package hostname

import (
	"io"
	"net"
)

// GetWhois performs a raw whois query for a given domain.
// Note: This does not recursively find the right server; it uses a known one.
func GetWhois(domain, server string) (string, error) {
	// Connect to the whois server on port 43
	conn, err := net.Dial("tcp", net.JoinHostPort(server, "43"))
	if err != nil {
		return "", err
	}
	defer conn.Close()

	// Send the domain query
	_, err = conn.Write([]byte(domain + "\r\n"))
	if err != nil {
		return "", err
	}

	// Read the entire response
	result, err := io.ReadAll(conn)
	if err != nil {
		return "", err
	}

	return string(result), nil
}

/*
func main() {
// We have to know the server for .com domains
const whoisServer = "whois.verisign-grs.com"
  domain :="google.com"

  whoisData, err := GetWhois(domain, whoisServer)
if err != nil {
          log.Fatal"Error getting whois info: %v", err)
  }

  fmt.Println(whoisData)
}

*/