import { ApnsClient } from 'apns2'

const client = new ApnsClient({
  team: `TFLP87PW54`,
  keyId: `123ABC456`,
  signingKey: fs.readFileSync(`${__dirname}/path/to/auth.p8`),
  defaultTopic: `com.tablelist.Tablelist`,
  requestTimeout: 0, // optional, Default: 0 (without timeout)
  keepAlive: true, // optional, Default: 5000
})

import { Notification } from 'apns2'

const bn = new Notification(deviceToken, { alert: 'Hello, World' })

try {
  await client.send(bn)
} catch (err) {
  console.error(err.reason)
}

import { Notification } from 'apns2'

const bn = new Notification(deviceToken, {
  alert: 'Hello, World',
  badge: 4,
  data: {
    userId: user.getUserId
  }
})

try {
  await client.send(bn)
} catch (err) {
  console.error(err.reason)
}

import { SilentNotification } from 'apns2'

const sn = new SilentNotification(deviceToken)

try {
  await client.send(sn)
} catch (err) {
  console.error(err.reason)
}

import { Notification } from 'apns2'

const notifications = [
  new Notification(deviceToken1, { alert: 'Hello, World' }),
  new Notification(deviceToken2, { alert: 'Hello, World' })
]

try {
  await client.sendMany(notifications)
} catch (err) {
  console.error(err.reason)
}

import { Notification } from 'apns2'

const notification = new Notification(deviceToken, {
  aps: { ... }
})

try {
  await client.send(notification)
} catch(err) {
  console.error(err.reason)
}

import { Errors } from 'apns2'

// Listen for a specific error
client.on(Errors.badDeviceToken, (err) => {
  // Handle accordingly...
  // Perhaps delete token from your database
  console.error(err.reason, err.statusCode, err.notification.deviceToken)
})

// Listen for any error
client.on(Errors.error, (err) => {
  console.error(err.reason, err.statusCode, err.notification.deviceToken)
})

const client = new ApnsClient({
  host: 'api.push.apple.com'
  ...
})

const client = new ApnsClient({
  host: 'api.sandbox.push.apple.com'
  ...
})