app.py

import os
import re
import json
import random
from typing import Dict, Any, List, Optional

import gradio as gr
from huggingface_hub import InferenceClient

# Load external CSS file into a string so Gradio can inject it
CSS_PATH = os.path.join(os.path.dirname(__file__), "style.css")
try:
    with open(CSS_PATH, encoding="utf-8") as f:
        CUSTOM_CSS = f.read()
except FileNotFoundError:
    CUSTOM_CSS = ""

# ────────────────────────────────────────────────────────────────────────────────
# CONFIG

# Default to a serverless text-generation model. You can override this in Space
# settings by defining a MODEL_ID variable if you want to experiment.
MODEL_ID = os.environ.get("MODEL_ID", "google/gemma-2-2b-it")

# Personal access token from your Hugging Face account (Space secret).
HF_TOKEN = os.environ.get("HF_TOKEN")

REPO_PATH = "/data/questions.json"  # where we store generated questions

CATEGORIES = [
    {"key": "alimentation", "icon": "🍎", "fr": "Alimentation", "en": "Nutrition"},
    {"key": "mouvement",    "icon": "🦘", "fr": "Mouvement",    "en": "Movement"},
    {"key": "cerveau",      "icon": "🧠", "fr": "Cerveau",      "en": "Brain"},
    {"key": "liens",        "icon": "🤝", "fr": "Liens",        "en": "Connections"},
    {"key": "bien-etre",    "icon": "💬", "fr": "Bien-être",    "en": "Well-being"},
]

GUIDES = {
    "fr": {
        "alimentation": "Habitudes simples: hydratation, fruits/légumes, collations, rythme des repas. Pas de régime strict, pas de moralisation.",
        "mouvement": "Mouvement du quotidien: marche, escaliers, étirements courts, pauses actives. Pas de performance sportive.",
        "cerveau": "Stimulation douce: curiosité, respiration, mini-jeux, petit apprentissage. Zéro jargon médical.",
        "liens": "Interactions simples: gratitude, messages courts, appels brefs, moments partagés. Ton chaleureux, inclusif.",
        "bien-etre": "Micro bien-être: pauses, sommeil régulier, respirations, petits rituels qui apaisent. Jamais culpabilisant.",
    },
    "en": {
        "alimentation": "Simple habits: hydration, fruit/veg, snacks, meal rhythm. No strict diets, no moralizing.",
        "mouvement": "Daily movement: walking, stairs, light stretches, active breaks. No performance pressure.",
        "cerveau": "Gentle stimulation: curiosity, breathing, tiny games, small learning moments. No medical jargon.",
        "liens": "Simple connections: gratitude, short texts, quick calls, shared moments. Warm and inclusive tone.",
        "bien-etre": "Micro well-being: breaks, sleep rhythm, breathing, tiny soothing rituals. Never guilt-based.",
    },
}

# Themes
THEME_KEYS = ["family", "friends", "romance", "silly", "education"]

THEME_LABELS = {
    "fr": {
        "family": "famille",
        "friends": "amis",
        "romance": "romance",
        "silly": "décalé",
        "education": "éducation",
    },
    "en": {
        "family": "family",
        "friends": "friends",
        "romance": "romance",
        "silly": "silly",
        "education": "education",
    },
}

THEME_DESCRIPTIONS = {
    "fr": {
        "family": "Thème famille : liens intergénérationnels, rituels familiaux, souvenirs partagés.",
        "friends": "Thème amis : complicité, soutien, moments légers, retrouvailles.",
        "romance": "Thème romance : connexion, douceur, attention à l’autre, moments à deux.",
        "silly": "Thème décalé : questions ludiques, inattendues, créatives, pour faire rire.",
        "education": "Thème éducation : curiosité, apprentissages, petites découvertes du quotidien.",
    },
    "en": {
        "family": "Family theme: intergenerational bonds, family rituals, shared memories.",
        "friends": "Friends theme: support, playfulness, shared moments, reconnection.",
        "romance": "Romance theme: connection, tenderness, attention to each other, moments for two.",
        "silly": "Silly theme: playful, unexpected, creative questions that invite laughter.",
        "education": "Education theme: curiosity, learning, tiny everyday discoveries.",
    },
}

