/**
 * Get options from data attributes on passed `$select`.
 * @param {jQuery} $select
 * @param {Object} optionsMap e.g. { optionKeyName: 'dataAttributeName' }
 */
export const getAjaxUsersSelectOptions = ($select, optionsMap) => {
  return Object.keys(optionsMap).reduce((accumulator, optionKey) => {
    const dataKey = optionsMap[optionKey];
    accumulator[optionKey] = $select.data(dataKey);

    return accumulator;
  }, {});
};

/**
 * Get query parameters used for users request from passed `options` parameter
 * @param {Object} options e.g. { currentUserId: 1, fooBar: 'baz' }
 * @param {Object} paramsMap e.g. { user_id: 'currentUserId', foo_bar: 'fooBar' }
 */
export const getAjaxUsersSelectParams = (options, paramsMap) => {
  return Object.keys(paramsMap).reduce((accumulator, paramKey) => {
    const optionKey = paramsMap[paramKey];
    accumulator[paramKey] = options[optionKey] || null;

    return accumulator;
  }, {});
};