#!/bin/sh

BILLDAY="22"
OUTDIR="/mnt/lan/www/jsmoriss/htdocs/ipac/last-month"

YEAR=`date '+%Y'`
MONTH=`date '+%m'`
DAY=`date '+%d'`

if [ "$DAY" -ge "$BILLDAY" ]
then
	ENDYEAR="$YEAR"
	ENDMONTH="$MONTH"
else
	if [ "$MONTH" -eq "01" ]
	then
		ENDYEAR=`echo $YEAR|awk '{ printf("%02d", $0 - 01) }'`
		ENDMONTH="12"
	else
		ENDYEAR="$YEAR"
		ENDMONTH=`echo $MONTH|awk '{ printf("%02d", $0 - 01) }'`
	fi
fi

ENDDAY=`echo $BILLDAY|awk '{ printf("%02d", $0 - 01) }'`

if [ "$ENDMONTH" -eq "01" ]
then
	STARTYEAR=`echo $ENDYEAR|awk '{ printf("%02d", $0 - 01) }'`
	STARTMONTH="12"
else
	STARTYEAR="$YEAR"
	STARTMONTH=`echo $ENDMONTH|awk '{ printf("%02d", $0 - 01) }'`
fi

STARTDAY="$BILLDAY"

[ -d "$OUTDIR" ] && /opt/ipac/bin/ipacsum --png "$OUTDIR" --png-no-average --png-total --png-caption-in-index --png-width 990 --png-height 125 --starttime "${STARTYEAR}${STARTMONTH}${STARTDAY}000000" --endtime "${ENDYEAR}${ENDMONTH}${ENDDAY}235959"