// Copyright (c) 2021 Gitpod GmbH. All rights reserved.
// Licensed under the GNU Affero General Public License (AGPL).
// See License.AGPL.txt in the project root for license information.

package dockerregistry

import (
	"fmt"

	"github.com/gitpod-io/gitpod/installer/pkg/common"
	certmanagerv1 "github.com/jetstack/cert-manager/pkg/apis/certmanager/v1"
	cmmeta "github.com/jetstack/cert-manager/pkg/apis/meta/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/utils/pointer"
)

func certificate(ctx *common.RenderContext) ([]runtime.Object, error) {
	if !pointer.BoolDeref(ctx.Config.ContainerRegistry.InCluster, false) {
		return nil, nil
	}

	return []runtime.Object{&certmanagerv1.Certificate{
		TypeMeta: common.TypeMetaCertificate,
		ObjectMeta: metav1.ObjectMeta{
			Name:      BuiltInRegistryCerts,
			Namespace: ctx.Namespace,
			Labels:    common.DefaultLabels(Component),
		},
		Spec: certmanagerv1.CertificateSpec{
			Duration:   common.InternalCertDuration,
			SecretName: BuiltInRegistryCerts,
			IssuerRef: cmmeta.ObjectReference{
				Name:  common.CertManagerCAIssuer,
				Kind:  certmanagerv1.ClusterIssuerKind,
				Group: "cert-manager.io",
			},
			DNSNames: []string{
				fmt.Sprintf("registry.%s.svc.cluster.local", ctx.Namespace),
			},
			SecretTemplate: &certmanagerv1.CertificateSecretTemplate{
				Labels: common.DefaultLabels(Component),
			},
		},
	}}, nil
}