import express from 'express';
import nconf from 'nconf';
import path from 'path';

const IS_PROD = nconf.get('IS_PROD');
// const IS_NEW_CLIENT_ENABLED = nconf.get('NEW_CLIENT_ENABLED') === 'true';
const MAX_AGE = true ? 31536000000 : 0;
const ASSETS_DIR = path.join(__dirname, '/../../assets');
const PUBLIC_DIR = path.join(__dirname, '/../../client-old'); // TODO static files are still there
const BUILD_DIR = path.join(__dirname, '/../../build');

module.exports = function staticMiddleware (expressApp) {
  // Expose static files for new client
  expressApp.use('/static/js', express.static(`${PUBLIC_DIR}/../../dist-client/static/js`, { maxAge: MAX_AGE }));
  expressApp.use('/static/css', express.static(`${PUBLIC_DIR}/../../dist-client/static/css`, { maxAge: MAX_AGE }));
  expressApp.use('/static/img', express.static(`${PUBLIC_DIR}/../../dist-client/static/img`, { maxAge: MAX_AGE }));

  // @TODO img/js/css under /static have their names hashed after every change so they can be cached
  // Not files in /audio and /sprites, that's why we don't cache them.
  // Hash their file names and cache the entire /static folder
  expressApp.use('/static', express.static(`${PUBLIC_DIR}/../../dist-client/static`));


  // @TODO all these paths are not used by the new client, remove them
  // But first check that they're not used anywhere else
  // In particular the images used by emails

  // TODO move all static files to a single location (one for public and one for build)
  expressApp.use(express.static(BUILD_DIR, { maxAge: MAX_AGE }));
  // TODO figure out better way to set up sprites assets
  expressApp.use('/static/sprites', express.static(`${ASSETS_DIR}/sprites/dist`, { maxAge: MAX_AGE }));
  // so we have access to the gif sprites
  expressApp.use(express.static(`${ASSETS_DIR}/sprites/backer-only/`, { maxAge: MAX_AGE }));
  expressApp.use(express.static(`${ASSETS_DIR}/sprites/`, { maxAge: MAX_AGE }));

  expressApp.use('/assets/audio', express.static(`${ASSETS_DIR}/audio`, { maxAge: MAX_AGE }));
  expressApp.use('/assets/img', express.static(`${PUBLIC_DIR}/../../website/assets/img`, { maxAge: MAX_AGE }));
  expressApp.use(express.static(PUBLIC_DIR));
};