// Read a cookie from the browser
function readCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for (var i = 0; i < ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0) == ' ') c = c.substring(1, c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
    }
    return "";
}

// Read a value from a multi-valued cookie
function readCookieItem(cookieName, itemName, defaultValue) {

    var cookieValue = unescape(readCookie(cookieName));
    var resultValue = defaultValue;

    if (cookieValue != '') {
        var itemIndex = cookieValue.indexOf(itemName + '=');
        if (itemIndex > -1) {

            // Get the index of the delimitor after the item we want
            var multiValueSplitIndex = cookieValue.indexOf('&', itemIndex);
            if (multiValueSplitIndex == -1) {
                // No delimitor, so we reached the end of the values
                multiValueSplitIndex = cookieValue.length;
            }

            // Make sure the indexes are valid
            if (multiValueSplitIndex > -1 && itemIndex < multiValueSplitIndex) {
                resultValue = cookieValue.substring(itemIndex + itemName.length + 1, multiValueSplitIndex);
            }
        }
    }

    return resultValue;
}

// Set a cookie on the user's browser
function setCookie(name, value, expires, path, domain, secure) {
    // set time, it's in milliseconds
    var today = new Date();
    today.setTime(today.getTime());

	//if the expires variable is set, make the correct expires time, the current script below will set it for x number of days, to make it for hours, delete * 24, for minutes, delete * 60 * 24 
    if (expires) {
        expires = expires * 1000 * 60 * 60 * 24;
    }
    var expires_date = new Date(today.getTime() + (expires));
    document.cookie = name + ' = ' + escape(value) + ((expires) ? '; expires = ' + expires_date.toGMTString() : '') + ((path) ? '; path = ' + path : '') + ((domain) ? '; domain = ' + domain : '') + ((secure) ? '; secure' : '');
}

// Read a value from the query string
function readQueryStringValue(itemName) {

    var query = window.location.search.substring(1);
    var vars = query.split("&");
    for (var i = 0; i < vars.length; i++) {
        var pair = vars[i].split("=");
        if (pair.length > 1) {
            if (pair[0] == itemName) {
                return pair[1];
            }
        }
    }

    return "";
}

// This will read the values from the query string and cookie the user for 30 days.  
// The values will be read from the confirmation page if the referred user registers 
// for an event.  Note that sActiveUrl comes from config.js.
function buildAffiliateCookie() {
	var clickId = readQueryStringValue("ltclickid");
	var campaignId = readQueryStringValue("ltcmp");
	if (clickId != "" && campaignId != "") {
	
		// Encodes into a multi-valued cookie
		var value = "ltcmp=" + campaignId + "&ltclickid=" + clickId;
	
		// TODO: Set your domain
		var domain = 'advantageqa.active.com';
		
		setCookie("affiliate", value, 30, "/", domain);
		//$.cookie('affiliate', 'value', { expires: 30, path: '/' });
	}
}

function deleteAffiliateCookie() {
	var domain = 'advantageqa.active.com';
	setCookie("affiliate", '', -1, "/", domain);

}

function readAffiliateClickId() {
	return readCookieItem("affiliate", "ltclickid", "");
}

function readAffiliateCampaignId() {
	return readCookieItem("affiliate", "ltcmp", "");
}