// === GÉNÉRATEURS AUTOMATIQUES D'EXERCICES ===

// === GÉNÉRATEUR DE VOCABULAIRE ===
class VocabularyGenerator {
    async generate(parsedContent, options = {}) {
        console.log('📚 VocabularyGenerator - Génération exercices vocabulaire');
        
        const exercises = [];
        const vocabulary = parsedContent.vocabulary || [];
        
        vocabulary.forEach((word, index) => {
            const exercise = this.createVocabularyExercise(word, index, options);
            exercises.push(exercise);
        });

        // Générer des exercices supplémentaires si demandé
        if (options.generateVariations) {
            exercises.push(...this.generateVariations(vocabulary, options));
        }

        return exercises;
    }

    createVocabularyExercise(word, index, options) {
        return {
            id: `vocab_${index + 1}`,
            type: 'vocabulary',
            difficulty: this.inferDifficulty(word),
            category: word.category || 'general',
            
            content: {
                english: word.english,
                french: word.french,
                phonetic: word.phonetic || this.generatePhonetic(word.english),
                context: word.context || word.category || '',
                tags: this.generateTags(word)
            },
            
            media: {
                image: word.image || null,
                audio: word.audio || null,
                icon: this.getIconForWord(word.english, word.category)
            },
            
            pedagogy: {
                learningObjective: `Apprendre le mot "${word.english}"`,
                prerequisites: [],
                followUp: this.suggestFollowUp(word),
                grammarFocus: 'vocabulary'
            },
            
            interaction: {
                type: options.interactionType || this.selectBestInteraction(word),
                validation: 'exact',
                hints: this.generateHints(word),
                feedback: {
                    correct: `Parfait ! "${word.english}" = "${word.french}" ${this.getIconForWord(word.english)}`,
                    incorrect: `Non, "${word.english}" signifie "${word.french}"`
                },
                alternatives: this.generateAlternatives(word)
            }
        };
    }

    inferDifficulty(word) {
        const length = word.english.length;
        const complexity = this.calculateComplexity(word.english);
        
        if (length <= 4 && complexity < 2) return 'easy';
        if (length <= 8 && complexity < 3) return 'medium';
        return 'hard';
    }

    calculateComplexity(word) {
        let complexity = 0;
        if (word.includes('th')) complexity++;
        if (word.includes('gh')) complexity++;
        if (word.match(/[aeiou]{2,}/)) complexity++;
        if (word.split('').some(c => 'xyz'.includes(c))) complexity++;
        return complexity;
    }

    generateTags(word) {
        const tags = [word.category || 'general'];
        
        // Tags basés sur la longueur
        if (word.english.length <= 4) tags.push('short');
        else if (word.english.length >= 8) tags.push('long');
        
        // Tags basés sur la catégorie
        if (word.category) {
            tags.push(word.category);
            if (['cat', 'dog', 'bird'].includes(word.english)) tags.push('pet');
            if (['red', 'blue', 'green'].includes(word.english)) tags.push('color');
        }
        
        return tags;
    }

    getIconForWord(word, category) {
        const wordIcons = {
            cat: '🐱', dog: '🐕', bird: '🐦', fish: '🐠',
            apple: '🍎', banana: '🍌', orange: '🍊',
            car: '🚗', house: '🏠', school: '🏫',
            book: '📚', pen: '✏️', pencil: '✏️'
        };
        
        if (wordIcons[word.toLowerCase()]) {
            return wordIcons[word.toLowerCase()];
        }
        
        const categoryIcons = {
            animals: '🐾', food: '🍎', transport: '🚗',
            family: '👨‍👩‍👧‍👦', colors: '🎨', numbers: '🔢'
        };
        
        return categoryIcons[category] || '📝';
    }

    selectBestInteraction(word) {
        // Sélection intelligente du type d'interaction
        if (word.category === 'actions') return 'gesture';
        if (word.english.length > 8) return 'type';
        if (word.image) return 'drag_drop';
        return 'click';
    }

    generateHints(word) {
        const hints = [];
        
        // Hint basé sur la catégorie
        if (word.category === 'animals') hints.push("C'est un animal");
        if (word.category === 'food') hints.push("On peut le manger");
        if (word.category === 'colors') hints.push("C'est une couleur");
        
        // Hint basé sur la longueur
        hints.push(`Ce mot a ${word.english.length} lettres`);
        
