const { resolve, dirname } = require('path');

module.exports = function (file, api) {
  const j = api.jscodeshift;
  const root = j(file.source);
  let fileDir = dirname(resolve(file.path));

  function update (path) {
    const argument = path.value.arguments[0].value;
    if (argument.indexOf('..') !== 0) return;

    const realPath = resolve(fileDir, argument);
    if (realPath.indexOf('cartodb3') === -1) return;

    const aliasPath = realPath.replace(/(.+)(cartodb3\/.+)/g, '$2');

    path.value.arguments[0].value = aliasPath;
  }

  root.find(j.CallExpression, { callee: { name: 'require' } })
    .forEach(update);

  return root.toSource({quote: 'single'});
};