Next medal / level estimation

graph

@@ -411,7 +411,15 @@ else
 			AREA:arealvl15#$L15color
 			AREA:arealvl16#$L16color
 		)
-	else
+		next=(
+			CDEF:next=data,POP,last,${lvl[2]},LT,${lvl[2]},last,${lvl[3]},LT,${lvl[3]},last,${lvl[4]},LT,${lvl[4]},last,${lvl[5]},LT,${lvl[5]},last,${lvl[6]},LT,${lvl[6]},last,${lvl[7]},LT,${lvl[7]},last,${lvl[8]},LT,${lvl[8]},last,${lvl[9]},LT,${lvl[9]},last,${lvl[10]},LT,${lvl[10]},last,${lvl[11]},LT,${lvl[11]},last,${lvl[12]},LT,${lvl[12]},last,${lvl[13]},LT,${lvl[13]},last,${lvl[14]},LT,${lvl[14]},last,${lvl[15]},LT,${lvl[15]},last,${lvl[16]},LT,${lvl[16]},UNKN,IF,IF,IF,IF,IF,IF,IF,IF,IF,IF,IF,IF,IF,IF,IF
+			CDEF:nextcross=pred,next,GE,pred,UNKN,IF
+			VDEF:nexttime=nextcross,FIRST
+			'GPRINT:next:LAST:\tnext %6.2lf%s'
+			'GPRINT:nexttime:(%Y-%m-%d)\n:strftime'
+		)
+	elif (( bronze["$graph"] ))
+	then
 		thresholds=(
 			COMMENT:'Medals\:'
 			HRULE:${bronze["$graph"]}#A02020:${bronze["$graph"]}
@@ -444,18 +452,33 @@ else
 			AREA:areaplatinum#505050
 			AREA:areablack#101010
 		)
+		next=(
+			CDEF:next=data,POP,last,${bronze["$graph"]},LT,${bronze["$graph"]},last,${silver["$graph"]},LT,${silver["$graph"]},last,${gold["$graph"]},LT,${gold["$graph"]},last,${platinum["$graph"]},LT,${platinum["$graph"]},last,${black["$graph"]},LT,${black["$graph"]},UNKN,IF,IF,IF,IF,IF
+			CDEF:nextcross=pred,next,GE,pred,UNKN,IF
+			VDEF:nexttime=nextcross,FIRST
+			'GPRINT:next:LAST:\tnext %6.2lf%s'
+			'GPRINT:nexttime:(%Y-%m-%d)\n:strftime'
+		)
+	else
+		thresholds=()
+		draw=()
+		next=('COMMENT:\n')
 	fi
 
 	(( start > -1209600 )) && datastart=-1209600
+	(( end < 157680001 )) && dataend="+157680001"
 	(( start > 0 )) && start="+$start"
 	(( end > 0 )) && end="+$end"
+	(( datastart > 0 )) && datastart="+$datastart"
+
 	rrdtool graph - 					\
 		-a PNG 						\
 		-w $graph_width					\
 		-v $graph					\
 		-s $start -e $end				\
-		DEF:data=$rrdfile:$graph:AVERAGE:step=3600${datastart+:start=$datastart}	\
+		DEF:data=$rrdfile:$graph:AVERAGE:step=3600${datastart+:start=$datastart}${dataend+:end=$dataend}	\
 		DEF:fail=$rrdfile:$graph:FAILURES		\
+		VDEF:last=data,LAST				\
 		VDEF:intercept=data,LSLINT			\
 		VDEF:growth=data,LSLSLOPE			\
 		CDEF:trend=data,POP,COUNT,growth,*,intercept,+	\
@@ -466,7 +489,6 @@ else
 		TICK:fail#ffffa0:1.0				\
 		VRULE:$now#000000				\
 		'GPRINT:data:MIN:min %6.2lf%S'			\
-		'GPRINT:data:AVERAGE:\tavg %6.2lf%S'		\
 		'GPRINT:data:MAX:\tmax %6.2lf%S'		\
-		'GPRINT:growth:\tgrowth %6.2lf%s/h\n'
+		"${next[@]}"
 fi