#!/bin/bash
source ~/.mysql-grafana.conf


PLUGINS="1wire 433mhz ina219"
#PLUGINS="433mhz"

# https://stackoverflow.com/a/1482133
SCRIPT_PATH=$(dirname -- "$( readlink -f -- "$0"; )";)


SOURCE=$(hostname -s)
for PLUGIN in ${PLUGINS}; do
  echo "Processing ${PLUGIN}..."
  
  PLUGIN_ENV="MUNIN_LIBDIR="${SCRIPT_PATH}""
  PLUGIN_CONF="${SCRIPT_PATH}/conf.d/${PLUGIN}"
  if [ -f ${PLUGIN_CONF} ]; then
    while IFS="" read -r p || [ -n "$p" ]
    do
      #printf '%s\n' "$p"
      if [[ $p == env.* ]]; then 
        PARAM=${p##env.} # Match longest pattern from front -> everthing after the starting 'env.' 
        PARAM=${PARAM%% *} # Match longest pattern from back -> everything before the first ' '
        VALUE=${p#* } # Match shortest pattern from front -> everything after the first ' '
        PLUGIN_ENV+=" ${PARAM}=${VALUE}"
      fi
    done < ${PLUGIN_CONF}
    echo "${PLUGIN_ENV}"
  fi

  DATA=$(env -i ${PLUGIN_ENV} plugins/${PLUGIN})
  
  echo "-----------------"
  echo "$DATA"
  echo "-----------------"

  TABLE_NAME="home_${PLUGIN}" # default

  

  IFS=$'\n'; for LINE in ${DATA}; do
    # parse data and insert to database
    #echo $LINE

    SQL=$(echo $LINE | sed -E "s/(.*)\.(.*) (.*)/INSERT INTO ${TABLE_NAME} (source, metric, value) VALUES (\"${SOURCE}\",\"\1\", \"\3\");/")
    #echo $SQL
    echo $SQL | mysql --host="192.168.0.12" --database="${DATABASE}" --user="${USER}" --password="${PASSWORD}"
  done # LINE 

done # PLUGINS