/**
 * Build config for electron renderer process
 */

import path from 'path';

import CssMinimizerPlugin from 'css-minimizer-webpack-plugin';
import HtmlWebpackPlugin from 'html-webpack-plugin';
import MiniCssExtractPlugin from 'mini-css-extract-plugin';
import TerserPlugin from 'terser-webpack-plugin';
import webpack from 'webpack';
import { BundleAnalyzerPlugin } from 'webpack-bundle-analyzer';
import { merge } from 'webpack-merge';

import checkNodeEnv from '../scripts/check-node-env';
import deleteSourceMaps from '../scripts/delete-source-maps';
import baseConfig from './webpack.config.base';
import webpackPaths from './webpack.paths';

const { version } = require('../../package.json');

checkNodeEnv('production');
deleteSourceMaps();

const devtoolsConfig =
    process.env.DEBUG_PROD === 'true'
        ? {
              devtool: 'source-map',
          }
        : {};

const configuration: webpack.Configuration = {
    ...devtoolsConfig,

    mode: 'production',

    target: ['web'],

    entry: {
        remote: path.join(webpackPaths.srcRemotePath, 'index.tsx'),
        worker: path.join(webpackPaths.srcRemotePath, 'service-worker.ts'),
    },

    output: {
        path: webpackPaths.distRemotePath,
        publicPath: './',
        filename: '[name].js',
        library: {
            type: 'umd',
        },
    },

    module: {
        rules: [
            {
                test: /\.s?(a|c)ss$/,
                use: [
                    MiniCssExtractPlugin.loader,
                    {
                        loader: 'css-loader',
                        options: {
                            modules: true,
                            sourceMap: true,
                            importLoaders: 1,
                        },
                    },
                    'sass-loader',
                ],
                include: /\.module\.s?(c|a)ss$/,
            },
            {
                test: /\.s?(a|c)ss$/,
                use: [MiniCssExtractPlugin.loader, 'css-loader', 'sass-loader'],
                exclude: /\.module\.s?(c|a)ss$/,
            },
            // Fonts
            {
                test: /\.(woff|woff2|eot|ttf|otf)$/i,
                type: 'asset/resource',
            },
            // Images
            {
                test: /\.(png|svg|jpg|jpeg|gif)$/i,
                type: 'asset/resource',
            },
        ],
    },

    optimization: {
        minimize: true,
        minimizer: [
            new TerserPlugin({
                parallel: true,
            }),
            new CssMinimizerPlugin(),
        ],
    },

    plugins: [
        /**
         * Create global constants which can be configured at compile time.
         *
         * Useful for allowing different behaviour between development builds and
         * release builds
         *
         * NODE_ENV should be production so that modules do not perform certain
         * development checks
         */
        new webpack.EnvironmentPlugin({
            NODE_ENV: 'production',
            DEBUG_PROD: false,
        }),

        new MiniCssExtractPlugin({
            filename: 'remote.css',
        }),

        new BundleAnalyzerPlugin({
            analyzerMode: process.env.ANALYZE === 'true' ? 'server' : 'disabled',
        }),

        new HtmlWebpackPlugin({
            filename: 'index.html',
            template: path.join(webpackPaths.srcRemotePath, 'index.ejs'),
            favicon: path.join(webpackPaths.assetsPath, 'icons', 'favicon.ico'),
            minify: {
                collapseWhitespace: true,
                removeAttributeQuotes: true,
                removeComments: true,
            },
            isBrowser: true,
            env: process.env.NODE_ENV,
            isDevelopment: process.env.NODE_ENV !== 'production',
            templateParameters: {
                version,
                prod: true,
            },
        }),
    ],
};

export default merge(baseConfig, configuration);