core/infrastructure/registry.py

from typing import Optional

from core.interfaces.services import (
    IAIService,
    IAuditService,
    IAuthService,
    IDBService,
    IMonitoringService,
    IPerformanceMonitor,
)


class ServiceRegistry:
    _instance: Optional["ServiceRegistry"] = None

    def __init__(self):
        self.audit_service: Optional[IAuditService] = None
        self.monitoring_service: Optional[IMonitoringService] = None
        self.performance_monitor: Optional[IPerformanceMonitor] = None
        self.ai_service: Optional[IAIService] = None
        self.auth_service: Optional[IAuthService] = None
        self.db_service: Optional[IDBService] = None

    @classmethod
    def get_instance(cls) -> "ServiceRegistry":
        if cls._instance is None:
            cls._instance = ServiceRegistry()
        return cls._instance


# Global registry instance
kernel_registry = ServiceRegistry.get_instance()