/**
 * Cookie plugin
 * Copyright (c) 2006 Klaus Hartl (stilbuero.de)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 */

jQuery.cookie = function(name, username, page_id, value, options) {
    var url = '/' + username + '/page/' + page_id + '/save/';
    // var url = 'http://your.flowingdata.com/' + username + '/page/' + page_id + '/save/';
    if (typeof value != 'undefined') { // name and value given, set cookie
        options = options || {};
        if (value === null) {
            value = '';
            options.expires = -1;
        }
        var expires = '';
        if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
            var date;
            if (typeof options.expires == 'number') {
                date = new Date();
                date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
            } else {
                date = options.expires;
            }
            expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
        }
        // CAUTION: Needed to parenthesize options.path and options.domain
        // in the following expressions, otherwise they evaluate to undefined
        // in the packed version for some reason...

        ///// UNCOMMENT TO SAVE BROWSER COOKIE
        var path = options.path ? '; path=' + (options.path) : '';
        var domain = options.domain ? '; domain=' + (options.domain) : '';
        var secure = options.secure ? '; secure' : '';
        // document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
        var cookie_value = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
                
        // Save cookie to database
        $.post(url, { cookie_value: cookie_value })
        
    } else { // only name given, get cookie
        var cookieValue = null;
        
        // Get cookie from database
        var dbCookie = $.ajax({
            url: url,
            async: false
        }).responseText;
        
        if (dbCookie && dbCookie != '') {
            var cookies = dbCookie.split(';');
            for (var i = 0; i < cookies.length; i++) {
                var cookie = jQuery.trim(cookies[i]);
                // Does this cookie string begin with the name we want?
                if (cookie.substring(0, name.length + 1) == (name + '=')) {
                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                    break;
                }
            }
        }
        
        
        // if (document.cookie && document.cookie != '') {
        //             $("#debug").text(document.cookie);
        //             var cookies = document.cookie.split(';');
        //             for (var i = 0; i < cookies.length; i++) {
        //                 var cookie = jQuery.trim(cookies[i]);
        //                 // Does this cookie string begin with the name we want?
        //                 if (cookie.substring(0, name.length + 1) == (name + '=')) {
        //                     cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
        //                     break;
        //                 }
        //             }
        //         }
        
        return cookieValue;
    }
};