import webpack from 'webpack';
import webpackDevMiddleware from 'webpack-dev-middleware';
import webpackHotMiddleware from 'webpack-hot-middleware';
import path from 'path';
import getWebpackDevConfig from '../client/config/getWebpackDevConfig';

const initWebpack = ({ config, app }) => {
  const webpackDevConfig = getWebpackDevConfig(config);
  const compiler = webpack(webpackDevConfig);

  app.use(webpackDevMiddleware(compiler, {
    publicPath: webpackDevConfig.output.publicPath,
  }));

  app.use(webpackHotMiddleware(compiler));

  app.get(`${config.routes.admin}*`, (req, res, next) => {
    const filename = path.resolve(compiler.outputPath, 'index.html');
    compiler.outputFileSystem.readFile(filename, (err, result) => {
      if (err) {
        return next(err);
      }
      res.set('content-type', 'text/html');
      res.send(result);
      res.end();
    });
  });
};

export default initWebpack;