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/*! jQuery Mockjax
 * A Plugin providing simple and flexible mocking of ajax requests and responses
 * 
 * Version: 2.2.1
 * Home: https://github.com/jakerella/jquery-mockjax
 * Copyright (c) 2016 Jordan Kasper, formerly appendTo;
 * NOTE: This repository was taken over by Jordan Kasper (@jakerella) October, 2014
 * 
 * Dual licensed under the MIT or GPL licenses.
 * http://opensource.org/licenses/MIT OR http://www.gnu.org/licenses/gpl-2.0.html
 */
(function(root, factory) {
        'use strict';

        // AMDJS module definition
        if ( typeof define === 'function' && define.amd && define.amd.jQuery ) {
                define(['jquery'], function($) {
                        return factory($, root);
                });

        // CommonJS module definition
        } else if ( typeof exports === 'object') {

                // NOTE: To use Mockjax as a Node module you MUST provide the factory with
                // a valid version of jQuery and a window object (the global scope):
                // var mockjax = require('jquery.mockjax')(jQuery, window);

                module.exports = factory;

        // Global jQuery in web browsers
        } else {
                return factory(root.jQuery || root.$, root);
        }
}(this, function($, window) {
        'use strict';

        var _ajax = $.ajax,
                mockHandlers = [],
                mockedAjaxCalls = [],
                unmockedAjaxCalls = [],
                CALLBACK_REGEX = /=\?(&|$)/,
                jsc = (new Date()).getTime(),
                DEFAULT_RESPONSE_TIME = 500;

        // Parse the given XML string.
        function parseXML(xml) {
                if ( window.DOMParser === undefined && window.ActiveXObject ) {
                        window.DOMParser = function() { };
                        DOMParser.prototype.parseFromString = function( xmlString ) {
                                var doc = new ActiveXObject('Microsoft.XMLDOM');
                                doc.async = 'false';
                                doc.loadXML( xmlString );
                                return doc;
                        };
                }

                try {
                        var xmlDoc = ( new DOMParser() ).parseFromString( xml, 'text/xml' );
                        if ( $.isXMLDoc( xmlDoc ) ) {
                                var err = $('parsererror', xmlDoc);
                                if ( err.length === 1 ) {
                                        throw new Error('Error: ' + $(xmlDoc).text() );
                                }
                        } else {
                                throw new Error('Unable to parse XML');
                        }
                        return xmlDoc;
                } catch( e ) {
                        var msg = ( e.name === undefined ? e : e.name + ': ' + e.message );
                        $(document).trigger('xmlParseError', [ msg ]);
                        return undefined;
                }
        }

        // Check if the data field on the mock handler and the request match. This
        // can be used to restrict a mock handler to being used only when a certain
        // set of data is passed to it.
        function isMockDataEqual( mock, live ) {
                logger.debug( mock, ['Checking mock data against request data', mock, live] );
                var identical = true;

                if ( $.isFunction(mock) ) {
                        return !!mock(live);
                }

                // Test for situations where the data is a querystring (not an object)
                if (typeof live === 'string') {
                        // Querystring may be a regex
                        if ($.isFunction( mock.test )) {
                                return mock.test(live);
                        } else if (typeof mock === 'object') {
                                live = getQueryParams(live);
                        } else {
                                return mock === live;
                        }
                }

                $.each(mock, function(k) {
                        if ( live[k] === undefined ) {
                                identical = false;
                                return identical;
                        } else {
                                if ( typeof live[k] === 'object' && live[k] !== null ) {
                                        if ( identical && $.isArray( live[k] ) ) {
                                                identical = $.isArray( mock[k] ) && live[k].length === mock[k].length;
                                        }
                                        identical = identical && isMockDataEqual(mock[k], live[k]);
                                } else {
                                        if ( mock[k] && $.isFunction( mock[k].test ) ) {
                                                identical = identical && mock[k].test(live[k]);
                                        } else {
                                                identical = identical && ( mock[k] === live[k] );
                                        }
                                }
                        }
                });

                return identical;
        }

        function getQueryParams(queryString) {
                var i, l, param, tmp,
                        paramsObj = {},
                        params = String(queryString).split(/&/);

                for (i=0, l=params.length; i<l; ++i) {
                        param = params[i];
                        try {
                                param = decodeURIComponent(param.replace(/\+/g, ' '));
                                param = param.split(/=/);
                        } catch(e) {
                                // Can't parse this one, so let it go?
                                continue;
                        }

