const fs = require("fs");
const path = require("path");
const process = require("process");
const WebpackBar = require("webpackbar");
const CopyPlugin = require("copy-webpack-plugin");
const NodePolyfillPlugin = require("node-polyfill-webpack-plugin");
const { merge } = require("webpack-merge");
const prodConfig = require("./webpack.prod");

module.exports = function ({ entryDir }) {
  const extensions = ["ts", "tsx"];

  delete prodConfig.plugins;
  delete prodConfig.optimization;
  const idx = prodConfig.module.rules.findIndex(i => i.test.toString() === /\.css$/i.toString());
  prodConfig.module.rules.splice(idx, 1)
  
  const cwd = process.cwd();

  const directoryName = path.basename(entryDir);

  let extension;

  extensions.forEach((i) => {
    if (fs.existsSync(path.resolve(entryDir, `index.${i}`))) {
      extension = i;
    }
  });

  const outputPath = path.resolve(process.cwd(), `./dist/${directoryName}`);
  const entryPath = path.resolve(entryDir, `./index.${extension}`);

  console.log("entryPath", entryPath);
  console.log("outputPath", outputPath);

  return merge(prodConfig, {
    output: {
      path: outputPath,
      filename: "index.js",
      libraryTarget: "system",
      clean: true,
    },
    entry: entryPath,
    plugins: [
      new CopyPlugin({
        patterns: [
          {
            from: path.resolve(cwd, "./plugin.json"),
            to: path.resolve(cwd, "./dist/plugin.json"),
          },
          {
            from: path.resolve(cwd, "./static"),
            to: path.resolve(cwd, "./dist/static"),
          },
          {
            from: path.resolve(entryDir, "./locale"),
            to: path.resolve(cwd, `./dist/${directoryName}/locale`),
          },
        ],
      }),
      new WebpackBar(),
      new NodePolyfillPlugin()
    ],
  });
};