var httpbase = ('https:' == document.location.protocol ? 'https://'	: 'http://') + 'shopmadeinchina.com';

function CartAnalysis() {
	var reg = /product\/[^_\/]*_(\d+)\.s?html/ig
	var map_element = {};
	var element_obj = [];
	var download_count = 0;
	var last_offset = -1;
	var doc_body;
	var doc_element;
	var ua = navigator.userAgent.toLowerCase();
	var searchId, openId;
	
    function initVar() {
        doc_body = document.body;
        doc_element = document.compatMode == 'BackCompat' ? doc_body : document.documentElement;
    };
	function initElementMap() {
				var products = jQuery("body").html().match(reg);
		if (products != null) {
			var hreflist={}
			for ( var i = 0; i < products.length; i++) {
				href=products[i];
				if (hreflist[href] != null) {
					continue;
				}
				var oo = $("a[href*='"+href+"']");
				if (oo.length>0 && oo.find("img").length>0) {
    				hreflist[href] = 1;
					map_element[i] = oo[0];
					download_count++;
				}
			}
		}
	}
	;
	function initDownloadListen() {
		if (!download_count)
			return;
		var offset = Math.max(document.body.scrollTop, document.documentElement.scrollTop);
				var visio_offset = offset + doc_element.clientHeight;
		last_offset = visio_offset;
		var visio_height = doc_element.clientHeight;
		var img_show_height = visio_height + offset;
		var productIds = "";
		for (var key in map_element) {
			var t_o = map_element[key];
			if ($(t_o).is(":hidden")) {
				continue;
			}
			var o_img = $(t_o).find("img")[0];
			var o_top = getAbsoluteTop(o_img)
			if (img_show_height > o_top) {
    			var href = t_o.getAttribute("href");
    			var pid = href.replace(/^.*?_(\d+).html/ig, "$1");
    			productIds += pid + ","
    			delete map_element[key];
    			download_count--;
			}
		}
		if (productIds.length > 0) {
			saveProductShow(productIds);
		}
		var elementEmpty = true;
		for (var key in map_element) {
			elementEmpty = false;
			break;
		}
		if (!elementEmpty) {
			setTimeout(initDownloadListen, 200);
		}
	}
	;
	function getAbsoluteTop(element) {
		if (arguments.length != 1 || element == null) {
			return null;
		}
		var offsetTop = element.offsetTop;
		while (element = element.offsetParent) {
			offsetTop += element.offsetTop;
		}
		return offsetTop;
	}
	function initProductShow() {
		initVar();
		initElementMap();
		setTimeout(initDownloadListen, 1000);
	}

	function saveVisit() {
		var params = {};
		if (document) {
			params.domain = document.domain || '';
			params.url = document.URL || '';
			params.title = document.title || '';
			params.referrer = document.referrer || '';
		}
		if (window && window.screen) {
			params.sh = window.screen.height || 0;
			params.sw = window.screen.width || 0;
			params.cd = window.screen.colorDepth || 0;
		}
		if (navigator) {
			params.lang = navigator.language || '';
		}
		if (_fdq) {
			for ( var i in _fdq) {
				switch (_fdq[i][0]) {
				case '_setAccount':
					params.account = _fdq[i][1];
					break;
				default:
					break;
				}
			}
		}
		if (typeof (cartAnalysisSaveProduct) != "undefined"
					&& cartAnalysisSaveProduct != null) {
			params.saveProduct = cartAnalysisSaveProduct;
			params.productId = cartAnalysisSaveProduct.productId;
		}
		if (typeof (cartAnalysisSaveOrder) != "undefined"
				&& cartAnalysisSaveOrder != null) {
			params.saveOrder = cartAnalysisSaveOrder.ordersinfo;
		}
		// search
		if (typeof (cartAnalysisSaveSearch) != "undefined"
				&& cartAnalysisSaveSearch != null) {
			params.saveSearch = cartAnalysisSaveSearch;
		}
		if (typeof (cartAnalysisSaveRegist) != "undefined"
			&& cartAnalysisSaveRegist != null) {
			params.registerId = cartAnalysisSaveRegist.userId;
		}
		if (typeof (cartAnalysisSaveBuyer) != "undefined"
			&& cartAnalysisSaveBuyer != null) {
			params.buyerId = cartAnalysisSaveBuyer.buyerId;
		}
		if (typeof (cartAnalysisSaveStore) != "undefined"
			&& cartAnalysisSaveStore != null) {
			params.storeId = cartAnalysisSaveStore.storeId;
			if (cartAnalysisSaveStore.pageIndex != null) {
				params.pageIndex = cartAnalysisSaveStore.pageIndex;
			}
		}
		jQuery.getJSON(httpbase + "/stat/action/statistics.VisitStatAction?"
				+ Math.random() + "&jsoncallback=?", params, function(data) {
				searchId = data.result;
				openId = data.openId;
				initProductShow();
		});
	}

