import axios from "axios";
import store from "@/store";
import { getToken } from "@/utils/auth";
import { getDownLoadFileStatus } from "@/utils/iClearExp.js";
import { alertWarningMsg } from "@/utils/index.js";

const mimeMap = {
  xlsx: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
  xlsm: "application/vnd.ms-excel.sheet.macroEnabled.12",
  xls: "application/vnd.ms-excel",
  zip: "application/zip",
  pdf: "application/pdf",
  png: "image/png",
  jpg: "image/jpeg",
  docx: "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
};

const apiUrl = {
  //exl
  declareDataModel: "/bus-customer/declareData/downloadTemplate",
  // 清单查询下载
  listExport: "/bus-customer/exportList/listExport",
};

const baseUrl = process.env.VUE_APP_BASE_API;

export function downLoadZip(urlStatus, str, filename, type, method, data) {
  return new Promise((resolve, reject) => {
    var url = "";
    if (urlStatus == "api") {
      url = baseUrl + apiUrl[str];
    } else if (urlStatus == "res") {
      url = str;
    }
    console.log(url);

    if (method == "get" && data) {
      url = url + "?";
      for (const propName of Object.keys(data)) {
        const value = data[propName];
        var part = encodeURIComponent(propName) + "=";
        if (value !== null && typeof value !== "undefined") {
          if (typeof value === "object") {
            for (const key of Object.keys(value)) {
              let params = propName + "[" + key + "]";
              var subPart = encodeURIComponent(params) + "=";
              url += subPart + encodeURIComponent(value[key]) + "&";
            }
          } else {
            url += part + encodeURIComponent(value) + "&";
          }
        }
      }
      url = url.slice(0, -1);
    }

    axios({
      method: method,
      url: url,
      data: data,
      responseType: "blob",
      headers: {
        Authorization: "Bearer " + getToken(),
        Ver: process.env.VUE_APP_APIVERSION,
      },
    })
      .then((res) => {
        if (filename == null) {
          if (res.headers["content-disposition"]) {
            var patt = new RegExp("filename=([^;]+\\.[^\\.;]+);*");
            var contentDisposition = decodeURI(
              res.headers["content-disposition"]
            );
            var result = patt.exec(contentDisposition);
            filename = result[0].split("=")[1];
          } else {
            filename = "error";
          }
        }
        resolveBlob(res, mimeMap[type], filename);
        resolve();
      })
      .catch(() => {
        reject();
      });
  });
}
/**
 * 解析blob响应内容并下载
 * @param {*} res blob响应内容
 * @param {String} mimeType MIME类型
 */
export function resolveBlob(res, mimeType, filename) {
  const aLink = document.createElement("a");
  var blob = new Blob([res.data], { type: mimeType });
  if (blob.size < 500) {
    var reader = new FileReader();
    reader.readAsText(blob, "utf-8");
    reader.onloadend = () => {
      // 获取文本内容并将其转换为JSON格式
      if (reader.result && reader.result != null && reader.result != "") {
        // try {
        //   JSON.parse(reader.result)
        // } catch (error) {

        // }
        if (JSON.parse(reader.result)) {
          var jsonData = JSON.parse(reader.result);
          alertWarningMsg(jsonData.message);
        } else {
          alertWarningMsg("文件无法下载,请重新生成后再试！");
        }
      } else {
        alertWarningMsg("文件无法下载,请重新生成后再试！");
      }
    };
  } else {
    // //从response的headers中获取filename, 后端response.setHeader("Content-disposition", "attachment; filename=xxxx.docx") 设置的文件名;
    // var patt = new RegExp('filename=([^;]+\\.[^\\.;]+);*')
    // var contentDisposition = decodeURI(res.headers['content-disposition'])
    // var result = patt.exec(contentDisposition)
    var fileName = filename;
    fileName = fileName.replace(/\"/g, "");
    aLink.href = URL.createObjectURL(blob);
    aLink.setAttribute("download", fileName); // 设置下载文件名称
    document.body.appendChild(aLink);
    aLink.click();
    document.body.removeChild(aLink);
  }
}

