/*global Y */
/**
 * <p>Provides Y.QueryString.stringify method for converting objects to Query Strings.
 * This is a subset implementation of the full querystring-stringify.</p>
 * <p>This module provides the bare minimum functionality (encoding a hash of simple values),
 * without the additional support for nested data structures.  Every key-value pair is
 * encoded by encodeURIComponent.</p>
 * <p>This module provides a minimalistic way for io to handle  single-level objects
 * as transaction data.</p>
 *
 * @module querystring
 * @submodule querystring-stringify-simple
 */

var QueryString = Y.namespace("QueryString"),
    EUC = encodeURIComponent;


QueryString.stringify = function (obj, c) {
    var qs = [],
        // Default behavior is false; standard key notation.
        s = c && c.arrayKey ? true : false,
        key, i, l;

    for (key in obj) {
        if (obj.hasOwnProperty(key)) {
            if (Y.Lang.isArray(obj[key])) {
                for (i = 0, l = obj[key].length; i < l; i++) {
                    qs.push(EUC(s ? key + '[]' : key) + '=' + EUC(obj[key][i]));
                }
            }
            else {
                qs.push(EUC(key) + '=' + EUC(obj[key]));
            }
        }
    }

    return qs.join('&');
};