/*
Copyright 2020 The cert-manager 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 framework

import (
	"context"
	"fmt"
	"time"

	v1 "k8s.io/api/core/v1"
	"k8s.io/apimachinery/pkg/api/resource"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)

// Defines methods that help provision test environments

const (
	// Poll defines how often to poll for conditions.
	Poll = 2 * time.Second
)

// CreateKubeNamespace creates a new Kubernetes Namespace for a test.
func (f *Framework) CreateKubeNamespace(ctx context.Context, baseName string) (*v1.Namespace, error) {
	ns := &v1.Namespace{
		ObjectMeta: metav1.ObjectMeta{
			GenerateName: fmt.Sprintf("e2e-tests-%v-", baseName),
		},
	}

	return f.KubeClientSet.CoreV1().Namespaces().Create(ctx, ns, metav1.CreateOptions{})
}

// CreateKubeResourceQuota provisions a ResourceQuota resource in the target
// namespace.
func (f *Framework) CreateKubeResourceQuota(ctx context.Context) (*v1.ResourceQuota, error) {
	quota := &v1.ResourceQuota{
		ObjectMeta: metav1.ObjectMeta{
			Name:      "default-e2e-quota",
			Namespace: f.Namespace.Name,
		},
		Spec: v1.ResourceQuotaSpec{
			Hard: v1.ResourceList{
				"cpu":             resource.MustParse("16"),
				"limits.cpu":      resource.MustParse("16"),
				"requests.cpu":    resource.MustParse("16"),
				"memory":          resource.MustParse("32G"),
				"limits.memory":   resource.MustParse("32G"),
				"requests.memory": resource.MustParse("32G"),
			},
		},
	}
	return f.KubeClientSet.CoreV1().ResourceQuotas(f.Namespace.Name).Create(ctx, quota, metav1.CreateOptions{})
}

// DeleteKubeNamespace will delete a namespace resource
func (f *Framework) DeleteKubeNamespace(ctx context.Context, namespace string) error {
	return f.KubeClientSet.CoreV1().Namespaces().Delete(ctx, namespace, metav1.DeleteOptions{})
}
