function test-net --description 'Test network connectivity'

if not command -q 'ip'
  echo "Can't find ip."
  return 1
end

if not command -q 'ping'
  echo "Can't find ping."
  return 1
end

if not command -q 'curl'
  echo "Can't find curl."
  return 1
end

set -l extipurl 'https://ifconfig.io'

function print_header -a headertext
  echo
  set_color blue
  echo $headertext
  set_color normal
  echo
end

function print_ip -a label -a ip
  echo -n $label
  set_color yellow
  echo $ip
  set_color normal
end

function ping_host -a host
  echo
  set_color green
  ping -q -O -c 1 $host
  set_color normal
end

print_header "Testing local connectivity"

set -l gateway "$(ip -c=never -o route show | awk '/default via/ {print $3}')"

print_ip 'Gateway: ' "$gateway"
ping_host "$gateway"

print_header "Testing internet connectivity"

print_ip 'External IPv4 address: ' "$(curl -s -4 $extipurl)"
print_ip 'External IPv6 address: ' "$(curl -s -6 $extipurl)"

ping_host 8.8.8.8

echo

end