const fs = require('fs');
const path = require('path');

const filePath = path.join(__dirname, '../src/lib/blog-data.ts');
let content = fs.readFileSync(filePath, 'utf-8');

// Fix the date formatting issue in metadata divs
// Replace "undefined NaN, NaN" with proper formatted dates from the post data

const postRegex = /slug:\s*"([^"]+)"[\s\S]*?date:\s*"([^"]+)"[\s\S]*?updatedAt:\s*"([^"]+)"[\s\S]*?<div class="post-metadata[^>]*>[\s\S]*?<strong>Published:<\/strong>\s*[^|]*\s*\|\s*<strong>Last updated:<\/strong>\s*undefined NaN, NaN/gm;

let match;
const replacements = [];

// First pass: collect all post slugs with their correct dates
const postDatesRegex = /slug:\s*"([^"]+)"[\s\S]*?date:\s*"([^"]+)"[\s\S]*?updatedAt:\s*"([^"]+)"/gm;

while ((match = postDatesRegex.exec(content)) !== null) {
  const slug = match[1];
  const publishDate = match[2]; // e.g., "February 16, 2026"
  const updatedDate = match[3]; // e.g., "2026-01-26"
  
  // Format the updated date
  const [year, month, day] = updatedDate.split('-');
  const months = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
  const formattedUpdated = `${months[parseInt(month) - 1]} ${parseInt(day)}, ${year}`;
  
  replacements.push({
    slug,
    publishDate,
    updatedDate: formattedUpdated
  });
}

// Now replace the broken metadata divs
replacements.forEach(({ slug, publishDate, updatedDate }) => {
  const pattern = new RegExp(
    `(<div class="post-metadata[^>]*>[\s\S]*?<strong>Published:<\/strong>\s*)${publishDate.replace(/[.*+?^${}()|[\]\\]/g, '\$&')}([\s\S]*?<strong>Last updated:<\/strong>\s*)undefined NaN, NaN`,
    'gm'
  );
  
  content = content.replace(pattern, `$1${publishDate}$2${updatedDate}`);
});

fs.writeFileSync(filePath, content, 'utf-8');
console.log(`✅ Fixed date formatting in ${replacements.length} posts`);