                        if (paramsObj[param[0]]) {
                                // this is an array query param (more than one entry in query)
                                if (!paramsObj[param[0]].splice) {
                                        // if not already an array, make it one
                                        tmp = paramsObj[param[0]];
                                        paramsObj[param[0]] = [];
                                        paramsObj[param[0]].push(tmp);
                                }
                                paramsObj[param[0]].push(param[1]);
                        } else {
                                paramsObj[param[0]] = param[1];
                        }
                }

                logger.debug( null, ['Getting query params from string', queryString, paramsObj] );

                return paramsObj;
        }

        // See if a mock handler property matches the default settings
        function isDefaultSetting(handler, property) {
                return handler[property] === $.mockjaxSettings[property];
        }

        // Check the given handler should mock the given request
        function getMockForRequest( handler, requestSettings ) {
                // If the mock was registered with a function, let the function decide if we
                // want to mock this request
                if ( $.isFunction(handler) ) {
                        return handler( requestSettings );
                }

                // Inspect the URL of the request and check if the mock handler's url
                // matches the url for this ajax request
                if ( $.isFunction(handler.url.test) ) {
                        // The user provided a regex for the url, test it
                        if ( !handler.url.test( requestSettings.url ) ) {
                                return null;
                        }
                } else {

                        // Apply namespace prefix to the mock handler's url.
                        var namespace = handler.namespace || $.mockjaxSettings.namespace;
                        if (!!namespace) {
                                var namespacedUrl = [namespace, handler.url].join('/');
                                namespacedUrl = namespacedUrl.replace(/(\/+)/g, '/');
                                handler.url = namespacedUrl;
                        }

                        // Look for a simple wildcard '*' or a direct URL match
                        var star = handler.url.indexOf('*');
                        if (handler.url !== requestSettings.url && star === -1 ||
                                        !new RegExp(handler.url.replace(/[-[\]{}()+?.,\\^$|#\s]/g, '\\$&').replace(/\*/g, '.+')).test(requestSettings.url)) {
                                return null;
                        }
                }

                // Inspect the request headers submitted
                if ( handler.requestHeaders ) {
                        //No expectation for headers, do not mock this request
                        if (requestSettings.headers === undefined) {
                                return null;
                        } else {
                                var headersMismatch = false;
                                $.each(handler.requestHeaders, function(key, value) {
                                        var v = requestSettings.headers[key];
                                        if(v !== value) {
                                                headersMismatch = true;
                                                return false;
                                        }
                                });
                                //Headers do not match, do not mock this request
                                if (headersMismatch) {
                                        return null;
                                }
                        }
                }

                // Inspect the data submitted in the request (either POST body or GET query string)
                if ( handler.data ) {
                        if ( !requestSettings.data || !isMockDataEqual(handler.data, requestSettings.data) ) {
                                // They're not identical, do not mock this request
                                return null;
                        }
                }
                // Inspect the request type
                if ( handler && handler.type &&
                                handler.type.toLowerCase() !== requestSettings.type.toLowerCase() ) {
                        // The request type doesn't match (GET vs. POST)
                        return null;
                }

                return handler;
        }

        function isPosNum(value) {
                return typeof value === 'number' && value >= 0;
        }

        function parseResponseTimeOpt(responseTime) {
                if ($.isArray(responseTime) && responseTime.length === 2) {
                        var min = responseTime[0];
                        var max = responseTime[1];
                        if(isPosNum(min) && isPosNum(max)) {
                                return Math.floor(Math.random() * (max - min)) + min;
                        }
                } else if(isPosNum(responseTime)) {
                        return responseTime;
                }
                return DEFAULT_RESPONSE_TIME;
        }

        // Process the xhr objects send operation
        function _xhrSend(mockHandler, requestSettings, origSettings) {
                logger.debug( mockHandler, ['Sending fake XHR request', mockHandler, requestSettings, origSettings] );

                // This is a substitute for < 1.4 which lacks $.proxy
                var process = (function(that) {
                        return function() {
                                return (function() {
                                        // The request has returned
                                        this.status = mockHandler.status;
                                        this.statusText = mockHandler.statusText;
                                        this.readyState = 1;

                                        var finishRequest = function () {
                                                this.readyState = 4;

