import { writeFileSync } from 'fs';

export function writeCracoConfig(appName: string, isCRA5: boolean) {
  const configOverride = `
  const path = require('path');
  const TsConfigPathsPlugin = require('tsconfig-paths-webpack-plugin');
  const ModuleScopePlugin = require('react-dev-utils/ModuleScopePlugin');
  module.exports = {
    webpack: {
      configure: (config) => {
        // Remove guard against importing modules outside of \`src\`.
        // Needed for workspace projects.
        config.resolve.plugins = config.resolve.plugins.filter(
          (plugin) => !(plugin instanceof ModuleScopePlugin)
        );
        // Add support for importing workspace projects.
        config.resolve.plugins.push(
          new TsConfigPathsPlugin({
            configFile: path.resolve(__dirname, 'tsconfig.json'),
            extensions: ['.ts', '.tsx', '.js', '.jsx'],
            mainFields: ['module', 'main'],
          })
        );
        ${
          isCRA5
            ? `
        // Replace include option for babel loader with exclude
        // so babel will handle workspace projects as well.
        config.module.rules[1].oneOf.forEach((r) => {
          if (r.loader && r.loader.indexOf('babel') !== -1) {
            r.exclude = /node_modules/;
            delete r.include;
          }
        });`
            : `
        // Replace include option for babel loader with exclude
        // so babel will handle workspace projects as well.
        config.module.rules.forEach((r) => {
          if (r.oneOf) {
            const babelLoader = r.oneOf.find(
              (rr) => rr.loader.indexOf('babel-loader') !== -1
            );
            babelLoader.exclude = /node_modules/;
            delete babelLoader.include;
          }
        });
        `
        }
        return config;
      },
    },
    jest: {
      configure: (config) => {
        config.resolver = '@nrwl/jest/plugins/resolver';
        return config;
      },
    },
  };
  `;
  writeFileSync(`apps/${appName}/craco.config.js`, configOverride);
}