704fed1191
- Ne plus auto-scroller vers Memory Echo : pastille bas de page + reset scroll au titre - Badges notes/carnets générés par l’IA dans la sidebar - Wizard : langue du contenu = langue de la requête ; refresh carnet après création - Voix : erreurs not-allowed/no-speech moins bruyantes
391 lines
16 KiB
TypeScript
391 lines
16 KiB
TypeScript
import { getChatProvider } from '../factory'
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import { getSystemConfig } from '@/lib/config'
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import { preprocessMathInHtml } from '@/lib/text/math-preprocess'
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import { LanguageDetectionService } from './language-detection.service'
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export interface GeneratedNote {
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title: string
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content: string
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difficulty?: 'facile' | 'moyen' | 'difficile' | 'easy' | 'medium' | 'hard'
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}
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export interface GeneratedCarnet {
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/** Short notebook title (not the raw user prompt). */
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notebookName?: string
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notes: GeneratedNote[]
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schemaProperties: Array<{ name: string; type: string; options?: string[] }>
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/** Language actually used for generation (ISO 639-1). */
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contentLanguage?: string
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}
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export type WizardProfile = 'student' | 'teacher' | 'engineer'
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const LANG_NAMES: Record<string, string> = {
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fr: 'français',
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en: 'English',
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fa: 'فارسی',
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ar: 'العربية',
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de: 'Deutsch',
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es: 'Español',
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it: 'Italiano',
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pt: 'Português',
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ru: 'Русский',
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zh: '中文',
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ja: '日本語',
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ko: '한국어',
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nl: 'Nederlands',
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pl: 'Polski',
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hi: 'हिन्दी',
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}
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/** Word-count targets by level */
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function wordTargetsForLevel(level?: string): { min: number; max: number; label: string } {
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const l = (level || '').toLowerCase()
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if (/expert|avancé|advanced|fort/.test(l)) {
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return { min: 400, max: 800, label: 'expert (400–800 words per note)' }
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}
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if (/intermédiaire|intermediate|moyen/.test(l)) {
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return { min: 300, max: 550, label: 'intermediate (300–550 words per note)' }
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}
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if (/débutant|beginner|facile|easy/.test(l)) {
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return { min: 250, max: 450, label: 'beginner (250–450 words per note)' }
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}
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return { min: 300, max: 550, label: 'standard (300–550 words per note)' }
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}
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function countWords(html: string): number {
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const plain = html
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.replace(/<[^>]+>/g, ' ')
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.replace(/&[a-z]+;/gi, ' ')
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.replace(/\s+/g, ' ')
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.trim()
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if (!plain) return 0
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return plain.split(/\s+/).filter(Boolean).length
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}
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export class NotebookWizardService {
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private languageDetection = new LanguageDetectionService()
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/**
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* Langue de sortie = langue du **sujet / requête** (pas l'UI), sauf si
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* la requête est trop courte / ambiguë (tinyld confond souvent fr↔it).
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*
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* Ex. UI=fr + "I want a list of…" → en
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* UI=fr + "calcul différentiel" → fr (accents / UI, pas "it" de tinyld)
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*/
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async resolveOutputLanguage(topic: string, uiLanguage?: string): Promise<string> {
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const ui = (uiLanguage || 'fr').slice(0, 2).toLowerCase()
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const text = (topic || '').trim()
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if (!text) return ui
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const wordCount = text.split(/\s+/).filter(Boolean).length
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// Scripts non latins : fiables même sur peu de mots
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if (/[\u0600-\u06FF]/.test(text)) {
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if (/\b(است|های|می|برای|که|این)\b/.test(text)) return 'fa'
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return 'ar'
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}
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if (/[\u4e00-\u9fff]/.test(text)) return 'zh'
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if (/[\u3040-\u30ff]/.test(text)) return 'ja'
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if (/[\uac00-\ud7af]/.test(text)) return 'ko'
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if (/[\u0400-\u04ff]/.test(text)) return 'ru'
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if (/[\u0900-\u097f]/.test(text)) return 'hi'
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// Anglais explicite (phrases courantes)
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if (/\b(i want|i need|i'd like|please|make me|list of|how to|for a student|for students|write in english)\b/i.test(text)) {
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return 'en'
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}
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// Français explicite
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if (/\b(je veux|j'aimerais|peux-tu|créer|génère|cours de|pour un étudiant|pour les étudiants|en français)\b/i.test(text)) {
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return 'fr'
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}
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// Accents / digrammes typiquement français → fr (évite "calcul différentiel" → it)
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if (/[àâäéèêëïîôùûüçœæ]/i.test(text) || /\b(différentiel|différentielle|mathématiques|géométrie|algèbre|fonction|limite|dérivée)\b/i.test(text)) {
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return 'fr'
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}
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// Allemand (umlauts / ß)
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if (/[äöüß]/i.test(text)) return 'de'
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// Espagnol (ñ, ¿, ¡)
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if (/[ñ¿¡]/i.test(text)) return 'es'
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// Sujet court (≤ 4 mots) : tinyld est peu fiable (ex. "calcul différentiel" → it @ 5%)
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// → on suit l'UI sauf signal anglais fort déjà géré ci-dessus
