
                    image: item.image || null,
                    category: item.category || 'general'
                }));
            console.log(`📝 ${vocabulary.length} mots extraits depuis contentItems`);
        }
        // Fallback
        else {
            console.warn('⚠️ Format de contenu brut non reconnu');
        }
        
        return this.finalizeVocabulary(vocabulary);
    }
    
    finalizeVocabulary(vocabulary) {
        // Validation et nettoyage
        vocabulary = vocabulary.filter(word => 
            word && 
            typeof word.english === 'string' && 
            typeof word.french === 'string' &&
            word.english.trim() !== '' &&
            word.french.trim() !== ''
        );
        
        if (vocabulary.length === 0) {
            console.error('❌ Aucun vocabulaire valide trouvé');
            // Vocabulaire de démonstration en dernier recours
            vocabulary = [
                { english: 'hello', french: 'bonjour', category: 'greetings' },
                { english: 'goodbye', french: 'au revoir', category: 'greetings' },
                { english: 'thank you', french: 'merci', category: 'greetings' },
                { english: 'cat', french: 'chat', category: 'animals' },
                { english: 'dog', french: 'chien', category: 'animals' }
            ];
            console.warn('🚨 Utilisation du vocabulaire de démonstration');
        }
        
        console.log(`✅ Whack-a-Mole: ${vocabulary.length} mots de vocabulaire finalisés`);
        return this.shuffleArray(vocabulary);
    }

    shuffleArray(array) {
        const shuffled = [...array];
        for (let i = shuffled.length - 1; i > 0; i--) {
            const j = Math.floor(Math.random() * (i + 1));
            [shuffled[i], shuffled[j]] = [shuffled[j], shuffled[i]];
        }
        return shuffled;
    }

    destroy() {
        this.stop();
        this.container.innerHTML = '';
    }
}

// Enregistrement du module
window.GameModules = window.GameModules || {};
window.GameModules.WhackAMoleHard = WhackAMoleHardGame;