// jshint esversion: 6
const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const HtmlWebpackInlineSourcePlugin = require("html-webpack-inline-source-plugin");
const FaviconsWebpackPlugin = require("favicons-webpack-plugin");
const { CleanWebpackPlugin } = require("clean-webpack-plugin");

const src = path.resolve("src");
const fonts = path.resolve("src/fonts");
const nodeModules = path.resolve("node_modules");

const babelOptions = require("../babel/babel.prod");

const publicPath = "/";

module.exports = {
  mode: "production",
  bail: true,
  cache: false,
  entry: ["./src/index.js"],
  output: {
    path: path.resolve("build"),
    publicPath
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        include: src,
        loader: "babel-loader",
        options: babelOptions
      },
      {
        test: /\.css$/,
        include: src,
        exclude: [path.resolve(src, "index.css")],
        use: [
          MiniCssExtractPlugin.loader,
          {
            loader: "css-loader",
            options: {
              modules: {
                localIdentName: "[name]__[local]___[hash:base64:5]"
              },
              importLoaders: 1
            }
          }
        ]
      },
      {
        test: /index\.css$/,
        include: [path.resolve(src, "index.css")],
        use: [
          MiniCssExtractPlugin.loader,
          {
            loader: "css-loader",
            options: {
              importLoaders: 1
            }
          }
        ]
      },
      {
        test: /\.json$/,
        include: [src, nodeModules],
        loader: "json-loader",
        exclude: /manifest.json$/
      },
      {
        test: /\.(jpg|png|gif|eot|svg|ttf|woff|woff2|otf)$/i,
        loader: "file-loader",
        include: [nodeModules, fonts],
        query: { name: "static/assets/[name]-[contenthash].[ext]" }
      }
    ]
  },
  plugins: [
    new HtmlWebpackPlugin({
      inject: "body",
      filename: "index.html",
      template: path.resolve("index_template.html"),
      inlineSource: ".(js|css)$",
      minify: {
        removeComments: true,
        collapseWhitespace: true,
        removeRedundantAttributes: true,
        useShortDoctype: true,
        removeEmptyAttributes: true,
        removeStyleLinkTypeAttributes: true,
        keepClosingSlash: true,
        minifyJS: true,
        minifyCSS: true,
        minifyURLs: true
      }
    }),
    new CleanWebpackPlugin({
      verbose: true,
      protectWebpackAssets: false,
      cleanAfterEveryBuildPatterns: ["main.js", "main.css"]
    }),
    new FaviconsWebpackPlugin({
      logo: "./favicon.png",
      prefix: "static/assets/",
      favicons: {
        icons: {
          android: false,
          appleIcon: false,
          appleStartup: false,
          coast: false,
          firefox: false,
          windows: false,
          yandex: false
        }
      }
    }),
    new HtmlWebpackInlineSourcePlugin(HtmlWebpackPlugin),
    new MiniCssExtractPlugin()
  ],
  performance: {
    maxEntrypointSize: 2000000,
    maxAssetSize: 2000000
  }
};