#!/bin/bash

#Check to see if all or some of the herons can be connected to

_NC='\033[0m' 
_G='\033[0;32m' 
_R='\033[0;31m' 

hcpu_ip_list=(`echo $HERONS_CPUS | tr ',' ' '`)
hcpu_name_list=(`echo $HERONS_CPUS_N | tr ',' ' '`)
len=${#hcpu_ip_list[@]}
range=''
if [[ $# == 0 ]]
then
    for i in $(seq 0 $(($len-1)))
    do 
        range+="${i} "
    done 
else
    for vehicle in "$@";
    do
        case $vehicle in 

        a | A) 
        range+='0 1 '
        ;;
        b | B) 
        range+='2 3 '
        ;;
        c | C) 
        range+='4 5 '
        ;;
        d | D) 
        range+='6 7 '
        ;;
        e | E) 
        range+='8 9 '
        ;;
        f | F) 
        range+='10 11 '
        ;;
        g | G) 
        range+=''
        ;;
        m | M) 
        range+='12 13 '
        ;;
        n | N) 
        range+='14 15 '
        ;;
        o | O)
	range+='16 17 '
        ;;
        p | P)	
        range+='18 19 '
        ;;
        esac
    done
fi

for idx in ${range};
do
    cpu_ip="${hcpu_ip_list[idx]}"
    cpu_name="${hcpu_name_list[idx]}"
    if nc -z -G 1 $cpu_ip 22 &>/dev/null; then
        printf "${cpu_name} ${_G}ONLINE${_NC}\n"
    else
        printf "${cpu_name} ${_R}OFFLINE${_NC}\n"
    fi
done