const { AppStoreServerAPI, Environment, decodeRenewalInfo, decodeTransaction, decodeTransactions } = require("app-store-server-api")
// or
import { AppStoreServerAPI, Environment, decodeRenewalInfo, decodeTransaction, decodeTransactions } from "app-store-server-api"

const KEY = 
`-----BEGIN PRIVATE KEY-----
MHcCAQEEIPWH5lyoG7Wbzv71ntF6jNvFwwJLKYmPWN/KBD4qJfMcoAoGCCqGSM49
AwEHoUQDQgAEMOlUa/hmyAPU/RUBds6xzDO8QNrTFhFwzm8E4wxDnSAx8R9WOMnD
cVGdtnbLFIdLk8g4S7oAfV/gGILKuc+Vqw==
-----END PRIVATE KEY-----`

const KEY_ID = "ABCD123456"
const ISSUER_ID = "91fa5999-7b54-4363-a2a8-265363fa6cbe"
const APP_BUNDLE_ID = "com.yourcompany.app"

const api = new AppStoreServerAPI(
  KEY, KEY_ID, ISSUER_ID, APP_BUNDLE_ID, Environment.Production
)

const response = await api.getTransactionHistory(originalTransactionId)

// Decoding not only reveals the contents of the transactions but also verifies that they were signed by Apple.
const transactions = await decodeTransactions(response.signedTransactions)

for (let transaction of transactions) {
  // Do something with your transactions...
}

// The response contains at most 20 entries. You can check to see if there are more.
if (response.hasMore) {
  const nextResponse = await api.getTransactionHistory(originalTransactionId, { revision: response.revision })
  // ...
}

// Import parameter types
import { ProductTypeParameter, SortParameter } from "app-store-server-api"

const response = await api.getTransactionHistory(originalTransactionId, {
  productType: ProductTypeParameter.AutoRenewable,
  sort: SortParameter.Descending,
})

const response = await api.getSubscriptionStatuses(originalTransactionId)

// Find the transaction you're looking for
const item = response.data[0].lastTransactions.find(item => item.originalTransactionId === originalTransactionId)

const transactionInfo = await decodeTransaction(item.signedTransactionInfo)
const renewalInfo = await decodeRenewalInfo(item.signedRenewalInfo)

// Import the status type
import { OrderLookupStatus } from "app-store-server-api"

const response = await api.lookupOrder(orderId)

if (response.status === OrderLookupStatus.Valid) {
    const transactions = await decodeTransactions(response.signedTransactions)
    /// ...
}

const response = await api.requestTestNotification()
// response.testNotificationToken identifies the notification that will be sent.

const response = await api.getTestNotificationStatus("ae0e2185-a3c6-47e4-b41a-6ef4bc86314e_1656062546521")

// Start and end date are required. 
// The earliest supported start date is June 6th (the start of WWDC 2022).
const response = await api.getNotificationHistory({
  startDate: 1654466400000, // June 6th 2022
  endDate: new Date().getTime()
})

// Check if there are more items.
if (response.hasMore) {
  // Use history.paginationToken to fetch additional items.
}

import { decodeNotificationPayload, isDecodedNotificationDataPayload, isDecodedNotificationSummaryPayload } from "app-store-server-api"

// signedPayload is the body sent by Apple
const payload = await decodeNotificationPayload(signedPayload)

// You might want to check that the bundle ID matches that of your app
if (payload.data.bundleId === APP_BUNDLE_ID) {
  // Handle the notification...
}

// Notifications can contain either a data field or a summary field but never both.
// Use the provided type guards to determine which is present.
if (isDecodedNotificationDataPayload(payload)) {
  // payload is of type DecodedNotificationDataPayload
}

if (isdecodedNotificationSummaryPayload(payload)) {
  // payload is of type DecodedNotificationSummaryPayload
}

import { decodeTransactions, APPLE_ROOT_CA_G3_FINGERPRINT } from "app-store-server-api"

const LOCAL_ROOT_FINGERPRINT = "AA:BB:CC:DD:..."
const fingerprint = (process.env.NODE_ENV === "production") ? APPLE_ROOT_CA_G3_FINGERPRINT : LOCAL_ROOT_FINGERPRINT
const transactions = await decodeTransactions(response.signedTransactions, fingerprint)