#!/usr/bin/env bash
#MENU OPTIONS
#suspend
suspend() {
  loginctl suspend
}

#quit
quit() {
  awesome-client "awesome.quit()"
}

#restart awesome
restart() {
  awesome-client "awesome.restart()"
}
#END MENU OPTIONS

OPTIONS=$(cat $0 | awk "$(cat <<EOF
/^#MENU OPTIONS/ { declaration=1; next }
/^#END MENU OPTIONS/ { declaration=0; next}
/^#/ { desc=\$0; next } 
/^[a-zA-Z0-9_]+[[:space:]]*\(\)/ { 
  if (declaration == 1) {
    gsub("\\\\(\\\\) {","",\$0); 
    print desc "\t" \$0 
  }
}
EOF
)")

run_action() {
  local action="$1"
  local func=$(echo "$OPTIONS" | awk -F"\t" -v desc="$action" '$1 == "#"desc { print $2 }')
  if [[ -n "$func" ]]; then
    "$func"
  else
    echo "No function found for description: $action"
  fi
}

IFS=$'\n' read -d '' -ra OPTIONS_MAP <<< $(echo "$OPTIONS" | awk -F"\t" '{ print substr($1,2)}')
# USES DMENU with center patch!
action=$(printf "%s\n" "${OPTIONS_MAP[@]}" | dmenu -c -l ${#OPTIONS_MAP[@]}) || exit
run_action "$action"