class Ajax {

  get(params) {
    lui.loading();
   return new Promise((resolve,reject) => {
     $.ajax({
       type: "GET",
       url: this.url() + params.url,
       data: params.data,
       success: (msg) =>{
         lui.loading('close')
         resolve(this.onreadystatechange(msg))
       },
       error: (err) => {
         lui.loading('close')
         console.log(err)
       }
     });
   })
  }


  onreadystatechange(res) {
    switch (res.status) {
      case 200:
        return res.result
        break;
      case 404:
        throw new Error(res.msg);
        break;

    }
  }

  url() {
    switch (config.stage) {
      case "dev":
        return config.devUrl;
        break;
      case "test":
        return config.testUrl;
        break;
      case "prod":
        return config.prodUrl;
        break;
    }
  }
}

var ajax = new Ajax()