import Vue from 'vue'
import { Loading } from 'element-ui'

Vue.prototype.GLOBAL ={
  //用户cookie
  user_key:'user',
  //服务器地址
  server_address:'http://127.0.0.1:8080',
  // 检查元素可见
  visible_in_container:function(p,e) {
    var z = p.getBoundingClientRect();
    var r = e.getBoundingClientRect();

    // Check style visiblilty and off-limits
    return !(r.top > z.bottom || r.bottom < z.top ||
        r.left > z.right || r.right < z.left);
  },
  //发送json请求
  fetchJSON(url,method, form, success){
    fetch(this.server_address + url, {
      body:JSON.stringify(form),
      method: method,
      headers: {
        'Content-Type': 'application/json'
      },
      credentials: "include"
    }).then(res=>res.json()).then(res=>success(res)).catch(err=>{
      console.error(err)
    })
  },
  //发送get请求
  fetchGet(url,params,success,json=true){
    if (params) {
      let paramsArray = [];
      //拼接参数
      Object.keys(params).forEach(key => paramsArray.push(key + '=' + params[key]))
      if (url.search(/\?/) === -1) {
        url += '?' + paramsArray.join('&')
      } else {
        url += '&' + paramsArray.join('&')
      }
    }

    if(json) {
      fetch(this.server_address + url, {
        method: 'GET',
        credentials: "include"
      }).then(res => res.json()).then(res => success(res)).catch(err => {
        console.error(err)
      })
    }else{
      fetch(this.server_address + url, {
        method: 'GET',
        credentials: "include"
      }).then(res=>res.text()).then(res=>success(res))
    }
  },


}
//阅读论文
Vue.prototype.$read= function(item) {
  let loadingInstance =Loading.service({});
  let that=this
  this.GLOBAL.fetchGet(`/v1/api/paper/content/${item.id}`,{},function(res) {
    item.content=res
    that.$store.commit('menus/read')
    that.$store.commit('read/open', item)
    that.$router.push(that.localePath('/read'))
    loadingInstance.close()
  },false)
}