/*
Copyright 2016 The Kubernetes Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package route53

import (
	"strings"

	"github.com/aws/aws-sdk-go/aws"
	"github.com/aws/aws-sdk-go/service/route53"
	"k8s.io/kubernetes/federation/pkg/dnsprovider"
)

// Compile time check for interface adherence
var _ dnsprovider.Zone = &Zone{}

type Zone struct {
	impl  *route53.HostedZone
	zones *Zones
}

func (zone *Zone) Name() string {
	return aws.StringValue(zone.impl.Name)
}

func (zone *Zone) ID() string {
	id := aws.StringValue(zone.impl.Id)
	id = strings.TrimPrefix(id, "/hostedzone/")
	return id
}

func (zone *Zone) ResourceRecordSets() (dnsprovider.ResourceRecordSets, bool) {
	return &ResourceRecordSets{zone}, true
}

// Route53HostedZone returns the route53 HostedZone object for the zone.
// This is a "back door" that allows for limited access to the HostedZone,
// without having to requery it, so that we can expose AWS specific functionality.
// Using this method should be avoided where possible; instead prefer to add functionality
// to the cross-provider Zone interface.
func (zone *Zone) Route53HostedZone() *route53.HostedZone {
	return zone.impl
}