#!/bin/bash
# calling the script with "test" parameter will display the values on screen instead of sending to VZ

export PATH=/usr/bin:/bin
echo "Can_Logger starting on `date`"

CANDUMPER="candump can0"

CANDUMP_IN[1]="200"
HUMAN_INFO[1]="Vorlauf Max"
VZ_UUIDFOR[1]="80089ae0-fa81-11e9-bdc6-b99d5fa0fe8b"
CANDUMP_IN[2]="252"
HUMAN_INFO[2]="Vorlauf Soll"
VZ_UUIDFOR[2]="af1863e0-fa81-11e9-8d30-337b7499db8e"
CANDUMP_IN[3]="201"
HUMAN_INFO[3]="Vorlauf Ist"
VZ_UUIDFOR[3]="cbf99f10-fa81-11e9-9709-d55e7ad0883e"
CANDUMP_IN[4]="203"
HUMAN_INFO[4]="Warmwasser Ist"
VZ_UUIDFOR[4]="521a0ca0-fa8d-11e9-970f-752aababd342"
CANDUMP_IN[5]="20A"
HUMAN_INFO[5]="Heizung Ein"
VZ_UUIDFOR[5]="a5958bf0-fa8f-11e9-bf34-4f7c2163b201"
CANDUMP_IN[6]="209"
HUMAN_INFO[6]="Brenner Ein"
VZ_UUIDFOR[6]="5ec31d30-fa90-11e9-98b7-3b9f4a33ba29"

VZ_UUIDFORBS="d403e120-115a-11ea-b273-05a1540bacf1"

typeset -i MAXP=6
typeset -i P=1
typeset -i BR=0

############   M A I N   ############

while read LINE
do
  while [[ ${P} -le ${MAXP} ]]
  do
    if [[ "$( echo -e "${LINE}" | grep "${CANDUMP_IN[${P}]}" | wc -l )" -gt 0 ]]
    then
      VAL="$( echo -e "ibase=16;obase=A;$( echo -e ${LINE} | cut -c14-15 )" | bc )"
      if [[ ( "${CANDUMP_IN[${P}]}" == 20A ) ]]
      then
        VALUE=${VAL}
      elif [[ ( "${CANDUMP_IN[${P}]}" == 209 ) ]]
      then
        VALUE=${VAL}
        if [[ ( "${VAL}" == 1 ) && ( "${BR}" == 0 ) ]]
        then
          BR=1
          if [[ "${1}" == "test" ]]
          then
            echo -e "$( date "+%H:%M:%S") - Brennerstart"
          else
            R_BS="$( wget -4 -O - -q --post-data "" "http://localhost/middleware/data/${VZ_UUIDFORBS}.json" )"
          fi
        elif [[ ( "${VAL}" == 0 ) ]]
          then
          BR=0
        fi
      else
        VALUE="$( echo "scale=1 ; ${VAL} / 2" | bc )"
      fi
      if [[ "${1}" == "test" ]]
      then
        echo -e "$( date "+%H:%M:%S") - ${HUMAN_INFO[${P}]}:  ${VALUE} (${LINE})"
      elif [[ $(echo "$VALUE > 80" | bc) -eq 1 ]]
      then
        echo -e "$( date "+%H:%M:%S") - ${HUMAN_INFO[${P}]}:  Value ${VALUE} larger than 80, ignoring"
      else
        RESPONSE="$( wget -4 -O - -q --post-data "value=${VALUE}" "http://localhost/middleware/data/${VZ_UUIDFOR[${P}]}.json" )"
      fi
    fi
    P=${P}+1
  done
  P=1
done < <( ${CANDUMPER} )