                                                var onReady;
                                                // Copy over our mock to our xhr object before passing control back to
                                                // jQuery's onreadystatechange callback
                                                if ( requestSettings.dataType === 'json' && ( typeof mockHandler.responseText === 'object' ) ) {
                                                        this.responseText = JSON.stringify(mockHandler.responseText);
                                                } else if ( requestSettings.dataType === 'xml' ) {
                                                        if ( typeof mockHandler.responseXML === 'string' ) {
                                                                this.responseXML = parseXML(mockHandler.responseXML);
                                                                //in jQuery 1.9.1+, responseXML is processed differently and relies on responseText
                                                                this.responseText = mockHandler.responseXML;
                                                        } else {
                                                                this.responseXML = mockHandler.responseXML;
                                                        }
                                                } else if (typeof mockHandler.responseText === 'object' && mockHandler.responseText !== null) {
                                                        // since jQuery 1.9 responseText type has to match contentType
                                                        mockHandler.contentType = 'application/json';
                                                        this.responseText = JSON.stringify(mockHandler.responseText);
                                                } else {
                                                        this.responseText = mockHandler.responseText;
                                                }
                                                if( typeof mockHandler.status === 'number' || typeof mockHandler.status === 'string' ) {
                                                        this.status = mockHandler.status;
                                                }
                                                if( typeof mockHandler.statusText === 'string') {
                                                        this.statusText = mockHandler.statusText;
                                                }
                                                // jQuery 2.0 renamed onreadystatechange to onload
                                                onReady = this.onload || this.onreadystatechange;

                                                // jQuery < 1.4 doesn't have onreadystate change for xhr
                                                if ( $.isFunction( onReady ) ) {
                                                        if( mockHandler.isTimeout) {
                                                                this.status = -1;
                                                        }
                                                        onReady.call( this, mockHandler.isTimeout ? 'timeout' : undefined );
                                                } else if ( mockHandler.isTimeout ) {
                                                        // Fix for 1.3.2 timeout to keep success from firing.
                                                        this.status = -1;
                                                }
                                        };

                                        // We have an executable function, call it to give
                                        // the mock handler a chance to update it's data
                                        if ( $.isFunction(mockHandler.response) ) {
                                                // Wait for it to finish
                                                if ( mockHandler.response.length === 2 ) {
                                                        mockHandler.response(origSettings, function () {
                                                                finishRequest.call(that);
                                                        });
                                                        return;
                                                } else {
                                                        mockHandler.response(origSettings);
                                                }
                                        }

                                        finishRequest.call(that);
                                }).apply(that);
                        };
                })(this);

                if ( mockHandler.proxy ) {
                        logger.info( mockHandler, ['Retrieving proxy file: ' + mockHandler.proxy, mockHandler] );
                        // We're proxying this request and loading in an external file instead
                        _ajax({
                                global: false,
                                url: mockHandler.proxy,
                                type: mockHandler.proxyType,
                                data: mockHandler.data,
                                async: requestSettings.async,
                                dataType: requestSettings.dataType === 'script' ? 'text/plain' : requestSettings.dataType,
                                complete: function(xhr) {
                                        // Fix for bug #105
                                        // jQuery will convert the text to XML for us, and if we use the actual responseXML here
                                        // then some other things don't happen, resulting in no data given to the 'success' cb
                                        mockHandler.responseXML = mockHandler.responseText = xhr.responseText;

                                        // Don't override the handler status/statusText if it's specified by the config
                                        if (isDefaultSetting(mockHandler, 'status')) {
                                                mockHandler.status = xhr.status;
                                        }
                                        if (isDefaultSetting(mockHandler, 'statusText')) {
                                                mockHandler.statusText = xhr.statusText;
                                        }

                                        if ( requestSettings.async === false ) {
                                                // TODO: Blocking delay
                                                process();
                                        } else {
                                                this.responseTimer = setTimeout(process, parseResponseTimeOpt(mockHandler.responseTime));
                                        }
                                }
                        });
                } else {
                        // type === 'POST' || 'GET' || 'DELETE'
                        if ( requestSettings.async === false ) {
                                // TODO: Blocking delay
                                process();
                        } else {
                                this.responseTimer = setTimeout(process, parseResponseTimeOpt(mockHandler.responseTime));
                        }
                }

        }

        // Construct a mocked XHR Object
        function xhr(mockHandler, requestSettings, origSettings, origHandler) {
                logger.debug( mockHandler, ['Creating new mock XHR object', mockHandler, requestSettings, origSettings, origHandler] );