export function downLoadFile(url, filename, type) {
  const aLink = document.createElement("a");
  const fileName = filename;
  aLink.href = URL.createObjectURL(url);
  aLink.setAttribute("download", fileName); // 设置下载文件名称
  document.body.appendChild(aLink);
  aLink.click();
  document.body.removeChild(aLink);
}

export function formDataDownload(
  str,
  filename,
  type,
  method,
  data,
  exportSign
) {
  store.dispatch("SetLoadingType", {
    type: true,
    text: "正在导出中，请稍候！",
  });
  return new Promise((resolve, reject) => {
    let iframe = document.createElement("iframe");
    iframe.style.display = "none";
    iframe.name = "formTarget";
    document.getElementsByTagName("body")[0].appendChild(iframe);
    var form = document.createElement("form");
    form.target = "formTarget";
    form.action = baseUrl + apiUrl.customDownloadXls;
    form.method = method;

    var tokenInput = document.createElement("input");
    tokenInput.type = "hidden";
    tokenInput.name = "Param_Authorization";
    tokenInput.value = getToken();

    var belongBizTypeInput = document.createElement("input");
    belongBizTypeInput.type = "hidden";
    belongBizTypeInput.name = "downloadSreachData";
    belongBizTypeInput.value = JSON.stringify(data);

    var verInput = document.createElement("input");
    verInput.type = "hidden";
    verInput.name = "Param_Ver";
    verInput.value = process.env.VUE_APP_APIVERSION;

    form.appendChild(tokenInput);
    form.appendChild(belongBizTypeInput);
    form.appendChild(verInput);
    document.getElementsByTagName("body")[0].appendChild(form);
    form.submit();
    document.getElementsByTagName("body")[0].removeChild(form);
    // 查询导出结果
    // getType = setInterval(() => {
    getDownLoadFileStatus(exportSign)
      .then(() => {
        resolve();
      })
      .catch(() => {
        reject();
      });
    //   getdownloadExlFileType(exportSign).then((res) => {
    //     if (res.code == '200') {
    //       if (res.data.extra == 'true') {
    //         clearInterval(getType)
    //         store.dispatch('SetLoadingType', { type: false, text: '' })
    //         resolve()
    //       }
    //     } else {
    //       clearInterval(getType)
    //       store.dispatch('SetLoadingType', { type: false, text: '' })
    //       alertWarningMsg(res.message)
    //       reject()
    //     }
    //   }).catch(() => {
    //     clearInterval(getType)
    //     store.dispatch('SetLoadingType', { type: false, text: '' })
    //     reject()
    //   })
    // }, 1000);
  });
}

//form.submit()导出xls/xlsx
export function formSubmitDownload(url, method, data, exportSign = null) {
  return new Promise((resolve, reject) => {
    let iframe = document.createElement("iframe");
    iframe.style.display = "none";
    iframe.name = "formTarget";
    document.getElementsByTagName("body")[0].appendChild(iframe);
    var form = document.createElement("form");
    form.target = "formTarget";
    form.action = baseUrl + apiUrl[url];
    form.method = method;
    if (data) {
      let domObj = {};
      data.forEach((item, i) => {
        domObj[`input${i}`] = document.createElement("input");
        domObj[`input${i}`].type = "hidden";
        domObj[`input${i}`].name = item.key;
        domObj[`input${i}`].value = item.value;
        form.appendChild(domObj[`input${i}`]);
      });
      var tokenInput = document.createElement("input");
      tokenInput.type = "hidden";
      tokenInput.name = "Param_Authorization";
      tokenInput.value = getToken();
      form.appendChild(tokenInput);
      var verInput = document.createElement("input");
      verInput.type = "hidden";
      verInput.name = "Param_Ver";
      verInput.value = process.env.VUE_APP_APIVERSION;
      form.appendChild(verInput);
    }
    document.getElementsByTagName("body")[0].appendChild(form);
    form.submit();
    document.getElementsByTagName("body")[0].removeChild(form);
    if (exportSign != null) {
      getDownLoadFileStatus(exportSign)
        .then(() => {
          resolve();
        })
        .catch(() => {
          reject();
        });
    } else {
      resolve();
    }
  });
}