/*
 * A complete cookies reader/writer framework with full unicode support.   
 */       
var docCookies = {
  getItem: function (sKey) {
    return decodeURIComponent(document.cookie.replace(new RegExp("(?:(?:^|.*;)\\s*" + encodeURIComponent(sKey).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=\\s*([^;]*).*$)|^.*$"), "$1")) || null;
  },
  setItem: function (sKey, sValue, vEnd, sPath, sDomain, bSecure) {
    if (!sKey || /^(?:expires|max\-age|path|domain|secure)$/i.test(sKey)) { return false; }
    var sExpires = "";
    if (vEnd) {
      switch (vEnd.constructor) {
        case Number:
          sExpires = vEnd === Infinity ? "; expires=Fri, 31 Dec 9999 23:59:59 GMT" : "; max-age=" + vEnd;
          break;
        case String:
          sExpires = "; expires=" + vEnd;
          break;
        case Date:
          sExpires = "; expires=" + vEnd.toUTCString();
          break;
      }
    }
    document.cookie = encodeURIComponent(sKey) + "=" + encodeURIComponent(sValue) + sExpires + (sDomain ? "; domain=" + sDomain : "") + (sPath ? "; path=" + sPath : "") + (bSecure ? "; secure" : "");
    return true;
  },
  removeItem: function (sKey, sPath, sDomain) {
    if (!sKey || !this.hasItem(sKey)) { return false; }
    document.cookie = encodeURIComponent(sKey) + "=; expires=Thu, 01 Jan 1970 00:00:00 GMT" + ( sDomain ? "; domain=" + sDomain : "") + ( sPath ? "; path=" + sPath : "");
    return true;
  },
  hasItem: function (sKey) {
    return (new RegExp("(?:^|;\\s*)" + encodeURIComponent(sKey).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=")).test(document.cookie);
  },
  keys: /* optional method: you can safely remove it! */ function () {
    var aKeys = document.cookie.replace(/((?:^|\s*;)[^\=]+)(?=;|$)|^\s*|\s*(?:\=[^;]*)?(?:\1|$)/g, "").split(/\s*(?:\=[^;]*)?;\s*/);
    for (var nIdx = 0; nIdx < aKeys.length; nIdx++) { aKeys[nIdx] = decodeURIComponent(aKeys[nIdx]); }
    return aKeys;
  }
};

/*
 * Event Util
 */
var EventUtil = {
    getEvent: function (event) {
        return event ? event : window.event;
    },
    addHandler: function (element, type, handler) {
        if (element.addEventListener) {
            element.addEventListener(type, handler, false);
        } else if (element.attachEvent) {
            element.attachEvent("on" + type, handler);
        } else {
            element["on" + type] = handler;
        }
    }
};

/*
 * Document Util
 */
var DomUtil = {
    addScript: function(url, callback_name) {
        var newScript = document.createElement('script'),
        firstScript = document.getElementsByTagName('script')[0];
        newScript.async = 1;
        if(callback_name) {
            url += url.indexOf('?') > -1 ? '&' : '?';
            url += 'callback=' + callback_name;
        }
        newScript.src = url;
        firstScript.parentNode.insertBefore(newScript, firstScript);
    }

}

        
var ChartsmithTracker = {};
/*
 * Track initialize
 */
ChartsmithTracker.create = function() {

};
/*
 * Track Send request to an image
 * bind page information within the request param
 */
ChartsmithTracker.send = function() {
        /*
         * Send Track function (by send image with Get param) as soon as page load
         */
        sendTrackData();
        
        var temp_cookie = docCookies.getItem('_chartsmith_t') || '';
        var perm_cookie = docCookies.getItem('_chartsmith_p') || '';
        /*
         * Process tracking identity
         */
        var newScript = document.createElement('script'),
            firstScript = document.getElementsByTagName('script')[0];
        newScript.async = 1;
        var newScriptUrl = 'https://www.oneday.com.hk/ti/?q=66ac1be627c9aeb3fdb00a0a14630052dcdad517aec00a88d4682a19058e9966';
        newScriptUrl += newScriptUrl.indexOf('?') > -1 ? '&' : '?';
        //Add url
        newScriptUrl += 'url=' + encodeURIComponent(location.href);
	var path = location.href;
        //Add temp cookie and perm cookie params to url
        newScriptUrl += '&_chartsmith_p=' + perm_cookie;
        newScriptUrl += '&_chartsmith_t=' + temp_cookie;
        newScript.src = newScriptUrl;
        firstScript.parentNode.insertBefore(newScript, firstScript);
	
