import { spawn } from 'child_process'
import chai from 'chai'
import chaiAsPromised from 'chai-as-promised'
import btc from 'better-try-catch'
chai.use(chaiAsPromised)
const expect = chai.expect

import { Consumer } from '../src'

const USOCKET = __dirname + '/sample.sock'

let uconsumer = new Consumer(USOCKET, {name:'test-uconsumer'})
let tcpconsumer = new Consumer({name:'test-tcpconsumer'})

const delay = time => new Promise(res=>setTimeout(()=>res(),time))

let usocket = {}
let tcpsocket = {}

describe('Connects and Processes a payload in a JSON packet', function(){

  before(async function(){
    usocket = spawn('node',['-r', '@std/esm', './test/usocket'])
    usocket.stdout.on('data', function(buf) {
      console.log('[Socket]', String(buf))
    })

    tcpsocket = spawn('node',['-r', '@std/esm', './test/tcpsocket'])
    tcpsocket.stdout.on('data', function(buf) {
      console.log('[Socket]', String(buf))
    })

    await delay(500) // wait for sockets to get going
  })

  after(async function(){
    usocket.kill()
    tcpsocket.kill()
  })

  it('via unix socket', async function () {

    return new Promise(async function (resolve, reject) {

      const app = {
        processPacket: function (packet) {
          try {
            expect(packet.payload).to.equal('processed unix payload')
            resolve()
          }
          catch(error) {
            reject(error)
          }
        }
      }

      let [err] = await btc(uconsumer.connect.bind(uconsumer))(app)
      if (err) reject(err)
      let packet = {payload:'unix payload'}
      uconsumer.send(packet)

    }) //end promise

  }) // end unix socket test

  it('via tcp socket', async function () {

    return new Promise(async function (resolve, reject) {

      const app = {
        processPacket: function (packet) {
          try {
            expect(packet.payload).to.equal('processed tcp payload')
            resolve()
          }
          catch(error) {
            reject(error)
          }
        }
      }

      let [err] = await btc(tcpconsumer.connect.bind(tcpconsumer))(app)
      if (err) reject(err)
      let packet = {payload:'tcp payload'}
      tcpconsumer.send(packet)

    }) //end promise

  }) // end unix socket test

})