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

: << =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

# DATA TYPE IDs
#define TYPE_TEMPERATURE 	1
#define TYPE_HUMIDITY 		2
#define TYPE_VOLTAGE 		3
TYPES=( none tmp hmd vlt )

CMD="arduino | tail -n +2"

IFS=$'\n'
SENSORS=( $(eval $CMD) )
#declare -p SENSORS

IFS=' '
for ROW in "${SENSORS[@]}"; do
    ENTRY=( $ROW )
    NODE=${ENTRY[0]}
    SENSOR=${ENTRY[1]}
    VALUE=${ENTRY[2]}
    TYPE=${ENTRY[3]}
    TTL=$(echo "${ENTRY[4]}" | tr -d '[:space:]')

    if [ "$TTL" != "0" ] || [ ${ignore_ttl} ]; then
        # Overrides NODE - Example: env.node_0 Wohnzimmer
        ENV_NODE_VAR_NAME="node_${NODE}"
        ENV_NODE_NAME=${!ENV_NODE_VAR_NAME}
        
        # Overrides SENSOR - Example: env.sensor_0_0 Batterie
        ENV_SENSOR_VAR_NAME="sensor_${NODE}_${SENSOR}"
        ENV_SENSOR_NAME=${!ENV_SENSOR_VAR_NAME}

        if [ -n "${ENV_SENSOR_NAME}" ]; then
		    echo "${ENV_NODE_NAME:-$NODE}_${SENSOR}_${ENV_SENSOR_NAME}.value ${VALUE}"
        else
            # Overrides TYPE - Example: env.type_1 Batterie
            ENV_TYPE_VAR_NAME="type_${TYPE}"
            ENV_TYPE_NAME=${!ENV_TYPE_VAR_NAME}

            if [ -n "${ENV_TYPE_NAME}" ]; then
    		    echo "${ENV_NODE_NAME:-$NODE}_${SENSOR}_${ENV_TYPE_NAME}.value ${VALUE}"
            else
    		    echo "${ENV_NODE_NAME:-$NODE}_${SENSOR}_${TYPES[$TYPE]}.value ${VALUE}"
            fi

        fi

		#echo "${ENV_NODE_NAME:-$NODE}_${ENV_SENSOR_NAME:-$SENSOR}_${TYPES[$TYPE]}.value ${VALUE}"
    fi
done


#echo "Vorratskammer.value $TEMP"