#!/bin/sh
# goal: handle various systemctl commands, particularly for freeipa
# restart X(.service)?
# start
# stop
# enable
# status
# disable
# mask
# unmask
# is-enabled
# list-unit-files --full
# is-active
# reload-or-try-restart X
# condrestart X
# daemon-reload --system
# --now

# log all parameters to learn usage
logfile=/var/log/systemctl.log
printf "%s\n" "${*}" >> "${logfile}"

evalparam() {
   # call: evalparam "${_x}" "word/single/double" "${_thisparam}" "${_nextparam}"
   printf "%s\n" "evalparam $*"
   __paramposition="${1}"
   __paramflaglevel="${2}"
   __param="${3}"
   __nextparam="${4}"
   case "${__param}" in
      "now") 
   esac
}

# iterate through all parameters
_param_count="${#}"
_x=0
while test ${_x} -lt ${_param_count} ;
do
   _x=$(( _x + 1 ))
   eval _thisparam="\${${_x}}"
   test ${_x} -lt ${_param_count} && eval _nextparam="\${$(( _x + 1 ))}" || unset _nextparam
   #printf "%s\n" "param ${_x} is \"${_thisparam}\" and next is \"${_nextparam:-UNDEFINED}\""
   case "${_thisparam}" in
      --*)
         #printf "%s\n" "This is a double-dash! Send the whole thing."
         evalparam "${_x}" "double" "${_thisparam##--}" "${_nextparam:-UNDEFINED}"
         ;;
      -*)
         #printf "%s\n" "This is a single dash! Send each char."
         _i=2
         while test ${_i} -le ${#_thisparam} ;
         do
            _char="$( printf '%s' "${_thisparam}" | cut -c ${_i})"
            evalparam "${_x}" "single" "${_char}" "${_nextparam:-UNDEFINED}" "$(( _i -1 ))"
            _i=$(( _i + 1 ))
         done
         unset _char
         ;;
      *)
         #printf "%s\n" "No dash. Evaluate this as a word."
         evalparam "${_x}" "word" "${_thisparam}" "${_nextparam:-UNDEFINED}"
         ;;
   esac
done