/*
 * SonarQube
 * Copyright (C) 2009-2016 SonarSource SA
 * mailto:contact AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
import _ from 'underscore';

module.exports = function (source, scm, options) {
  if (options == null) {
    options = scm;
    scm = null;
  }

  const sources = _.map(source, function (code, line) {
    return {
      code,
      lineNumber: line,
      scm: (scm && scm[line]) ? { author: scm[line][0], date: scm[line][1] } : undefined
    };
  });

  return sources.reduce(function (prev, current, index) {
    return prev + options.fn(_.extend({ first: index === 0 }, current));
  }, '');
};