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 uconsumer2 = new Consumer(USOCKET, {name:'test-uconsumer-2'})
let tcpconsumer = new Consumer({name:'test-tcpconsumer'})
let tcpconsumer2 = new Consumer({port:9080, packetProcessor:'test', name:'test-tcpconsumer-2'})


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

let usocket = {}
let tcpsocket = {}
let tcpsocket2 = {}

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))
    })

    tcpsocket2 = spawn('node',['-r', '@std/esm', './test/tcpsocket2'])
    tcpsocket2.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()
    tcpsocket2.kill()
  })

  it('via unix socket with defaults testing stream JSON packet parser, 10 packets', async function () {

    uconsumer.times = 0

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

      setTimeout(() =>{ reject('10 packets not received in time')},1900)

      uconsumer.processPacket = function (packet) {
        this.times++
        if (this.times<10) return

        try {
          // expect(packet.payload).to.equal('unix payload')
          expect(packet.payload).to.equal('unix payload')
          resolve()
        }
        catch(error) {
          reject(error)
        }
      }

      let [err] = await btc(uconsumer.connect)()
      if (err) reject(err)
      let packet = {payload:'unix payload'}
      for (var i = 0; i < 11; i++) {
        uconsumer.send(packet)
      }

    }) //end promise

  }) // end unix socket test


  it('unix socket with two consumers alternating packets, 10 packets each', async function () {

    uconsumer.times = 0

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

      setTimeout(() =>{ reject('10 packets not received in time')},1900)

      uconsumer.processPacket = function (packet) {
        this.times++
        if (this.times<10) return

        try {
          // expect(packet.payload).to.equal('unix payload')
          expect(packet.payload).to.equal('unix payload')
          resolve()
        }
        catch(error) {
          reject(error)
        }
      }

      uconsumer2.processPacket = function (packet) {
        return packet
      }


      let [err] = await btc(uconsumer2.connect)()
      console.log('connect error', err)
      let packet = {payload:'unix payload'}
      for (var i = 0; i < 11; i++) {
        uconsumer.send(packet)
        uconsumer2.send(packet)
      }

    }) //end promise

  }) // end unix socket test


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

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

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

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

    }) //end promise

  }) // end tcp socket test

  it('via alternate port tcp socket with attached custom socket processing and alt named socket processing', async function () {

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

      tcpconsumer2.test = function (packet) {
        try {
          expect(packet.payload).to.equal('alt tcp processed tcp payload')
          resolve()
        }
        catch(error) {
          reject(error)
        }
      }

      let [err] = await btc(tcpconsumer2.connect)()
      if (err) reject(err)
      let packet = {payload:'tcp payload'}
      tcpconsumer2.send(packet)

    }) //end promise

  }) // end tcp socket 2 test


})