import {renderAsync} from "docx-preview";
//let docx = require("docx-preview");
import http from '../../packages/utils/request';
import Vue from 'vue';
import LuckyExcel from 'luckyexcel';


window.openPreviewDialog = async function (fileId, suffixName, previewContainer, pageMarkerfun) {
  try {
    let formData = {fileId: fileId, suffixName: suffixName}
    Vue.prototype.$EventBus.$emit(pageMarkerfun)
    if (suffixName === 'pdf' || suffixName === 'jpg' || suffixName === 'jpeg' || suffixName === 'png') {
      if (previewContainer != null) {
        previewContainer.src = `${window.SITE_CONFIG['apiURL']}/sys/oss/content2?fileId=${fileId}`
      } else {
        alert("渲染区域未加载")
      }
    } else if (suffixName === 'doc' || suffixName === 'docx') {
      const response = await http.get('/sys/oss/content2', {params: formData, responseType: 'blob'});
      const arrayBuffer = await response.arrayBuffer();
      setTimeout(async () => {
        if (previewContainer != null) {
          await renderAsync(arrayBuffer, previewContainer);
        } else {
          alert("渲染区域未加载")
        }
      }, 100);
    } else if (suffixName === 'xls' || suffixName === 'xlsx') {
      const response = await http.get('/sys/oss/content2', {params: formData, responseType: 'blob'});
      const arrayBuffer = await response.arrayBuffer();
      // 使用 LuckyExcel 转换 Excel 文件数据
      LuckyExcel.transformExcelToLucky(arrayBuffer, function (exportJson, luckysheetfile) {
        try {
          // 使用 Luckysheet 渲染表格
          luckysheet.create({
            container: pageMarkerfun,
            data: exportJson.sheets,
            lang: 'zh',
            showtoolbar: false,
            showinfobar: false,
          });
        } catch (err) {
          console.error('渲染 Luckysheet 时出错:', err);
        }
      });
    } else {
      alert("文件类型不支持预览");
    }
  } catch (error) {
    console.log(error,'错误信息')
    if (error.message === 'Request failed with status code 404')
      alert("文件不存在请重新上传！")
  }
}


function setAccessoryFormatComm(row, pageMarker, that) {
  //一行多个文件预览
  if (row.accessoryMap) {
    let data = '';
    // 定义 title 函数
    window.titleName = async function (suffixName, fileName) {
      if (suffixName === 'pdf') {
        that.pdfName = fileName;
      } else if (suffixName == 'doc' || suffixName == 'docx') {
        that.docName = fileName;
      } else if (suffixName == 'jpg' || suffixName == 'jpeg' || suffixName == 'png') {
        that.imgName = fileName;
      } else if (suffixName == 'xls' || suffixName == 'xlsx') {
        that.xlsName = fileName;
      }
    }

    for (let key in row.accessoryMap) {
      let url = key;
      let fileName = row.accessoryMap[key];
      let suffixName = '';

      if (fileName != null) {
        let arr = fileName.split('.');
        suffixName = arr[arr.length - 1].toLowerCase();
      }

      let fileId = /_zt_oss_id=(\d+)/.exec(url);
      fileId = fileId ? fileId[1] : ''; // 获取匹配的内容，如果为空则赋值为空字符串
      let pageMarker2 = pageMarker;

      if (suffixName == 'pdf' || suffixName == 'doc' || suffixName == 'docx' || suffixName == 'jpg' || suffixName == 'jpeg' || suffixName == 'png' || suffixName == 'xls' || suffixName == 'xlsx') {
        if (suffixName == 'pdf') {
          pageMarker2 = pageMarker + '-pdf'
        } else if (suffixName == 'doc' || suffixName == 'docx') {
          pageMarker2 = pageMarker + '-doc'
        } else if (suffixName == 'jpg' || suffixName == 'jpeg' || suffixName == 'png') {
          pageMarker2 = pageMarker + '-img'
        } else if (suffixName == 'xls' || suffixName == 'xlsx') {
          pageMarker2 = pageMarker + '-xls'
        }

