const app = getApp()
export default function Scene(config) {
  const { onLoad, onUnload } = config
  config.onLoad = function(options) {
    if (onLoad) {
      onLoad.call(this, options)
    }
    this.onNotice = function(message) {
      this.notification = this.notification || this.selectComponent('#qn-notification')
      if(this.notification){
        this.notification.notify(message)
      }
    }
  }
  config.onUnload = function(options) {
    if (onUnload) {
      onUnload.call(this, options)
    }
    let pages = getCurrentPages() //当前页面栈
    if (pages.length == 1 && pages[0].route != 'pages/index/index') {
      if (app.userInfo && app.userInfo.userId) {
        wx.redirectTo({ url: '/pages/index/index' })
      } else {
        wx.reLaunch({ url: '/pages/login/index' })
      }
    }
  }
  return Page(config)
}