const webpack = require("webpack");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const nodeExternals = require("webpack-node-externals");
const CopyPlugin = require("copy-webpack-plugin");
const RunNodeWebpackPlugin = require("run-node-webpack-plugin");
const { merge } = require("lodash");

const banner = `
  hash:[contentHash], chunkhash:[chunkhash], name:[name], filebase:[base], query:[query], file:[file]
  Source code: https://github.com/LemmyNet/joinlemmy-site
  Created by dessalines
  @license magnet:?xt=urn:btih:0b31508aeb0634b347b8270c7bee4d411b5d4109&dn=agpl-3.0.txt AGPL v3.0
  `;

const base = {
  output: {
    filename: "js/server.js",
    publicPath: "/",
  },
  resolve: {
    extensions: [".js", ".jsx", ".ts", ".tsx"],
  },
  performance: {
    hints: false,
  },
  module: {
    rules: [
      {
        test: /\.(scss|css)$/i,
        use: [MiniCssExtractPlugin.loader, "css-loader", "sass-loader"],
      },
      {
        test: /\.(js|jsx|tsx|ts)$/, // All ts and tsx files will be process by
        exclude: /node_modules/, // ignore node_modules
        loader: "babel-loader",
      },
      // Due to some weird babel issue: https://github.com/webpack/webpack/issues/11467
      {
        test: /\.m?js/,
        resolve: {
          fullySpecified: false,
        },
      },
    ],
  },
  plugins: [
    new MiniCssExtractPlugin({
      filename: "styles/styles.css",
    }),
    new CopyPlugin({
      patterns: [{ from: "./src/assets", to: "./assets" }],
    }),
    new webpack.BannerPlugin({
      banner,
    }),
  ],
};

const createServerConfig = (_env, mode) => {
  const config = merge({}, base, {
    mode,
    entry: "./src/server/index.tsx",
    output: {
      filename: "js/server.js",
    },
    target: "node",
    externals: [nodeExternals(), "inferno-helmet"],
  });

  if (mode === "development") {
    config.cache = {
      type: "filesystem",
      name: "server",
    };

    config.plugins.push(
      new RunNodeWebpackPlugin({
        runOnlyInWatchMode: true,
      })
    );
  }

  return config;
};
const createClientConfig = (_env, mode) => {
  const config = merge({}, base, {
    mode,
    entry: "./src/client/index.tsx",
    output: {
      filename: "js/client.js",
    },
  });

  if (mode === "development") {
    config.cache = {
      type: "filesystem",
      name: "client",
    };
  }

  return config;
};

module.exports = (env, properties) => [
  createServerConfig(env, properties.mode || "development"),
  createClientConfig(env, properties.mode || "development"),
];