#!/usr/bin/env bash
set -euo pipefail
src_dns_server=192.168.1.2
# DHCP scopes to manage - put the name of each scope you have
dhcp_scopes=("local-home")  # Use this array for one or many scopes

echo "Checking primary Technitium server status"
status_code=$(curl --write-out '%{http_code}' --silent --output /dev/null http://$src_dns_server:5380)

if [[ "$status_code" -ne 200 ]]; then
  echo "Primary DNS/DHCP server is not available. Enabling DHCP on the secondary server."
  action="enable"
else
  echo "Primary DNS/DHCP server is available. Disabling DHCP on the secondary server."
  action="disable"
fi

for scope in "${dhcp_scopes[@]}"; do
  echo "Executing API call to $action DHCP scope: $scope"
  response=$(curl -X POST "http://localhost:5380/api/dhcp/scopes/$action?token=$DNS1_API&name=$scope" \
    --silent --write-out "%{http_code}")

  echo "HTTP response code: $response"
  if [[ "$response" == "200" ]]; then
    echo "Successfully $action DHCP for scope: $scope"
  else
    echo "Failed to $action DHCP for scope: $scope. Check the response body for details."
  fi
done