/**
 * Support utilities for handling the API
 *
 */
'use strict';

var _ = require('lodash');

module.exports = {
    renameFields: renameFields
};

/**
 * Rename a field in the item by copying it to the new value and then deleting
 * the old name.
 *
 * @param {Object | Object[]} items - The item or items to have the params renamed
 * @param {Object} conversions      - Key/values for the src name and dest name
 */
function renameFields(items, conversions) {
    if (Array.isArray(items)) {
        for (var i = 0; i < items.length; ++i) {
            renameFields(items[i], conversions);
        }
    } else {
        _.forEach(conversions, function(dest, src) {
            items[dest] = items[src];
            delete items[src];
        });
    }
}