# Few-shot + fallback pools
FEWSHOTS = {
    "fr": {
        "alimentation": {
            "questions": [
                "Quelle boisson te donne envie de boire plus d’eau dans la journée ?",
                "Quel ajout simple rend ton petit-déj plus rassasiant ?",
                "Quand as-tu naturellement faim d’un fruit ou d’un yaourt ?",
                "Quelle petite habitude t’aide à ne pas sauter de repas ?",
                "Quel plat simple te fait du bien après une journée chargée ?",
                "Quelle collation t’aide à tenir jusqu’au dîner sans avoir trop faim ?",
            ],
            "micro_actions": [
                "Remplir une gourde ce matin.",
                "Ajouter un fruit à la collation de l’après-midi.",
                "Remplacer une boisson sucrée par un verre d’eau aujourd’hui.",
                "Préparer un snack simple pour demain.",
            ],
        },
        "mouvement": {
            "questions": [
                "Quel trajet pourrais-tu faire à pied au moins une fois cette semaine ?",
                "Quelle pause-active de 2 minutes peux-tu glisser entre deux tâches ?",
                "Qu’est-ce qui te fait bouger sans y penser (ex: marcher au téléphone) ?",
                "Quel moment conviendrait pour quelques étirements doux chaque jour ?",
                "Avec qui aimerais-tu partager une courte marche ?",
                "Quel geste te réveille le matin (étirement, marche, danse exprès…) ?",
            ],
            "micro_actions": [
                "Monter un étage par les escaliers aujourd’hui.",
                "Faire 5 étirements doux après le café.",
                "Se lever pendant un appel et marcher quelques pas.",
                "Programmer une mini-alarme « bouger » dans l’après-midi.",
            ],
        },
        "cerveau": {
            "questions": [
                "Qu’est-ce qui a suscité ta curiosité aujourd’hui ?",
                "Quel moment t’irait pour 3 minutes de respiration ?",
                "Quel mini-jeu aimes-tu pour réveiller l’esprit (ex: 3 mots fléchés) ?",
                "Quel petit sujet aimerais-tu explorer cette semaine ?",
                "Quelle activité calme t’aide à passer du travail au repos ?",
                "Quel souvenir récent t’a fait sourire en y repensant ?",
            ],
            "micro_actions": [
                "Programmer un minuteur de 3 minutes pour respirer.",
                "Lire un paragraphe d’un sujet nouveau ce soir.",
                "Faire un mini-jeu de cerveau (3 mots fléchés, Sudoku, etc.).",
                "Noter une idée ou question qui t’intrigue.",
            ],
        },
        "liens": {
            "questions": [
                "Qui pourrais-tu remercier aujourd’hui et comment ?",
                "À qui enverrais-tu un message court pour reprendre contact ?",
                "Avec qui partagerais-tu une courte marche cette semaine ?",
                "Avec qui aimerais-tu avoir une vraie conversation bientôt ?",
                "Quand t’es-tu senti·e soutenu·e pour la dernière fois, et par qui ?",
                "Qui aimerais-tu encourager cette semaine ?",
            ],
            "micro_actions": [
                "Envoyer un message de gratitude à une personne.",
                "Proposer une pause-café de 10 minutes.",
                "Envoyer une photo ou un souvenir à quelqu’un avec un petit mot.",
                "Poser une vraie question à quelqu’un sur sa journée.",
            ],
        },
        "bien-etre": {
            "questions": [
                "Quel signal t’indique qu’il est temps de faire une pause ?",
                "Quelle routine de 2 minutes t’aide à te recentrer ?",
                "Quel moment favorise un coucher plus régulier ?",
                "Qu’est-ce qui t’aide à te sentir plus léger·e en fin de journée ?",
                "Quel endroit de ton quotidien te donne une sensation de calme ?",
                "Quand as-tu l’impression de vraiment respirer ?",
            ],
            "micro_actions": [
                "Éteindre les écrans 10 minutes plus tôt ce soir.",
                "Écrire 3 lignes sur ton humeur du jour.",
                "Prendre 5 respirations lentes avant de changer d’activité.",
                "Planifier une mini-pause de 5 minutes pour toi demain.",
            ],
        },
    },
    "en": {
        "alimentation": {
            "questions": [
                "What drink makes you want to sip more water through the day?",
                "What small add-on makes your breakfast more filling?",
                "When do you naturally crave a fruit or yogurt?",
                "What tiny habit helps you not skip meals?",
                "What simple dinner feels gentle after a long day?",
                "Which snack helps you stay focused without a big energy crash?",
            ],
            "micro_actions": [
                "Fill a water bottle this morning.",
                "Add one fruit to your afternoon snack.",
                "Swap one sugary drink for water today.",
                "Plan a simple snack for tomorrow.",
            ],
        },
        "mouvement": {
            "questions": [
                "Which short trip could you walk at least once this week?",
                "Which 2-minute active break fits between two tasks?",
                "What makes you move without noticing (e.g., walking on calls)?",
                "When would a short stretch break feel good each day?",
                "Where do you naturally end up walking more?",
                "What small move helps you wake up in the morning?",
            ],
            "micro_actions": [
                "Take one flight of stairs today.",
                "Do 5 light stretches after coffee.",
                "Stand up and walk during one call.",
                "Set a tiny “move” reminder for this afternoon.",
            ],
        },
        "cerveau": {
            "questions": [
                "What sparked your curiosity today?",
                "When could you do 3 minutes of breathing?",
                "Which mini-game wakes you up (e.g., 3 crossword clues)?",
                "What small topic would you like to learn about this week?",
                "What gentle activity helps you shift from work to rest?",
                "What recent memory made you smile when you thought of it again?",
            ],
            "micro_actions": [
                "Set a 3-minute timer to breathe.",
                "Read one paragraph on a new topic tonight.",
                "Play a tiny brain game.",
                "Write down one idea or question that interests you.",
            ],
        },
        "liens": {
            "questions": [
                "Who could you thank today—and how?",
                "Who might you text briefly to reconnect?",
                "Who could you invite for a short walk this week?",
                "Who would you like to have a real conversation with soon?",
                "When did you last feel supported, and by whom?",
                "Who would you like to encourage this week?",
            ],
            "micro_actions": [
                "Send a gratitude message to one person.",
                "Offer a 10-minute coffee break.",
                "Send a photo or memory to someone with a short note.",
                "Ask someone one genuine question about their day.",
            ],
        },
        "bien-etre": {
            "questions": [
                "What cue tells you it’s time for a pause?",
                "What 2-minute routine helps you reset?",
                "What time supports a steadier bedtime?",
                "What helps you feel lighter at the end of the day?",
                "Which place in your daily life feels calming?",
                "When do you feel like you can really breathe?",
            ],
            "micro_actions": [
                "Turn screens off 10 minutes earlier tonight.",
                "Write three lines about your mood today.",
                "Take 5 slow breaths before changing tasks.",
                "Schedule a 5-minute mini-break for yourself tomorrow.",
            ],
        },
    },
}

