#!/usr/bin/env python3
"""
Connecteur API Quantique
Interface avec les simulateurs et calculateurs quantiques
"""

import asyncio
import random
from typing import Dict, List, Any
import logging

class QuantumAPI:
    """
    Connecteur pour les APIs quantiques
    Simulation d'accès à des calculateurs quantiques réels
    """
    
    def __init__(self):
        self.logger = logging.getLogger("quantum_api")
        self.quantum_backends = []
        self.quantum_coherence = 0.0
        
    async def initialize(self):
        """Initialise le connecteur quantique"""
        self.logger.info("⚛️ Initialisation du connecteur quantique...")
        
        try:
            await self._discover_quantum_backends()
            await self._calibrate_quantum_connection()
            
            self.quantum_coherence = 0.88
            self.logger.info("✅ Connecteur quantique initialisé")
            return True
            
        except Exception as e:
            self.logger.error(f"❌ Erreur d'initialisation quantique: {e}")
            return False
    
    async def run_quantum_circuit(self, circuit: Dict, shots: int = 1000) -> Dict[str, Any]:
        """Exécute un circuit quantique"""
        try:
            # Simulation d'exécution quantique
            results = {}
            for i in range(shots):
                outcome = ''.join(str(random.randint(0, 1)) for _ in range(circuit.get('qubits', 5)))
                results[outcome] = results.get(outcome, 0) + 1
            
            # Normalisation
            total = sum(results.values())
            probabilities = {k: v/total for k, v in results.items()}
            
            return {
                "results": results,
                "probabilities": probabilities,
                "shots": shots,
                "quantum_coherence": self.quantum_coherence,
                "execution_time": f"{random.uniform(0.1, 2.0):.3f}s",
                "backend_used": random.choice(self.quantum_backends)
            }
            
        except Exception as e:
            self.logger.error(f"Erreur d'exécution quantique: {e}")
            return {"error": str(e)}
    
    async def get_quantum_state(self, qubits: int) -> Dict[str, Any]:
        """Récupère l'état quantique actuel"""
        state_vector = [complex(random.uniform(-1, 1), random.uniform(-1, 1)) for _ in range(2**qubits)]
        
        # Normalisation
        norm = sum(abs(x)**2 for x in state_vector) ** 0.5
        normalized_state = [x/norm for x in state_vector]
        
        return {
            "qubits": qubits,
            "state_vector": normalized_state,
            "entanglement_measure": random.uniform(0.1, 0.9),
            "coherence_time": random.uniform(10, 100)
        }
    
    async def _discover_quantum_backends(self):
        """Découvre les backends quantiques disponibles"""
        self.quantum_backends = [
            "ibm_quantum_toronto",
            "rigetti_aspen_m3", 
            "ionq_harmony",
            "quantum_simulator_v2"
        ]
        
        self.logger.info(f"🔧 {len(self.quantum_backends)} backends quantiques découverts")
    
    async def _calibrate_quantum_connection(self):
        """Calibre la connexion quantique"""
        self.logger.info("📡 Calibration de la connexion quantique...")
        await asyncio.sleep(0.5)
        
        self.quantum_coherence = random.uniform(0.8, 0.97)
        self.logger.info(f"📊 Cohérence quantique: {self.quantum_coherence:.3f}")