        // 将 title 函数的引用传递给按钮的点击事件
        data += '<span><a href="javascript:void(0)" onclick="openPreviewDialog(\'' + fileId + '\',\'' + suffixName + '\',document.getElementById(\'' + pageMarker2 + '\'),\'' + pageMarker2 + '\');return false;"> <button onclick="titleName(\'' + suffixName + '\', \'' + fileName + '\')">预览</button></a>' + fileName + '</span>';
      } else {
        data += '<span><a href="' + url + '" style="display:block;overflow:hidden;word-break:keep-all;white-space:nowrap;text-overflow:ellipsis;">' + fileName + '</a></span>';
      }
    }

    return data;
  } else {
    return '<span></span>'
  }
}


function setAccessoryFormatSingle(row, pageMarker, that) {
  //一行单个文件预览
  if (row.accessoryMap) {
    let data = '';
    for (let key in row.accessoryMap) {
      let url = key;
      let fileName = row.accessoryMap[key];
      let suffixName = '';
      if (fileName != null) {
        let arr = fileName.split('.');
        suffixName = arr[arr.length - 1].toLowerCase();
      }
      let fileId = /_zt_oss_id=(\d+)/.exec(url);
      fileId = fileId ? fileId[1] : ''; // 获取匹配的内容，如果为空则赋值为空字符串
      let pageMarker2 = pageMarker
      if (suffixName === 'pdf' || suffixName === 'doc' || suffixName === 'docx' || suffixName === 'jpg' || suffixName === 'jpeg' || suffixName === 'png' || suffixName === 'xls' || suffixName === 'xlsx') {
        if (suffixName === 'pdf') {
          pageMarker2 = pageMarker + '-pdf'
          that.pdfName = fileName;
        } else if (suffixName === 'doc' || suffixName === 'docx') {
          pageMarker2 = pageMarker + '-doc'
          that.docName = fileName;
        } else if (suffixName === 'jpg' || suffixName === 'jpeg' || suffixName === 'png') {
          pageMarker2 = pageMarker + '-img'
          that.imgName = fileName;
        } else if (suffixName === 'xls' || suffixName === 'xlsx') {
          pageMarker2 = pageMarker + '-xls'
          that.xlsName = fileName;
        }
        return openPreviewDialog(fileId, suffixName, document.getElementById(pageMarker2), pageMarker2);
      } else {
        return alert("文件类型不支持预览")
      }
    }
    return data;
  } else {
    return '<span></span>';
  }
}

function setAccessoryFormatByForm(row, pageMarker, that) {
  //表单单个文件预览
  if (row.files.groups[0].fields[0].files[0]) {
    let data = '';
    let url = row.files.groups[0].fields[0].files[0].url;
    let fileName = row.files.groups[0].fields[0].files[0].name;
    let suffixName = '';
    if (fileName != null) {
      let arr = fileName.split('.');
      suffixName = arr[arr.length - 1].toLowerCase();
      let fileId = /_zt_oss_id=(\d+)/.exec(url);
      fileId = fileId ? fileId[1] : ''; // 获取匹配的内容，如果为空则赋值为空字符串
      let pageMarker2 = pageMarker
      if (suffixName == 'pdf' || suffixName == 'doc' || suffixName == 'docx' || suffixName == 'jpg' || suffixName == 'jpeg' || suffixName == 'png' || suffixName == 'xls' || suffixName == 'xlsx') {
        if (suffixName == 'pdf') {
          pageMarker2 = pageMarker + '-pdf'
          that.pdfName = fileName;
        } else if (suffixName == 'doc' || suffixName == 'docx') {
          pageMarker2 = pageMarker + '-doc'
          that.docName = fileName;
        } else if (suffixName == 'jpg' || suffixName == 'jpeg' || suffixName == 'png') {
          pageMarker2 = pageMarker + '-img'
          that.imgName = fileName;
        } else if (suffixName == 'xls' || suffixName == 'xlsx') {
          pageMarker2 = pageMarker + '-xls'
          that.xlsName = fileName;
        }
        return openPreviewDialog(fileId, suffixName, document.getElementById(pageMarker2), pageMarker2);
      } else {
        return alert("文件类型不支持预览")
      }
    }
    return data;
  } else {
    return '<span></span>';
  }
}

export {setAccessoryFormatComm, setAccessoryFormatSingle, setAccessoryFormatByForm}