from bs4 import BeautifulSoup

def clean_email_html(html_content: str):
    if not html_content:
        return ""
    
    # Parse the HTML
    soup = BeautifulSoup(html_content, "html.parser")
    
    # Remove script and style elements (CSS and JS)
    # This is important! otherwise the AI reads the code as text
    for script_or_style in soup(["script", "style", "head", "title", "meta"]):
        script_or_style.decompose()
    
    # Get text and replace multiple spaces/newlines with a single space
    text = soup.get_text(separator=' ')
    
    # Clean up extra whitespace
    lines = (line.strip() for line in text.splitlines())
    chunks = (phrase.strip() for line in lines for phrase in line.split("  "))
    clean_text = ' '.join(chunk for chunk in chunks if chunk)
    
    return clean_text