/*
 * Project: Go CLI Tool
 * Category: Go Projects
 * Description: Command-line interface tool built with Go. Features file operations, text processing, command parsing, and system utilities.
 * Author: RSK World
 * Email: support@rskworld.in
 * Website: https://rskworld.in/contact.php
 * Year: 2026
 * Copyright (c) 2026 RSK World. All rights reserved.
 */

package netops

import (
	"fmt"
	"net"
)

// GetLocalIP retrieves and prints the local IP address of the machine.
// This is useful for networking debugging and configuration verification.
func GetLocalIP() {
	addrs, err := net.InterfaceAddrs()
	if err != nil {
		fmt.Printf("Error getting addresses: %v\n", err)
		return
	}

	fmt.Println("Local IP Addresses:")
	for _, address := range addrs {
		// Check the address type and if it is not a loopback the display it
		if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
			if ipnet.IP.To4() != nil {
				fmt.Printf("- %s\n", ipnet.IP.String())
			}
		}
	}
}

// LookupDNS performs a DNS lookup for the given hostname.
// It resolves the hostname to its IP addresses.
func LookupDNS(hostname string) {
	ips, err := net.LookupIP(hostname)
	if err != nil {
		fmt.Printf("Could not get IPs: %v\n", err)
		return
	}

	fmt.Printf("IPs for %s:\n", hostname)
	for _, ip := range ips {
		fmt.Printf("- %s\n", ip.String())
	}
}