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if (wordCount <= 4) {
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return ui
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}
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// Texte plus long : détection, mais on ignore un résultat peu crédible
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try {
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const { language, confidence } = await this.languageDetection.detectLanguage(text)
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const code = (language || '').slice(0, 2).toLowerCase()
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if (code && code !== 'unknown' && confidence >= 0.75) {
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// Romance court : si UI=fr et détecté it/es/pt/ro, rester en fr (faux positifs fréquents)
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if (ui === 'fr' && ['it', 'es', 'pt', 'ro'].includes(code) && wordCount < 12) {
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return 'fr'
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}
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return code
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}
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} catch {
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/* fall through */
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}
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return ui
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}
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private langName(code: string): string {
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return LANG_NAMES[code] || code
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}
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private languageRuleBlock(lang: string): string {
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const name = this.langName(lang)
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return `CRITICAL LANGUAGE RULE (non-negotiable):
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- The USER REQUEST language is: ${name} (code: ${lang}).
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- The app UI language is IRRELEVANT — do NOT follow UI language.
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- Write ALL human-readable text in ${name}: notebookName, note titles, HTML body, callouts, examples, exercises, table headers, difficulty free-text if any.
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- JSON keys stay in English (notebookName, notes, title, content, difficulty, schemaProperties).
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- Do NOT mix languages. Do NOT answer in French if the request is English (and vice versa).
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- Math LaTeX may stay standard (symbols), but surrounding explanations must be in ${name}.`
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}
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async generateCarnet(
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profile: WizardProfile,
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topic: string,
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options?: { level?: string; count?: number; language?: string }
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): Promise<GeneratedCarnet> {
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const uiLang = options?.language || 'fr'
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const contentLang = await this.resolveOutputLanguage(topic, uiLang)
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const level = options?.level
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const isExpert = /expert/i.test(level || '')
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// Fewer notes + richer content (quality over stuffing one JSON)
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const count = Math.min(options?.count || 6, isExpert ? 5 : 6)
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const words = wordTargetsForLevel(level)
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const config = await getSystemConfig()
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const provider = getChatProvider(config)
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// Phase 1 — outline only (name + titles)
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const plan = await this.generatePlan(provider, profile, topic, contentLang, count, level)
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const schemaLabels = this.getSchemaLabels(contentLang)
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// Phase 2 — one note at a time (avoids shallow multi-note dumps)
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const notes: GeneratedNote[] = []
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for (let i = 0; i < plan.titles.length; i++) {
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const title = plan.titles[i]
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const difficulty = i % 3 === 0 ? 'facile' : i % 3 === 1 ? 'moyen' : 'difficile'
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let note = await this.generateOneNote(provider, {
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profile,
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topic,
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title,
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lang: contentLang,
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level,
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words,
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difficulty,
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noteIndex: i + 1,
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totalNotes: plan.titles.length,
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})
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// Retry once if too short
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if (countWords(note.content) < Math.max(120, Math.floor(words.min * 0.55))) {
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note = await this.generateOneNote(provider, {
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profile,
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topic,
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title,
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lang: contentLang,
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level,
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words,
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difficulty,
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noteIndex: i + 1,
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totalNotes: plan.titles.length,
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forceLonger: true,
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})
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}
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notes.push(note)
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}
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return {
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notebookName: plan.notebookName || this.deriveNotebookName(topic, notes, contentLang),
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notes,
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schemaProperties: [
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{ name: schemaLabels.status, type: 'select', options: [schemaLabels.statusTodo, schemaLabels.statusInProgress, schemaLabels.statusDone] },
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{ name: schemaLabels.difficulty, type: 'select', options: [schemaLabels.easy, schemaLabels.medium, schemaLabels.hard] },
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],
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contentLanguage: contentLang,
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}
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}
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private async generatePlan(
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provider: { generateText: (p: string) => Promise<string> },
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profile: WizardProfile,
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topic: string,
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lang: string,
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count: number,
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level?: string,
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): Promise<{ notebookName: string; titles: string[] }> {
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const prompt = `${this.languageRuleBlock(lang)}
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You are planning a ${profile} notebook on the user request below.
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User request / topic: "${topic}"
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${level ? `Level: ${level}` : ''}
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Produce a short JSON plan only.
