// Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"). You may
// not use this file except in compliance with the License. A copy of the
// License is located at
//
//     http://aws.amazon.com/apache2.0/
//
// or in the "license" file accompanying this file. This file 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 ipv6

import (
	"fmt"
	"testing"

	"github.com/aws/amazon-vpc-cni-k8s/test/framework"
	k8sUtils "github.com/aws/amazon-vpc-cni-k8s/test/framework/resources/k8s/utils"
	"github.com/aws/amazon-vpc-cni-k8s/test/framework/utils"

	. "github.com/onsi/ginkgo/v2"
	. "github.com/onsi/gomega"
	v1 "k8s.io/api/core/v1"
)

const InstanceTypeNodeLabelKey = "beta.kubernetes.io/instance-type"

var primaryNode v1.Node

func TestCNIv6PodNetworking(t *testing.T) {
	RegisterFailHandler(Fail)
	RunSpecs(t, "CNI Pod Networking Suite")
}

var _ = BeforeSuite(func() {
	f = framework.New(framework.GlobalOptions)

	By("creating test namespace")
	f.K8sResourceManagers.NamespaceManager().
		CreateNamespace(utils.DefaultTestNamespace)

	By(fmt.Sprintf("getting the node with the node label key %s and value %s",
		f.Options.NgNameLabelKey, f.Options.NgNameLabelVal))
	nodes, err := f.K8sResourceManagers.NodeManager().GetNodes(f.Options.NgNameLabelKey, f.Options.NgNameLabelVal)
	Expect(err).ToNot(HaveOccurred())

	By("verifying that more than 1 node is available for the test")
	Expect(len(nodes.Items)).Should(BeNumerically(">", 1))

	// Set the primary node used for testing
	primaryNode = nodes.Items[0]
})

var _ = AfterSuite(func() {
	By("deleting test namespace")
	f.K8sResourceManagers.NamespaceManager().
		DeleteAndWaitTillNamespaceDeleted(utils.DefaultTestNamespace)

	k8sUtils.UpdateEnvVarOnDaemonSetAndWaitUntilReady(f, "aws-node", "kube-system",
		"aws-node", map[string]string{
			AWS_VPC_ENI_MTU:            "9001",
			AWS_VPC_K8S_CNI_VETHPREFIX: "eni",
		},
		map[string]struct{}{
			"WARM_IP_TARGET":  {},
			"WARM_ENI_TARGET": {},
		})
})