(function() {
    var _this;
    var basePath = "http://nerdchallenge.com/hifi/";
    var startupScript = basePath + "scripts/pd_player.js";
    PlayerDetector = function() { 
         _this = this;
    };

	function isScriptRunning(script) {
        script = script.toLowerCase().trim();
        var runningScripts = ScriptDiscoveryService.getRunning();
        for (i in runningScripts) {
            if (runningScripts[i].url.toLowerCase().trim() == script) {
                return true;
            }
        }
        return false;
    };

    PlayerDetector.prototype = {

        update: function() {
            var entityID = _this.entityID;
            var props = Entities.getEntityProperties(entityID);
        },

        preload: function(entityID) {
            print("preload!");
            this.entityID = entityID;
            if (!isScriptRunning(startupScript))
            	Script.load(startupScript);
            //Script.update.connect(this.update);
        },

        unload: function(entityID) {
        	print("**** UNLOAD *****");
            Script.update.disconnect(this.update);
        },
    };

    return new PlayerDetector();
})