        // Hint basé sur la première lettre
        hints.push(`Commence par la lettre "${word.english[0].toUpperCase()}"`);
        
        return hints.slice(0, 3); // Max 3 hints
    }

    generateAlternatives(word) {
        // Générer des alternatives plausibles pour QCM
        const alternatives = [];
        
        // Pour l'instant, alternatives génériques
        // Dans une vraie implémentation, on utiliserait une base de données
        const commonWords = {
            animals: ['chien', 'oiseau', 'poisson', 'lapin'],
            food: ['pomme', 'banane', 'orange', 'pain'],
            colors: ['rouge', 'bleu', 'vert', 'jaune'],
            family: ['mère', 'père', 'frère', 'sœur']
        };
        
        const categoryAlts = commonWords[word.category] || ['mot1', 'mot2', 'mot3'];
        
        // Prendre 3 alternatives qui ne sont pas la bonne réponse
        return categoryAlts.filter(alt => alt !== word.french).slice(0, 3);
    }

    suggestFollowUp(word) {
        const followUp = [];
        
        if (word.category === 'animals') {
            followUp.push('pets', 'farm_animals', 'wild_animals');
        } else if (word.category === 'family') {
            followUp.push('family_relationships', 'family_activities');
        }
        
        return followUp;
    }

    generateVariations(vocabulary, options) {
        const variations = [];
        
        // Générer des exercices de synonymes/antonymes
        // Générer des exercices de catégorisation
        // Générer des exercices de construction de phrases
        
        return variations; // Pour l'instant vide
    }

    generatePhonetic(word) {
        // Génération basique de phonétique
        // Dans une vraie implémentation, utiliser une API de phonétique
        const basicPhonetic = {
            cat: '/kæt/', dog: '/dɔg/', bird: '/bɜrd/',
            apple: '/ˈæpəl/', house: '/haʊs/', book: '/bʊk/'
        };
        
        return basicPhonetic[word.toLowerCase()] || `/${word}/`;
    }
}

// === GÉNÉRATEUR DE PHRASES ===
class SentenceGenerator {
    async generate(parsedContent, options = {}) {
        console.log('📖 SentenceGenerator - Génération exercices phrases');
        
        const exercises = [];
        const sentences = parsedContent.sentences || [];
        
        sentences.forEach((sentence, index) => {
            const exercise = this.createSentenceExercise(sentence, index, options);
            exercises.push(exercise);
        });

        return exercises;
    }

    createSentenceExercise(sentence, index, options) {
        return {
            id: `sent_${index + 1}`,
            type: 'sentence',
            difficulty: this.inferSentenceDifficulty(sentence),
            category: sentence.category || 'general',
            
            content: {
                english: sentence.english,
                french: sentence.french || this.suggestTranslation(sentence.english),
                structure: this.analyzeSentenceStructure(sentence.english),
                context: sentence.context || 'general',
                tags: this.generateSentenceTags(sentence)
            },
            
            media: {
                icon: this.getSentenceIcon(sentence)
            },
            
            pedagogy: {
                learningObjective: `Comprendre et construire la phrase "${sentence.english}"`,
                prerequisites: this.extractPrerequisites(sentence.english),
                followUp: ['complex_sentences', 'questions'],
                grammarFocus: this.identifyGrammarFocus(sentence.english)
            },
            
            interaction: {
                type: 'build_sentence',
                validation: 'word_order',
                hints: this.generateSentenceHints(sentence),
                feedback: {
                    correct: `Excellent ! Tu as construit la phrase correctement ! ✨`,
                    incorrect: `Essaie de remettre les mots dans le bon ordre`
                }
            }
        };
    }

    inferSentenceDifficulty(sentence) {
        const wordCount = sentence.english.split(' ').length;
        const structure = sentence.structure || {};
        
        if (wordCount <= 4 && !structure.hasQuestion) return 'easy';
        if (wordCount <= 8) return 'medium';
        return 'hard';
    }

    analyzeSentenceStructure(sentence) {
        return {
            words: sentence.split(' '),
            wordCount: sentence.split(' ').length,
            hasQuestion: sentence.includes('?'),
            hasExclamation: sentence.includes('!'),
            hasComma: sentence.includes(','),
            startsWithCapital: /^[A-Z]/.test(sentence),
            tense: this.detectTense(sentence)
        };
    }

    detectTense(sentence) {
        if (sentence.includes(' am ') || sentence.includes(' is ') || sentence.includes(' are ')) {
            if (sentence.includes('ing')) return 'present_continuous';
            return 'present_simple';
        }
        if (sentence.includes(' was ') || sentence.includes(' were ')) return 'past_simple';
        if (sentence.includes(' will ')) return 'future_simple';
        return 'present_simple';
    }

    extractPrerequisites(sentence) {
        const prerequisites = [];
        const words = sentence.toLowerCase().split(' ');
        
