const _ = require('lodash')
const path = require('path')
const fs = require('fs')
const extendRequest = require('request');
const wget = require('wget')

const icon = [{  // 自動維護圖示
  aliUrl: '//at.alicdn.com/t/font_2562802_c09nnj8xe7i.css', // 暫時只支援使用阿里巴巴圖示庫
  dir: './public/fonts'  // 公共圖示
}]
 

const postUrl = (_url,fn) => {
  extendRequest(_url, 
 
function(err, response, body) {
    if(!err && response.statusCode == 200) {
      fn(body);
    } else {
        console.log(err);
    }
  });
}
 
const downIcon = (iconUrl,dir)=> {
  postUrl('https:'+iconUrl,(chunk)=>{
    let form = 0
    let to = form
    let urlList = []
    let count 
 
= 0
    while (form !== -1 && to !== -1){
      count++
      if(count > 3000) throw new Error("gen icon failed")
      form = to + 1
      form = chunk.indexOf("url(",form)
      to = chunk.indexOf(")",form+1)
      if(form !== -1 && to !== -1){
        urlList.push(chunk.substr(form
 
+5,to - form-6))
      }
    }
    urlList = _.uniq( urlList.map(_url => _url.split("#")[0]) )
    count = urlList.length
    urlList.forEach(_url => {
      let __url = _url.split("?")[0]
      let {ext} = path.parse(__url)
      let fileName = "iconfont"+ext
      let filePath = path.join(dir,fileName)
      fs.existsSync(filePath) && fs.unlinkSync(filePath)
      if(__url[0] !== '/') return
      let download = wget.download("https:"+__url, filePath, {})
      chunk.split(_url).join("")
      download.on('error', function(err) {
        throw err
      })
    })
    urlList.forEach(_url => {
      let strs = _url.split('?')[0].split('.')
      let type = strs[strs.length - 1]
      if(_url[0] !== '/') return
      chunk = chunk.replace(_url, './iconfont.' + type)
      chunk = chunk.replace(_url, './iconfont.' + type)
    })

    // chunk = chunk.replace('./iconfont', "./public/fonts/iconfont");    //去掉空格
    chunk = chunk.replace(/\.\/iconfont/g, "./iconfont");    //去掉空格
    console.log(chunk)
    fs.writeFileSync(path.join('./public/fonts/fonts.css'),chunk)
  })
}


// 刪除檔案方法
const delDir = (path)=>{
  let files = [];

  return new Promise((resolve,rejec)=>{
    console.log(fs.existsSync(path),5555)
    if(fs.existsSync(path)){
      files = fs.readdirSync(path);
      files.forEach((file, index) => {
          let curPath = path + "/" + file;
          if(fs.statSync(curPath).isDirectory()){
              delDir(curPath); //遞迴刪除資料夾
          } else {
              fs.unlinkSync(curPath); //刪除檔案
          }
          // 
          if(fs.readdirSync(path).length==0){
             fs.rmdirSync(path);
            resolve(true)
          }
      });
      if(files.length==0){
        fs.rmdirSync(path);
       resolve(true)
     }
    }else{
      resolve(true);
    }
  })
}

// 刪除資料夾
delDir(path.resolve(icon[0].dir)).then(r=>{
  if(!r) return;
  // 重新建立資料夾 
  fs.mkdir('./public/fonts/',function(error){
    if(error){
      console.log(error);
      return false;
    }
    console.log('建立目錄成功');
      // 迴圈獲取檔案
    for(let item of icon){
      downIcon(item.aliUrl,path.resolve(item.dir));
    }
  })
});

const_=require('lodash') constpath=require('path') constfs=require('fs') constextendRequest=require('request'); constwget=require('wget')
consticon=[{//自動維護圖示 aliUrl:'//at.alicdn.com/t/font_2562802_c09nnj8xe7i.css',//暫時只支援使用阿里巴巴圖示庫 dir:'./public/fonts'//公共圖示 }]
constpostUrl=(_url,fn)=>{ extendRequest(_url,function(err,response,body){ if(!err&&response.statusCode==200){ fn(body); }else{ console.log(err); } }); } constdownIcon=(iconUrl,dir)=>{ postUrl('https:'+iconUrl,(chunk)=>{ letform=0 letto=form leturlList=[] letcount=0 while(form!==-1&&to!==-1){ count++ if(count>3000)thrownewError("geniconfailed") form=to+1 form=chunk.indexOf("url(",form) to=chunk.indexOf(")",form+1) if(form!==-1&&to!==-1){ urlList.push(chunk.substr(form+5,to-form-6)) } } urlList=_.uniq(urlList.map(_url=>_url.split("#")[0])) count=urlList.length urlList.forEach(_url=>{ let__url=_url.split("?")[0] let{ext}=path.parse(__url) letfileName="iconfont"+ext letfilePath=path.join(dir,fileName) fs.existsSync(filePath)&&fs.unlinkSync(filePath) if(__url[0]!=='/')return letdownload=wget.download("https:"+__url,filePath,{}) chunk.split(_url).join("") download.on('error',function(err){ throwerr }) }) urlList.forEach(_url=>{ letstrs=_url.split('?')[0].split('.') lettype=strs[strs.length-1] if(_url[0]!=='/')return chunk=chunk.replace(_url,'./iconfont.'+type) chunk=chunk.replace(_url,'./iconfont.'+type) })
//chunk=chunk.replace('./iconfont',"./public/fonts/iconfont");//去掉空格 chunk=chunk.replace(/\.\/iconfont/g,"./iconfont");//去掉空格 console.log(chunk) fs.writeFileSync(path.join('./public/fonts/fonts.css'),chunk) }) }

//刪除檔案方法 constdelDir=(path)=>{ letfiles=[];
returnnewPromise((resolve,rejec)=>{ console.log(fs.existsSync(path),5555) if(fs.existsSync(path)){ files=fs.readdirSync(path); files.forEach((file,index)=>{ letcurPath=path+"/"+file; if(fs.statSync(curPath).isDirectory()){ delDir(curPath);//遞迴刪除資料夾 }else{ fs.unlinkSync(curPath);//刪除檔案 } // if(fs.readdirSync(path).length==0){ fs.rmdirSync(path); resolve(true) } }); if(files.length==0){ fs.rmdirSync(path); resolve(true) } }else{ resolve(true); } }) }
//刪除資料夾 delDir(path.resolve(icon[0].dir)).then(r=>{ if(!r)return; //重新建立資料夾 fs.mkdir('./public/fonts/',function(error){ if(error){ console.log(error); returnfalse; } console.log('建立目錄成功'); //迴圈獲取檔案 for(letitemoficon){ downIcon(item.aliUrl,path.resolve(item.dir)); } }) });