function base64ToUint8Array(base64String) {
  const binaryString = atob(base64String)
  const byteArray = new Uint8Array(binaryString.length)
  for (let i = 0; i < binaryString.length; i++) {
    byteArray[i] = binaryString.charCodeAt(i)
  }
  return byteArray
}

function utf8ToUint8Array(utf8String) {
  return new TextEncoder().encode(utf8String)
}

function uint8ArrayToBase64(uint8Array) {
  let binaryString = ""
  const len = uint8Array.byteLength
  for (let i = 0; i < len; i++) {
    binaryString += String.fromCharCode(uint8Array[i])
  }
  return btoa(binaryString)
}

function uint8ArrayToUtf8(uint8Array) {
  return new TextDecoder().decode(uint8Array)
}

async function decryptData(keyBase64, ivBase64, encryptedDataBase64) {
  const keyBuffer = await crypto.subtle.importKey(
    "raw",
    base64ToUint8Array(keyBase64),
    "AES-CBC",
    false,
    ["decrypt"]
  )

  const encryptedDataBuffer = base64ToUint8Array(encryptedDataBase64)
  const ivBuffer = base64ToUint8Array(ivBase64)
  const decryptedDataBuffer = await crypto.subtle.decrypt(
    { name: "AES-CBC", iv: ivBuffer },
    keyBuffer,
    encryptedDataBuffer
  )

  const decryptedData = uint8ArrayToUtf8(new Uint8Array(decryptedDataBuffer))
  return decryptedData
}
async function encryptData(keyBase64, ivBase64, data) {
  const keyBuffer = await crypto.subtle.importKey(
    "raw",
    base64ToUint8Array(keyBase64),
    "AES-CBC",
    false,
    ["encrypt"]
  )

  const dataBuffer = utf8ToUint8Array(data)
  const ivBuffer = base64ToUint8Array(ivBase64)
  const encryptedDataBuffer = await crypto.subtle.encrypt(
    { name: "AES-CBC", iv: ivBuffer },
    keyBuffer,
    dataBuffer
  )

  const encryptedData = uint8ArrayToBase64(new Uint8Array(encryptedDataBuffer))
  return encryptedData
}

const keyBase64 = "MTIzNDU2Nzg5MDEyMzQ1Njc4OTAxMjM0NTY3ODkwMTI="
const ivBase64 = btoa("abcdefghijklmnop")
const data = "_0XBPWQQ_60d7f996-04e1-4e2f-b7e9-1d1139b808ea"

// Encrypt the data
const encryptedData = await encryptData(keyBase64, ivBase64, data)

// Decrypt the data
const decryptedData = await decryptData(keyBase64, ivBase64, encryptedData)

// const tegwpjke = await encryptData(
//   "MTIzNDU2Nzg5MDEyMzQ1Njc4OTAxMjM0NTY3ODkwMTI=",
//   btoa("abcdefghijklmnop"),
//   "_0XBPWQQ_60d7f996-04e1-4e2f-b7e9-1d1139b808ea"
// )

// console.log(tegwpjke)