export function parseEmailHeaders(emailBody: string): { from: string; subject: string; date: string } {
  const headers: { [key: string]: string } = {};
  
  // Split the email body into lines
  const lines = emailBody.split('\r\n');
  
  // Parse headers
  for (const line of lines) {
    if (line.trim() === '') break; // Stop at the first empty line (end of headers)
    
    const match = line.match(/^([^:]+):\s*(.+)$/);
    if (match) {
      const [, key, value] = match;
      headers[key.toLowerCase()] = value;
    }
  }
  
  return {
    from: headers['from'] || '',
    subject: headers['subject'] || '',
    date: headers['date'] || new Date().toISOString()
  };
}