"""
SmartTimeConverter
Generated by Eden via recursive self-improvement
2025-10-28 03:22:17.515834
"""

class Timezone:
    def __init__(self, name, utc_offset, dst_observed=False, dst_active=False):
        """
        Represents a time zone with its properties.
        
        Args:
            name (str): Name of the time zone (e.g., "New York", "London").
            utc_offset (int): UTC offset in hours (e.g., -5 for EST).
            dst_observed (bool, optional): Whether DST is observed. Defaults to False.
            dst_active (bool, optional): Whether DST is currently active. Defaults to False.
        """
        self.name = name
        self.utc_offset = utc_offset  # In hours
        self.dst_observed = dst_observed
        self.dst_active = dst_active

def add_timezone(timezones_dict, name, utc_offset, dst_observed=False):
    """
    Add a new time zone to the dictionary of available time zones.
    
    Args:
        timezones_dict (dict): Dictionary storing Timezone objects.
        name (str): Name of the time zone to add.
        utc_offset (int): UTC offset in hours.
        dst_observed (bool, optional): Whether DST is observed. Defaults to False.
        
    Returns:
        bool: True if timezone was added successfully, False otherwise.
    """
    if not isinstance(timezones_dict, dict):
        raise ValueError("Invalid timezones dictionary.")
    if name in timezones_dict:
        return False
    new_zone = Timezone(name, utc_offset, dst_observed)
    timezones_dict[name] = new_zone
    return True

def convert_time(timestamp, from_zone, to_zone, timezones_dict):
    """
    Convert a given timestamp from one time zone to another.
    
    Args:
        timestamp (int): POSIX timestamp (in seconds since epoch).
        from_zone (str): Source time zone name.
        to_zone (str): Target time zone name.
        timezones_dict (dict): Dictionary of Timezone objects.
        
    Returns:
        int: Converted timestamp in the target time zone.
        
    Raises:
        ValueError: If invalid time zones are provided.
    """
    if from_zone not in timezones_dict or to_zone not in timezones_dict:
        raise ValueError("Invalid time zone(s).")
    
    # Convert source timestamp to UTC
    utc_timestamp = timestamp + (timezones_dict[from_zone].utc_offset * 3600)
    
    # Convert UTC timestamp to target time zone
    converted_timestamp = utc_timestamp - (timezones_dict[to_zone].utc_offset * 3600)
    return converted_timestamp

def get_local_time(timestamp, timezone_name, timezones_dict):
    """
    Get the local time in a specific time zone.
    
    Args:
        timestamp (int): POSIX timestamp (in seconds since epoch).
        timezone_name (str): Name of the target time zone.
        timezones_dict (dict): Dictionary of Timezone objects.
        
    Returns:
        int: Local timestamp adjusted for the specified time zone.
    """
    if timezone_name not in timezones_dict:
        raise ValueError("Invalid time zone.")
    return timestamp + (timezones_dict[timezone_name].utc_offset * 3600)

# Example usage
if __name__ == "__main__":
    import os
    
    # Initialize a dictionary of time zones
    timezones = {}
    
    # Add major time zones
    add_timezone(timezones, "New_York", -5, dst_observed=True)
    add_timezone(timezones, "London", 0, dst_observed=True)
    add_timezone(timezones, "Tokyo", 9, dst_observed=False)
    add_timezone(timezones, "Sydney", 10, dst_observed=True)
    
    # Example usage
    try:
        # Convert a timestamp from New York to London
        ny_timestamp = 1672540800  # January 1, 2023 ( POSIX timestamp )
        print("New York time:", ny_timestamp)
        london_timestamp = convert_time(ny_timestamp, "New_York", "London", timezones)
        print("London time:", london_timestamp)
        
        # Get local time in Tokyo
        tokyo_local = get_local_time(london_timestamp, "Tokyo", timezones)
        print("Tokyo local time:", tokyo_local)
    except ValueError as e:
        print("Error:", str(e))