"""Create error_monitor
Generated by Phi-Octopus Eden
2025-12-14 09:30:47.360208
"""

# Type hint imports
from typing import Dict, Any, Optional
from datetime import datetime

# Constants for error levels
ERROR_LEVELS = {
    'CRITICAL': 4,
    'HIGH': 3,
    'MEDIUM': 2,
    'LOW': 1
}

class ErrorMonitorException(Exception):
    """Custom exception class for monitoring errors."""
    def __init__(self, message: str, details: Dict[str, Any] = None):
        super().__init__(message)
        self.details = details or {}

class Observer:
    """Observer pattern implementation to notify subscribers about events."""
    
    def update(self, event: str, data: Dict[str, Any]) -> None:
        raise NotImplementedError("Subclasses should implement this method.")

class ConsoleLogger(Observer):
    """Console logger observer for printing error messages."""
    
    def update(self, event: str, data: Dict[str, Any]) -> None:
        print(f"[{datetime.now()}] {event}: {data['message']}")
        
class ErrorMonitorCapability:
    """
    Advanced capability for monitoring and managing errors in Eden's processes.
    
    This class implements a sophisticated error monitoring system with state tracking,
    customizable thresholds, and observer pattern notifications.
    """
    
    def __init__(self):
        self.name = "Error Monitor"
        self._observers = []
        self.error_stats = {}  # Track error statistics
        self.max_error_count = ERROR_LEVELS['CRITICAL']
        
    def register_observer(self, observer: Observer) -> None:
        """Register an observer to receive event notifications."""
        if isinstance(observer, Observer):
            self._observers.append(observer)
            
    def unregister_observer(self, observer: Observer) -> None:
        """Unregister an observer from receiving event notifications."""
        self._observers.remove(observer)
        
    def notify_observers(self, event: str, data: Dict[str, Any]) -> None:
        """Notify all registered observers about the given event with data."""
        for observer in self._observers:
            observer.update(event, data)
            
    def log_error(self, message: str, level: str = 'LOW') -> None:
        """
        Log an error with a specific level (default: LOW).
        
        Args:
            message (str): The error message to be logged.
            level (str): Error severity level from ERROR_LEVELS.
        Raises:
            ErrorMonitorException: If the error exceeds critical threshold.
        """
        if level not in ERROR_LEVELS:
            raise ValueError(f"Invalid error level: {level}")
            
        self.error_stats[level] = self.error_stats.get(level, 0) + 1
        
        # Check for critical errors
        if self.error_stats[level] >= self.max_error_count:
            details = {
                'occurrences': self.error_stats[level],
                'last_occurrence': datetime.now().isoformat()
            }
            raise ErrorMonitorException(message, details=details)
            
        data = {'message': message, 'level': level}
        self.notify_observers('ERROR', data)
        
    def log_warning(self, message: str) -> None:
        """Log a warning message."""
        data = {'message': message, 'level': 'WARNING'}
        self.notify_observers('WARNING', data)
        
    def stats(self) -> Dict[str, Any]:
        """Return current error statistics."""
        return {
            'total_errors': sum(self.error_stats.values()),
            'error_rates': {k: v / 10 for k, v in self.error_stats.items()},
            'last_check': datetime.now().isoformat()
        }
    
# Example usage
if __name__ == "__main__":
    em = ErrorMonitorCapability()
    
    console_logger = ConsoleLogger()
    em.register_observer(console_logger)
    
    try:
        # Simulate some errors
        for _ in range(5):
            em.log_error("Sample error message", level='MEDIUM')
            
        for _ in range(2):
            em.log_warning("Sample warning message")
            
    except ErrorMonitorException as e:
        print(f"Critical error detected: {e}")
        
    finally:
        stats = em.stats()
        print("\nError Statistics:")
        print(stats)<|fim_middle|>