        // Extraire les mots de vocabulaire importants
        const importantWords = words.filter(word => 
            word.length > 3 && 
            !['this', 'that', 'with', 'from', 'they', 'have', 'been'].includes(word)
        );
        
        return importantWords.slice(0, 3);
    }

    identifyGrammarFocus(sentence) {
        if (sentence.includes('?')) return 'questions';
        if (sentence.includes(' my ') || sentence.includes(' your ')) return 'possessives';
        if (sentence.includes(' is ') || sentence.includes(' are ')) return 'be_verb';
        if (sentence.includes('ing')) return 'present_continuous';
        return 'sentence_structure';
    }

    generateSentenceTags(sentence) {
        const tags = ['sentence'];
        
        if (sentence.english.includes('?')) tags.push('question');
        if (sentence.english.includes('!')) tags.push('exclamation');
        if (sentence.english.toLowerCase().includes('hello')) tags.push('greeting');
        if (sentence.english.toLowerCase().includes('my name')) tags.push('introduction');
        
        return tags;
    }

    getSentenceIcon(sentence) {
        if (sentence.english.includes('?')) return '❓';
        if (sentence.english.includes('!')) return '❗';
        if (sentence.english.toLowerCase().includes('hello')) return '👋';
        return '💬';
    }

    generateSentenceHints(sentence) {
        const hints = [];
        
        hints.push(`La phrase a ${sentence.english.split(' ').length} mots`);
        
        if (sentence.english.includes('?')) {
            hints.push("C'est une question");
        }
        
        const firstWord = sentence.english.split(' ')[0];
        hints.push(`Commence par "${firstWord}"`);
        
        return hints;
    }

    suggestTranslation(english) {
        // Traduction basique pour exemples
        const basicTranslations = {
            'Hello': 'Bonjour',
            'My name is': 'Je m\'appelle',
            'I am': 'Je suis',
            'How are you?': 'Comment allez-vous ?',
            'Thank you': 'Merci'
        };
        
        for (const [en, fr] of Object.entries(basicTranslations)) {
            if (english.includes(en)) {
                return english.replace(en, fr);
            }
        }
        
        return ''; // À traduire manuellement
    }
}

// === GÉNÉRATEUR DE DIALOGUES ===
class DialogueGenerator {
    async generate(parsedContent, options = {}) {
        console.log('💬 DialogueGenerator - Génération exercices dialogues');
        
        const exercises = [];
        
        if (parsedContent.dialogue) {
            const exercise = this.createDialogueExercise(parsedContent.dialogue, 0, options);
            exercises.push(exercise);
        }
        
        if (parsedContent.conversations) {
            parsedContent.conversations.forEach((conversation, index) => {
                const exercise = this.createConversationExercise(conversation, index, options);
                exercises.push(exercise);
            });
        }

        return exercises;
    }

    createDialogueExercise(dialogue, index, options) {
        return {
            id: `dial_${index + 1}`,
            type: 'dialogue',
            difficulty: this.inferDialogueDifficulty(dialogue),
            category: dialogue.scenario || 'conversation',
            
            content: {
                scenario: dialogue.scenario || 'conversation',
                english: this.extractDialogueTitle(dialogue),
                french: this.translateScenario(dialogue.scenario),
                conversation: dialogue.conversation.map(line => ({
                    speaker: line.speaker,
                    english: line.english || line.text,
                    french: line.french || this.suggestTranslation(line.english || line.text),
                    role: this.identifyRole(line)
                })),
                context: dialogue.scenario || 'general',
                tags: this.generateDialogueTags(dialogue)
            },
            
            media: {
                icon: this.getDialogueIcon(dialogue.scenario)
            },
            
            pedagogy: {
                learningObjective: `Participer à un dialogue : ${dialogue.scenario}`,
                prerequisites: this.extractDialoguePrerequisites(dialogue),
                followUp: ['advanced_dialogue', 'role_play'],
                grammarFocus: 'conversation_patterns'
            },
            
            interaction: {
                type: 'role_play',
                validation: 'dialogue_flow',
                userRole: this.selectUserRole(dialogue),
                hints: this.generateDialogueHints(dialogue),
                feedback: {
                    correct: `Parfait ! Tu maîtrises ce type de conversation ! 🎭`,
                    incorrect: `Essaie de suivre le flow naturel de la conversation`
                }
            }
        };
    }

