#!/bin/sh
# -*- sh -*-

: << =cut

=head1 NAME

 heatpump-dimplex-wpm - Munin plugin to display Diplex heatpump data

 Tested with Dimplex NWPM, BIOS 4.1, BOOT 4.03, SOFTWARE: WPM_H_H54

=head1 CONFIGURATION

 You need to configure the hostname in the plugin name.

 Symlink heatpump-dimplex-wpm_ as "heatpump-dimplex-wpm_192.168.20.71".

=head2 EXAMPLE CONFIGURATION

 [heatpump-dimplex-wpm_*]
  env.host_name Heating

=head1 DEPENDENCIES

 - curl
 - xsltproc

=head1 AUTHOR

 Christian Weiske <cweiske@cweiske.de>

=head1 LICENSE

 AGPL
 http://www.gnu.org/licenses/agpl.html

=head1 MAGIC MARKERS

 #%# family=manual

=cut

. ${MUNIN_LIBDIR:=/usr/share/munin}/plugins/plugin.sh

host=`echo ${0##*/}|sed 's/^.*_//g'`


if [ "$1" = "config" ]; then
    if [ "$host_name" != "" ]; then
        echo "host_name $host_name"
    fi

    #Outdoor temperature
    echo 'multigraph heatpump_dimplex_wpm_outtemp'
    echo 'graph_title Außentemperatur'
    echo 'graph_args --base 1000'
    echo 'graph_vlabel °C'
    echo 'graph_info Zeigt die gemessene Außentemperatur an'
    echo 'graph_scale no'
    echo 'graph_category sensors'

    echo 'outtemp.label Außentemperatur'

    #Heating temperatures
    echo 'multigraph heatpump_dimplex_wpm_heating'
    echo 'graph_title Heizungstemperaturen'
    echo 'graph_args --base 1000'
    echo 'graph_vlabel °C'
    echo 'graph_info Zeigt Heizungstemperatur-Betriebsdaten an'
    echo 'graph_scale no'
    echo 'graph_category sensors'

    echo 'returntargettemp.label Rücklaufsolltemperatur'
    echo 'returntemp.label Rücklauftemperatur'
    echo 'influxtemp.label Vorlauftemperatur'

    #Water temperature
    echo 'multigraph heatpump_dimplex_wpm_water'
    echo 'graph_title Warmwasser'
    echo 'graph_args --base 1000'
    echo 'graph_vlabel °C'
    echo 'graph_info Zeigt Warmwasser-Betriebsdaten an'
    echo 'graph_scale no'
    echo 'graph_category sensors'

    echo 'watertargettemp.label Solltemperatur'
    echo 'watertemp.label Warmwassertemperatur'


    #On/off states
    echo 'multigraph heatpump_dimplex_wpm_states'
    echo 'graph_title Stati'
    echo 'graph_args --base 1000'
    echo 'graph_vlabel An/Aus'
    echo 'graph_info Zeigt binäre Daten an'
    echo 'graph_scale no'
    echo 'graph_category sensors'

    echo 'reqheating.label Anforderung Heizung'
    echo 'reqwater.label Anforderung Warmwasser'

    exit 0
fi

xml=`curl -fs "http://$host/usr-cgi/xml.cgi?A|1|125|D|1|150|I|1|100"`; ret=$?
if [ "$ret" -ne 0 ]; then
    echo "Error fetching data from heatpump server: $host"
    exit 1
fi

path="`dirname "$0"`"
data=`echo "$xml" | xsltproc "$path/paths.xsl" -`; ret=$?
if [ "$ret" -ne 0 ]; then
    echo "Error running xsltproc"
    exit 2
fi

#Outdoor temperature
echo 'multigraph heatpump_dimplex_wpm_outtemp'
echo outtemp.value `echo "$data" | grep ANALOG/27 | cut -d" " -f2`

#Heating temperatures
echo 'multigraph heatpump_dimplex_wpm_heating'
echo returntargettemp.value `echo "$data" | grep ANALOG/28 | cut -d" " -f2`
echo returntemp.value `echo "$data" | grep ANALOG/29 | cut -d" " -f2`
echo influxtemp.value `echo "$data" | grep ANALOG/31 | cut -d" " -f2`

#Water temperatures
echo 'multigraph heatpump_dimplex_wpm_water'
echo watertargettemp.value `echo "$data" | grep ANALOG/40 | cut -d" " -f2`
echo watertemp.value `echo "$data" | grep ANALOG/30 | cut -d" " -f2`

#On/off states
echo 'multigraph heatpump_dimplex_wpm_states'
echo reqheating.value `echo "$data" | grep DIGITAL/136 | cut -d" " -f2`
water=`echo "$data" | grep DIGITAL/140 | cut -d" " -f2`
echo reqwater.value `echo $(($water * 2))`