var qintv_ms = 5000;
var uripart = "/updates?";
//var lastfrom = "";
var lastfrom = "from="+(new Date(Date.now() - 600000)).toISOString();
var possible_display_functions = {"Off":"none", "Value":showvalue, "Gauge":showgauge, "Graph":showasgraph};
var stuff_to_display = {"clients":"none","*":showvalue,"client-count":showasgraph, "bytes-sent":showasgraph, "fuckups-per-second":showasgraph};
var sidseen = [];


$(document).ready(function()
{
  updateS5Stats();
  setInterval("updateS5Stats()", qintv_ms);
});

function getstreamdiv(sid) {
	var elem = $("#"+sid);
	if (elem.length<1) {
		$("#content").append('<div class="container" id="'+sid+'jump"><main><h2 class="dispstreamheader">Stream: '+sid+'</h2><ul id="'+sid+'" class="controls"></ul></main></div>');
		$("#menu").append('<a href="#'+sid+'jump">'+sid+'</a>&nbsp;');
		elem = $("#"+sid);
	}
	return elem;
}

function killvalue(name, nosetselect) {
	stuff_to_display[name]="none";
	$.each(sidseen,function(index,sid){ $("#li-"+sid+"_"+name).remove() });
    if (nosetselect != 1) {
        document.getElementById("opts-"+name).selectedIndex=0;
    }
}

function showvalue(sid, name, value, jsdate) {
	var divid = sid+"_"+name;
	var elem = $("#"+divid);
	if (elem.length<1) {
		getstreamdiv(sid).append('<li class="dispvalue size1" id="li-'+divid+'""><div class="dispvalueheader">'+ name +'</div><input type="button" class="dispvalueheaderafter" value="X" onClick="killvalue(\''+name+'\');"></input><div class="dispvaluevalue" id='+divid+'></div></li>');
		elem = $("#"+divid);
	}
	elem.html("<strong>"+value+"</strong><br/><span style='font-size:smaller;'>@"+jsdate.toLocaleDateString()+" "+jsdate.toLocaleTimeString()+"</span>");
}

var gauges = {};
function showgauge(sid, name, value) {
	var divid = sid+"_"+name;
	var elem = document.getElementById(divid);
	if (!elem) {
		getstreamdiv(sid).append('<li class="dispvalue quadsize" id="li-'+divid+'""><div class="dispvalueheader">'+ name +'</div><input type="button" class="dispvalueheaderafter" value="X" onClick="killvalue(\''+name+'\');"></input><div class="dispvaluevalue" id='+divid+'></div></li>');
		elem = document.getElementById(divid);
		gauges[divid] = new google.visualization.Gauge(elem);
	}
	var data = google.visualization.arrayToDataTable([["Label", "Value"],[name,value]]);
	gauges[divid].draw(data, {});
}

var graphs = {}
var graphdata = {}
function showasgraph(sid, name, value, jsdate) {
	var divid = sid+"_"+name;
	var elem = document.getElementById(divid);
	if (!elem) {
		getstreamdiv(sid).append('<li class="dispvalue graphsize" id="li-'+divid+'""><div class="dispvalueheader">'+ name +'</div><input type="button" class="dispvalueheaderafter" value="X" onClick="killvalue(\''+name+'\');"></input><div class="dispvaluevalue" id='+divid+'></div></li>');
		elem = document.getElementById(divid);
		graphdata[divid]=[];
		graphs[divid] = new Dygraph(elem,graphdata[divid],{legend:'none',title:sid+"-"+name,labels:["Date/Time",name]});
	}
    graphdata[divid].push([jsdate,value]);
    graphs[divid].updateOptions({'file':graphdata[divid]});
}

function showasetting(name) {
    var setid = "opts-"+name;
    if (! document.getElementById(setid)) {
        var sts = $('<select/>').attr('id',setid).attr('onchange',"changeSetting('"+name+"',this);");
        $.each(possible_display_functions, function(key, value) {
             var stsopt = $("<option/>").text(key);
            if (stuff_to_display[name] == value) {
                stsopt.attr("selected","true");
            }
            sts.append(stsopt);
        });
        var stsdiv=$("<div>"+name+":</div>");
        stsdiv.append(sts);
        $("#settings").append(stsdiv);
    }
}

function changeSetting(name, selobj) {
    var newdispfunc = possible_display_functions[selobj.options[selobj.selectedIndex].text];
    if (newdispfunc) {
        killvalue(name, 1);
        stuff_to_display[name]=newdispfunc;
    }
}

function graphS5Status(data) {
	sidseen=[];
	$.each(data['data'], function(index, stream) {
		var sid = stream["streamer-id"].format + '-' + stream["streamer-id"].quality;
		sidseen.push(sid);
		lastfrom = "from="+stream["start-time"];
		var jsdate = new Date(stream["start-time"]);
		qintv_ms = stream["duration-ms"]; //doesnt really change anything yet
        jsdate = new Date(jsdate.getTime() + qintv_ms);
		var data = stream.data;
		for (var key in data) {
            showasetting(key);
			if (typeof(stuff_to_display[key]) == 'function') {
				stuff_to_display[key](sid, key, data[key], jsdate);
			} else if (! stuff_to_display[key]) {
				stuff_to_display['*'](sid, key, data[key], jsdate);
			}
		}
	});
}

function updateS5Stats() {
	var uri = uripart + lastfrom;
	//$.getJSON(uri, "", function(data){alert(data);});
	$.ajax({
	dataType: "json",
	url: uri,
	data: undefined,
	success: graphS5Status, //function(data){alert(data);},
	error: function( jqxhr, textStatus, error ) {
		var err = textStatus + ", " + error;
		console.log( "Request Failed: " + err );}
	});
}