/*
 * MIT License
 *
 * Copyright (c) 2018 Choko (choko@curioswitch.org)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

/* eslint-disable import/first */

process.env.NODE_ENV = 'development';

import fs from 'fs';
import path from 'path';

import ForkTsCheckerWebpackPlugin from 'fork-ts-checker-webpack-plugin';
import HtmlWebpackPlugin from 'html-webpack-plugin';
import {
  Configuration,
  DefinePlugin,
  HotModuleReplacementPlugin,
} from 'webpack';

import configureBase from './base';

const APP_CONFIG_PATH = ['.ts', '.js']
  .map((ext) => path.resolve(process.cwd(), `src/app${ext}`))
  .find((p) => fs.existsSync(p));

const plugins = [
  new DefinePlugin({
    'process.env': {
      APP_CONFIG_PATH: JSON.stringify(APP_CONFIG_PATH),
      NODE_ENV: JSON.stringify('development'),
    },
    WEBPACK_PRERENDERING: false,
  }),
  new ForkTsCheckerWebpackPlugin({ checkSyntacticErrors: true }),
  new HtmlWebpackPlugin({
    inject: true,
    template: 'src/index.html',
    chunksSortMode: 'none',
  }),
  new HotModuleReplacementPlugin(),
];

const configuration: Configuration = configureBase({
  plugins,
  mode: 'development',
  babelPlugins: [],
  // Don't use hashes in dev mode for better performance
  output: {
    filename: '[name].js',
    chunkFilename: '[name].chunk.js',
    pathinfo: false,
  },
  devtool: 'cheap-module-eval-source-map',
  optimization: {
    removeAvailableModules: false,
    removeEmptyChunks: false,
    splitChunks: false,
  },
});

export default configuration;