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/*
###########################################################
### ORACLE BLUEKAI : OPTIMIZELY X : JSON Return handler ###
###########################################################

Author : roshan.gonsalkorale@oracle.com

Notes:

- Will call BlueKai JSON Return tag asynchronously if not already loaded (http://tags.bluekai.com/site/XXXXX?ret=js&limit=1)
- Sends data via window["optimizely"].push() (https://developers.optimizely.com/x/solutions/javascript/reference/index.html#function_setuser)
- Will send each category ID and campaign ID as "bluekai_category_XXXXXX" or "bluekai_campaign_XXXXXX" (e.g. "bluekai_category_123456")
- In Optimizely you will need to build audiences based on these custom attributes (https://help.optimizely.com/Target_Your_Visitors/Custom_Attributes%3A_Capture_visitor_data_through_the_API_in_Optimizely_X)
- Code can be cut and pasted in "Settings > Javascript" in Optimizely X
- For debugging, add 'bk_optimizely_logger=true' as a query-string parameter in the URL

*/

// CONFIG : EDIT THIS PART

// Create object to store functions
window.bk_optimizely_integration = {};
window.bk_optimizely_integration.functions = {};
window.bk_optimizely_integration.data = {};
window.bk_optimizely_integration.bluekai_jsonreturn_id = "41738"; // BISL ID
window.bk_optimizely_integration.wait_in_ms = 5000; // How long to wait before asking BlueKai for the latest categories and firing data to Optimizely (default 5000ms)

/* 
##########################################################################################
DO NOT EDIT BELOW THIS LINE
##########################################################################################
*/

// FUNCTION : Logger
bk_optimizely_integration.functions.logger = function(message,attribute_object) {

    if(document.location.href.indexOf('bk_optimizely_logger=true') > -1){
        
        //session cookie
        document.cookie = "bk_optimizely_logger=" + "true" +
        ";path=/;domain=" + document.domain + ";expires=";
    }

    if (document.cookie.indexOf('bk_optimizely_logger=true') > -1) {
        
        if(typeof attribute_object === "undefined"){
            console.log(message);
        } else {
            for (varName in attribute_object){
                console.log(message + varName + "=" + attribute_object[varName]);
            }
        }
    }

};

// FUNCTION : Parse BlueKai data and send to OPTIMIZELY
bk_optimizely_integration.functions.parseBkResults = function() {


    // Parse BlueKai Campaign Results
    window.bk_optimizely_integration.data.bluekai_category_ids = [];
    window.bk_optimizely_integration.data.bluekai_campaign_ids = [];

    if (typeof(bk_results) != "undefined") {

        if (typeof(bk_results.campaigns[0]) != "undefined") {
            
            bk_optimizely_integration.functions.logger("BLUEKAI OPTIMIZELY : 'bk_results' object found");

            for (var i = 0; i < bk_results.campaigns.length; i++) {
                
                window.bk_optimizely_integration.data.bluekai_campaign_ids.push(bk_results.campaigns[i].campaign);                

                for (var j = 0; j < bk_results.campaigns[i].categories.length; j++) {                    

                    if (typeof(bk_results.campaigns[i].categories[j].categoryID) != "undefined") {
                        
                        window.bk_optimizely_integration.data.bluekai_category_ids.push(bk_results.campaigns[i].categories[j].categoryID);

                    }
                }

            }

            bk_optimizely_integration.functions.sendOptimizely(); // Send data to Optimizely            

        } else {
            bk_optimizely_integration.functions.logger("BLUEKAI OPTIMIZELY : No campaigns object");
        }

    } else {
        bk_optimizely_integration.functions.logger("BLUEKAI OPTIMIZELY : No 'bk_results' object");
    }

};

bk_optimizely_integration.functions.sendOptimizely = function() {
    
    // Parse BlueKai Campaign Results
    if (window["optimizely"] && typeof window["optimizely"].push === "function") {

    // Create Attributes object
    var bk_opt_attributes = {};

