import asyncio
import numpy as np
from typing import Dict, List, Any, Optional
import logging
import pickle
from dataclasses import dataclass
from enum import Enum
import hashlib

class MemoryState(Enum):
    """États de la mémoire quantique"""
    COHERENT = "coherent"
    SUPERPOSITION = "superposition"
    ENTANGLED = "entangled"
    MEASURED = "measured"
    DECOHERED = "decohered"

@dataclass
class QuantumMemoryCell:
    """Cellule de mémoire quantique"""
    address: str
    data: Any
    quantum_state: np.ndarray
    coherence: float
    entangled_with: List[str]
    access_time: float

class QuantumMemory:
    """
    Système de mémoire quantique avancé
    avec stockage en superposition et intrication
    """
    
    def __init__(self, capacity: int = 1000):
        self.logger = logging.getLogger("quantum_memory")
        self.capacity = capacity
        self.memory_cells: Dict[str, QuantumMemoryCell] = {}
        self.coherence_time = 3600.0  # 1 heure en secondes
        self.access_latency = 0.001  # 1ms
        
    async def initialize(self):
        """Initialise la mémoire quantique"""
        self.logger.info("💾 Initialisation de la mémoire quantique...")
        
        try:
            await self._initialize_memory_grid()
            await self._calibrate_memory_controllers()
            
            self.logger.info(f"✅ Mémoire quantique initialisée: {self.capacity} cellules")
            return True
            
        except Exception as e:
            self.logger.error(f"❌ Erreur d'initialisation mémoire: {e}")
            return False
    
    async def store_quantum_data(self, data: Any, address: Optional[str] = None) -> str:
        """Stocke des données en mémoire quantique"""
        try:
            if address is None:
                address = self._generate_quantum_address(data)
            
            # Encodage quantique des données
            quantum_state = await self._encode_quantum_state(data)
            
            cell = QuantumMemoryCell(
                address=address,
                data=data,
                quantum_state=quantum_state,
                coherence=1.0,
                entangled_with=[],
                access_time=asyncio.get_event_loop().time()
            )
            
            self.memory_cells[address] = cell
            await self._maintain_coherence(address)
            
            self.logger.info(f"💫 Données stockées à l'adresse quantique: {address}")
            return address
            
        except Exception as e:
            self.logger.error(f"Erreur stockage quantique: {e}")
            raise
    
    async def retrieve_quantum_data(self, address: str, measure: bool = False) -> Any:
        """Récupère des données de la mémoire quantique"""
        try:
            if address not in self.memory_cells:
                raise ValueError(f"Adresse mémoire introuvable: {address}")
            
            cell = self.memory_cells[address]
            
            # Mise à jour du temps d'accès
            cell.access_time = asyncio.get_event_loop().time()
            
            if measure:
                # Mesure (collapsus de la fonction d'onde)
                await self._collapse_quantum_state(cell)
                return cell.data
            else:
                # Accès quantique non destructif
                return await self._quantum_read(cell)
                
        except Exception as e:
            self.logger.error(f"Erreur récupération quantique: {e}")
            raise
    
    async def entangle_memory_cells(self, address_a: str, address_b: str) -> bool:
        """Intrique deux cellules de mémoire"""
        try:
            if address_a not in self.memory_cells or address_b not in self.memory_cells:
                raise ValueError("Adresses mémoire introuvables")
            
            cell_a = self.memory_cells[address_a]
            cell_b = self.memory_cells[address_b]
            
            cell_a.entangled_with.append(address_b)
            cell_b.entangled_with.append(address_a)
            
            # Mise en intrication des états quantiques
            await self._create_entangled_state(cell_a, cell_b)
            
            self.logger.info(f"🔗 Cellules mémoire intriquées: {address_a} ↔ {address_b}")
            return True
            
        except Exception as e:
            self.logger.error(f"Erreur intrication mémoire: {e}")
            return False
    
    async def quantum_superposition_store(self, data_list: List[Any]) -> str:
        """Stocke plusieurs données en superposition quantique"""
        try:
            address = self._generate_quantum_address(str(data_list))
            
            # Création d'un état de superposition
            superposition_state = await self._create_superposition_state(data_list)
            
            cell = QuantumMemoryCell(
                address=address,
                data=data_list,
                quantum_state=superposition_state,
                coherence=1.0,
                entangled_with=[],
                access_time=asyncio.get_event_loop().time()
            )
            
            self.memory_cells[address] = cell
            self.logger.info(f"🌀 Données en superposition stockées: {len(data_list)} états")
            return address
            
        except Exception as e:
            self.logger.error(f"Erreur stockage superposition: {e}")
            raise
    
    async def quantum_pattern_recognition(self, pattern: Any) -> List[str]:
        """Reconnaissance de pattern quantique accélérée"""
        try:
            # Simulation d'algorithme quantique de reconnaissance
            matching_addresses = []
            
            for address, cell in self.memory_cells.items():
                if await self._quantum_pattern_match(cell.data, pattern):
                    matching_addresses.append(address)
            
            return matching_addresses
            
        except Exception as e:
            self.logger.error(f"Erreur reconnaissance pattern: {e}")
            return []
    
    async def _initialize_memory_grid(self):
        """Initialise la grille de mémoire quantique"""
        self.logger.info("🔲 Initialisation de la grille de mémoire...")
        
