// Copyright Istio 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 factory

import (
	"istio.io/istio/pilot/pkg/model"
	"istio.io/istio/pilot/pkg/security/authn"
	"istio.io/istio/pilot/pkg/security/authn/v1beta1"
	"istio.io/istio/pkg/config/labels"
)

// NewPolicyApplier returns the appropriate (policy) applier, depends on the versions of the policy exists
// for the given service instance.
func NewPolicyApplier(push *model.PushContext, namespace string, labels labels.Collection) authn.PolicyApplier {
	return v1beta1.NewPolicyApplier(
		push.AuthnBetaPolicies.GetRootNamespace(),
		push.AuthnBetaPolicies.GetJwtPoliciesForWorkload(namespace, labels),
		push.AuthnBetaPolicies.GetPeerAuthenticationsForWorkload(namespace, labels))
}