    // Shorten var names
    var bk_campaigns_ids = window.bk_optimizely_integration.data.bluekai_campaign_ids;
    var bk_category_ids = window.bk_optimizely_integration.data.bluekai_category_ids;
    
    if(bk_campaigns_ids.length > bk_category_ids.length){

        var bk_array_length = bk_campaigns_ids.length;

    } else {var bk_array_length = bk_category_ids.length;}
    
    for (var i = 0; i < bk_array_length; i++) {
        
        if(bk_campaigns_ids[i]){
            bk_opt_attributes['bluekai_campaign_' + bk_campaigns_ids[i]] = "true";
        }
        if(bk_category_ids[i]){
            bk_opt_attributes['bluekai_category_' + bk_category_ids[i]] = "true";
        }
    }

    window["optimizely"].push({
        "type": "user",
        "attributes": bk_opt_attributes
    });

    bk_optimizely_integration.functions.logger("BLUEKAI OPTIMIZELY : Sending Campaign/Category IDs to Optimizely");
    bk_optimizely_integration.functions.logger("BLUEKAI OPTIMIZELY : 'window['optimizely'].push({'type': 'user','attributes': SEE ATTRIBUTES BELOW});'");
    bk_optimizely_integration.functions.logger(bk_opt_attributes);    
    bk_optimizely_integration.functions.logger("BLUEKAI OPTIMIZELY : Attribute Sent : ",bk_opt_attributes);    
    bk_optimizely_integration.functions.logger("BLUEKAI OPTIMIZELY : Data Sent");
    bk_optimizely_integration.functions.logger("BLUEKAI OPTIMIZELY : Please see https://developers.optimizely.com/x/solutions/javascript/reference/index.html#function_setuser for details on this API call");

    } else {
        bk_optimizely_integration.functions.logger("BLUEKAI OPTIMIZELY : optimizely.window.push() doesn't exist");
    }

};

// FUNCTION : Call BlueKai
bk_optimizely_integration.functions.callBlueKai = function(bluekai_jsonreturn_id) {

    // Check if JSON return tag already there
    if ((document.head && document.head.innerHTML.indexOf(bluekai_jsonreturn_id + '?ret=js') > -1) || (document.body && document.body.innerHTML.indexOf(bluekai_jsonreturn_id + '?ret=js') > -1)) {


        bk_optimizely_integration.functions.logger("BLUEKAI OPTIMIZELY : JSON Return tag found");
        bk_optimizely_integration.functions.logger("BLUEKAI OPTIMIZELY : Parsing 'bk_results' directly");
        bk_optimizely_integration.functions.parseBkResults(); // Parse results (don't call JSON ret tag)        

    } else {

        bk_optimizely_integration.functions.logger("BLUEKAI OPTIMIZELY : JSON Return tag NOT found");
        bk_optimizely_integration.functions.logger("BLUEKAI OPTIMIZELY : Waiting " + window.bk_optimizely_integration.wait_in_ms + "ms before calling JSON Return Tag");

        setTimeout(function(){ 

        
        bk_optimizely_integration.functions.logger("BLUEKAI OPTIMIZELY : Calling JSON Return tag");
        var bk_json_ret = document.createElement("script");
        bk_json_ret.type = "text/javascript";
        bk_json_ret.onload = function() {
            bk_optimizely_integration.functions.logger("BLUEKAI OPTIMIZELY : JSON Return tag loaded");
            bk_optimizely_integration.functions.logger("BLUEKAI OPTIMIZELY : Parsing 'bk_results'");
            bk_optimizely_integration.functions.parseBkResults(); // Parse results
        };
        bk_json_ret.src = "//tags.bluekai.com/site/" + bluekai_jsonreturn_id + "?ret=js&limit=1&integration=optimizely";

        document.head.appendChild(bk_json_ret);
                
        }, 
        window.bk_optimizely_integration.wait_in_ms);
        
    }

};

// RUN CODE
bk_optimizely_integration.functions.callBlueKai(window.bk_optimizely_integration.bluekai_jsonreturn_id);