                // Extend with our default mockjax settings
                mockHandler = $.extend(true, {}, $.mockjaxSettings, mockHandler);

                if (typeof mockHandler.headers === 'undefined') {
                        mockHandler.headers = {};
                }
                if (typeof requestSettings.headers === 'undefined') {
                        requestSettings.headers = {};
                }
                if ( mockHandler.contentType ) {
                        mockHandler.headers['content-type'] = mockHandler.contentType;
                }

                return {
                        status: mockHandler.status,
                        statusText: mockHandler.statusText,
                        readyState: 1,
                        open: function() { },
                        send: function() {
                                origHandler.fired = true;
                                _xhrSend.call(this, mockHandler, requestSettings, origSettings);
                        },
                        abort: function() {
                                clearTimeout(this.responseTimer);
                        },
                        setRequestHeader: function(header, value) {
                                requestSettings.headers[header] = value;
                        },
                        getResponseHeader: function(header) {
                                // 'Last-modified', 'Etag', 'content-type' are all checked by jQuery
                                if ( mockHandler.headers && mockHandler.headers[header] ) {
                                        // Return arbitrary headers
                                        return mockHandler.headers[header];
                                } else if ( header.toLowerCase() === 'last-modified' ) {
                                        return mockHandler.lastModified || (new Date()).toString();
                                } else if ( header.toLowerCase() === 'etag' ) {
                                        return mockHandler.etag || '';
                                } else if ( header.toLowerCase() === 'content-type' ) {
                                        return mockHandler.contentType || 'text/plain';
                                }
                        },
                        getAllResponseHeaders: function() {
                                var headers = '';
                                // since jQuery 1.9 responseText type has to match contentType
                                if (mockHandler.contentType) {
                                        mockHandler.headers['Content-Type'] = mockHandler.contentType;
                                }
                                $.each(mockHandler.headers, function(k, v) {
                                        headers += k + ': ' + v + '\n';
                                });
                                return headers;
                        }
                };
        }

        // Process a JSONP mock request.
        function processJsonpMock( requestSettings, mockHandler, origSettings ) {
                // Handle JSONP Parameter Callbacks, we need to replicate some of the jQuery core here
                // because there isn't an easy hook for the cross domain script tag of jsonp

                processJsonpUrl( requestSettings );

                requestSettings.dataType = 'json';
                if(requestSettings.data && CALLBACK_REGEX.test(requestSettings.data) || CALLBACK_REGEX.test(requestSettings.url)) {
                        createJsonpCallback(requestSettings, mockHandler, origSettings);

                        // We need to make sure
                        // that a JSONP style response is executed properly

                        var rurl = /^(\w+:)?\/\/([^\/?#]+)/,
                                parts = rurl.exec( requestSettings.url ),
                                remote = parts && (parts[1] && parts[1] !== location.protocol || parts[2] !== location.host);

                        requestSettings.dataType = 'script';
                        if(requestSettings.type.toUpperCase() === 'GET' && remote ) {
                                var newMockReturn = processJsonpRequest( requestSettings, mockHandler, origSettings );

                                // Check if we are supposed to return a Deferred back to the mock call, or just
                                // signal success
                                if(newMockReturn) {
                                        return newMockReturn;
                                } else {
                                        return true;
                                }
                        }
                }
                return null;
        }

        // Append the required callback parameter to the end of the request URL, for a JSONP request
        function processJsonpUrl( requestSettings ) {
                if ( requestSettings.type.toUpperCase() === 'GET' ) {
                        if ( !CALLBACK_REGEX.test( requestSettings.url ) ) {
                                requestSettings.url += (/\?/.test( requestSettings.url ) ? '&' : '?') +
                                        (requestSettings.jsonp || 'callback') + '=?';
                        }
                } else if ( !requestSettings.data || !CALLBACK_REGEX.test(requestSettings.data) ) {
                        requestSettings.data = (requestSettings.data ? requestSettings.data + '&' : '') + (requestSettings.jsonp || 'callback') + '=?';
                }
        }

        // Process a JSONP request by evaluating the mocked response text
        function processJsonpRequest( requestSettings, mockHandler, origSettings ) {
                logger.debug( mockHandler, ['Performing JSONP request', mockHandler, requestSettings, origSettings] );

                // Synthesize the mock request for adding a script tag
                var callbackContext = origSettings && origSettings.context || requestSettings,
                        // If we are running under jQuery 1.5+, return a deferred object
                        newMock = ($.Deferred) ? (new $.Deferred()) : null;

                // If the response handler on the moock is a function, call it
                if ( mockHandler.response && $.isFunction(mockHandler.response) ) {

                        mockHandler.response(origSettings);


