import axios from "axios";
import { ElLoading, ElMessage } from "element-plus";
import { saveAs } from "file-saver";
import { getToken } from "@/utils/auth";
import errorCode from "@/utils/errorCode";
import { blobValidate } from "@/utils/ruoyi";

const baseURL = import.meta.env.VITE_APP_BASE_API;
let downloadLoadingInstance;

export default {
  name(name, isDelete = true) {
    var url =
      baseURL +
      "/common/download?fileName=" +
      encodeURIComponent(name) +
      "&delete=" +
      isDelete;
    axios({
      method: "get",
      url: url,
      responseType: "blob",
      headers: { Authorization: "Bearer " + getToken() },
    }).then((res) => {
      const isBlob = blobValidate(res.data);
      if (isBlob) {
        const blob = new Blob([res.data]);
        this.saveAs(blob, decodeURIComponent(res.headers["download-filename"]));
      } else {
        this.printErrMsg(res.data);
      }
    });
  },
  resource(resource) {
    var url =
      baseURL +
      "/common/download/resource?resource=" +
      encodeURIComponent(resource);
    axios({
      method: "get",
      url: url,
      responseType: "blob",
      headers: { Authorization: "Bearer " + getToken() },
    }).then((res) => {
      const isBlob = blobValidate(res.data);
      if (isBlob) {
        const blob = new Blob([res.data]);
        this.saveAs(blob, decodeURIComponent(res.headers["download-filename"]));
      } else {
        this.printErrMsg(res.data);
      }
    });
  },
  zip(url, name) {
    var url = baseURL + url;
    downloadLoadingInstance = ElLoading.service({
      text: "正在下载数据，请稍候",
      background: "rgba(0, 0, 0, 0.7)",
    });
    axios({
      method: "get",
      url: url,
      responseType: "blob",
      headers: { Authorization: "Bearer " + getToken() },
    })
      .then((res) => {
        const isBlob = blobValidate(res.data);
        if (isBlob) {
          const blob = new Blob([res.data], { type: "application/zip" });
          this.saveAs(blob, name);
        } else {
          this.printErrMsg(res.data);
        }
        downloadLoadingInstance.close();
      })
      .catch((r) => {
        console.error(r);
        ElMessage.error("下载文件出现错误，请联系管理员！");
        downloadLoadingInstance.close();
      });
  },
  saveAs(text, name, opts) {
    saveAs(text, name, opts);
  },
  async printErrMsg(data) {
    const resText = await data.text();
    const rspObj = JSON.parse(resText);
    const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode["default"];
    ElMessage.error(errMsg);
  },
};