const NODE_ENV = process.env.NODE_ENV || 'development';
const path = require('path');
const webpack = require('webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const UglifyJsPlugin = require('uglifyjs-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');

let config = {
    entry: {
        app: ["babel-polyfill", 'whatwg-fetch', './src/client.js'],
    },

    output: {
        filename: 'js/[name].js',
        publicPath: '/',
        path: '/var/www/web',
        library: '[name]'
    },
    devtool: 'source-map',
    module: {
        loaders: [
            {
                test: /\.jsx?$/,
                use: {
                    loader: 'babel-loader',
                    options: {
                        presets: ['env', 'es2015', 'stage-2', 'react-app'],

                        babelrc: false
                    }
                }
            },
            {test: /\.(png|jpg|gif|svg)$/, loader: 'file-loader?name=img/[name]-[sha512:hash:base64:7].[ext]'},
            {
                test: /\.(ttf|otf|eot|woff(2)?)(\?[a-z0-9]+)?$/,
                loader: 'file-loader?name=fonts/[name]-[sha512:hash:base64:7].[ext]'
            },
            {
                test: /\.css$/,
                use: ExtractTextPlugin.extract({
                    fallback: "style-loader",
                    use: "css-loader"
                })
            }

        ]
    },
    plugins: [
        new webpack.EnvironmentPlugin(['NODE_ENV']),
        new webpack.optimize.CommonsChunkPlugin({
            name: "app",
            minChunks: function (module, count) {
                return (!module.context || !module.context.includes("node_modules")) && count >= 2;
            }
        }),
        new webpack.optimize.CommonsChunkPlugin({
            name: "vendor",
            chunks: ['app'],
            minChunks: function(module){
                return module.context && module.context.includes("node_modules");
            }
        }),
        new ExtractTextPlugin('css/styles.css'),
        new CopyWebpackPlugin([
            {from: './src/assets', to: 'public'},
            {from: './src/assets/favicon', to: ''}
        ]),
        new HtmlWebpackPlugin({
            title: 'Bitrent',
            template: 'src/index.ejs',
            hash: true,
            cache: false
        })
    ]
};

if (NODE_ENV === 'production') {
    config.plugins.push(
        new UglifyJsPlugin({})
    );
    config.devtool = false;
}


module.exports = config;