import fs from 'fs'
import path from 'path'
import matter from 'gray-matter'

const SRC_DIR = '/home/andre/coden/Kniepunkt/Kniepunkt-Visuals'
const DEST_DIR = path.join(process.cwd(), 'public', 'images', 'kniepunkt')
const CONTENT_DIR = path.join(process.cwd(), 'content', 'kniepunkt')

if (!fs.existsSync(DEST_DIR)) {
  fs.mkdirSync(DEST_DIR, { recursive: true })
}

const images = fs.readdirSync(SRC_DIR).filter(f => f.endsWith('.png'))
const mdFiles = fs.readdirSync(CONTENT_DIR).filter(f => f.endsWith('.md'))

images.forEach(img => {
  // Extract number from image name
  const match = img.match(/(\d{1,3})/)
  if (!match) return
  
  // Normalize number string to 3 digits (e.g., '1' -> '001', '12' -> '012')
  const numStr = match[1].padStart(3, '0')
  
  // Find matching markdown file
  const mdFile = mdFiles.find(f => f.startsWith(numStr + '-'))
  if (mdFile) {
    // Copy image
    const safeName = `${numStr}-cover.png`
    fs.copyFileSync(path.join(SRC_DIR, img), path.join(DEST_DIR, safeName))
    
    // Update frontmatter
    const mdPath = path.join(CONTENT_DIR, mdFile)
    const data = matter(fs.readFileSync(mdPath, 'utf8'))
    data.data.image = `/images/kniepunkt/${safeName}`
    
    fs.writeFileSync(mdPath, matter.stringify(data.content, data.data))
    console.log(`Matched and updated: ${numStr}`)
  } else {
    console.log(`No markdown file found for image: ${img} (expected prefix ${numStr}-)`)
  }
})