import path from 'path';
import webpack, { DefinePlugin, BannerPlugin, HotModuleReplacementPlugin, NoErrorsPlugin } from 'webpack';
import merge from 'lodash/object/merge';

const DEBUG = !process.argv.includes('--release');

const GLOBALS = {
    'process.env.NODE_ENV': DEBUG ? '"development"' : '"production"',
    __DEV__: DEBUG
};

const config = {
    output: {
        publicPath: '/',
        sourcePrefix: '  '
    },
    cache: true,
    debug: true,
    plugins: [
        new webpack.optimize.OccurenceOrderPlugin()
    ]
};

const appConfig = merge({}, config, {
    entry: [
        'webpack-hot-middleware/client',
        './src/client/app.js'
    ],
    output: {
        path: path.join(__dirname, '../build/public'),
        filename: 'app.js'
    },
    devtool: 'cheap-module-eval-source-map',
    plugins: [
        ...config.plugins,
        new webpack.DefinePlugin(GLOBALS),
        new HotModuleReplacementPlugin(),
        new NoErrorsPlugin()
    ],
    module: {
        loaders: [{
            test: /\.js?$/,
            include: [
                path.resolve(__dirname, '../src')
            ],
            loaders: ['react-hot', 'babel-loader']
        }]
    }
});

export default appConfig;