#!/bin/bash

export TERM=linux

BGRN='\033[1;92m'
BGRY='\033[1;30m'
BBLU='\033[1;34m'
BRED='\033[1;91m'
BWHI='\033[1;97m'
CBLA='\033[?16;0;30c' # Hide blinking cursor
DFLT='\033[0m'        # Reset colour
LCLR='\033[K'         # Clear to end of line
PRST='\033[0;0H'      # Reset cursor position

FQDN='{{ _template.metacluster.fqdn }}'
IPADDRESS='{{ _template.metacluster.vip }}'

declare -A COMPONENTS
{% for component in _template.metacluster.components %}
COMPONENTS["{{ component.name }}\t({{ component.url }})"]="{{ component.healthcheck }}"
{% endfor %}

I=0

while /bin/true; do
  if [[ $I -gt 59 ]]; then
    clear > /dev/tty1
    I=0
  else
    I=$(( $I + 1 ))
  fi

  echo -e "${PRST}" > /dev/tty1
  echo -e "\n\n\t${DFLT}To manage this appliance, please connect to one of the following:${LCLR}\n" > /dev/tty1

  for c in $( echo "${!COMPONENTS[@]}" | tr ' ' $'\n' | sort); do
    STATUS=$(curl -kLs "${COMPONENTS[${c}]}" -o /dev/null -w '%{http_code}')

    if [[ "${STATUS}" -eq "200" ]]; then
      echo -e "\t [${BGRN}+${DFLT}] ${BBLU}${c}${DFLT}${LCLR}" > /dev/tty1
    else
      echo -e "\t [${BRED}-${DFLT}] ${BBLU}${c}${DFLT}${LCLR}" > /dev/tty1
    fi
  done

  echo -e "\n\t${BGRY}Note that your DNS zone ${DFLT}must have${BGRY} respective records defined,\n\teach pointing to: ${DFLT}${IPADDRESS}${LCLR}" > /dev/tty1

  echo -e "${CBLA}" > /dev/tty1
  sleep 1
done