# ────────────────────────────────────────────────────────────────────────────────
# REPOSITORY HELPERS (questions only, per category)


# ────────────────────────────────────────────────────────────────────────────────
# REPOSITORY HELPERS (questions only, per language + category)


def _default_repo() -> Dict[str, Dict[str, List[str]]]:
    """

    Structure:

    {

      "fr": {"alimentation": [...], "mouvement": [...], ...},

      "en": {"alimentation": [...], "mouvement": [...], ...}

    }

    """
    base_per_lang = {c["key"]: [] for c in CATEGORIES}
    return {"fr": dict(base_per_lang), "en": dict(base_per_lang)}


def load_repo() -> Dict[str, Dict[str, List[str]]]:
    os.makedirs(os.path.dirname(REPO_PATH), exist_ok=True)
    if not os.path.exists(REPO_PATH):
        data = _default_repo()
        with open(REPO_PATH, "w", encoding="utf-8") as f:
            json.dump(data, f, ensure_ascii=False, indent=2)
        return data

    try:
        with open(REPO_PATH, "r", encoding="utf-8") as f:
            data = json.load(f)
    except Exception:
        data = _default_repo()
        with open(REPO_PATH, "w", encoding="utf-8") as f:
            json.dump(data, f, ensure_ascii=False, indent=2)
        return data

