'use strict';

const path = require('path');
const fs = require('fs');
const fsPro = require('fs-extra');
const UglifyJS = require('uglify-js');


console.log('[electron] [code_compress] moving frontend asset to egg public dir');
console.log('[electron] [code_compress] start');

class codeCompress {
  constructor(options = {}) {
    this.dirs = [
      'app',
      'electron'
    ];
  }

  /**
   * 备份 app、electron目录代码
   */
  backup () {
    if (!this.fileExist(sourceIndexFile)) {
      console.log('[electron] [replace_dist] ERROR source dir is empty!!!');
      return
    }


  }

  /**
   * 检查文件是否存在
   */
  fileExist (filePath) {
    try {
      return fs.statSync(filePath).isFile();
    } catch (err) {
      return false;
    }
  };

}

// argv
let distDir = '';
for (let i = 0; i < process.argv.length; i++) {
  const tmpArgv = process.argv[i]
  if (tmpArgv.indexOf('--dist_dir=') !== -1) {
    distDir = tmpArgv.substr(11)
  }
}


const sourceDir = path.normalize(distDir);
const targetDir = path.normalize('./app/public');
const sourceIndexFile = path.normalize(sourceDir + '/index.html');
const targetIndexFile = path.normalize( './app/view/index.ejs');
if (!fileExist(sourceIndexFile)) {
  console.log('[electron] [replace_dist] ERROR source dir is empty!!!');
  return
}

console.log('[electron] [replace_dist] delete target dir:', targetDir);
fs.rmdirSync(targetDir, {recursive: true});

console.log('[electron] [replace_dist] copy :', sourceDir);
fsPro.copySync(sourceDir, targetDir);

// replace ejs
fsPro.copySync(sourceIndexFile, targetIndexFile);
console.log('[electron] [replace_dist] replace index.ejs');

console.log('[electron] [replace_dist] end');