const webpack = require('webpack');
const nodeExternals = require('webpack-node-externals');
const { compilerOptions } = require('./tsconfig.compile.json');
const path = require('path');
const UglifyJsPlugin = require('uglifyjs-webpack-plugin');

const isProd = process.env.NODE_ENV === 'production';

const envPlugin = new webpack.EnvironmentPlugin({
  NODE_ENV: '',
  NODE_NO_WARNINGS: '',
});

const rules = [
  {
    test: /\.tsx?$/,
    exclude: [/(node_modules|.webpack)/],
    rules: [
      {
        loader: 'ts-loader',
        options: {
          configFile: 'tsconfig.json',
          transpileOnly: true,
        },
      },
    ],
  },
  {
    test: /\.node$/,
    use: 'node-loader',
  },
];

module.exports = [
  {
    mode: isProd ? 'production' : 'development',
    entry: {
      browser: path.join(__dirname, 'src', 'index.ts'),
    },
    devtool: 'source-map',
    externals: {
      snarkjs: 'commonjs2 snarkjs',
      // '@zk-kit/protocols': 'commonjs2 @zk-kit/protocols',
    },
    resolve: {
      extensions: ['.ts', '.js', '.png', '.svg', '.wasm'],
      fallback: {
        crypto: require.resolve('crypto-browserify'),
        os: require.resolve('os-browserify/browser'),
        stream: require.resolve('stream-browserify'),
        // "assert": require.resolve("assert"),
        // "url": require.resolve("url"),
        // "zlib": require.resolve("browserify-zlib"),
        // "http": require.resolve("stream-http"),
        // "https": require.resolve("https-browserify"),
        constants: require.resolve('constants-browserify'),
        fs: false,
      },
      // modules: [path.resolve('./node_modules'), path.resolve(__dirname, compilerOptions.baseUrl)],
    },
    node: {
      __dirname: true,
    },
    module: {
      rules: [...rules],
    },
    output: {
      path: __dirname + '/dist',
      filename: `[name].js`,
      libraryTarget: 'umd',
      globalObject: 'this',
      umdNamedDefine: true,
      library: {
        name: 'zkitter-js',
        type: 'umd',
      },
    },
    // optimization: {
    //     minimize: isProd,
    //     minimizer: [new UglifyJsPlugin({
    //         // minimize: true,
    //         sourceMap: true,
    //         include: /\.min\.js$/,
    //     })]
    // },
    plugins: [
      envPlugin,
      new webpack.ProvidePlugin({
        Buffer: ['buffer', 'Buffer'],
      }),
      new webpack.ProvidePlugin({
        process: 'process',
      }),
    ],
  },
];