                } else if ( typeof mockHandler.responseText === 'object' ) {
                        // Evaluate the responseText javascript in a global context
                        $.globalEval( '(' + JSON.stringify( mockHandler.responseText ) + ')');

                } else if (mockHandler.proxy) {
                        logger.info( mockHandler, ['Performing JSONP proxy request: ' + mockHandler.proxy, mockHandler] );

                        // This handles the unique case where we have a remote URL, but want to proxy the JSONP
                        // response to another file (not the same URL as the mock matching)
                        _ajax({
                                global: false,
                                url: mockHandler.proxy,
                                type: mockHandler.proxyType,
                                data: mockHandler.data,
                                dataType: requestSettings.dataType === 'script' ? 'text/plain' : requestSettings.dataType,
                                complete: function(xhr) {
                                        $.globalEval( '(' + xhr.responseText + ')');
                                        completeJsonpCall( requestSettings, mockHandler, callbackContext, newMock );
                                }
                        });

                        return newMock;

                } else {
                        $.globalEval( '(' +
                                ((typeof mockHandler.responseText === 'string') ?
                                        ('"' + mockHandler.responseText + '"') : mockHandler.responseText) +
                        ')');
                }

                completeJsonpCall( requestSettings, mockHandler, callbackContext, newMock );

                return newMock;
        }

        function completeJsonpCall( requestSettings, mockHandler, callbackContext, newMock ) {
                var json;

                // Successful response
                setTimeout(function() {
                        jsonpSuccess( requestSettings, callbackContext, mockHandler );
                        jsonpComplete( requestSettings, callbackContext );

                        if ( newMock ) {
                                try {
                                        json = $.parseJSON( mockHandler.responseText );
                                } catch (err) { /* just checking... */ }

                                newMock.resolveWith( callbackContext, [json || mockHandler.responseText] );
                                logger.log( mockHandler, ['JSONP mock call complete', mockHandler, newMock] );
                        }
                }, parseResponseTimeOpt( mockHandler.responseTime ));
        }


        // Create the required JSONP callback function for the request
        function createJsonpCallback( requestSettings, mockHandler, origSettings ) {
                var callbackContext = origSettings && origSettings.context || requestSettings;
                var jsonp = (typeof requestSettings.jsonpCallback === 'string' && requestSettings.jsonpCallback) || ('jsonp' + jsc++);

                // Replace the =? sequence both in the query string and the data
                if ( requestSettings.data ) {
                        requestSettings.data = (requestSettings.data + '').replace(CALLBACK_REGEX, '=' + jsonp + '$1');
                }

                requestSettings.url = requestSettings.url.replace(CALLBACK_REGEX, '=' + jsonp + '$1');


                // Handle JSONP-style loading
                window[ jsonp ] = window[ jsonp ] || function() {
                        jsonpSuccess( requestSettings, callbackContext, mockHandler );
                        jsonpComplete( requestSettings, callbackContext );
                        // Garbage collect
                        window[ jsonp ] = undefined;

                        try {
                                delete window[ jsonp ];
                        } catch(e) {}
                };
                requestSettings.jsonpCallback = jsonp;
        }

        // The JSONP request was successful
        function jsonpSuccess(requestSettings, callbackContext, mockHandler) {
                // If a local callback was specified, fire it and pass it the data
                if ( requestSettings.success ) {
                        requestSettings.success.call( callbackContext, mockHandler.responseText || '', 'success', {} );
                }

                // Fire the global callback
                if ( requestSettings.global ) {
                        (requestSettings.context ? $(requestSettings.context) : $.event).trigger('ajaxSuccess', [{}, requestSettings]);
                }
        }

        // The JSONP request was completed
        function jsonpComplete(requestSettings, callbackContext) {
                if ( requestSettings.complete ) {
                        requestSettings.complete.call( callbackContext, {
                                statusText: 'success',
                                status: 200
                        } , 'success' );
                }

                // The request was completed
                if ( requestSettings.global ) {
                        (requestSettings.context ? $(requestSettings.context) : $.event).trigger('ajaxComplete', [{}, requestSettings]);
                }

                // Handle the global AJAX counter
                if ( requestSettings.global && ! --$.active ) {
                        $.event.trigger( 'ajaxStop' );
                }
        }


        // The core $.ajax replacement.
        function handleAjax( url, origSettings ) {
                var mockRequest, requestSettings, mockHandler, overrideCallback;

                logger.debug( null, ['Ajax call intercepted', url, origSettings] );

