const webpack = require('webpack');
const CleanWebpackPlugin = require('clean-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const merge = require('webpack-merge');
const webpackBaseConfig = require('./webpack.base.config.js');
const fs = require('fs');
const path = require('path');

fs.open('./src/config/env.js', 'w', function(err, fd) {
  const buf = new Buffer('export default "production";');
  fs.write(fd, buf, 0, buf.length, 0, function() {});
});

module.exports = merge(webpackBaseConfig, {
  output: {
    path: path.join(__dirname, '../../web/src/main/webapp/html/fore/'),
    filename: 'js/[name].[hash].js',
    chunkFilename: 'js/[name].[hash].chunk.js'
  },
  plugins: [
    new CleanWebpackPlugin(['web/src/main/webapp/html/fore'], {
      root: path.join(__dirname, '../../')
    }),
    new webpack.DefinePlugin({
      PRODUCTION: 'true'
    }),
    new ExtractTextPlugin({
      filename: 'css/[name].[hash].css',
      allChunks: true
    }),
    new webpack.optimize.CommonsChunkPlugin({
      name: 'vendors',
      filename: 'js/vendors.[hash].js',
      minChunks: 2
    }),
    new webpack.optimize.UglifyJsPlugin({
      compress: {
        warnings: false
      }
    })
  ]
});