package main

import (
	"fmt"
	"os"
	"syscall"
)

// GetFullHostname returns the hostname + domain name (if set).
func getFullHostname() (string, error) {
	host, err := os.Hostname()
	if err != nil {
		return "", fmt.Errorf("failed to get hostname: %w", err)
	}

	domain, err := getDomainName()
	if err != nil || domain == "" {
		return host, nil // fallback to short hostname
	}

	return fmt.Sprintf("%s.%s", host, domain), nil
}