export default defineEventHandler(async (event) => {
  const auth = getAuth(event)

  const { uuid } = await readBody(event)

  const coll = db.collection('whitelist')

  const doc = await coll.findOne({ uuid: uuid })
 
  if (doc && !doc.verified) return { code: doc.code, verified: false }
  if (doc && doc.verified) return { verified: true }

  await coll.createIndex({ code: 1 }, { unique: true })

  const code = await insertDoc(coll, uuid)

  return { code: code.toString(), verified: false }
});

const insertDoc = async (coll, uuid) => {
  try {
    const code = Math.floor(100000 + Math.random() * 900000)
    await coll.insertOne({ uuid: uuid, verified: false, code: code.toString() })

    return code;
  } catch (e) {
    const code = await insertDoc(coll, uuid)
    return code;
  }
}