                // If url is an object, simulate pre-1.5 signature
                if ( typeof url === 'object' ) {
                        origSettings = url;
                        url = undefined;
                } else {
                        // work around to support 1.5 signature
                        origSettings = origSettings || {};
                        origSettings.url = url || origSettings.url;
                }

                // Extend the original settings for the request
                requestSettings = $.ajaxSetup({}, origSettings);
                requestSettings.type = requestSettings.method = requestSettings.method || requestSettings.type;

                // Generic function to override callback methods for use with
                // callback options (onAfterSuccess, onAfterError, onAfterComplete)
                overrideCallback = function(action, mockHandler) {
                        var origHandler = origSettings[action.toLowerCase()];
                        return function() {
                                if ( $.isFunction(origHandler) ) {
                                        origHandler.apply(this, [].slice.call(arguments));
                                }
                                mockHandler['onAfter' + action]();
                        };
                };

                // Iterate over our mock handlers (in registration order) until we find
                // one that is willing to intercept the request
                for(var k = 0; k < mockHandlers.length; k++) {
                        if ( !mockHandlers[k] ) {
                                continue;
                        }

                        mockHandler = getMockForRequest( mockHandlers[k], requestSettings );
                        if(!mockHandler) {
                                logger.debug( mockHandlers[k], ['Mock does not match request', url, requestSettings] );
                                // No valid mock found for this request
                                continue;
                        }

                        if ($.mockjaxSettings.retainAjaxCalls) {
                                mockedAjaxCalls.push(requestSettings);
                        }

                        // If logging is enabled, log the mock to the console
                        logger.info( mockHandler, [
                                'MOCK ' + requestSettings.type.toUpperCase() + ': ' + requestSettings.url,
                                $.ajaxSetup({}, requestSettings)
                        ] );


                        if ( requestSettings.dataType && requestSettings.dataType.toUpperCase() === 'JSONP' ) {
                                if ((mockRequest = processJsonpMock( requestSettings, mockHandler, origSettings ))) {
                                        // This mock will handle the JSONP request
                                        return mockRequest;
                                }
                        }

                        // We are mocking, so there will be no cross domain request, however, jQuery
                        // aggressively pursues this if the domains don't match, so we need to
                        // explicitly disallow it. (See #136)
                        origSettings.crossDomain = false;

                        // Removed to fix #54 - keep the mocking data object intact
                        //mockHandler.data = requestSettings.data;

                        mockHandler.cache = requestSettings.cache;
                        mockHandler.timeout = requestSettings.timeout;
                        mockHandler.global = requestSettings.global;

                        // In the case of a timeout, we just need to ensure
                        // an actual jQuery timeout (That is, our reponse won't)
                        // return faster than the timeout setting.
                        if ( mockHandler.isTimeout ) {
                                if ( mockHandler.responseTime > 1 ) {
                                        origSettings.timeout = mockHandler.responseTime - 1;
                                } else {
                                        mockHandler.responseTime = 2;
                                        origSettings.timeout = 1;
                                }
                        }

                        // Set up onAfter[X] callback functions
                        if ( $.isFunction( mockHandler.onAfterSuccess ) ) {
                                origSettings.success = overrideCallback('Success', mockHandler);
                        }
                        if ( $.isFunction( mockHandler.onAfterError ) ) {
                                origSettings.error = overrideCallback('Error', mockHandler);
                        }
                        if ( $.isFunction( mockHandler.onAfterComplete ) ) {
                                origSettings.complete = overrideCallback('Complete', mockHandler);
                        }

                        copyUrlParameters(mockHandler, origSettings);

                        /* jshint loopfunc:true */
                        (function(mockHandler, requestSettings, origSettings, origHandler) {

                                mockRequest = _ajax.call($, $.extend(true, {}, origSettings, {
                                        // Mock the XHR object
                                        xhr: function() { return xhr( mockHandler, requestSettings, origSettings, origHandler ); }
                                }));
                        })(mockHandler, requestSettings, origSettings, mockHandlers[k]);
                        /* jshint loopfunc:false */

                        return mockRequest;
                }

                // We don't have a mock request
                logger.log( null, ['No mock matched to request', url, origSettings] );
                if ($.mockjaxSettings.retainAjaxCalls) {
                        unmockedAjaxCalls.push(origSettings);
                }
                if($.mockjaxSettings.throwUnmocked === true) {
                        throw new Error('AJAX not mocked: ' + origSettings.url);
                }
                else { // trigger a normal request
                        return _ajax.apply($, [origSettings]);
                }
        }

