const express = require('express');
const debug = require('debug')('app:server');
const webpack = require('webpack');
const proxy = require('http-proxy-middleware');
const webpackConfig = require('../build/webpack.config');
const config = require('../config');

const app = express();
const paths = config.utils_paths;

for (let i in config.proxy) {
  app.use(
    proxy(config.proxy[i].from, {
      target: config.proxy[i].target,
      changeOrigin: true,
      pathRewrite: {
        [config.proxy[i].from]: config.proxy[i].to,
      },
    }),
  );
}

app.use(require('connect-history-api-fallback')());

const compiler = webpack(webpackConfig);
debug('Enable webpack dev and HMR middleware');
app.use(
  require('webpack-dev-middleware')(compiler, {
    publicPath: webpackConfig.output.publicPath,
    contentBase: paths.client(),
    hot: true,
    lazy: false,
    inline: true,
  }),
);
debug('start hot server!');
app.use(require('webpack-hot-middleware')(compiler));

app.use('/assets', express.static(paths.client('assets')));
app.use('/assets', express.static(paths.project('assets')));
app.use(express.static(paths.client('static')));
app.use(express.static(paths.project('static')));
app.use(express.static(paths.lib()));

module.exports = app;