import DOMPurify from 'dompurify';

export function formatEmailContent(email: any): string {
  if (!email) {
    console.log('formatEmailContent: No email provided');
    return '';
  }
  
  try {
    console.log('formatEmailContent: Raw email content:', {
      content: email.content,
      html: email.html,
      text: email.text,
      formattedContent: email.formattedContent
    });
    
    // Get the content in order of preference
    let content = '';
    
    if (email.content && typeof email.content === 'object') {
      console.log('formatEmailContent: Using object content:', email.content);
      content = email.content.html || email.content.text || '';
    } else if (typeof email.content === 'string') {
      console.log('formatEmailContent: Using direct string content');
      content = email.content;
    } else if (email.html) {
      console.log('formatEmailContent: Using html content');
      content = email.html;
    } else if (email.text) {
      console.log('formatEmailContent: Using text content');
      content = email.text;
    } else if (email.formattedContent) {
      console.log('formatEmailContent: Using formattedContent');
      content = email.formattedContent;
    }
    
    console.log('formatEmailContent: Content before sanitization:', content);
    
    // Sanitize the content for display while preserving formatting
    const sanitizedContent = DOMPurify.sanitize(content, {
      ADD_TAGS: ['style', 'table', 'thead', 'tbody', 'tr', 'td', 'th'],
      ADD_ATTR: ['class', 'style', 'dir', 'colspan', 'rowspan'],
      ALLOW_DATA_ATTR: false
    });
    
    console.log('formatEmailContent: Final sanitized content:', sanitizedContent);
    
    return sanitizedContent;
  } catch (error) {
    console.error('formatEmailContent: Error formatting email content:', error);
    return '';
  }
}