    # If this is the old format (categories at top level), reset to new format.
    if not isinstance(data, dict) or "fr" not in data or "en" not in data:
        data = _default_repo()
        with open(REPO_PATH, "w", encoding="utf-8") as f:
            json.dump(data, f, ensure_ascii=False, indent=2)
        return data

    # Ensure both languages + all categories exist
    base = _default_repo()
    for lang in ("fr", "en"):
        src = data.get(lang, {})
        if isinstance(src, dict):
            for k, v in src.items():
                if k in base[lang] and isinstance(v, list):
                    base[lang][k] = v
    return base


def save_repo(data: Dict[str, Dict[str, List[str]]]) -> None:
    os.makedirs(os.path.dirname(REPO_PATH), exist_ok=True)
    with open(REPO_PATH, "w", encoding="utf-8") as f:
        json.dump(data, f, ensure_ascii=False, indent=2)



# ────────────────────────────────────────────────────────────────────────────────
# PROMPT + MODEL HELPERS


def build_prompt(lang: str, category_key: str, theme: str) -> str:
    cat = next((c for c in CATEGORIES if c["key"] == category_key), None)
    if not cat:
        category_key = "alimentation"
        cat = next((c for c in CATEGORIES if c["key"] == category_key), None)

    guide = GUIDES[lang][category_key]
    few = FEWSHOTS[lang][category_key]
    theme_desc = THEME_DESCRIPTIONS[lang].get(theme, "")

    schema = (
        "{\n"
        '  "category": "<category_key>",\n'
        '  "language": "<fr|en>",\n'
        '  "questions": ["q1", "q2", "q3", "q4"],\n'
        '  "micro_actions": ["m1", "m2"],\n'
        '  "theme": "<family|friends|romance|silly|education>",\n'
        '  "safety_notes": ""\n'
        "}"
    )

    example_questions = few["questions"][:2]
    example_micro = few["micro_actions"][:2]

    if lang == "fr":
        return f"""

    Tu es l’IA du jeu de cartes Neurovie (modèle FINGER).

    Tu crées des cartes-question pour parler de routines du quotidien.



    - Catégorie: {cat['fr']} {cat['icon']}.

    - Focus: {guide}

    - Thème actuel: {theme_desc}

    - Format: 4 questions + 2 micro-actions, 1 phrase courte chacune.

    - Style: concret, bienveillant, sans jugement.

    - Interdit: conseils médicaux, diagnostics, emojis.



Réponds UNIQUEMENT en JSON, sans texte autour, selon ce schéma:

{schema}



Exemple de style (à VARIER, ne pas copier):

Questions: {example_questions}

Micro-actions: {example_micro}



Maintenant, renvoie un NOUVEAU JSON différent de l'exemple.

""".strip()
    else:
        return f"""

    You are the AI for the Neurovie card game (FINGER model).

    You create question-cards about everyday routines.



    - Category: {cat['en']} {cat['icon']}.

    - Focus: {guide}

    - Current theme: {theme_desc}

    - Format: 4 questions + 2 micro-actions, one short sentence each.

    - Style: concrete, kind, non-judgmental.

    - Forbidden: medical advice, diagnoses, emojis.



Reply ONLY with JSON, no extra text, in this shape:

{schema}



Style example (to vary, do NOT copy):

Questions: {example_questions}

Micro-actions: {example_micro}



Now return a NEW JSON different from the example.

""".strip()


def try_parse_json(text: str) -> Optional[Dict[str, Any]]:
    """

    Try to extract a JSON object from the model output.

    Handles cases where the model wraps JSON in ``` or ```json fences.

    """
    if not text:
        return None

    stripped = text.strip()

    # If the model wrapped the JSON in ``` or ```json fences, strip them.
    if stripped.startswith("```"):
        lines = stripped.splitlines()

        # Drop the first line (``` or ```json)
        lines = lines[1:]

        # Drop final line if it's a closing fence
        if lines and lines[-1].strip().startswith("```"):
            lines = lines[:-1]

        stripped = "\n".join(lines).strip()

    # Now look for the first {...} block
    match = re.search(r"\{[\s\S]*\}", stripped)
    if not match:
        return None

    candidate = match.group(0)
    try:
        return json.loads(candidate)
    except Exception:
        return None


def model_call(prompt: str) -> str:
    """

    Call Hugging Face Inference API using the conversational (chat) task.

