// Generated using webpack-cli https://github.com/webpack/webpack-cli
const webpack = require("webpack");
const package = require('./package.json');
const buildVersion = package.version;
const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const WorkboxWebpackPlugin = require("workbox-webpack-plugin");

const isProduction = process.env.NODE_ENV == "production";

const minimiseCSS = isProduction ? "compressed" : "expanded";

const config = {
	entry:{ "scripts": "./src/js/app.js", 
		"styles": "./src/scss/styles.scss"},
  output: {
    path: path.resolve(__dirname, "public"),
  },
    devServer: {
    open: true,
    host: "localhost",
  },
  optimization: {
    minimize: false,
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: "src/index.html",
    }),
    new webpack.BannerPlugin({
	banner: 
	`@license https://www.gnu.org/licenses/gpl-3.0.en.html GNU General Public License \n@name [name][ext] by libregaming.org \n@version v${buildVersion}`
    }),
    // Add your plugins here
    // Learn more about plugins from https://webpack.js.org/configuration/plugins/
  ],
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/i,
        loader: "babel-loader",
      },
      {
        test: /\.s[ac]ss$/i,
        use: [
		{
			loader: MiniCssExtractPlugin.loader
		},
				{
					loader: "css-loader",
				},
					{
						loader: 'sass-loader',
						options: {
							sassOptions: {
							outputStyle: minimiseCSS,
							}
						}
					},
	],
      },
      {
        test: /\.(eot|svg|ttf|woff|woff2|png|jpg|gif)$/i,
        use: { 
		loader: "file-loader",
        options: {
		name: "[name].[ext]",
		outputPath: "assets",
	}, 
	},
      },

      // Add your rules for custom modules here
      // Learn more about loaders from https://webpack.js.org/loaders/
    ],
  },
};

module.exports = () => {
 if (isProduction) {
    config.mode = "production";
    config.plugins.push(new MiniCssExtractPlugin({
	filename: "style.min.css",
    }));
    config.plugins.push(new WorkboxWebpackPlugin.GenerateSW());
  } else {
    config.plugins.push(new MiniCssExtractPlugin({
	filename: "style.css",
    }));
		config.mode = "development";
  }
  return config;
};