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

: << =cut

=head1 NAME

433mhz - Plugin to capture readings from wireless sensors via serial

=head1 NOTES

=head1 AUTHOR

Contributed by Florian Klemenz

=head1 LICENSE

GPLv2

=head1 MAGIC MARKERS

 #%# family=auto
 #%# capabilities=autoconf

=cut

. $MUNIN_LIBDIR/plugins/plugin.sh

if [ "$1" = "autoconf" ]; then
        echo yes
        exit 0
fi

if [ "$1" = "config" ]; then

        echo 'graph_title Wireless temperature sensor readings'
        echo 'graph_args --base 1 -l 0 '
        echo 'graph_scale no'
        echo 'graph_vlabel °C'
        echo 'graph_category temperature'
        echo 'temp.label Vorratskammer'
        echo 'temp.draw LINE'
        print_warning temp
        print_critical temp
        exit 0
fi


CMD="for f in $(find -L /sys/bus/w1/devices/ -maxdepth 2 -name temperature); do s=${f%/*}; s=${s##*-}; v=$(cat $f); echo "${s} ${v}"; done"

IFS=$'\n'
SENSORS=( $(eval $CMD) )

echo $SENSORS

IFS=' '
for ROW in "${SENSORS[@]}"; do
    ENTRY=( $ROW )
    SENSOR=${ENTRY[0]}
    VALUE=${ENTRY[1]}

        # Overrides SENSOR - Example: env.sensor_0_0 Batterie
        ENV_SENSOR_VAR_NAME="alias_${SENSOR}"
        ENV_SENSOR_NAME=${!ENV_SENSOR_VAR_NAME}

        if [ -n "${ENV_SENSOR_NAME}" ]; then
		    echo "${ENV_SENSOR_NAME}.value ${VALUE}"
        else
    		    echo "${SENSOR}.value ${VALUE}"
        fi
done


#echo "Vorratskammer.value $TEMP"