import { readFileSync } from 'node:fs'

const dataFile = './server/data/album_art.json'

function cleanData(data) {
  return data.map(item => {
    const cleaned = { ...item }
    
    if (cleaned._id?.$oid) {
      cleaned.id = cleaned._id.$oid
      delete cleaned._id
    }
    
    if (cleaned.chunkSize?.$numberLong) {
      cleaned.chunkSize = parseInt(cleaned.chunkSize.$numberLong)
    }
    
    if (cleaned.uploadDate?.$date?.$numberLong) {
      cleaned.uploadDate = new Date(parseInt(cleaned.uploadDate.$date.$numberLong)).toISOString()
    }
    
    if (cleaned.length?.$numberLong) {
      cleaned.length = parseInt(cleaned.length.$numberLong)
    }
    
    return cleaned
  })
}

export default defineEventHandler(() => {
  const raw = readFileSync(dataFile, 'utf-8')
  return cleanData(JSON.parse(raw))
})