function processExcerptShortcodes(excerptHtml) {
  if (!excerptHtml) return '';
  
  let processed = excerptHtml;
  
  // First, decode HTML entities to regular characters
  // Handle both numeric entities (”) and named entities (")
  processed = processed
    // Decode numeric HTML entities first
    .replace(/&#(\d+);/g, (match, dec) => String.fromCharCode(dec))
    
    // Then handle any remaining Unicode characters
    .replace(/”/g, '"')  // ” - Right double quote
    .replace(/“/g, '"')  // “ - Left double quote
    .replace(/„/g, ',')  // „ - Low double quote
    .replace(/‟/g, '"')  // ‟ - High double quote
    .replace(/‘/g, "'")  // ‘ - Left single quote
    .replace(/’/g, "'")  // ’ - Right single quote
    .replace(/–/g, '-')  // – - En dash
    .replace(/—/g, '—')  // — - Em dash
    .replace(/…/g, '…')  // … - Ellipsis
    .replace(/″/g, '"')  // ″ - Inches/Prime
    .replace(/′/g, "'")  // ′ - Feet/Prime
    .replace(/‚/g, ',')  // ‚ - Single low quote
    .replace(/‛/g, '`')  // ‛ - Single high reversed quote
    .replace(/•/g, '•')  // • - Bullet
    .replace(/€/g, '€')  // € - Euro
    
    // Named HTML entities
    .replace(/"/g, '"')
    .replace(/'/g, "'")
    .replace(/‘/g, "'")
    .replace(/’/g, "'")
    .replace(/“/g, '"')
    .replace(/”/g, '"')
    .replace(/–/g, '-')
    .replace(/—/g, '—')
    .replace(/…/g, '…')
    .replace(/•/g, '•')
    .replace(/€/g, '€');
  
  // Process WPBakery shortcodes with HTML entities
  processed = processed
    // vc_row - convert to div with classes
    .replace(/\[vc_row([^\]]*)\]/gi, (match, attrs) => {
      const classes = ['vc-row'];
      if (attrs.includes('full_width_background')) classes.push('full-width-bg');
      if (attrs.includes('in_container')) classes.push('in-container');
      if (attrs.includes('full_width_content')) classes.push('full-width-content');
      return `<div class="${classes.join(' ')}">`;
    })
    .replace(/\[\/vc_row\]/gi, '</div>')
    
    // vc_column - convert to div with classes
    // Handle both complete and incomplete (truncated) shortcodes
    .replace(/\[vc_column([^\]]*)\]/gi, (match, attrs) => {
      const classes = ['vc-column'];
      if (attrs.includes('1/1')) classes.push('col-1-1');
      if (attrs.includes('1/2')) classes.push('col-1-2');
      if (attrs.includes('1/3')) classes.push('col-1-3');
      if (attrs.includes('2/3')) classes.push('col-2-3');
      if (attrs.includes('1/4')) classes.push('col-1-4');
      if (attrs.includes('3/4')) classes.push('col-3-4');
      if (attrs.includes('5/12')) classes.push('col-5-12');
      if (attrs.includes('7/12')) classes.push('col-7-12');
      return `<div class="${classes.join(' ')}">`;
    })
    // Also handle incomplete vc_column shortcodes (truncated at end of excerpt)
    .replace(/\[vc_column([^\]]*)$/gi, (match, attrs) => {
      const classes = ['vc-column'];
      if (attrs.includes('1/1')) classes.push('col-1-1');
      if (attrs.includes('1/2')) classes.push('col-1-2');
      if (attrs.includes('1/3')) classes.push('col-1-3');
      if (attrs.includes('2/3')) classes.push('col-2-3');
      if (attrs.includes('1/4')) classes.push('col-1-4');
      if (attrs.includes('3/4')) classes.push('col-3-4');
      if (attrs.includes('5/12')) classes.push('col-5-12');
      if (attrs.includes('7/12')) classes.push('col-7-12');
      return `<div class="${classes.join(' ')}">`;
    })
    .replace(/\[\/vc_column\]/gi, '</div>')
    
    // vc_column_text - convert to div
    .replace(/\[vc_column_text([^\]]*)\]/gi, '<div class="vc-column-text">')
    .replace(/\[\/vc_column_text\]/gi, '</div>')
    
    // nectar_cta - convert to button
    .replace(/\[nectar_cta([^\]]*)link_text="([^"]*)"(.*?)url="([^"]*)"(.*?)\]/gi, 
      '<a href="$4" class="nectar-cta">$2</a>')
    
    // nectar_highlighted_text - convert to span
    .replace(/\[nectar_highlighted_text([^\]]*)\](.*?)\[\/nectar_highlighted_text\]/gi, 
      '<span class="nectar-highlighted">$2</span>')
    
    // nectar_responsive_text - convert to span
    .replace(/\[nectar_responsive_text([^\]]*)\](.*?)\[\/nectar_responsive_text\]/gi, 
      '<span class="nectar-responsive">$2</span>')
    
    // nectar_icon_list - convert to ul
    .replace(/\[nectar_icon_list([^\]]*)\]/gi, '<ul class="nectar-icon-list">')
    .replace(/\[\/nectar_icon_list\]/gi, '</ul>')
    
    // nectar_icon_list_item - convert to li
    .replace(/\[nectar_icon_list_item([^\]]*)header="([^"]*)"(.*?)text="([^"]*)"(.*?)\]/gi, 
      '<li><strong>$2</strong>: $4</li>')
    
    // nectar_btn - convert to button
    .replace(/\[nectar_btn([^\]]*)text="([^"]*)"(.*?)url="([^"]*)"(.*?)\]/gi, 
      '<a href="$4" class="nectar-btn">$2</a>')
    
    // split_line_heading - convert to heading
    .replace(/\[split_line_heading([^\]]*)text_content="([^"]*)"(.*?)\]/gi, 
      '<h2 class="split-line-heading">$2</h2>')
    
    // vc_row_inner - convert to div
    .replace(/\[vc_row_inner([^\]]*)\]/gi, '<div class="vc-row-inner">')
    .replace(/\[\/vc_row_inner\]/gi, '</div>')
    
    // vc_column_inner - convert to div
    .replace(/\[vc_column_inner([^\]]*)\]/gi, '<div class="vc-column-inner">')
    .replace(/\[\/vc_column_inner\]/gi, '</div>')
    
    // divider - convert to hr
    .replace(/\[divider([^\]]*)\]/gi, '<hr class="divider" />')
    
    // vc_gallery - convert to div (placeholder)
    .replace(/\[vc_gallery([^\]]*)\]/gi, '<div class="vc-gallery">[Gallery]</div>')
    
    // vc_raw_js - remove or convert to div
    .replace(/\[vc_raw_js\](.*?)\[\/vc_raw_js\]/gi, '<div class="vc-raw-js">[JavaScript]</div>')
    
    // nectar_gmap - convert to div
    .replace(/\[nectar_gmap([^\]]*)\]/gi, '<div class="nectar-gmap">[Google Map]</div>');
  
  // Remove any remaining shortcodes
  processed = processed.replace(/\[.*?\]/g, '');
  
  // Clean up any HTML that might be broken
  processed = processed.replace(/<p[^>]*>\s*<\/p>/gi, '');
  processed = processed.replace(/<div[^>]*>\s*<\/div>/gi, '');
  
  // Normalize whitespace
  processed = processed.replace(/\s+/g, ' ').trim();
  
  return processed;
}

// Extract excerpt from content

module.exports = processExcerptShortcodes;