    This matches models like google/gemma-2-2b-it which only support 'conversational'.

    """
    if not MODEL_ID:
        raise RuntimeError("MODEL_ID env var is empty. Set it or use the default.")
    if not HF_TOKEN:
        raise RuntimeError(
            "HF_TOKEN is not set. Add a Hugging Face token as a Space secret named HF_TOKEN."
        )

    client = InferenceClient(model=MODEL_ID, token=HF_TOKEN)

    try:
        resp = client.chat.completions.create(
            model=MODEL_ID,
            messages=[
                {
                    "role": "system",
                    "content": (
                        "You generate JSON only. "
                        "Do not add any explanation outside of the JSON object."
                    ),
                },
                {
                    "role": "user",
                    "content": prompt,
                },
            ],
            max_tokens=260,
            temperature=0.9,
            top_p=0.92,
        )
    except Exception as e:
        raise RuntimeError(f"Inference API error: {e}") from e

    # Extract text from the first choice
    try:
        message = resp.choices[0].message
        content = message.content
    except Exception as e:
        raise RuntimeError(f"Unexpected chat response format: {e}") from e

    # content can be a string or a list of parts
    if isinstance(content, list):
        # Newer HF SDK sometimes uses list-of-parts format
        parts = []
        for part in content:
            # part may be a dict like {"type": "text", "text": "..."}
            if isinstance(part, dict) and "text" in part:
                parts.append(part["text"])
            else:
                parts.append(str(part))
        text = "".join(parts)
    else:
        text = str(content)

    text = text.strip()
    if not text:
        raise RuntimeError("Empty response from model.")

    return text


def normalize_output(

    data: Dict[str, Any],

    lang: str,

    category_key: str,

    theme: str,

) -> Dict[str, Any]:
    """

    Make model output always valid, even if the model returns emojis, wrong category labels,

    capitalized names, or unexpected keys.

    """

    # --- FIX CATEGORY ---
    raw_cat = str(data.get("category", "")).strip()

    # Strip emojis
    raw_cat = re.sub(r"[^\w\- ]+", "", raw_cat)

    # Lowercase
    raw_cat = raw_cat.lower()

    # Map likely variants to internal keys
    mapping = {
        "alimentation": "alimentation",
        "nutrition": "alimentation",
        "mouvement": "mouvement",
        "movement": "mouvement",
        "cerveau": "cerveau",
        "brain": "cerveau",
        "liens": "liens",
        "links": "liens",
        "bienetre": "bien-etre",
        "bien-etre": "bien-etre",
        "wellbeing": "bien-etre",
        "well being": "bien-etre",
    }

    # Choose corrected category
    clean_cat = mapping.get(raw_cat, category_key)

    # --- FIX QUESTIONS ---
    q = [str(x).strip() for x in data.get("questions", []) if str(x).strip()]
    q = (q + [""] * 4)[:4]

    # --- FIX MICRO-ACTIONS ---
    m = [str(x).strip() for x in data.get("micro_actions", []) if str(x).strip()]
    m = (m + [""] * 2)[:2]

    # --- THEME ---
    model_theme = str(data.get("theme", "")).strip().lower()
    if model_theme not in THEME_KEYS:
        model_theme = theme  # fall back to selected theme key

    # --- SAFETY NOTES ---
    safety_notes = str(data.get("safety_notes", ""))

    return {
        "category": clean_cat,
        "language": lang,
        "questions": q,
        "micro_actions": m,
        "theme": model_theme,
        "safety_notes": safety_notes,
    }


def ai_generate(lang: str, category_key: str, theme: str) -> Dict[str, Any]:
    """

    Try to call the model. If anything fails or JSON is invalid,

    fall back to shuffling the few-shots and include a safety_notes message.

