package collector

import (
	"net"
	"sort"
)

// networkAddressSets 将接口地址拆分为确定顺序的 IPv4 与 IPv6 列表。
func networkAddressSets(values map[string]struct{}) (ipv4s []string, ipv6s []string) {
	for value := range values {
		host, _, err := net.ParseCIDR(value)
		if err != nil {
			host = net.ParseIP(value)
		}
		if host == nil {
			continue
		}
		if host.To4() != nil {
			ipv4s = append(ipv4s, value)
			continue
		}
		ipv6s = append(ipv6s, value)
	}
	sort.Strings(ipv4s)
	sort.Strings(ipv6s)
	return ipv4s, ipv6s
}