utils/user_profile_utils.py

import datetime
import json
import os
from typing import Optional

from utils.sensory_config_utils import extract_sensory_preferences

RESOURCE_DIR = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "resources")
USER_PROFILES_FILE = os.path.join(RESOURCE_DIR, os.pardir, "database", "user_profiles.json")
os.makedirs(os.path.dirname(USER_PROFILES_FILE), exist_ok=True)


def load_user_profiles():
    """Carica i profili utente dal file JSON"""
    if os.path.exists(USER_PROFILES_FILE):
        with open(USER_PROFILES_FILE, "r", encoding="utf-8") as f:
            profiles = json.load(f)
        return {profile["user_id"]: profile for profile in profiles}
    return {}


def save_user_profiles(profiles):
    """Salva i profili utente nel file JSON"""
    with open(USER_PROFILES_FILE, "w", encoding="utf-8") as f:
        json.dump(list(profiles.values()), f, indent=2, ensure_ascii=False)


def get_user_profile(user_id):
    """Ottiene il profilo di un utente specifico"""
    profiles = load_user_profiles()
    return profiles.get(
        user_id,
        {
            "user_metadata": {"created_at": None, "last_updated": None},
            "selected_pois": [],
            "sensory_aversions": {},
        },
    )


def update_user_selected_pois(user_id, selected_pois):
    """Aggiorna i POI selezionati per un utente"""
    profiles = load_user_profiles()
    current_time = datetime.datetime.now().isoformat()

    if user_id not in profiles:
        profiles[user_id] = {
            "user_metadata": {
                "created_at": current_time,
                "last_updated": current_time,
                "profile_complete": False,
            },
            "selected_pois": [],
            "sensory_aversions": {},
        }

    profiles[user_id]["selected_pois"] = list(selected_pois)
    profiles[user_id]["user_metadata"]["last_updated"] = current_time

    save_user_profiles(profiles)


def update_user_sensory_aversions(user_id, *radio_values):
    """Aggiorna le aversioni sensoriali per un utente"""
    profiles = load_user_profiles()
    current_time = datetime.datetime.now().isoformat()
    sensory_aversions = extract_sensory_preferences(radio_values)

    if user_id not in profiles:
        profiles[user_id] = {
            "user_metadata": {
                "created_at": current_time,
                "last_updated": current_time,
                "profile_complete": False,
            },
            "selected_pois": [],
            "sensory_aversions": {},
        }

    profiles[user_id]["sensory_aversions"] = sensory_aversions
    profiles[user_id]["user_metadata"]["last_updated"] = current_time

    save_user_profiles(profiles)


def mark_profile_complete(user_id):
    """Marca il profilo di un utente come completo"""
    profiles = load_user_profiles()
    current_time = datetime.datetime.now().isoformat()

    if user_id in profiles:
        profiles[user_id]["user_metadata"]["profile_complete"] = True
        profiles[user_id]["user_metadata"]["last_updated"] = current_time
        save_user_profiles(profiles)
        return profiles[user_id]

    return None


def create_new_user_profile(user_id: str) -> dict:
    """Crea un nuovo profilo utente"""
    current_time = datetime.datetime.now().isoformat()
    return {
        "user_id": user_id.strip(),
        "user_metadata": {
            "created_at": current_time,
            "last_updated": current_time,
            "profile_complete": False,
        },
        "selected_pois": [],
        "sensory_aversions": {},
    }


def check_user_exists(user_id: str) -> tuple[bool, Optional[dict]]:
    """Controlla se un utente esiste e restituisce il suo profilo"""
    if not user_id or not user_id.strip():
        return False, None

    profiles = load_user_profiles()
    user_profile = profiles.get(user_id.strip())

    if user_profile:
        return True, user_profile
    else:
        return False, None


def login_user(user_id: str) -> tuple[bool, str, str, dict]:
    """Gestisce il login dell'utente"""
    if not user_id or not user_id.strip():
        return False, "⚠️ Inserisci un ID utente valido", "", {}

    user_id = user_id.strip()
    user_exists, user_profile = check_user_exists(user_id)

    if user_exists:
        profile_complete = user_profile.get("user_metadata", {}).get(
            "profile_complete", False
        )
        last_updated = user_profile.get("user_metadata", {}).get("last_updated", "N/A")

        if profile_complete:
            message = f"✅ Benvenuto/a {user_id}! Profilo completo trovato. Reindirizzamento al sistema di raccomandazione..."
            return True, message, "existing_complete"
        else:
            message = f"📝 Utente {user_id} trovato ma profilo incompleto. Completare preferenze e aversioni sensoriali..."
            return True, message, "existing_incomplete"
    else:
        message = f"🆕 Nuovo utente {user_id}. Creazione profilo in corso..."
        new_profile = create_new_user_profile(user_id)

        # Salva il nuovo profilo
        profiles = load_user_profiles()
        profiles[user_id] = new_profile
        save_user_profiles(profiles)

        return True, message, "new_user"