	/*
         * Get page information
         */
        //Set url
	var path = location.href;
        
        //Set User Agent
	var useragent = navigator.userAgent;
	   
        //Send the request when trigger unload event
        EventUtil.addHandler(window, "beforeunload", function (event) {
            event = EventUtil.getEvent(event);
            /*
             * Store Track data before the web page unlaod, bind the data with window.name 
             */
            storeTrackData();
        });
        
        /*
         * Store Track data before the web page unlaod, bind the data with window.name 
         */
        function storeTrackData() {
            /*
             * Check to see if set cookie
             * For support anonymous person, permanent cookie dont't require any more
             */
            var temp_cookie = docCookies.getItem('_chartsmith_t') || '';
            var perm_cookie = docCookies.getItem('_chartsmith_p') || '';
            if(temp_cookie) {
                //Caculate duration
                var duration = new Date().getTime() - ChartsmithTracker.clientObj.l;
                duration = parseInt(duration / 1000, 10);

                var trackData = '';
                trackData += '_chartsmith_p=' + perm_cookie;
                trackData += '&_chartsmith_t=' + temp_cookie;    
                trackData += '&url='+encodeURIComponent(path);
                trackData += '&useragent=' + useragent;
                trackData += '&duration=' + duration;
                
                // save trackData to cookie
                docCookies.setItem('_chartsmith_d', trackData, null, '/');
                
            }
            
        } 
        
        /*
         * Send Track function (by send image with Get param)
         */
        function sendTrackData() {
        
            /*
             * Check to see if set track data cookie, track data cookie include the information of previous page activity
             */
            
            var prevTrackData = docCookies.getItem('_chartsmith_d');
            if(prevTrackData) {
                var collect_url = '//www.oneday.com.hk/r/response/core/track/webvisit/?q=66ac1be627c9aeb3fdb00a0a14630052dcdad517aec00a88d4682a19058e9966';
                var image = new Image();
                image.src = collect_url + '&' + prevTrackData;
            } 

        }
        

};

/*
 * Get page statistics 
 */
ChartsmithTracker.pageStats = function() {
    var param = arguments[0];
    if(!param) {
        console.error("No any arguments");
        return false;
    }
    if(!param[0]) {
        console.error("No first argument");
        return false;
    }
    if(!param[1]) {
        console.log("No second argument");
        return false;
    }
    var item = param[0];
    var callback = param[1];
    var url = "//www.oneday.com.hk/r/response/core/track/pageAPI/?q=66ac1be627c9aeb3fdb00a0a14630052dcdad517aec00a88d4682a19058e9966";
    url += '&item=' + item;
    url += '&url=' + encodeURIComponent(location.href);

    //define the callback function
    //the function will be executed after page stats script loaded
    var Chartsmith = ChartsmithTracker.clientObj;
    Chartsmith.pageStats = Chartsmith.pageStats || {};
    Chartsmith.pageStats[item] = Chartsmith.pageStats[item] || {};
    Chartsmith.pageStats[item].callback = function(response) {
        if(response.num) {
            Chartsmith.pageStats[item].data = response;
            callback(response);
        } else {
            Chartsmith.pageStats[item].data = false;
            callback(false);
        }
    };
    
    DomUtil.addScript(url, "ChartsmithTracker.clientObj.pageStats."+ item +".callback");
};

/*
 * Execute client request
 */
ChartsmithTracker.execute = function() {
    if(typeof window.ChartsmithTrackerObj != 'undefined') {
            var clientObj = eval(window.ChartsmithTrackerObj);
            ChartsmithTracker.clientObj = clientObj;

            for(var i=0,len=clientObj.q.length;i<len;i++) {
                    var func_name = clientObj.q[i][0];
                    var func_args = [];
                    for(var j=0,arg_len=clientObj.q[i].length;j<arg_len;j++) {
                            if(j>0) func_args.push(clientObj.q[i][j]);
                    }
                    if(typeof ChartsmithTracker[func_name] != 'undefined')
                            ChartsmithTracker[func_name](func_args);
            }

    }  
} 
        
ChartsmithTracker.execute();