        /**
        * Copies URL parameter values if they were captured by a regular expression
        * @param {Object} mockHandler
        * @param {Object} origSettings
        */
        function copyUrlParameters(mockHandler, origSettings) {
                //parameters aren't captured if the URL isn't a RegExp
                if (!(mockHandler.url instanceof RegExp)) {
                        return;
                }
                //if no URL params were defined on the handler, don't attempt a capture
                if (!mockHandler.hasOwnProperty('urlParams')) {
                        return;
                }
                var captures = mockHandler.url.exec(origSettings.url);
                //the whole RegExp match is always the first value in the capture results
                if (captures.length === 1) {
                        return;
                }
                captures.shift();
                //use handler params as keys and capture resuts as values
                var i = 0,
                capturesLength = captures.length,
                paramsLength = mockHandler.urlParams.length,
                //in case the number of params specified is less than actual captures
                maxIterations = Math.min(capturesLength, paramsLength),
                paramValues = {};
                for (i; i < maxIterations; i++) {
                        var key = mockHandler.urlParams[i];
                        paramValues[key] = captures[i];
                }
                origSettings.urlParams = paramValues;
        }

        /**
         * Clears handlers that mock given url
         * @param url
         * @returns {Array}
         */
        function clearByUrl(url) {
                var i, len,
                        handler,
                        results = [],
                        match=url instanceof RegExp ?
                                function(testUrl) { return url.test(testUrl); } :
                                function(testUrl) { return url === testUrl; };
                for (i=0, len=mockHandlers.length; i<len; i++) {
                        handler = mockHandlers[i];
                        if (!match(handler.url)) {
                                results.push(handler);
                        } else {
                                logger.log( handler, [
                                        'Clearing mock: ' + (handler && handler.url),
                                        handler
                                ] );
                        }
                }
                return results;
        }


        // Public

        $.extend({
                ajax: handleAjax
        });

        var logger = {
                _log: function logger( mockHandler, args, level ) {
                        var loggerLevel = $.mockjaxSettings.logging;
                        if (mockHandler && typeof mockHandler.logging !== 'undefined') {
                                loggerLevel = mockHandler.logging;
                        }
                        level = ( level === 0 ) ? level : ( level || logLevels.LOG );
                        args = (args.splice) ? args : [ args ];

                        // Is logging turned off for this mock or mockjax as a whole?
                        // Or is this log message above the desired log level?
                        if ( loggerLevel === false || loggerLevel < level ) {
                                return;
                        }

                        if ( $.mockjaxSettings.log ) {
                                return $.mockjaxSettings.log( mockHandler, args[1] || args[0] );
                        } else if ( $.mockjaxSettings.logger && $.mockjaxSettings.logger[$.mockjaxSettings.logLevelMethods[level]] ) {
                                return $.mockjaxSettings.logger[$.mockjaxSettings.logLevelMethods[level]].apply( $.mockjaxSettings.logger, args );
                        }
                },
                /**
                 * Convenience method for logging a DEBUG level message
                 * @param  {Object} m  The mock handler in question
                 * @param  {Array|String|Object} a  The items to log
                 * @return {?}  Will return whatever the $.mockjaxSettings.logger method for this level would return (generally 'undefined')
                 */
                debug: function(m,a) { return logger._log(m,a,logLevels.DEBUG); },
                /**
                 * @see logger.debug
                 */
                log: function(m,a) { return logger._log(m,a,logLevels.LOG); },
                /**
                 * @see logger.debug
                 */
                info: function(m,a) { return logger._log(m,a,logLevels.INFO); },
                /**
                 * @see logger.debug
                 */
                warn: function(m,a) { return logger._log(m,a,logLevels.WARN); },
                /**
                 * @see logger.debug
                 */
                error: function(m,a) { return logger._log(m,a,logLevels.ERROR); }
        };

        var logLevels = {
                DEBUG: 4,
                LOG: 3,
                INFO: 2,
                WARN: 1,
                ERROR: 0
        };

