/*
 * @Author: 李佐宁 lizuoning@yuan-info.com
 * @Date: 2022-07-12 15:04:53
 * @LastEditors: 曹文丽 caowenli@yuan-info.com
 * @LastEditTime: 2022-11-22 14:41:16
 * @FilePath: \yuan-safety-manage-browser\src\utils\tools\index.ts
 * @Description: 这是默认设置,请设置`customMade`, 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
 */

import html2canvas from "html2canvas";
import JsPDF from "jspdf";
export const LAYOUT = () => import("../../views/layout/index.vue");
// const path = require('path')
// export {resolve} from 'path'
// import.meta.glob(`../../views/**/*.vue`)
const routeAllPathToCompMap = [];
type menuItemType = {
  component: Function;
  name: String;
  path: String;
  children: menuItemType[];
  parentPath: String;
};

/**
 * @description: 将菜单转化路由
 * @param {Array} oldMenu
 * @param {Array} newMenu
 * @return {Array}
 */
export const handleMenuToRoute = function (
  oldMenu,
  newMenu: menuItemType[] = [],
  parentPath
) {
  oldMenu.forEach((item) => {
    let menuItem: menuItemType = {
      component: () => {},
      name: "",
      path: "",
      parentPath: "",
      children: [],
    };
    if (item.perType === 0) {
      if (!item.pid) {
        menuItem.component = LAYOUT;
        menuItem.parentPath = menuItem.path =
          item.path[0] === "/" ? item.path : "/" + item.path;
      } else {
        if (item.path[0] === "/") {
          item.path = item.path.slice(1);
        }
        menuItem.path = item.path;
        menuItem.parentPath = parentPath + "/" + menuItem.path;
        menuItem.component =
          routeAllPathToCompMap["../../views" + menuItem.parentPath + ".vue"];
      }
      menuItem.name = item.label;
      if (item.children) {
        handleMenuToRoute(
          item.children,
          menuItem.children,
          menuItem.parentPath
        );
      }
      newMenu.push(menuItem);
    }
  });
  console.log(newMenu, "newMenu");

  return newMenu;
};

export const withInstall = (comp, name) => {
  comp.install = function (app) {
    console.log(app, "aoppppp");
    app.component(name, comp);
  };
  return comp;
};

/**
 * @description: 获取数组索引
 * @param {array} arr - 遍历数据
 * @param {string} key - 键
 * @param {string} value - 键值
 * @return 返回索引
 */
export const handleGetIndex = (arr, key, value) => {
  return arr.findIndex((item) => {
    return item[key] === value;
  });
};

/**
 * @param  ele          要生成 pdf 的DOM元素（容器）
 * @param  padfName     PDF文件生成后的文件名字
 * */

export const downloadPDF = (ele: any, pdfName: string): void => {
  const eleW: number = ele.offsetWidth; // 获得该容器的宽
  const eleH: number = ele.offsetHeight; // 获得该容器的高
  const eleOffsetTop: number = ele.offsetTop; // 获得该容器到文档顶部的距离
  const eleOffsetLeft: number = ele.offsetLeft; // 获得该容器到文档最左的距离
  const canvas = document.createElement("canvas");
  let abs = 0;

  const win_in: number =
    document.documentElement.clientWidth || document.body.clientWidth; // 获得当前可视窗口的宽度（不包含滚动条）
  const win_out: number = window.innerWidth; // 获得当前窗口的宽度（包含滚动条）

  if (win_out > win_in) {
    // abs = (win_o - win_i)/2;    // 获得滚动条长度的一半
    abs = (win_out - win_in) / 2; // 获得滚动条宽度的一半
    // console.log(a, '新abs');
  }
  canvas.width = eleW * 2; // 将画布宽&&高放大两倍
  canvas.height = eleH * 2;

  const context: any = canvas.getContext("2d");
  context.scale(2, 2);
  context.translate(-eleOffsetLeft - abs, -eleOffsetTop);
  // 这里默认横向没有滚动条的情况，因为offset.left(),有无滚动条的时候存在差值，因此
  // translate的时候，要把这个差值去掉

  // html2canvas(element).then( (canvas)=>{ //报错
  // html2canvas(element[0]).then( (canvas)=>{
  html2canvas(ele, {
    //dpi: 300,
    // allowTaint: true,  //允许 canvas 污染， allowTaint参数要去掉，否则是无法通过toDataURL导出canvas数据的
    useCORS: true, //允许canvas画布内 可以跨域请求外部链接图片, 允许跨域请求。
  }).then((canvas: any) => {
    const contentWidth: number = canvas.width;
    const contentHeight: number = canvas.height;
    //一页pdf显示html页面生成的canvas高度;
    const pageHeight: number = (contentWidth / 592.28) * 841.89;
    //未生成pdf的html页面高度
    let leftHeight = contentHeight;
    //页面偏移
    let position = 0;
    //a4纸的尺寸[595.28,841.89]，html页面生成的canvas在pdf中图片的宽高
    const imgWidth = 595.28;
    const imgHeight = (595.28 / contentWidth) * contentHeight;
    const pageData = canvas.toDataURL("image/jpeg", 1.0);
    const pdf = new JsPDF("portrait", "pt", "a4");
    //有两个高度需要区分，一个是html页面的实际高度，和生成pdf的页面高度(841.89)
    //当内容未超过pdf一页显示的范围，无需分页
    if (leftHeight < pageHeight) {
      //在pdf.addImage(pageData, 'JPEG', 左，上，宽度，高度)设置在pdf中显示；
      pdf.addImage(pageData, "JPEG", 0, 0, imgWidth, imgHeight);
      // pdf.addImage(pageData, 'JPEG', 20, 40, imgWidth, imgHeight);
    } else {
      // 分页
      while (leftHeight > 0) {
        pdf.addImage(pageData, "JPEG", 0, position, imgWidth, imgHeight);
        leftHeight -= pageHeight;
        position -= 841.89;
        //避免添加空白页
        if (leftHeight > 0) {
          pdf.addPage();
        }
      }
    }
    //可动态生成
    pdf.save(pdfName);
  });
};