package dns

import (
	"path"
	"strings"

	"github.com/miekg/dns"
)

// msgPath converts a domainname to an etcd path. If s looks like service.staging.skydns.local.,
// the resulting key will be /skydns/local/skydns/staging/service .
func msgPath(s, prefix string) string {
	l := dns.SplitDomainName(s)
	for i, j := 0, len(l)-1; i < j; i, j = i+1, j-1 {
		l[i], l[j] = l[j], l[i]
	}

}

// List - Retrieves list of DNS entries for the domain.
func (c *CoreDNS) List() (map[string][]SrvRecord, error) {
	srvRecords := map[string][]SrvRecord{}
	for _, domainName := range c.domainNames {
		key := msgPath(fmt.Sprintf("%s.", domainName), c.prefixPath)
		records, err := c.list(key+etcdPathSeparator, true)
		if err != nil {
			return srvRecords, err
		}
		for _, record := range records {
			if record.Key == "" {

		if x := dnsJoin(tc.in...); x != tc.out {
			t.Errorf("Test %d, expected %s, got %s", i, tc.out, x)
		}
	}
}

func TestPath(t *testing.T) {
	for _, path := range []string{"mydns", "skydns"} {
		result := msgPath("service.staging.skydns.local.", path)
		if result != etcdPathSeparator+path+"/local/skydns/staging/service" {
			t.Errorf("Failure to get domain's path with prefix: %s", result)
		}
	}
}