require('source-map-support/register');

const {Latus, require: R} = require('@latus/core');
const neutrino = require('neutrino');

const server = require('./.neutrinorc');

const {
  LATUS_ONLY_BUILD = '',
  LATUS_BABEL_CONFIG = require.resolve('@latus/build/build/.babelrc.js'),
} = process.env;
const onlyBuilds = LATUS_ONLY_BUILD.split(',').map((name) => name.trim());

R('@babel/register')({
  configFile: LATUS_BABEL_CONFIG,
});

module.exports = process.env.LATUS_LINTING
  ? neutrino(server).webpack()
  : new Promise((resolve, reject) => {
    try {
      const latus = Latus.create();
      const configs = {server};
      latus.invokeFlat('@latus/core/build', configs);
      Promise.all(Object.entries(configs).map(async ([k, v]) => [k, await v]))
        .then(Object.fromEntries)
        .then((configs) => {
          const webpackConfigs = Object.values(
            Object.entries(configs)
              .reduce(
                (r, [name, config]) => ({
                  ...r,
                  ...(
                    (0 === onlyBuilds.length || -1 === onlyBuilds.indexOf(name))
                      ? {[name]: config}
                      : {}
                  ),
                }),
                {},
              )
          )
            .map((config) => neutrino(config).webpack());
          if (webpackConfigs.length > 1) {
            resolve(webpackConfigs);
          }
          if (1 === webpackConfigs.length) {
            resolve(webpackConfigs[0]);
          }
        });
    }
    catch (error) {
      reject(error);
    }
  });