    createConversationExercise(conversation, index, options) {
        return {
            id: `conv_${index + 1}`,
            type: 'dialogue',
            difficulty: 'medium',
            category: conversation.scene || 'conversation',
            
            content: {
                scenario: conversation.scene || `Conversation ${index + 1}`,
                english: `${conversation.speaker}: ${conversation.english}`,
                french: `${conversation.speaker}: ${conversation.french}`,
                conversation: [{
                    speaker: conversation.speaker,
                    english: conversation.english,
                    french: conversation.french,
                    role: 'statement'
                }],
                tags: ['conversation', 'dialogue']
            },
            
            interaction: {
                type: 'click',
                validation: 'exact'
            }
        };
    }

    inferDialogueDifficulty(dialogue) {
        const conversationLength = dialogue.conversation?.length || 1;
        const averageWordsPerLine = dialogue.conversation?.reduce((sum, line) => 
            sum + (line.english || line.text || '').split(' ').length, 0) / conversationLength || 5;
        
        if (conversationLength <= 2 && averageWordsPerLine <= 5) return 'easy';
        if (conversationLength <= 4 && averageWordsPerLine <= 8) return 'medium';
        return 'hard';
    }

    extractDialogueTitle(dialogue) {
        if (dialogue.title) return dialogue.title;
        if (dialogue.scenario) return this.beautifyScenario(dialogue.scenario);
        return 'Dialogue';
    }

    beautifyScenario(scenario) {
        const scenarios = {
            'greeting': 'Salutations',
            'restaurant': 'Au Restaurant',
            'shopping': 'Faire les Courses',
            'school': 'À l\'École',
            'family': 'En Famille'
        };
        
        return scenarios[scenario] || scenario;
    }

    translateScenario(scenario) {
        const translations = {
            'greeting': 'Se saluer',
            'restaurant': 'Commander au restaurant',
            'shopping': 'Acheter quelque chose',
            'school': 'Parler à l\'école',
            'family': 'Conversation familiale'
        };
        
        return translations[scenario] || scenario;
    }

    identifyRole(line) {
        const text = (line.english || line.text || '').toLowerCase();
        
        if (text.includes('?')) return 'question';
        if (text.includes('hello') || text.includes('hi')) return 'greeting';
        if (text.includes('thank')) return 'thanks';
        if (text.includes('goodbye') || text.includes('bye')) return 'farewell';
        return 'statement';
    }

    generateDialogueTags(dialogue) {
        const tags = ['dialogue', 'conversation'];
        
        if (dialogue.scenario) tags.push(dialogue.scenario);
        
        const hasQuestion = dialogue.conversation?.some(line => 
            (line.english || line.text || '').includes('?'));
        if (hasQuestion) tags.push('questions');
        
        return tags;
    }

    getDialogueIcon(scenario) {
        const icons = {
            'greeting': '👋',
            'restaurant': '🍽️',
            'shopping': '🛒',
            'school': '🎒',
            'family': '👨‍👩‍👧‍👦',
            'friends': '👫'
        };
        
        return icons[scenario] || '💬';
    }

    selectUserRole(dialogue) {
        // Sélectionner le rôle que l'utilisateur va jouer
        const speakers = dialogue.conversation?.map(line => line.speaker) || [];
        const uniqueSpeakers = [...new Set(speakers)];
        
        // Privilégier certains rôles
        if (uniqueSpeakers.includes('student')) return 'student';
        if (uniqueSpeakers.includes('child')) return 'child';
        if (uniqueSpeakers.includes('customer')) return 'customer';
        
        // Sinon, prendre le premier
        return uniqueSpeakers[0] || 'person1';
    }

    extractDialoguePrerequisites(dialogue) {
        const prerequisites = new Set();
        
        dialogue.conversation?.forEach(line => {
            const text = line.english || line.text || '';
            const words = text.toLowerCase().split(' ');
            
            // Extraire mots importants
            words.forEach(word => {
                if (word.length > 3 && !['this', 'that', 'with', 'they', 'have'].includes(word)) {
                    prerequisites.add(word);
                }
            });
        });
        
        return Array.from(prerequisites).slice(0, 5);
    }

    generateDialogueHints(dialogue) {
        const hints = [];
        
        hints.push(`Cette conversation a ${dialogue.conversation?.length || 1} répliques`);
        
        if (dialogue.scenario) {
            hints.push(`Le contexte est : ${dialogue.scenario}`);
        }
        
        const hasQuestions = dialogue.conversation?.some(line => 
            (line.english || line.text || '').includes('?'));
        if (hasQuestions) {
            hints.push('Il y a des questions dans cette conversation');
        }
        
        return hints;
    }

    suggestTranslation(english) {
        // Utiliser le même système que SentenceGenerator
        return new SentenceGenerator().suggestTranslation(english);
    }
}

