import {
  Mqtt
} from '@/utils/mqtt.js'
import store from '@/store/index.js'

function init (pdaId, mqttConnection, subscription, publication) {
  store.dispatch('savePdaId', pdaId)
  store.dispatch('saveMqttConnection', mqttConnection)
  store.dispatch('saveSubscription', subscription)
  store.dispatch('savePublication', publication)
  //   store.dispatch('saveMqttClient', );
  //   pdaId = pdaId
  //   mqttConnection = mqttConnection
  //   console.log(mqttConnection);
  //   subscription = subscription
  //   publication = publication
  connectMqtt()
}

function connectMqtt () {
  let mqttClient = store.state.mqttClient
  mqttClient = new Mqtt(store.state.mqttConnection)
  mqttClient.createConnection()
  mqttClient.client.on('connect', () => {
    console.log('MQTT Connection succeeded!')
  })
  mqttClient.doSubscribe(store.state.subscription)
  // 使用过程中的报错 断开连接 服务端出问题
  mqttClient.client.on('error', error => {
    console.log('Connection failed', error)
  })
  mqttClient.client.on('message', (topic, message) => {
    mqttOnMessage(topic, message)
  })
}

function disConnectMqtt () {
  if (store.state.mqttConnection) {
    store.state.mqttConnection.destroyConnection()
    store.state.mqttConnection = null 
  }
}

function mqttOnMessage (topic, message) {
  let pdaId = 'PDA_1010'
  // console.log(topic, message.toString())
  const arraysSignal = message.toString().split('|')
  const mSource = arraysSignal[0] // MES
  // const m_Command = arraysSignal[1]
  const mOpName = arraysSignal[2]
  switch (mSource) {
    case 'BarCode':
      switch (mOpName) {
        case pdaId:
          // const BarValue = arraysSignal[3]
          connectMessage(arraysSignal[3], message)
          // uni.$emit("connect-mqttOnMessage", arraysSignal[3], message)
          // this.mqttSendMessage(`PDABarCode|Bar|${mOpName}|${BarValue}`)
          break
        default:
          console.log(`消息工位号不匹配：${message.toString()};工位号：${pdaId}`)
          break
      }
      break
    default:
      console.log(`消息来源不匹配：${message.toString()};工位号：${pdaId}`) 
      break
  }
}

function connectMessage (val, msg) {
  // window.dispatchEvent(new CustomEvent('onmessageMqtt', {
  //   detail: {
  //     data: val
  //   }
  // }))
  // window.addEventListener('onmessageMqtt', this.getMqttMessage)
  store.dispatch('saveMqttMsg', val)
}
 
// function mqttSendMessage (message) {
//   publication.payload = message
//   mqttClient.doPublish(this.publication)
// }
export {
  init,
  mqttOnMessage,
  disConnectMqtt,
  connectMessage
}