import { MessageBox } from 'element-ui'
import {getPrinterUrl} from '../api/label/printer'

// ====页面动态加载C-Lodop云打印必须的文件CLodopfuncs.js====

var head = document.head || document.getElementsByTagName('head')[0] || document.documentElement

var oscript = document.createElement('script')

// 让本机的浏览器打印(更优先一点)：

oscript = document.createElement('script')

oscript.src = 'http://localhost:8000/CLodopfuncs.js?priority=2'

head.insertBefore(oscript, head.firstChild)

// 加载双端口(8000和18000）避免其中某个端口被占用：

oscript = document.createElement('script')

oscript.src = 'http://localhost:18000/CLodopfuncs.js?priority=1'

head.insertBefore(oscript, head.firstChild)

// 下载loadLodop

function loadLodop() {

  window.open( window.SITE_CONFIG['baseUrl']+'/printer/download')

}

// ====获取LODOP对象的主过程：====

function getLodop() {

  var LODOP

  try {

    LODOP = getCLodop()

    if (!LODOP && document.readyState !== 'complete') {

      MessageBox.alert('C-Lodop print control is not ready, please try again later!')

      return

    }

    return LODOP

  } catch (err) {

    MessageBox({

      title: 'Information',

      type: 'warning',

      confirmButtonText: 'Confirm',
      cancelButtonText: 'Cancel',
      zIndex: 3000,

      message: 'You haven’t install the printing component, you can follow the steps in Manual to complete the installation, then close and reopen the window again, it should be fixed',

      callback: res => {

        if (res === 'confirm') {

          loadLodop()

        }

      }

    })

  }

}

export default getLodop