import datetime
import xml.etree.ElementTree as ET

def pretty_print_element(elem: ET.Element, level: int = 0, max_line: int = 80) -> str:
    """Convert ElementTree element to pretty-printed string with custom formatting."""
    indent = '    ' * level
    
    # Handle empty elements
    if not elem.text and not elem.tail and not elem.attrib and len(elem) == 0:
        return f'{indent}<{elem.tag}/>'
        
    # Build opening tag with attributes
    tag = elem.tag
    attrs = elem.attrib
    if attrs:
        attr_strings = [f'{k}="{v}"' for k, v in sorted(attrs.items())]
        attr_str = ' ' + ' '.join(attr_strings)
        
        if len(indent) + len(tag) + len(attr_str) + 2 > max_line:
            attr_indent = indent + '    '
            attr_str = '\n' + '\n'.join(f'{attr_indent}{a}' for a in attr_strings)
    else:
        attr_str = ''
    
    parts = [f'{indent}<{tag}{attr_str}>']
    
    # Handle text content
    if elem.text and isinstance(elem.text, str) and elem.text.strip():
        text = elem.text
        if ']]>' in text:
            escaped = text.replace('&', '&amp;') \
                        .replace('<', '&lt;') \
                        .replace('>', '&gt;') \
                        .replace('"', '&quot;') \
                        .replace("'", '&apos;')
            parts.append(f'{indent}    {escaped}')
        else:
            parts.append(f'{indent}    <![CDATA[{text}]]>')
    
    # Handle children
    for child in elem:
        parts.append(pretty_print_element(child, level + 1, max_line))
        if child.tail and child.tail.strip():
            parts.append(f'{indent}    {child.tail}')
            
    parts.append(f'{indent}</{tag}>')
    return '\n'.join(parts)

def format_timestamp(timestamp: datetime) -> str:
        return timestamp.strftime("%Y%m%d_%H%M%S_%f")[:-3]