// === GÉNÉRATEUR DE SÉQUENCES ===
class SequenceGenerator {
    async generate(parsedContent, options = {}) {
        console.log('📋 SequenceGenerator - Génération exercices séquences');
        
        const exercises = [];
        
        if (parsedContent.sequence) {
            const exercise = this.createSequenceExercise(parsedContent.sequence, 0, options);
            exercises.push(exercise);
        }

        return exercises;
    }

    createSequenceExercise(sequence, index, options) {
        return {
            id: `seq_${index + 1}`,
            type: 'sequence',
            difficulty: this.inferSequenceDifficulty(sequence),
            category: this.inferSequenceCategory(sequence),
            
            content: {
                english: sequence.title || 'Sequence',
                french: this.translateSequenceTitle(sequence.title),
                title: sequence.title || 'Sequence',
                steps: sequence.steps.map(step => ({
                    order: step.order,
                    english: step.english,
                    french: step.french || this.suggestStepTranslation(step.english),
                    icon: this.getStepIcon(step.english),
                    time: this.extractTime(step)
                })),
                context: this.inferContext(sequence),
                tags: this.generateSequenceTags(sequence)
            },
            
            media: {
                icon: this.getSequenceIcon(sequence)
            },
            
            pedagogy: {
                learningObjective: `Comprendre l'ordre chronologique : ${sequence.title}`,
                prerequisites: this.extractSequencePrerequisites(sequence),
                followUp: ['time_expressions', 'daily_routine'],
                grammarFocus: 'sequence_connectors'
            },
            
            interaction: {
                type: 'chronological_order',
                validation: 'sequence_correct',
                hints: this.generateSequenceHints(sequence),
                feedback: {
                    correct: `Parfait ! Tu connais l'ordre correct ! ⏰`,
                    incorrect: `Réfléchis à l'ordre logique des étapes`
                }
            }
        };
    }

    inferSequenceDifficulty(sequence) {
        const stepCount = sequence.steps?.length || 1;
        const avgWordsPerStep = sequence.steps?.reduce((sum, step) => 
            sum + step.english.split(' ').length, 0) / stepCount || 3;
        
        if (stepCount <= 3 && avgWordsPerStep <= 4) return 'easy';
        if (stepCount <= 5 && avgWordsPerStep <= 6) return 'medium';
        return 'hard';
    }

    inferSequenceCategory(sequence) {
        const title = sequence.title?.toLowerCase() || '';
        const allText = sequence.steps?.map(s => s.english.toLowerCase()).join(' ') || '';
        
        if (title.includes('morning') || allText.includes('wake up') || allText.includes('breakfast')) {
            return 'daily_routine';
        }
        if (title.includes('recipe') || allText.includes('cook') || allText.includes('mix')) {
            return 'cooking';
        }
        if (title.includes('story') || allText.includes('once upon')) {
            return 'story';
        }
        
        return 'sequence';
    }

    translateSequenceTitle(title) {
        const translations = {
            'Morning Routine': 'Routine du Matin',
            'Getting Ready': 'Se Préparer',
            'Cooking Recipe': 'Recette de Cuisine',
            'Story': 'Histoire'
        };
        
        return translations[title] || title;
    }

    suggestStepTranslation(english) {
        const stepTranslations = {
            'Wake up': 'Se réveiller',
            'Get dressed': 'S\'habiller',
            'Eat breakfast': 'Prendre le petit-déjeuner',
            'Go to school': 'Aller à l\'école',
            'Brush teeth': 'Se brosser les dents'
        };
        
        return stepTranslations[english] || '';
    }

    getStepIcon(stepText) {
        const icons = {
            'wake up': '⏰', 'get dressed': '👕', 'breakfast': '🥞',
            'school': '🎒', 'brush': '🪥', 'wash': '🧼',
            'cook': '🍳', 'mix': '🥄', 'bake': '🔥'
        };
        
        const lowerText = stepText.toLowerCase();
        
        for (const [key, icon] of Object.entries(icons)) {
            if (lowerText.includes(key)) return icon;
        }
        