	function clickProd(productId, p) {
		if (searchId == 0) {
			return;
		}
		var params = "?url=" + encodeURIComponent(document.location);
		params = params + "&sid=" + searchId + "&productId=" + productId + "&p=" + p;
		var url = httpbase + "/stat/action/statistics.ClickSearchProductAction";
		jQuery.getScript(url + params + "&r=" + Math.random());
	}

	function visitLogin(userId) {
		var params = "?referer=" + encodeURIComponent(document.referrer)
				+ "&url=" + encodeURIComponent(document.location) + "&userId="
				+ userId;
		var url = httpbase + "/stat/action/statistics.SaveBuyerStatAction";
		jQuery.getScript(url + params + "&r=" + Math.random());
	}

	function visitRegister(userId) {
		var params = "?referer=" + encodeURIComponent(document.referrer)
				+ "&url=" + encodeURIComponent(document.location) + "&regUser="
				+ userId;
		var url = httpbase + "/stat/action/statistics.SaveBuyerStatAction";
		jQuery.getScript(url + params + "&r=" + Math.random());
	}

	function saveSearch(keywords, pageSize, pageIndex, resultCount) {
		var params = "?url=" + encodeURIComponent(document.location);
		params = params + "&keywords=" + encodeURIComponent(keywords);
		params = params + "&pageSize=" + encodeURIComponent(pageSize);
		params = params + "&pageIndex=" + encodeURIComponent(pageIndex);
		params = params + "&resultCount=" + encodeURIComponent(resultCount);
		var url = httpbase + "/stat/action/statistics.SaveSearchAction"
				+ params + "&r=" + Math.random();
		jQuery.getScript(url);
	}

	function saveOrder(ordersinfo, cb) {
		var params = "?url=" + encodeURIComponent(document.location);
		params = params + "&ordersinfo=" + encodeURIComponent(ordersinfo);
		var url = httpbase + "/stat/action/statistics.OrderStatAction";
		var cb = cb || function() {
		};
		jQuery.getScript(url + params + "&r=" + Math.random(), cb);
	}

	function saveProduct(productIds, cart) {
		var params = "?url=" + encodeURIComponent(document.location);
		params = params + "&productIds=" + productIds + "&cart=" + cart;
		var url = httpbase + "/stat/action/statistics.ProductStatAction";
		jQuery.getScript(url + params + "&r=" + Math.random());
	}

	function saveProductShow(productIds) {
		var params = "?url=" + encodeURIComponent(document.location);
		params = params + "&productIds=" + productIds + "&openId=" + openId;
		var url = httpbase + "/stat/action/statistics.SaveProductShowAction";
		jQuery.getScript(url + params + "&r=" + Math.random());
	}

	return {
		clickProd : clickProd,
		visitLogin : visitLogin,
		visitRegister : visitRegister,
		saveProductShow : saveProductShow,
		saveVisit : saveVisit
	}
}
var cartAnalysis = new CartAnalysis();
jQuery("document").ready(function() {
	cartAnalysis.saveVisit()
});
function clickProd(productId, p) {
	cartAnalysis.clickProd(productId, p);
}