loopify.go

package loopia

import (
	"fmt"
	"strings"
)

// loopia does not have support for propper subdomains so
// we need so that zone only contains <domain>.<tld>
func loopify(name, zone string) (string, string) {
	components := strings.Split(zone, ".")
	split := 2
	l := len(components)
	if components[l-1] == "" {
		split = 3
	}
	if l > split {
		name = fmt.Sprintf("%s.%s", name, strings.Join(components[:l-split], "."))
		zone = strings.Join(components[len(components)-split:], ".")
	}
	return name, zone
}

// unLoopify modifies name and zone so that name should only contain hostname and
// everything else should end up in zone.
// returns [name, zone]
func unLoopify(name, zone string) (string, string) {
	components := strings.Split(name, ".")
	l := len(components)
	if l > 1 {
		name = components[0]
		zone = fmt.Sprintf("%s.%s", strings.Join(components[1:], "."), zone)
	}
	return name, zone
}