        # Création des cellules de mémoire initiales
        for i in range(min(100, self.capacity)):
            address = f"qmem_{i:06x}"
            self.memory_cells[address] = QuantumMemoryCell(
                address=address,
                data=None,
                quantum_state=np.array([1.0, 0.0]),
                coherence=1.0,
                entangled_with=[],
                access_time=0.0
            )
    
    async def _calibrate_memory_controllers(self):
        """Calibre les contrôleurs de mémoire"""
        self.logger.info("🎛️ Calibration des contrôleurs de mémoire...")
        await asyncio.sleep(0.2)
        
        self.access_latency = random.uniform(0.0005, 0.002)
        self.logger.info(f"📊 Latence d'accès: {self.access_latency*1000:.1f}ms")
    
    async def _encode_quantum_state(self, data: Any) -> np.ndarray:
        """Encode des données dans un état quantique"""
        data_hash = hashlib.md5(pickle.dumps(data)).hexdigest()
        hash_int = int(data_hash[:8], 16)
        
        # Conversion en état quantique
        angle = (hash_int % 360) * np.pi / 180
        return np.array([np.cos(angle), np.sin(angle)])
    
    async def _create_superposition_state(self, data_list: List[Any]) -> np.ndarray:
        """Crée un état de superposition pour plusieurs données"""
        n_states = len(data_list)
        return np.ones(n_states) / np.sqrt(n_states)
    
    async def _create_entangled_state(self, cell_a: QuantumMemoryCell, cell_b: QuantumMemoryCell):
        """Crée un état intriqué entre deux cellules"""
        # État de Bell (|00⟩ + |11⟩)/√2
        entangled_state = np.array([1/np.sqrt(2), 0, 0, 1/np.sqrt(2)])
        # Pour simplifier, on stocke une référence à l'état intriqué
        cell_a.quantum_state = entangled_state
        cell_b.quantum_state = entangled_state
    
    async def _collapse_quantum_state(self, cell: QuantumMemoryCell):
        """Effectue une mesure quantique (collapsus)"""
        probabilities = np.abs(cell.quantum_state)**2
        outcome = np.random.choice(len(probabilities), p=probabilities)
        
        # Mise à jour de l'état après mesure
        cell.quantum_state = np.zeros_like(cell.quantum_state)
        cell.quantum_state[outcome] = 1.0
        cell.coherence = 0.0  # Décohérence après mesure
    
    async def _quantum_read(self, cell: QuantumMemoryCell) -> Any:
        """Lecture quantique non destructive"""
        return cell.data
    
    async def _quantum_pattern_match(self, data: Any, pattern: Any) -> bool:
        """Vérifie la correspondance de pattern quantique"""
        if data is None:
            return False
        
        # Simulation d'algorithme quantique
        data_str = str(data)
        pattern_str = str(pattern)
        
        # Correspondance quantique approximative
        return pattern_str.lower() in data_str.lower()
    
    async def _maintain_coherence(self, address: str):
        """Maintient la cohérence quantique d'une cellule"""
        cell = self.memory_cells[address]
        # Simulation de la préservation de cohérence
        cell.coherence = max(0.0, cell.coherence - 0.01)
    
    def _generate_quantum_address(self, data: Any) -> str:
        """Génère une adresse quantique unique"""
        data_hash = hashlib.md5(pickle.dumps(data)).hexdigest()
        return f"qaddr_{data_hash[:12]}"
    
    def get_memory_statistics(self) -> Dict[str, Any]:
        """Retourne les statistiques de mémoire"""
        used_cells = sum(1 for cell in self.memory_cells.values() if cell.data is not None)
        entangled_pairs = sum(len(cell.entangled_with) for cell in self.memory_cells.values()) // 2
        
        return {
            "total_capacity": self.capacity,
            "used_cells": used_cells,
            "available_cells": self.capacity - used_cells,
            "entangled_pairs": entangled_pairs,
            "avg_coherence": np.mean([cell.coherence for cell in self.memory_cells.values()]),
            "memory_usage": used_cells / self.capacity
        }

# Instance globale de la mémoire quantique
quantum_memory = QuantumMemory()

async def initialize_quantum_memory_system():
    """Initialise le système de mémoire quantique"""
    return await quantum_memory.initialize()

async def store_in_quantum_memory(data: Any):
    """Stocke des données en mémoire quantique"""
    return await quantum_memory.store_quantum_data(data)