#!/usr/bin/env node

// Test script to verify HTML entity decoding works correctly

const testExcerpt = '<p>[vc_row type=”in_container” full_screen_row_position=”middle” column_margin=”default” column_direction=”default” column_direction_tablet=”default” column_direction_phone=”default” scene_position=”center” text_color=”dark” text_align=”left” row_border_radius=”none” row_border_radius_applies=”bg” overflow=”visible” overlay_strength=”0.3″ gradient_direction=”left_to_right” shape_divider_position=”bottom” bg_image_animation=”none”][vc_column column_padding=”no-extra-padding” column_padding_tablet=”inherit” column_padding_phone=”inherit” column_padding_position=”all” column_element_direction_desktop=”default” column_element_spacing=”default” desktop_text_alignment=”default” tablet_text_alignment=”default” phone_text_alignment=”default” background_color_opacity=”1″ background_hover_color_opacity=”1″ column_backdrop_filter=”none” column_shadow=”none” column_border_radius=”none” column_link_target=”_self” column_position=”default” gradient_direction=”left_to_right” overlay_strength=”0.3″ width=”1/1″ tablet_width_inherit=”default” animation_type=”default” bg_image_animation=”none” border_type=”simple” column_border_width=”none” column_border_style=”solid”][vc_column_text css=”” text_direction=”default”]\n<h1 class=\"p1\">Liefer- und Zahlungsbedingungen</h1>\n<p class=\"p1\">Stand November 2024</p>\n[/vc_column_text][/vc_column][/vc_row]</p>';

// Process excerpts specifically to handle shortcodes comprehensively
function processExcerptShortcodes(excerptHtml) {
  if (!excerptHtml) return '';
  
  let processed = excerptHtml;
  
  // First, decode HTML entities to regular characters
  // Use a comprehensive approach that handles both numeric and named entities
  processed = processed
    // Numeric HTML entities commonly found in WordPress raw data
    .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, '"')  // “ - Left double quote
    .replace(/”/g, '"')  // ” - Right double quote
    .replace(/„/g, ',')  // „ - Low double quote
    .replace(/‟/g, '"')  // ‟ - High double quote
    .replace(/•/g, '•')  // • - Bullet
    .replace(/…/g, '…')  // … - Ellipsis
    .replace(/€/g, '€')  // € - Euro
    
    // Unicode characters (from rendered content)
    .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, '•')   // Bullet
    
    // 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
    .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>');
  
  // 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;
}

console.log('=== HTML Entity Decoding Test ===\n');
console.log('Original excerpt:');
console.log(testExcerpt);
console.log('\n--- After processing ---\n');
const result = processExcerptShortcodes(testExcerpt);
console.log(result);

// Test specific entity decoding
console.log('\n=== Specific Entity Tests ===');
const entityTests = [
  { input: '”', expected: '"', name: 'Right double quote' },
  { input: '“', expected: '"', name: 'Left double quote' },
  { input: '–', expected: '-', name: 'En dash' },
  { input: '—', expected: '—', name: 'Em dash' },
  { input: '‘', expected: "'", name: 'Left single quote' },
  { input: '’', expected: "'", name: 'Right single quote' },
  { input: 'type=”in_container”', expected: 'type="in_container"', name: 'Full attribute' }
];

entityTests.forEach(test => {
  const processed = test.input.replace(/”/g, '"').replace(/“/g, '"').replace(/–/g, '-').replace(/—/g, '—').replace(/‘/g, "'").replace(/’/g, "'");
  const passed = processed === test.expected;
  console.log(`${test.name}: ${passed ? '✅' : '❌'} "${test.input}" → "${processed}" (expected: "${test.expected}")`);
});