import { Client } from '@stomp/stompjs'
import { isObject, get } from 'lodash-es'
let client
const options = {
  brokerURL: 'ws://localhost:15674/ws',
  connectHeaders: {
    host: 'hxmsg',
    login: 'huaxin',
    passcode: '1234qwerasdf'
  },
  reconnectDelay: 5000,
  heartbeatIncoming: 4000,
  heartbeatOutgoing: 4000
}
/**
 * 初始化stomp并订阅指定地址
 * @param {Object} subscribes 订阅配置 {[url]:(msg)=>{}} key:订阅地址;value:回调函数
 * @returns
 */
const initClient = (subscribes) => {
  client = new Client(options)
  client.onConnect = (res) => {
    console.log('is connected')
    if (!isObject(subscribes)) return
    for (const url in subscribes) {
      const cb = subscribes[url]
      client.subscribe(url, (msg) => {
        let body = get(msg, 'body')
        if (body) body = JSON.parse(body)
        cb(body)
      })
    }
  }
  client.onStompError = (res) => {
    console.log('connect error')
    console.log(res)
  }
  client.activate()
  return client
}

export { initClient }