#!/bin/sh /etc/rc.common
START=79

boot() {
	### prepare publisher
	if ! uci get lucid.rrdimg >/dev/null 2>/dev/null; then
		uci batch <<-EOF
set lucid.rrdimg=DirectoryPublisher
set lucid.rrdimg.name='Statistics Images'
set lucid.rrdimg.physical=/tmp/rrdimg
set lucid.rrdimg.virtual=/rrdimg
set lucid.rrdimg.domain=''

add_list lucid.http.publisher=rrdimg
add_list lucid.https.publisher=rrdimg	

commit lucid
EOF
		/etc/init.d/lucid restart
	fi

	start
}

start() {
	### replace shipped config with symlink
	if [ ! -L /etc/collectd.conf ]; then
		test -f /etc/collectd.conf && mv /etc/collectd.conf /etc/collectd.conf.bak
		ln -s /var/etc/collectd.conf /etc/collectd.conf
	fi

	### create config
	mkdir -p /var/etc
	/usr/bin/stat-genconfig > /var/etc/collectd.conf

	### prepare rrdimg directory
	if [ "$(uci get luci_statistics.rrdtool.image_path 2>/dev/null)" != "$(uci get lucid.rrdimg.physical 2>/dev/null)" ]; then
		uci set lucid.rrdimg.physical=$(uci get luci_statistics.rrdtool.image_path)
		uci commit lucid
		/etc/init.d/lucid restart
	fi

	### flush LuCI index cache
	test -f /var/luci-indexcache && rm /var/luci-indexcache

	### workaround broken permissions on /tmp
	chmod 1777 /tmp
}

restart() {
	### regenerate config / prepare environment
	start

	### restart collectd
	/etc/init.d/collectd restart
}