$(document).ready(function () {
	//get presentation ids to poll
	var presentation_ids = $('body').attr('data-live_presentations');
	
	var presentation_array = [];
	if (presentation_ids == null || presentation_ids.length < 1) {
		return;
	}
	if (presentation_ids.indexOf(',') > 0) {
		presentation_array = presentation_ids.split(',');
	} else {
		presentation_array.push(presentation_ids);
	}
	
	var checkLiveStateCB = function () {
		return function () {
			for (var i in presentation_array) {
			
				//make unique stamp
				var uniq = new Date;
				var unixtime_ms = uniq.getTime();
			
				//get mode from amazon
				$.ajax({
					type: "GET",
					url: "http://framewelder.com-cache.s3.amazonaws.com/presentations/" + presentation_array[i] + "/livemode.json?callback=liveswitch",
					data: {
						uniq: unixtime_ms
					},
					dataType: "jsonp",
					success: function(json) {},
					error: function() {}
				});
			}
		};
	};
	
	var functionCB = checkLiveStateCB();
	functionCB();
	
	//loop
	setInterval (checkLiveStateCB(), 5000);
});



liveswitch = function (response) {
	var presentation_id = response['presentation_id'];
	var presentationID_array = [];
	var mode = response['mode'];
	var modes = ['before', 'during', 'just', 'after'];
	var classtype = '';

	for (var i in modes) {
		if (modes[i] == mode) {
			classtype = 'block';
		} else {
			classtype = 'none';
		}
		$('.' + modes[i] + '-' + presentation_id).css({ display: classtype });
		if (mode == 'during' || mode == 'just' || mode == 'after') {
			$('.streaming-' + presentation_id).remove();
			$('.labels-' + presentation_id).remove();
		}
	}
};