#!/bin/bash

# Path to your fastcgi_cache (optional).
#CACHE_DIR=/var/www/ingRRD/cache

## FIXME change this according to your URLs:
#
# /$user/add.html
#IFS=/ read garbage webuser garbage <<<"$REQUEST_URI"
# /cgi/$user/add.html
IFS=/ read garbage garbage webuser garbage <<<"$REQUEST_URI"

cat <<-EOHead
	Content-type: text/plain
	Last-Modified: $(LC_ALL=C TZ=GMT date +'%a, %d %b %Y %X %Z')
	Expires: $(LC_ALL=C TZ=GMT date +'%a, %d %b %Y %X %Z')
	refresh: 0,url=/cgi/$webuser/

EOHead

if [[ $webuser == $AUTH_USER || $webuser == dev ]]
then
	echo "Welcome agent $webuser"$'!\n\n'
else
	echo 'Nice try!'
	exit
fi
declare -A POST
exprdsname='^[[:upper:][:lower:]_]+$'
exprvalue='^[[:digit:]]+$'
while read dsname value
do
	if [[ $dsname =~ $exprdsname ]]	\
	&& [[ $value =~ $exprvalue ]]
	then
		POST["$dsname"]="$value"
	fi
done < <(
	sed 's/&/\n/g;s/=/ /g'
)

dsnames=(
	AP
	Explorer
	Seer
	XM
	Hacker
	Builder
	Connector
	Mind_Controller
	MU
	Longest_Link
	Largest_Field
	Recharger
	Liberator
	Pioneer
	Purifier
	Neutralized
	Links_Destroyed
	Fields_Destroyed
	Walked
	Guardian
	Link_Maintained
	Link_Length_x_Days
	Field_Held
	Field_x_Days
)
data=N
for dsname in "${dsnames[@]}"
do
	data+=:${POST["$dsname"]}
	echo "$dsname....${POST["$dsname"]}"
done
rrdtool update ingress.rrd "$data"

if [ -n "$CACHE_DIR" ]
then
	find "$CACHE_DIR" -type f -delete
	echo $'\nCache cleared!'
fi