/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

module.exports = function (grunt) {
  var path = require('path');

  grunt.registerTask('l10n-use-localized-js', 'Update HTML to point to localized JavasScript', function () {
    // server config is set in the selectconfig task
    var supportedLanguages = grunt.config.get('server.i18n.supportedLanguages');
    var i18n = require('../server/lib/i18n')(grunt.config.get('server.i18n'));

    var templateDest = grunt.config.get('yeoman.page_template_dist');

    supportedLanguages.forEach((language) => {
      var locale = i18n.localeFrom(language);
      var templatePath = path.join(templateDest, locale, 'index.html');

      var html = grunt.file.read(templatePath);
      grunt.file.write(templatePath, html.replace('/app.bundle.js', '/app.bundle.' + locale + '.js'));
    });
  });
};