    """
    prompt = build_prompt(lang, category_key, theme)

    try:
        raw_text = model_call(prompt)
        parsed = try_parse_json(raw_text) if raw_text else None

        if parsed:
            return normalize_output(parsed, lang, category_key, theme)

        # Model replied but not valid JSON
        few = FEWSHOTS[lang][category_key]
        q_pool = few["questions"][:]
        m_pool = few["micro_actions"][:]
        random.shuffle(q_pool)
        random.shuffle(m_pool)
        return {
            "category": category_key,
            "language": lang,
            "questions": (q_pool + [""] * 4)[:4],
            "micro_actions": (m_pool + [""] * 2)[:2],
            "theme": theme,
            "safety_notes": (
                "Model replied but JSON parsing failed. "
                f"raw_text starts with: {repr(raw_text[:160])}"
            ),
        }

    except Exception as e:
        # Any HF / network / auth error ends up here
        few = FEWSHOTS[lang][category_key]
        q_pool = few["questions"][:]
        m_pool = few["micro_actions"][:]
        random.shuffle(q_pool)
        random.shuffle(m_pool)
        return {
            "category": category_key,
            "language": lang,
            "questions": (q_pool + [""] * 4)[:4],
            "micro_actions": (m_pool + [""] * 2)[:2],
            "theme": theme,
            "safety_notes": f"Model call error: {type(e).__name__}: {e}",
        }

# ────────────────────────────────────────────────────────────────────────────────
# MAIN LOGIC: REPO + SESSION "SEEN" QUESTIONS


def get_questions_and_micro(

    lang: str,

    category_key: str,

    variant: str,

    seen: List[str],

) -> Dict[str, Any]:
    ...
    seen_set = set(seen or [])
    repo = load_repo()
    lang_repo = repo.get(lang, {})
    repo_qs = lang_repo.get(category_key, [])


    unseen_repo = [q for q in repo_qs if q and q not in seen_set]

    used_ai = False
    theme_used = theme
    safety_notes = ""

    if len(unseen_repo) >= 4:
        # entirely from repo, no AI call
        random.shuffle(unseen_repo)
        questions = unseen_repo[:4]
        # micro-actions from local fewshot pool (cheap)
        m_pool = FEWSHOTS[lang][category_key]["micro_actions"][:]
        random.shuffle(m_pool)
        micro = (m_pool + ["", ""])[:2]
        safety_notes = ""
    else:
        # need fresh AI content
        ai_out = ai_generate(lang, category_key, theme)
        questions = ai_out["questions"]
        micro = ai_out["micro_actions"]
        theme_used = ai_out.get("theme", theme)
        safety_notes = ai_out.get("safety_notes", "")
        used_ai = True

        # store new questions in the repo for this language only
        new_qs = [q for q in questions if q and q not in repo_qs]
        if new_qs:
            updated = repo_qs + new_qs
            repo.setdefault(lang, {})
            repo[lang][category_key] = updated
            save_repo(repo)


    # update seen for this session
    for q in questions:
        if q:
            seen_set.add(q)

    payload = {
        "category": category_key,
        "language": lang,
        "questions": questions,
        "micro_actions": micro,
        "source": "ai" if used_ai else "repo",
        "theme": theme_used,
        "safety_notes": safety_notes,
    }

    # For UI we only return questions + micro + updated seen.
    return {
        "questions": questions,
        "micro_actions": micro,
        "seen": list(seen_set),
    }


# ────────────────────────────────────────────────────────────────────────────────
# UI – pastel, animated, color-coded cards


def _map_category(choice: str) -> str:
    mapping = {
        "alimentation 🍎": "alimentation",
        "Nutrition 🍎": "alimentation",
        "mouvement 🦘": "mouvement",
        "Movement 🦘": "mouvement",
        "cerveau 🧠": "cerveau",
        "Brain 🧠": "cerveau",
        "liens 🤝": "liens",
        "Connections 🤝": "liens",
        "bien-etre 💬": "bien-etre",
        "Well-being 💬": "bien-etre",
    }
    return mapping.get(choice, "alimentation")

def _map_theme(label: str, lang: str) -> str:
    """

    Convert the user-visible theme label back to its internal key.

    Works for both languages and also accepts the key itself as fallback.

