const path = require('path');

const webpack = require('webpack');
const nodeExternals = require('webpack-node-externals');
const StartServerPlugin = require('start-server-webpack-plugin');

const config = require('./webpack.common.config');
const isProduction = !!process.argv.find((arg) => '--production' === arg);

if (!isProduction) {
  config.devtool = 'source-map';
}
config.entry = {
  server: [
    'source-map-support/register',
    '@babel/polyfill',
    path.join(__dirname, 'register-packets.js'),
    path.join(__dirname, 'register-synchronizeds.js'),
    '@avocado/behavior/item/initialize',
    path.join(__dirname, 'server', 'index.js'),
  ],
};
if (process.argv.find((arg) => '--hot' === arg)) {
  config.entry.server.unshift('webpack/hot/signal');
}
config.externals = [
  nodeExternals({
    whitelist: /(?:@avocado|webpack\/hot\/signal)/,
  }),
];
// Babel config file.
config.module.rules[0].use.options.configFile = path.resolve(
  __dirname, 'babel.server.config.js'
);
config.module.rules[1].use.options.paths.push(
  path.resolve(__dirname, 'server'),
);
config.module.rules[2].use.options.paths.push(
  path.resolve(__dirname, 'server'),
);
config.module.rules[3].use.options.paths.push(
  path.resolve(__dirname, 'server'),
);
const nodeArgs = ['--preserve-symlinks'];
if (process.argv.find((arg) => '--inspect' === arg)) {
  nodeArgs.push('--inspect');
}
if (process.argv.find((arg) => '--prof' === arg)) {
  nodeArgs.push('--prof');
}
if (process.argv.find((arg) => '--autorun' === arg)) {
  config.plugins.push(new StartServerPlugin({
    name: 'server.js',
    nodeArgs: nodeArgs,
    signal: true,
  }));
}
config.plugins.push(new webpack.DefinePlugin({
  AVOCADO_CLIENT: false,
  AVOCADO_SERVER: true,
}));
config.target = 'node';

module.exports = config;