/**
 * Builds the DLL for development electron renderer process
 */

import webpack from 'webpack';
import path from 'path';
import merge from 'webpack-merge';
import baseConfig from './webpack.config.base';
import { dependencies } from './package.json';

const dist = path.resolve(process.cwd(), 'dll');

export default merge.smart(baseConfig, {
	context: process.cwd(),

	devtool: 'eval',

	target: 'electron-renderer',

	externals: ['fsevents', 'crypto-browserify'],

  /**
   * @HACK: Copy and pasted from renderer dev config. Consider merging these
   *        rules into the base config. May cause breaking changes.
   */
	module: {
		rules: [
      // WOFF Font
			{
				test: /\.woff(\?v=\d+\.\d+\.\d+)?$/,
				use: {
					loader: 'url-loader',
					options: {
						limit: 10000,
						mimetype: 'application/font-woff',
					}
				},
			},
      // WOFF2 Font
			{
				test: /\.woff2(\?v=\d+\.\d+\.\d+)?$/,
				use: {
					loader: 'url-loader',
					options: {
						limit: 10000,
						mimetype: 'application/font-woff',
					}
				}
			},
      // TTF Font
			{
				test: /\.ttf(\?v=\d+\.\d+\.\d+)?$/,
				use: {
					loader: 'url-loader',
					options: {
						limit: 10000,
						mimetype: 'application/octet-stream'
					}
				}
			},
      // EOT Font
			{
				test: /\.eot(\?v=\d+\.\d+\.\d+)?$/,
				use: 'file-loader',
			},
      // SVG Font
			{
				test: /\.svg(\?v=\d+\.\d+\.\d+)?$/,
				use: {
					loader: 'url-loader',
					options: {
						limit: 10000,
						mimetype: 'image/svg+xml',
					}
				}
			},
      // Common Image Formats
			{
				test: /\.(?:ico|gif|png|jpg|jpeg|webp)$/,
				use: 'url-loader',
			}
		]
	},

	resolve: {
		modules: [
			'app',
			'node_modules',
		],
	},

	entry: {
		vendor: [
			'babel-polyfill',
			...Object.keys(dependencies)
		]
    .filter(dependency => dependency !== 'font-awesome'),
	},

	output: {
		library: 'vendor',
		path: dist,
		filename: '[name].dll.js',
		libraryTarget: 'var'
	},

	plugins: [
		new webpack.DllPlugin({
			path: path.join(dist, '[name].json'),
			name: '[name]',
		}),

    /**
     * Create global constants which can be configured at compile time.
     *
     * Useful for allowing different behaviour between development builds and
     * release builds
     *
     * NODE_ENV should be production so that modules do not perform certain
     * development checks
     */
		new webpack.DefinePlugin({
			'process.env.NODE_ENV': JSON.stringify(process.env.NODE_ENV || 'development')
		}),

		new webpack.LoaderOptionsPlugin({
			debug: true,
			options: {
				context: path.resolve(process.cwd(), 'app'),
				output: {
					path: path.resolve(process.cwd(), 'dll'),
				},
			},
		})
	],
});