    """
    label = (label or "").strip().lower()

    # First check if it's already a key
    if label in THEME_KEYS:
        return label

    # Otherwise map via THEME_LABELS
    for key in THEME_KEYS:
        if label == THEME_LABELS["fr"][key].lower() or label == THEME_LABELS["en"][key].lower():
            return key

    # Fallback
    return "family"


def _card_html(category_key: str, kind: str, title: str, body: str, delay_s: float) -> str:
    kind_attr = "question" if kind == "q" else "micro"
    cat_class = f"nv-card--cat-{category_key}"
    # each card has its own animation delay => "dealing" feel
    return (
        f"<div class='nv-card {cat_class}' data-kind='{kind_attr}' "
        f"style='animation-delay:{delay_s:.2f}s'><div class='nv-card-title'>{title}</div>"
        f"<div>{body}</div></div>"
    )


def update_cards(lang: str, category_choice: str, theme_choice: str, seen: List[str]):
    category_key = _map_category(category_choice)
    theme_key = _map_theme(theme_choice, lang)
    result = get_questions_and_micro(lang, category_key, theme_key, seen or [])
    questions = result["questions"]
    micro = result["micro_actions"]
    new_seen = result["seen"]

    # Stagger cards a bit
    delays_q = [0.05, 0.10, 0.15, 0.20]
    delays_m = [0.25, 0.30]

    if lang == "fr":
        q_prefix = "Question"
        m_prefix = "Micro-action"
    else:
        q_prefix = "Question"
        m_prefix = "Micro-action"

    q_htmls = []
    for i in range(4):
        text = questions[i] if i < len(questions) else ""
        q_htmls.append(
            _card_html(
                category_key,
                "q",
                f"{q_prefix} {i+1}",
                text,
                delays_q[i],
            )
        )

    m_htmls = []
    for i in range(2):
        text = micro[i] if i < len(micro) else ""
        m_htmls.append(
            _card_html(
                category_key,
                "m",
                f"{m_prefix} {i+1}",
                text,
                delays_m[i],
            )
        )

    return (*q_htmls, *m_htmls, new_seen)


# ────────────────────────────────────────────────────────────────────────────────
# UI TEXT TRANSLATIONS


def get_ui_texts(lang: str) -> Dict[str, Any]:
    if lang == "fr":
        header = """

        <div class="nv-fade">

          <div class="nv-badge">NEUROVIE · FINGER</div>

          <div class="nv-title">Question Studio</div>

          <div class="nv-subtitle">

            Questions minimalistes pour conversations riches — 4 questions et 2 micro-actions par tirage.

          </div>

        </div>

    """

        category_choices = [
            "alimentation 🍎",
            "mouvement 🦘",
            "cerveau 🧠",
            "liens 🤝",
            "bien-etre 💬",
        ]
        theme_choices = [THEME_LABELS["fr"][k] for k in THEME_KEYS]
        return {
            "header_html": header,
            "language_label": "Langue",
            "theme_label": "Thème",
            "category_label": "Catégorie",
            "questions_label": "Questions",
            "micro_label": "Micro-actions",
            "button_text": "Générer un tirage ✨",
            "category_choices": category_choices,
            "category_default": "alimentation 🍎",
            "theme_choices": theme_choices,
            "theme_default": THEME_LABELS["fr"]["family"],
            "note_text": (
            "Note : les cartes s’estompent doucement avec le temps, "
            "pour symboliser la mémoire qui s’efface."
            ),
        }
    else:
        header = """

         <div class="nv-fade">

            <div class="nv-badge">NEUROVIE · FINGER</div>

            <div class="nv-title">Question Studio</div>

            <div class="nv-subtitle">

            Minimal prompts for rich conversations — 4 questions and 2 micro-actions per draw.

