var webpack = require("webpack"),
  path = require("path"),
  CopyWebpackPlugin = require("copy-webpack-plugin"),
  HtmlWebpackPlugin = require("html-webpack-plugin"),
  TerserPlugin = require("terser-webpack-plugin");
var { CleanWebpackPlugin } = require("clean-webpack-plugin");
var ReactRefreshWebpackPlugin = require("@pmmmwh/react-refresh-webpack-plugin");
var ReactRefreshTypeScript = require("react-refresh-typescript");

const ASSET_PATH = process.env.ASSET_PATH || "/";

var alias = {};

var fileExtensions = [
  "jpg",
  "jpeg",
  "png",
  "gif",
  "eot",
  "otf",
  "svg",
  "ttf",
  "woff",
  "woff2",
];

const isDevelopment = process.env.NODE_ENV !== "production";

var options = {
  mode: process.env.NODE_ENV || "development",
  ignoreWarnings: [
    /Circular dependency between chunks with runtime/,
    /ResizeObserver loop completed with undelivered notifications/
  ],
  entry: {
    index: path.join(__dirname, "web", "index.tsx"),
  },
  output: {
    filename: "[name].bundle.js",
    path: path.resolve(__dirname, "build", "ui"),
    clean: true,
    publicPath: ASSET_PATH,
  },
  module: {
    rules: [
      {
        // look for .css or .scss files
        test: /\.(css|scss)$/,
        // in the `web` directory
        use: [
          {
            loader: "style-loader",
          },
          {
            loader: "css-loader",
            options: { importLoaders: 1 },
          },
          {
            loader: "postcss-loader",
          },
          {
            loader: "sass-loader",
            options: {
              sourceMap: true,
            },
          },
        ],
      },
      // {
      //   test: new RegExp(".(" + fileExtensions.join("|") + ")$"),
      //   type: "asset/resource",
      //   exclude: /node_modules/,
      //   // loader: 'file-loader',
      //   // options: {
      //   //   name: '[name].[ext]',
      //   // },
      // },
      {
        test: /\.html$/,
        loader: "html-loader",
        exclude: /node_modules/,
      },
      {
        test: /\.(ts|tsx)$/,
        exclude: /node_modules\/(?!(tlsn-js|tlsn-js-v5)\/).*/,
        use: [
          {
            loader: require.resolve("ts-loader"),
            options: {
              getCustomTransformers: () => ({
                before: [isDevelopment && ReactRefreshTypeScript()].filter(
                  Boolean
                ),
              }),
              transpileOnly: isDevelopment,
              allowTsInNodeModules: true,
            },
          },
        ],
      },
      {
        test: /\.(js|jsx)$/,
        use: [
          {
            loader: "source-map-loader",
          },
          {
            loader: require.resolve("babel-loader"),
            options: {
              plugins: [
                isDevelopment && require.resolve("react-refresh/babel"),
              ].filter(Boolean),
            },
          },
        ],
        exclude: /node_modules/,
      },
      {
        test: /\.(gif|png|jpe?g|svg)$/i,
        use: [
          'file-loader',
          {
            loader: 'image-webpack-loader',
            options: {
              publicPath: 'assets',
              bypassOnDebug: true, // webpack@1.x
              disable: true, // webpack@2.x and newer
            },
          },
        ],
      },
    ],
  },
  resolve: {
    alias: alias,
    extensions: fileExtensions
      .map((extension) => "." + extension)
      .concat([".js", ".jsx", ".ts", ".tsx", ".css", ".png", ".svg"]),
  },
  plugins: [
    isDevelopment && new ReactRefreshWebpackPlugin(),
    new CleanWebpackPlugin({ verbose: false }),
    new webpack.ProgressPlugin(),
    // expose and write the allowed env vars on the compiled bundle
    new webpack.EnvironmentPlugin(["NODE_ENV"]),
    new CopyWebpackPlugin({
      patterns: [
        {
          from: "node_modules/tlsn-js-v5/build",
          to: path.join(__dirname, "build", "ui"),
          force: true,
        },
        {
          from: "node_modules/tlsn-js/build",
          to: path.join(__dirname, "build", "ui"),
          force: true,
        },
        {
          from: "static/favicon.png",
          to: path.join(__dirname, "build", "ui"),
          force: true,
        },
      ]
    }),
    // new HtmlWebpackPlugin({
    //   template: path.join(__dirname, "static", "index.html"),
    //   filename: "index.html",
    //   chunks: ["index"],
    //   cache: false,
    // }),
    new webpack.ProvidePlugin({
      Buffer: ['buffer', 'Buffer'],
    }),
  ].filter(Boolean),
  infrastructureLogging: {
    level: "info",
  },
  // Required by wasm-bindgen-rayon, in order to use SharedArrayBuffer on the Web
  // Ref:
  //  - https://github.com/GoogleChromeLabs/wasm-bindgen-rayon#setting-up
  //  - https://web.dev/i18n/en/coop-coep/
  devServer: {
    headers: {
      'Cross-Origin-Embedder-Policy': 'require-corp',
      'Cross-Origin-Opener-Policy': 'same-origin',
    }
  },

};

if (process.env.NODE_ENV === "development") {
  options.devtool = "cheap-module-source-map";
} else {
  options.optimization = {
    minimize: true,
    minimizer: [
      new TerserPlugin({
        extractComments: false,
      }),
    ],
  };
}

module.exports = options;