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

const CONTENT_DIR = path.join(process.cwd(), 'content')
const KNIEPUNKT_DIR = path.join(CONTENT_DIR, 'kniepunkt')
const POSTS_DIR = path.join(CONTENT_DIR, 'posts')

function getFiles(dir) {
  return fs.readdirSync(dir).map(f => path.join(dir, f)).filter(f => f.endsWith('.md'))
}

const allFiles = [...getFiles(KNIEPUNKT_DIR), ...getFiles(POSTS_DIR)]

allFiles.forEach(file => {
  if (fs.existsSync(file)) {
    let raw = fs.readFileSync(file, 'utf8')
    let data = matter(raw)
    let content = data.content
    
    // Clean up quotes
    let newContent = content
      .replace(/ "\n/g, '\n')
      .replace(/\n"\n/g, '\n')
      .replace(/\n"/g, '\n')
      .replace(/^"/g, '')
      .replace(/"$/g, '')
      .replace(/ "\r\n/g, '\r\n')
      .replace(/\r\n"\r\n/g, '\r\n')
      .replace(/\r\n"/g, '\r\n')
      .replace(/  +/g, ' ') // Optional: remove double spaces if any
    
    // Some files have `KI-Quiz, Teil 1: einfache Fragen"` at the very top
    newContent = newContent.replace(/"\n/g, '\n');

    if (newContent !== data.content) {
      data.content = newContent
      fs.writeFileSync(file, matter.stringify(data.content, data.data))
      console.log(`Cleaned up quotes in ${path.basename(file)}`)
    }
  }
})