// KidZui, namespace for awesomeness
//
//    * requires jquery (1.4+), jquery.cookies.js
//
var KidZui = function() {
  var self = this;
  var downloadBaseURL = "http://downloads.kidzui.com/installer";

  function queryStringParam(name){
    var results = new RegExp('[\\?&]' + name + '=([^&#]*)').exec(window.location.href);
    if (!results) {
      return null;
    }
    return results[1];
  }

  return {
    downloadURL: function() {
      return downloadBaseURL + "?" + KidZui.Tracking.toQueryString();
    },

    download: function() {
      if(_gaq) {
        _gaq.push(['_trackEvent', 'Installer Download', 'Initiate']);
      }

      // If we have IE, use a new window to push the download.
      // We have to do this because other methods did not work in IE.
      if (navigator.appVersion.indexOf('MSIE') != -1) {
        // start the download
        window.open(downloadBaseURL + "?" + KidZui.Tracking.toQueryString(), 'download_window', 'toolbar=0,location=no,directories=0,status=0,scrollbars=0,resizeable=0,width=1,height=1,top=0,left=0');
        window.focus();
      }
    },

    // KidZui Tracking object allows us to keep track of a user's GA
    // campaign tracking variables: campaign, source, medium, term and content.
    //
    Tracking: function() {
      var cookieName = "__kzt";

      function cookieValueByName(name) {
        var results = new RegExp('&?' + name + '=([^&]*)').exec(jQuery.cookie(cookieName));
        if (!results) {
          return null;
        }
        return results[1];
      }

      return {
        initialize: function() {
          // If cookie does not exist, create cookie with GA tracking variables
          if(jQuery.cookie(cookieName) == null) {
            var trackingComponents = [];
          
            var campaign = queryStringParam('utm_campaign');
            if(campaign) {
              trackingComponents.push("campaign="+campaign);
            }

            var source = queryStringParam('utm_source');
            if(source) {
              trackingComponents.push("source="+source);
            }

            var content = queryStringParam('utm_content');
            if(content) {
              trackingComponents.push("content="+content);
            }

            var medium = queryStringParam('utm_medium');
            if(medium) {
              trackingComponents.push("medium="+medium);
            }

            var term = queryStringParam('utm_term');
            if(term) {
              trackingComponents.push("term="+term);
            }

            jQuery.cookie(cookieName, trackingComponents.join("&"));
          }
        },

        toQueryString: function() {
          return jQuery.cookie(cookieName);
        },

        campaign: function() {
          return cookieValueByName('campaign');
        },
        source: function() {
          return cookieValueByName('source');
        },
        medium: function() {
          return cookieValueByName('medium');
        },
        content: function() {
          return cookieValueByName('content');
        },
        term: function() {
          return cookieValueByName('term');
        }
      };
    }()
  };
}();


//
// QuirksMode BrowserDetect
//
var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{
			string: navigator.userAgent,
			subString: "Chrome",
			identity: "Chrome"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari",
			versionSearch: "Version"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			   string: navigator.userAgent,
			   subString: "iPhone",
			   identity: "iPhone/iPod"
	    },
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();


//
// onReady Events
//

jQuery(document).ready(function($) {
  // Prepare all facebox links if facebox is loaded
  if(jQuery.facebox) {
    $('a[rel*=facebox]').facebox();
  }

  // Intialize KidZui tracking information
  KidZui.Tracking.initialize();
});