#!/bin/bash

export LANG='en_US.UTF-8'
# set column width
COLUMNS=2
# colors
green="\e[1;32m"
red="\e[1;31m"
undim="\e[0m"
declare -A services
services["docker"]="Docker"
services["smartd"]="Smart"
services["smbd"]="Samba"
services["nmbd"]="NetBIOS"
services["wsdd"]="WSD"
services["isc-dhcp-relay"]="DHCP Relay"


# Sorting associated array
names=$(
for name in ${!services[@]}; do
  echo "${services[$name]}:::$name"
done | sort | awk -F::: '{print $2}'
)

k=0
out=""
for name in $names; do
  VAL=${services[$name]}
  ((k++))
    # color green if service is active, else red
    service_status=($(systemctl is-active "$name"))
    if [[ "${service_status}" == "active" ]]; then
        _tmp=$(printf "%-13s %-16s," "${services[$name]}:" "${green}up${undim}")
        out+="${_tmp},"
    else
        _tmp=$(printf "%-13s %-16s," "${services[$name]}:" "${red}down${undim}")
        out+="${_tmp},"
    fi
    # insert \n every $COLUMNS column
    if [ $((($k) % $COLUMNS)) -eq 0 ]; then
        out+="\n"
    fi
done

out+="\n"

printf "\nServices:\n"
printf "$out" | column -ts $',' | sed -e 's/^/  /'