'use strict'

// NOTE: `stompit` is bundled into the deployment package
// eslint-disable-next-line import/no-unresolved
const stompit = require('stompit')

function consumer(event, context, callback) {
  const functionName = 'consumer'
  const messages = event.messages.map((message) =>
    Buffer.from(message.data, 'base64').toString(),
  )
  // eslint-disable-next-line no-console
  console.log(functionName, JSON.stringify(messages))
  return callback(null, event)
}

async function producer() {
  const connectOptions = {
    host: process.env.MQ_HOST,
    port: 61614,
    ssl: true,
    connectHeaders: {
      login: process.env.MQ_USERNAME,
      passcode: process.env.MQ_PASSWORD,
    },
  }
  const queueName = process.env.QUEUE_NAME

  const sendPromise = new Promise((resolve, reject) => {
    stompit.connect(connectOptions, (error, client) => {
      if (error) {
        console.log(`connect error ${error.message}`)
        reject(error)
      }

      const frame = client.send({
        destination: queueName,
        'content-type': 'text/plain',
      })
      frame.write('Hello from Apache MQ Integration test!')
      frame.end()

      client.disconnect()
      resolve()
    })
  })

  await sendPromise

  return {
    statusCode: 200,
  }
}

module.exports = { producer, consumer }