/**
 * Copyright (c) 2015-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */

'use strict';

module.exports = function addPodEntry(podLines, linesToAddEntry, podName, nodePath) {
  const newEntry = `pod '${podName}', :path => '../node_modules/${nodePath}'\n`;

  if (!linesToAddEntry) {
    return;
  } else if (Array.isArray(linesToAddEntry)) {
    linesToAddEntry.map(({ line, indentation }, idx) =>
      podLines.splice(line + idx, 0, getLineToAdd(newEntry, indentation))
    );
  } else {
    const { line, indentation } = linesToAddEntry;
    podLines.splice(line, 0, getLineToAdd(newEntry, indentation));
  }
};

function getLineToAdd(newEntry, indentation) {
  const spaces = Array(indentation + 1).join(' ');
  return spaces + newEntry;
}