function AutoRefreshModule(layers)
{
    // Properties
    var layers = layers;

    var refreshSettings = JSON.parse('{"refreshGroups":[{"layerList":[99,111],"refreshTimeSeconds":10},{"layerList":[32,47,64,78,101,109,110,112,116,117],"refreshTimeSeconds":50},{"layerList":[41,42,169],"refreshTimeSeconds":120}]}');

    // Public methods
    this.bootModule = bootModule;
    
    var self = this;

    // -- IMPLEMENTATION -- ///////////////////

    function bootModule() {

        for (var i = 0; i < refreshSettings.refreshGroups.length; i++) {
            bootIntervals(refreshSettings.refreshGroups[i].layerList, refreshSettings.refreshGroups[i].refreshTimeSeconds);
        }
    
    }

    function bootIntervals(layerList, refreshTime) {
        
        window.setInterval(function () {
            for (var i = 0; i < layers.length; i++) {
                var layer = layers[i];
                if (layerList.indexOf(layer.id) > -1 && layer.is_loaded) {
                    layer.service.hide();
                    layer.service.show();
                }
            }
        }, refreshTime * 1000);
    }
    
}

// Self invokable boot function
(function(){

    var autoRefreshIntervalCounter = 0;

    // boot timer waits for layers to be available to inject changes into the interface
    // timer will kill itself if no layers are available after 5 seconds
    var autoRefreshInterval = setInterval(function() {

        if(document.readyState === 'complete') {
            
            if (main !== undefined && main.layers !== undefined && main.layers.list !== undefined) {

                clearInterval(autoRefreshInterval);
                
                main.autoRefreshModule = new AutoRefreshModule(main.layers.list);
                main.autoRefreshModule.bootModule();

                return;
            }

        } else {
            autoRefreshIntervalCounter++;
        }

        if (autoRefreshIntervalCounter == 50) {
            clearInterval(autoRefreshInterval);
        }

    }, 100);

})();