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Return ONLY:
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\`\`\`json
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{
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"notebookName": "3–8 words, short, in ${this.langName(lang)}",
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"titles": ["chapter title 1", "chapter title 2", "... exactly ${count} titles"]
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}
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\`\`\`
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Rules:
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- Exactly ${count} titles, progressive learning order.
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- Titles in ${this.langName(lang)} only.
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- notebookName ≠ full user sentence.`
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const raw = await provider.generateText(prompt)
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const parsed = this.parseJsonObject(raw)
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const titles = Array.isArray(parsed?.titles)
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? parsed.titles.map((t: unknown) => String(t || '').trim()).filter(Boolean).slice(0, count)
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: []
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while (titles.length < count) {
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titles.push(lang === 'fr' ? `Chapitre ${titles.length + 1}` : `Chapter ${titles.length + 1}`)
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}
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return {
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notebookName: String(parsed?.notebookName || '').trim().slice(0, 80),
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titles,
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}
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}
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private async generateOneNote(
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provider: { generateText: (p: string) => Promise<string> },
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opts: {
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profile: WizardProfile
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topic: string
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title: string
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lang: string
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level?: string
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words: { min: number; max: number; label: string }
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difficulty: string
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noteIndex: number
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totalNotes: number
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forceLonger?: boolean
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},
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): Promise<GeneratedNote> {
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const { profile, topic, title, lang, level, words, difficulty, noteIndex, totalNotes, forceLonger } = opts
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const profileExtra = {
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student: `Pedagogical note for a student: worked examples, tip + danger callouts, at least 2 exercises with brief solution hints.`,
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teacher: `Lesson plan style: learning objectives, main content, 4–5 exercises, indicative answers.`,
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engineer: `Technical documentation: precise definitions, comparison table or specs, practical examples.`,
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}[profile]
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const prompt = `${this.languageRuleBlock(lang)}
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You write ONE complete notebook chapter as HTML for a ${profile}.
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${profileExtra}
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Overall topic: "${topic}"
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Chapter title: "${title}"
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Chapter ${noteIndex}/${totalNotes}
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${level ? `Level: ${level}` : ''}
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Target length: ${words.label}
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${forceLonger ? `WARNING: previous draft was TOO SHORT. Write at least ${words.min} words of real explanation — not a summary.` : ''}
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Mandatory structure (all section headings and text in ${this.langName(lang)}):
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1. Short intro (why this chapter matters)
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2. Core definitions / concepts with <h2>/<h3>
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3. At least one worked example (step by step)
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4. Callouts: info definition + tip + danger (using HTML blocks below)
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5. At least one math equation if the topic is mathematical
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6. Closing: key takeaways list
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7. For student/teacher: short exercises section
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HTML blocks:
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- Callout: <div data-type="callout-block" data-callout-type="info|tip|danger|warning|success"><p>...</p></div>
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- Math: <div data-type="math-equation" data-latex="..."></div> (never $$)
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- Toggle optional: <div data-type="toggle-block" data-opened="false"><p>title</p><p>body</p></div>
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- table, ul/ol allowed
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Return ONLY:
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\`\`\`json
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{
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"title": "${title.replace(/"/g, '\\"')}",
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"difficulty": "${difficulty}",
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"content": "<h2>...</h2><p>...</p>..."
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}
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\`\`\`
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content must be rich HTML, NOT empty, NOT a 2-paragraph summary.
