"""
UserProfileManager - Gestisce il profilo utente persistente estratto dalle conversazioni
"""
import json
import os
from datetime import datetime
from typing import Dict, Any

class UserProfileManager:
    """Gestisce il profilo utente persistente estratto dalle conversazioni"""

    def __init__(self, profile_path: str):
        self.profile_path = profile_path
        self.profile = self._load_or_create()

    def _load_or_create(self) -> Dict[str, Any]:
        """Carica profilo esistente o crea nuovo"""
        if os.path.exists(self.profile_path):
            try:
                with open(self.profile_path, 'r', encoding='utf-8') as f:
                    return json.load(f)
            except (json.JSONDecodeError, IOError) as e:
                print(f"[WARNING] Errore caricamento profilo: {e}. Creo nuovo profilo.")
                return self._create_empty_profile()
        else:
            return self._create_empty_profile()

    def _create_empty_profile(self) -> Dict[str, Any]:
        """Crea struttura profilo vuoto"""
        return {
            "personal": {
                "name": None,
                "family": {},
                "residence": None
            },
            "professional": {
                "company": None,
                "role": None,
                "colleagues": []
            },
            "preferences": {
                "topics_of_interest": [],
                "conversation_style": None
            },
            "metadata": {
                "created_at": datetime.now().isoformat(),
                "last_updated": datetime.now().isoformat(),
                "total_conversations": 0
            }
        }

    def save(self):
        """Persiste il profilo su disco"""
        try:
            self.profile["metadata"]["last_updated"] = datetime.now().isoformat()

            # Crea directory se non esiste
            os.makedirs(os.path.dirname(self.profile_path), exist_ok=True)

            # Salva con formattazione leggibile
            with open(self.profile_path, 'w', encoding='utf-8') as f:
                json.dump(self.profile, f, indent=2, ensure_ascii=False)
        except IOError as e:
            print(f"[ERROR] Impossibile salvare profilo: {e}")

    def get_profile_summary(self) -> str:
        """Genera rappresentazione testuale del profilo per system prompt"""
        parts = []

        # Personal info
        if self.profile["personal"]["name"]:
            parts.append(f"Nome utente: {self.profile['personal']['name']}")

        if self.profile["personal"]["family"]:
            family_items = []
            for k, v in self.profile["personal"]["family"].items():
                if isinstance(v, list):
                    family_items.append(f"{k}: {', '.join(v)}")
                else:
                    family_items.append(f"{k}: {v}")

            if family_items:
                parts.append(f"Famiglia: {'; '.join(family_items)}")

        if self.profile["personal"]["residence"]:
            parts.append(f"Residenza: {self.profile['personal']['residence']}")

        # Professional info
        if self.profile["professional"]["company"]:
            role_text = self.profile["professional"]["role"] if self.profile["professional"]["role"] else "ruolo non specificato"
            parts.append(f"Lavoro: {role_text} presso {self.profile['professional']['company']}")

        if self.profile["professional"]["colleagues"]:
            colleagues_str = ", ".join(self.profile["professional"]["colleagues"])
            parts.append(f"Colleghi: {colleagues_str}")

        # Interests
        if self.profile["preferences"]["topics_of_interest"]:
            topics_str = ", ".join(self.profile["preferences"]["topics_of_interest"])
            parts.append(f"Interessi: {topics_str}")

        if not parts:
            return "Nessuna informazione sul profilo utente disponibile."

        return "\n".join(parts)

    def update_from_extraction(self, extracted_info: Dict[str, Any]):
        """Aggiorna profilo con info estratte da Claude"""
        updated = False

        # Nome
        if "name" in extracted_info and extracted_info["name"]:
            if self.profile["personal"]["name"] != extracted_info["name"]:
                self.profile["personal"]["name"] = extracted_info["name"]
                updated = True

        # Famiglia
        if "family" in extracted_info and extracted_info["family"]:
            for key, value in extracted_info["family"].items():
                if value:  # Solo se non è null o vuoto
                    if key not in self.profile["personal"]["family"] or self.profile["personal"]["family"][key] != value:
                        self.profile["personal"]["family"][key] = value
                        updated = True

        # Residenza
        if "residence" in extracted_info and extracted_info["residence"]:
            if self.profile["personal"]["residence"] != extracted_info["residence"]:
                self.profile["personal"]["residence"] = extracted_info["residence"]
                updated = True

        # Azienda
        if "company" in extracted_info and extracted_info["company"]:
            if self.profile["professional"]["company"] != extracted_info["company"]:
                self.profile["professional"]["company"] = extracted_info["company"]
                updated = True

        # Ruolo
        if "role" in extracted_info and extracted_info["role"]:
            if self.profile["professional"]["role"] != extracted_info["role"]:
                self.profile["professional"]["role"] = extracted_info["role"]
                updated = True

        # Colleghi
        if "colleagues" in extracted_info and extracted_info["colleagues"]:
            for colleague in extracted_info["colleagues"]:
                if colleague and colleague not in self.profile["professional"]["colleagues"]:
                    self.profile["professional"]["colleagues"].append(colleague)
                    updated = True

        # Interessi
        if "interests" in extracted_info and extracted_info["interests"]:
            for interest in extracted_info["interests"]:
                if interest and interest not in self.profile["preferences"]["topics_of_interest"]:
                    self.profile["preferences"]["topics_of_interest"].append(interest)
                    updated = True

        # Salva se ci sono stati aggiornamenti
        if updated:
            self.save()

        return updated