        return '📝';
    }

    extractTime(step) {
        // Extraire indication de temps du texte
        const timeMatch = step.english.match(/\d{1,2}:\d{2}|\d{1,2}(am|pm)/i);
        return timeMatch ? timeMatch[0] : null;
    }

    inferContext(sequence) {
        const category = this.inferSequenceCategory(sequence);
        
        const contexts = {
            'daily_routine': 'routine quotidienne',
            'cooking': 'cuisine',
            'story': 'histoire',
            'sequence': 'étapes'
        };
        
        return contexts[category] || 'séquence';
    }

    generateSequenceTags(sequence) {
        const tags = ['sequence', 'chronological'];
        
        const category = this.inferSequenceCategory(sequence);
        tags.push(category);
        
        if (sequence.steps?.some(step => this.extractTime(step))) {
            tags.push('time');
        }
        
        return tags;
    }

    getSequenceIcon(sequence) {
        const category = this.inferSequenceCategory(sequence);
        
        const icons = {
            'daily_routine': '🌅',
            'cooking': '👨‍🍳',
            'story': '📖',
            'sequence': '📋'
        };
        
        return icons[category] || '📋';
    }

    extractSequencePrerequisites(sequence) {
        const prerequisites = new Set();
        
        sequence.steps?.forEach(step => {
            const words = step.english.toLowerCase().split(' ');
            
            // Verbes d'action importants
            const actionVerbs = words.filter(word => 
                ['wake', 'get', 'eat', 'go', 'brush', 'wash', 'cook', 'mix'].some(verb => 
                    word.includes(verb)
                )
            );
            
            actionVerbs.forEach(verb => prerequisites.add(verb));
        });
        
        return Array.from(prerequisites).slice(0, 4);
    }

    generateSequenceHints(sequence) {
        const hints = [];
        
        hints.push(`Cette séquence a ${sequence.steps?.length || 0} étapes`);
        
        const category = this.inferSequenceCategory(sequence);
        if (category === 'daily_routine') {
            hints.push('Pense à ton ordre habituel du matin');
        } else if (category === 'cooking') {
            hints.push('Quelle est la logique de la recette ?');
        }
        
        const firstStep = sequence.steps?.[0];
        if (firstStep) {
            hints.push(`La première étape est : "${firstStep.english}"`);
        }
        
        return hints;
    }
}

// === GÉNÉRATEUR AUTOMATIQUE ===
class AutoGenerator {
    async generate(parsedContent, options = {}) {
        console.log('🤖 AutoGenerator - Génération automatique intelligente');
        
        const exercises = [];
        
        // Détecter et générer selon ce qui est disponible
        if (parsedContent.vocabulary?.length > 0) {
            const vocabGen = new VocabularyGenerator();
            const vocabExercises = await vocabGen.generate(parsedContent, options);
            exercises.push(...vocabExercises);
        }
        
        if (parsedContent.sentences?.length > 0) {
            const sentGen = new SentenceGenerator();
            const sentExercises = await sentGen.generate(parsedContent, options);
            exercises.push(...sentExercises);
        }
        
        if (parsedContent.dialogue) {
            const dialogGen = new DialogueGenerator();
            const dialogExercises = await dialogGen.generate(parsedContent, options);
            exercises.push(...dialogExercises);
        }
        
        if (parsedContent.sequence) {
            const seqGen = new SequenceGenerator();
            const seqExercises = await seqGen.generate(parsedContent, options);
            exercises.push(...seqExercises);
        }
        
        // Si rien de spécifique n'a été détecté, créer du contenu basique
        if (exercises.length === 0) {
            exercises.push(this.createFallbackExercise(parsedContent, options));
        }
        
        return exercises;
    }

    createFallbackExercise(parsedContent, options) {
        return {
            id: 'auto_001',
            type: 'vocabulary',
            difficulty: 'easy',
            category: 'general',
            
            content: {
                english: 'text',
                french: 'texte',
                context: 'Contenu généré automatiquement',
                tags: ['auto-generated']
            },
            
            interaction: {
                type: 'click',
                validation: 'exact',
                feedback: {
                    correct: 'Bonne réponse !',
                    incorrect: 'Essaie encore'
                }
            }
        };
    }
}

// Export global
window.VocabularyGenerator = VocabularyGenerator;
window.SentenceGenerator = SentenceGenerator;
window.DialogueGenerator = DialogueGenerator;
window.SequenceGenerator = SequenceGenerator;
window.AutoGenerator = AutoGenerator;