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Escape quotes inside JSON properly.`
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const raw = await provider.generateText(prompt)
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const parsed = this.parseJsonObject(raw)
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const content = preprocessMathInHtml(String(parsed?.content || raw || '<p></p>'))
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return {
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title: String(parsed?.title || title).trim() || title,
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content,
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difficulty: (parsed?.difficulty as GeneratedNote['difficulty']) || (difficulty as GeneratedNote['difficulty']),
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}
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}
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private parseJsonObject(raw: string): any {
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const jsonMatch = raw.match(/```json\s*([\s\S]+?)\s*```/)
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let jsonStr = jsonMatch ? jsonMatch[1] : raw
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const start = jsonStr.indexOf('{')
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const end = jsonStr.lastIndexOf('}')
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if (start >= 0 && end > start) jsonStr = jsonStr.slice(start, end + 1)
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try {
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return JSON.parse(jsonStr)
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} catch {
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try {
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const fixed = jsonStr
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.replace(/\\(?!["\\\/bfnrtu])/g, '\\\\')
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.replace(/\n/g, '\\n')
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return JSON.parse(fixed)
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} catch {
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return null
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}
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}
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}
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private deriveNotebookName(topic: string, notes: GeneratedNote[], lang: string): string {
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const fromNote = notes[0]?.title?.trim()
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if (fromNote && fromNote.length <= 80 && fromNote.length >= 3) {
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return fromNote.replace(/^\d+[\.\):\-–]\s*/, '').slice(0, 80)
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}
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const cleaned = topic
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.replace(/\s+/g, ' ')
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.trim()
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.replace(/^(je veux|i want|i need|please|peux-tu|can you|crée|create|génère|generate)\b[\s,:-]*/i, '')
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if (cleaned.length > 0 && cleaned.length <= 60) return cleaned
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if (cleaned.length > 60) {
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const cut = cleaned.slice(0, 57)
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const lastSpace = cut.lastIndexOf(' ')
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return (lastSpace > 20 ? cut.slice(0, lastSpace) : cut) + '…'
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}
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return lang === 'fr' ? 'Nouveau carnet' : lang === 'en' ? 'New notebook' : 'Notebook'
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}
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private getSchemaLabels(lang: string) {
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const map: Record<string, { status: string; statusTodo: string; statusInProgress: string; statusDone: string; difficulty: string; easy: string; medium: string; hard: string }> = {
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fr: { status: 'Statut', statusTodo: 'À réviser', statusInProgress: 'En cours', statusDone: 'Maîtrisé', difficulty: 'Difficulté', easy: 'Facile', medium: 'Moyen', hard: 'Difficile' },
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en: { status: 'Status', statusTodo: 'To review', statusInProgress: 'In progress', statusDone: 'Mastered', difficulty: 'Difficulty', easy: 'Easy', medium: 'Medium', hard: 'Hard' },
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fa: { status: 'وضعیت', statusTodo: 'باید مرور شود', statusInProgress: 'در حال یادگیری', statusDone: 'تسلط یافته', difficulty: 'سختی', easy: 'آسان', medium: 'متوسط', hard: 'دشوار' },
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ar: { status: 'الحالة', statusTodo: 'للمراجعة', statusInProgress: 'قيد الدراسة', statusDone: 'متقن', difficulty: 'الصعوبة', easy: 'سهل', medium: 'متوسط', hard: 'صعب' },
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de: { status: 'Status', statusTodo: 'Zu wiederholen', statusInProgress: 'In Bearbeitung', statusDone: 'Beherrscht', difficulty: 'Schwierigkeit', easy: 'Einfach', medium: 'Mittel', hard: 'Schwer' },
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es: { status: 'Estado', statusTodo: 'Por repasar', statusInProgress: 'En progreso', statusDone: 'Dominado', difficulty: 'Dificultad', easy: 'Fácil', medium: 'Medio', hard: 'Difícil' },
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it: { status: 'Stato', statusTodo: 'Da ripassare', statusInProgress: 'In corso', statusDone: 'Padroneggiato', difficulty: 'Difficoltà', easy: 'Facile', medium: 'Medio', hard: 'Difficile' },
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pt: { status: 'Estado', statusTodo: 'A rever', statusInProgress: 'Em progresso', statusDone: 'Dominado', difficulty: 'Dificuldade', easy: 'Fácil', medium: 'Médio', hard: 'Difícil' },
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ru: { status: 'Статус', statusTodo: 'На повторение', statusInProgress: 'В процессе', statusDone: 'Усвоено', difficulty: 'Сложность', easy: 'Лёгкий', medium: 'Средний', hard: 'Сложный' },
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zh: { status: '状态', statusTodo: '待复习', statusInProgress: '学习中', statusDone: '已掌握', difficulty: '难度', easy: '简单', medium: '中等', hard: '困难' },
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ja: { status: 'ステータス', statusTodo: '要復習', statusInProgress: '学習中', statusDone: '習得済み', difficulty: '難易度', easy: '易しい', medium: '普通', hard: '難しい' },
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ko: { status: '상태', statusTodo: '복습 필요', statusInProgress: '학습 중', statusDone: '마스터', difficulty: '난이도', easy: '쉬움', medium: '보통', hard: '어려움' },
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nl: { status: 'Status', statusTodo: 'Te herhalen', statusInProgress: 'Bezig', statusDone: 'Beheerst', difficulty: 'Moeilijkheid', easy: 'Makkelijk', medium: 'Gemiddeld', hard: 'Moeilijk' },
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pl: { status: 'Status', statusTodo: 'Do powtórki', statusInProgress: 'W trakcie', statusDone: 'Opanowane', difficulty: 'Trudność', easy: 'Łatwy', medium: 'Średni', hard: 'Trudny' },
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hi: { status: 'स्थिति', statusTodo: 'दोहराने के लिए', statusInProgress: 'प्रगति में', statusDone: 'महारत हासिल', difficulty: 'कठिनाई', easy: 'आसान', medium: 'मध्यम', hard: 'कठिन' },
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}
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return map[lang] || map.en
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}
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}
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export const notebookWizardService = new NotebookWizardService()
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