import Base from  '../src/base'

const BROKER = 'nas.kebler.net'
const TOPICS = ['set/testing/+']  // listen for a set command

const commands = {
  on: function(packet){
    return new Promise( async (resolve) => {
      console.log(`turning switch on for id ${packet.id||packet.data}`)
      console.log('entire packet',packet)
      // call switch on here
      let res = {}
      res.cmd='status'
      res.state='on'
      res.id = packet.id
      this.push(packet)
      return resolve(res)
    })
  },
  off: function(packet){
    return new Promise( async (resolve) => {
      console.log(packet)
      console.log(`turning switch off for id ${packet.id||packet.data}`)
      // call switch on here
      let res = {}
      res.cmd='status'
      res.state='off'
      res.id = packet.id
      return resolve(res)
    })
  }
}

let  relays = new Base({id:'homeassistant-example'})

relays.commands = relays.bindFuncs(commands)

;
(async () => {
  await relays.addSocket('mqs','s','m', {host:BROKER, topics:TOPICS})
  relays.addNamespace('commands','s')
  register.call(relays,'mqs')
  await relays.init()

})().catch(err => {
  console.error('FATAL: UNABLE TO START SYSTEM!\n',err)
  process.kill(process.pid, 'SIGTERM')
})




///***************** HOME ASSISTANT ************************
// formats incoming and outgoing packets for HA convention

const STATUS_TOPIC = 'status/testing'

function register(name) {

  this.beforeProcessHook(async (packet) => {
    console.log('incoming mqtt packet to modify')
    console.dir(packet)
    let modified = Object.assign({},packet)
    let cmd = packet.cmd.split('/')
    modified.cmd = `${packet.data.toLowerCase()}`
    modified.id = cmd[2]
    delete modified.data
    console.log('translated to uci packet')
    console.dir(modified)
    return modified
    // return packet
  },
  {name:name})

  this.afterProcessHook(async (packet) => {
    console.log('processed packet available to modify again', packet)
    if (packet.error) {
      let npacket = {}
      npacket.cmd = 'error'
      npacket.payload = JSON.stringify(packet)
      return npacket
    }
    if (packet.cmd === 'status') {
      packet.cmd = `${STATUS_TOPIC}/${packet.id}`
      packet.payload = packet.state.toUpperCase()
      console.log('=============modified packet sent to broker================')
      console.dir(packet)
      console.log('================')
    }
    return packet
  },
  {name:name})

  // this.beforeSendHook(async (packet) => {
  //   console.log('beforeSendHook', packet)
  // if (packet.cmd === 'status') {
  //   let num = Object.keys(packet.pins)[0]
  //   packet.cmd = `${STATUS_TOPIC}/${num}`
  //   packet.payload = packet.pins[num] ? 'ON' : 'OFF'
  //   console.log('=============modified packet sent to broker================')
  //   console.dir(packet)
  //   console.log('================')
  // }
  //   return packet
  // },
  // {name:name})

}