        /**
         * Default settings for mockjax. Some of these are used for defaults of
         * individual mock handlers, and some are for the library as a whole.
         * For individual mock handler settings, please see the README on the repo:
         * https://github.com/jakerella/jquery-mockjax#api-methods
         *
         * @type {Object}
         */
        $.mockjaxSettings = {
                log:                            null, // this is only here for historical purposes... use $.mockjaxSettings.logger
                logger:                         window.console,
                logging:                        2,
                logLevelMethods:        ['error', 'warn', 'info', 'log', 'debug'],
                namespace:                      null,
                status:                         200,
                statusText:                     'OK',
                responseTime:           DEFAULT_RESPONSE_TIME,
                isTimeout:                      false,
                throwUnmocked:          false,
                retainAjaxCalls:        true,
                contentType:            'text/plain',
                response:                       '',
                responseText:           '',
                responseXML:            '',
                proxy:                          '',
                proxyType:                      'GET',

                lastModified:           null,
                etag:                           '',
                headers:                        {
                                                                etag: 'IJF@H#@923uf8023hFO@I#H#',
                                                                'content-type' : 'text/plain'
                                                        }
        };

        /**
         * Create a new mock Ajax handler. When a mock handler is matched during a
         * $.ajax() call this library will intercept that request and fake a response
         * using the data and methods in the mock. You can see all settings in the
         * README of the main repository:
         * https://github.com/jakerella/jquery-mockjax#api-methods
         *
         * @param  {Object} settings The mock handelr settings: https://github.com/jakerella/jquery-mockjax#api-methods
         * @return {Number}               The id (index) of the mock handler suitable for clearing (see $.mockjax.clear())
         */
        $.mockjax = function(settings) {
                // Multiple mocks.
                if ( $.isArray(settings) ) {
                        return $.map(settings, function(s) {
                                return $.mockjax(s);
                        });
                }

                var i = mockHandlers.length;
                mockHandlers[i] = settings;
                logger.log( settings, ['Created new mock handler', settings] );
                return i;
        };

        $.mockjax._logger = logger;

        /**
         * Remove an Ajax mock from those held in memory. This will prevent any
         * future Ajax request mocking for matched requests.
         * NOTE: Clearing a mock will not prevent the resolution of in progress requests
         *
         * @param  {Number|String|RegExp} i  OPTIONAL The mock to clear. If not provided, all mocks are cleared,
         *                                   if a number it is the index in the in-memory cache. If a string or
         *                                   RegExp, find a mock that matches that URL and clear it.
         * @return {void}
         */
        $.mockjax.clear = function(i) {
                if ( typeof i === 'string' || i instanceof RegExp) {
                        mockHandlers = clearByUrl(i);
                } else if ( i || i === 0 ) {
                        logger.log( mockHandlers[i], [
                                'Clearing mock: ' + (mockHandlers[i] && mockHandlers[i].url),
                                mockHandlers[i]
                        ] );
                        mockHandlers[i] = null;
                } else {
                        logger.log( null, 'Clearing all mocks' );
                        mockHandlers = [];
                }
                mockedAjaxCalls = [];
                unmockedAjaxCalls = [];
        };

        /**
         * By default all Ajax requests performed after loading Mockjax are recorded
         * so that we can see which requests were mocked and which were not. This
         * method allows the developer to clear those retained requests.
         *
         * @return {void}
         */
        $.mockjax.clearRetainedAjaxCalls = function() {
                mockedAjaxCalls = [];
                unmockedAjaxCalls = [];
                logger.debug( null, 'Cleared retained ajax calls' );
        };

        /**
         * Retrive the mock handler with the given id (index).
         *
         * @param  {Number} i  The id (index) to retrieve
         * @return {Object}     The mock handler settings
         */
        $.mockjax.handler = function(i) {
                if ( arguments.length === 1 ) {
                        return mockHandlers[i];
                }
        };

        /**
         * Retrieve all Ajax calls that have been mocked by this library during the
         * current session (in other words, only since you last loaded this file).
         *
         * @return {Array}  The mocked Ajax calls (request settings)
         */
        $.mockjax.mockedAjaxCalls = function() {
                return mockedAjaxCalls;
        };

        /**
         * Return all mock handlers that have NOT been matched against Ajax requests
         *
         * @return {Array}  The mock handlers
         */
        $.mockjax.unfiredHandlers = function() {
                var results = [];
                for (var i=0, len=mockHandlers.length; i<len; i++) {
                        var handler = mockHandlers[i];
                        if (handler !== null && !handler.fired) {
                                results.push(handler);
                        }
                }
                return results;
        };

        /**
         * Retrieve all Ajax calls that have NOT been mocked by this library during
         * the current session (in other words, only since you last loaded this file).
         *
         * @return {Array}  The mocked Ajax calls (request settings)
         */
        $.mockjax.unmockedAjaxCalls = function() {
                return unmockedAjaxCalls;
        };

        return $.mockjax;

}));