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/*
 * v0.1.0
 * Created by the Google Analytics consultants at http://www.lunametrics.com
 * Written by @notdanwilkerson
 * Documentation: http://www.lunametrics.com/blog/2015/08/27/ajax-event-listener-google-tag-manager/
 * Licensed under the Creative Commons 4.0 Attribution Public License
 */

(function() {


	// 'use strict';

	/*
	var $, n = 0;

	init();
	function init(n) {
		if (typeof jQuery !== 'undefined') { // Ensure jQuery is available before anything
			$ = jQuery; // Define our $ shortcut locally

			bindToAjax();
		} else if (n < 20) { // Check for up to 10 seconds
			n++;

			setTimeout(init, 500);
		}
	}

	function bindToAjax() {
		$(document).bind('ajaxComplete', function(evt, jqXhr, opts) {

			var fullUrl = document.createElement('a'); // Create a fake a element for magically simple URL parsing
			fullUrl.href = opts.url;

			var pathname = fullUrl.pathname[0] === '/' ? fullUrl.pathname : '/' + fullUrl.pathname; // IE9+ strips the leading slash from a.pathname because who wants to get home on time Friday anyways
			var queryString = fullUrl.search[0] === '?' ? fullUrl.search.slice(1) : fullUrl.search; // Manually remove the leading question mark, if there is one
			var queryParameters = objMap(queryString, '&', '=', true); // Turn our params and headers into objects for easier reference
			var headers = objMap(jqXhr.getAllResponseHeaders(), '\n', ':');

			var response = jqXhr.responseJSON || jqXhr.responseXML || jqXhr.responseText || '';
			console.log('pathname >', pathname, 'response >', response);

			if (pathname == '/ajax/order/make/' && response.length) {
				dataLayer.push({
					'event': 'userEvent true',
					'dataEvent': {
						'category': 'Coupon',
						'event': 'Order sent',
						'label': coupon
					}
				});
				console.log('response >', JSON.parse(response).error);
			}


			/*
			dataLayer.push({ // Blindly push to the dataLayer because this fires within GTM
				'event': 'ajaxComplete',
				'attributes': { // Return empty strings to prevent accidental inheritance of old data
					'type': opts.type || '',
					'url': fullUrl.href || '',
					'queryParameters': queryParameters,
					'pathname': pathname || '',
					'hostname': fullUrl.hostname || '',
					'protocol': fullUrl.protocol || '',
					'fragment': fullUrl.hash || '',
					'statusCode': jqXhr.status || '',
					'statusText': jqXhr.statusText || '',
					'headers': headers,
					'timestamp': evt.timeStamp || '',
					'contentType': opts.contentType || '',
					'response': (jqXhr.responseJSON || jqXhr.responseXML || jqXhr.responseText || '') // Defer to jQuery's handling of the response
				}
			});

		});
	}

	function objMap(data, delim, spl, decode) {
		var obj = {};

		if (!data || !delim || !spl) return {}; // If one of our parameters is missing, return an empty object

		var i, arr = data.split(delim);

		if (arr) {
			for (i = 0; i < arr.length; i++) {
				var item = decode ? decodeURIComponent(arr[i]) : arr[i]; // If the decode flag is present, URL decode the set
				var pair = item.split(spl);

				var key = trim_(pair[0]);
				var value = trim_(pair[1]);

				if (key && value) {
					obj[key] = value;
				}
			}
		}

		return obj;
	}

	function trim_(str) { // Basic .trim() polyfill
		if (str) return str.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
	}
	*/

})();



sl.ajaxEvent = {
	n: 0,
	init: function(n) {
		var $;

		if (typeof jQuery !== 'undefined') { // Ensure jQuery is available before anything
			$ = jQuery; // Define our $ shortcut locally

			this.bindToAjax();
		} else if (this.n < 20) { // Check for up to 10 seconds
			this.n++;

			setTimeout(this.init, 500);
		}
	},
	bindToAjax: function() {
		var self = this;

		$(document).bind('ajaxComplete', function(evt, jqXhr, opts) {
			var fullUrl = document.createElement('a'); // Create a fake a element for magically simple URL parsing
			fullUrl.href = opts.url;

			var pathname = fullUrl.pathname[0] === '/' ? fullUrl.pathname : '/' + fullUrl.pathname; // IE9+ strips the leading slash from a.pathname because who wants to get home on time Friday anyways
			// var queryString = fullUrl.search[0] === '?' ? fullUrl.search.slice(1) : fullUrl.search; // Manually remove the leading question mark, if there is one
			// var queryParameters = self.objMap(queryString, '&', '=', true); // Turn our params and headers into objects for easier reference
			var headers = self.objMap(jqXhr.getAllResponseHeaders(), '\n', ':');

			var response = jqXhr.responseJSON || jqXhr.responseXML || jqXhr.responseText || '';

			sl.ajaxEvent.list(pathname, response);

			/*
			dataLayer.push({ // Blindly push to the dataLayer because this fires within GTM
				'event': 'ajaxComplete',
				'attributes': { // Return empty strings to prevent accidental inheritance of old data
					'type': opts.type || '',
					'url': fullUrl.href || '',
					'queryParameters': queryParameters,
					'pathname': pathname || '',
					'hostname': fullUrl.hostname || '',
					'protocol': fullUrl.protocol || '',
					'fragment': fullUrl.hash || '',
					'statusCode': jqXhr.status || '',
					'statusText': jqXhr.statusText || '',
					'headers': headers,
					'timestamp': evt.timeStamp || '',
					'contentType': opts.contentType || '',
					'response': (jqXhr.responseJSON || jqXhr.responseXML || jqXhr.responseText || '') // Defer to jQuery's handling of the response
				}
			});
			*/
		});
	},
	objMap: function(data, delim, spl, decode) {
		var obj = {};

		if (!data || !delim || !spl) return {}; // If one of our parameters is missing, return an empty object

		var i, arr = data.split(delim);

		if (arr) {
			for (i = 0; i < arr.length; i++) {
				var item = decode ? decodeURIComponent(arr[i]) : arr[i], // If the decode flag is present, URL decode the set
					pair = item.split(spl),
					key = this.trim_(pair[0]),
					value = this.trim_(pair[1]);

				if (key && value) {
					obj[key] = value;
				}
			}
		}

		return obj;
	},
	trim_: function(str) {
		if (str) return str.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
	}
};

sl.ajaxEvent.list = function(pathname, response) {
	if (pathname == '/ajax/order/make/' && response.length) {
		var message,
			coupon = $('#COUPON').val().substr(0, 50) || '',
			resp = String(JSON.parse(response).error).replace("<nobr>", "");

		switch(0) {
			case resp.search(/Заказ с/):
				message = 0;
			break;
			case resp.search(/Изменился состав/):
				message = 1;
			break;
			case resp.search(/В корзине/):
				message = 2;
			break;
			case resp.search(/Промокод не/):
				message = 3;
			break;
			case resp.search(/Для пользователя/):
				message = 4;
			break;
			case resp.search(/Данный промокод/):
				message = 5;
			break;
			case resp.search(/Истек срок/):
				message = 6;
			break;
			case resp.search(/Для применения/):
				message = 7;
			break;
			case resp.search(/Промокод нельзя/):
				message = 8;
			break;
		}

		dataLayer.push({
			'event': 'userEvent true',
			'dataEvent': {
				'category': 'Coupon',
				'event': coupon,
				'label': message
			}
		});
		// console.log('pathname >', pathname, '; response >', JSON.parse(response).error);
	}
};

sl.ajaxEvent.init();