            </div>

        </div>

    """

        category_choices = [
            "Nutrition 🍎",
            "Movement 🦘",
            "Brain 🧠",
            "Connections 🤝",
            "Well-being 💬",
        ]
        theme_choices = [THEME_LABELS["en"][k] for k in THEME_KEYS]
        return {
            "header_html": header,
            "language_label": "Language",
            "theme_label": "Theme",
            "category_label": "Category",
            "questions_label": "Questions",
            "micro_label": "Micro-actions",
            "button_text": "Generate card set ✨",
            "category_choices": category_choices,
            "category_default": "Nutrition 🍎",
            "theme_choices": theme_choices,
            "theme_default": THEME_LABELS["en"]["family"],
            "note_text": (
            "Note: the cards gently fade over time, "
            "to echo how memories can fade."
            ),    
        }


def update_ui_language(lang: str):
    t = get_ui_texts(lang)
    return (
        t["header_html"],
        f"<div class='nv-label nv-fade'>{t['language_label']}</div>",
        f"<div class='nv-label nv-fade'>{t['theme_label']}</div>",
        f"<div class='nv-label nv-fade'>{t['category_label']}</div>",
        f"<div class='nv-label nv-fade'>{t['questions_label']}</div>",
        f"<div class='nv-label nv-fade'>{t['micro_label']}</div>",
        gr.update(choices=t["theme_choices"], value=t["theme_default"]),
        gr.update(choices=t["category_choices"], value=t["category_default"]),
        gr.update(value=t["button_text"]),
        f"<div class='nv-note'>{t['note_text']}</div>",
    )





# ────────────────────────────────────────────────────────────────────────────────
# GRADIO APP

with gr.Blocks(title="Neurovie – Question Studio") as demo:
    # Inline the CSS content from style.css
    if CUSTOM_CSS:
        gr.HTML(f"<style>{CUSTOM_CSS}</style>")



    seen_state = gr.State([])  # per-session list of seen questions

    ui_texts = get_ui_texts("fr")

    with gr.Column(elem_classes="nv-shell"):
        header = gr.HTML(ui_texts["header_html"])

        # Settings
    

        # Language box
    with gr.Column(elem_classes="nv-section"):
        lang_label_html = gr.HTML(
            f"<div class='nv-label nv-fade'>{ui_texts['language_label']}</div>"
        )
        lang = gr.Radio(
            choices=["fr", "en"],
            value="fr",
            show_label=False,
            elem_classes="nv-pills",
        )

    # Theme box
    with gr.Column(elem_classes="nv-section"):
        theme_label_html = gr.HTML(
            f"<div class='nv-label nv-fade'>{ui_texts['theme_label']}</div>"
        )
        theme = gr.Radio(
            choices=ui_texts["theme_choices"],
            value=ui_texts["theme_default"],
            show_label=False,
            elem_classes="nv-pills",
        )




        with gr.Column(elem_classes="nv-section"):
            category_label_html = gr.HTML(f"<div class='nv-label nv-fade'>{ui_texts['category_label']}</div>")
            category = gr.Radio(
                choices=ui_texts["category_choices"],
                value=ui_texts["category_default"],
                show_label=False,
                elem_classes="nv-pills",
            )

        btn = gr.Button(ui_texts["button_text"])

        # Question & micro-action cards
        with gr.Row(elem_classes="nv-section"):
            with gr.Column():
                questions_label_html = gr.HTML(f"<div class='nv-label nv-fade'>{ui_texts['questions_label']}</div>")
                with gr.Column(elem_classes="nv-card-grid"):
                    q1 = gr.HTML()
                    q2 = gr.HTML()
                    q3 = gr.HTML()
                    q4 = gr.HTML()
                    
            with gr.Column():
                micro_label_html = gr.HTML(f"<div class='nv-label nv-fade'>{ui_texts['micro_label']}</div>")
                with gr.Column(elem_classes="nv-card-grid"):
                    m1 = gr.HTML()
                    m2 = gr.HTML()
        # Small explanatory note under the cards
        note_html = gr.HTML(
        f"<div class='nv-note'>{ui_texts['note_text']}</div>"
        )

    # Update labels & category choices when language changes
    lang.change(
        fn=update_ui_language,
        inputs=[lang],
        outputs=[
            header,
            lang_label_html,
            theme_label_html,
            category_label_html,
            questions_label_html,
            micro_label_html,
            theme,
            category,
            btn,
            note_html,
        ],
        show_progress=False
    )

    btn.click(
        update_cards,
        [lang, category, theme, seen_state],
        [q1, q2, q3, q4, m1, m2, seen_state],
        show_progress=False,  # hide Gradio built-in progress indicator
    )


if __name__ == "__main__":
    demo.launch(ssr_mode=False)