/*
Copyright 2021 The Karmada 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"

	"github.com/onsi/ginkgo/v2"
	"github.com/onsi/gomega"
	batchv1 "k8s.io/api/batch/v1"
	apierrors "k8s.io/apimachinery/pkg/api/errors"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/types"
	"k8s.io/client-go/kubernetes"
	"k8s.io/klog/v2"
)

// CreateJob create Job.
func CreateJob(client kubernetes.Interface, job *batchv1.Job) {
	ginkgo.By(fmt.Sprintf("Creating Job(%s/%s)", job.Namespace, job.Name), func() {
		_, err := client.BatchV1().Jobs(job.Namespace).Create(context.TODO(), job, metav1.CreateOptions{})
		gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
	})
}

// GetJob get Job.
func GetJob(client kubernetes.Interface, namespace, name string) {
	ginkgo.By(fmt.Sprintf("Get job(%s)", name), func() {
		_, err := client.BatchV1().Jobs(namespace).Get(context.TODO(), name, metav1.GetOptions{})
		gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
	})
}

// RemoveJob delete Job.
func RemoveJob(client kubernetes.Interface, namespace, name string) {
	ginkgo.By(fmt.Sprintf("Removing Job(%s/%s)", namespace, name), func() {
		foregroundDelete := metav1.DeletePropagationForeground
		err := client.BatchV1().Jobs(namespace).Delete(context.TODO(), name, metav1.DeleteOptions{PropagationPolicy: &foregroundDelete})
		gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
	})
}

// WaitJobPresentOnClusterFitWith wait job present on member clusters sync with fit func.
func WaitJobPresentOnClusterFitWith(cluster, namespace, name string, fit func(job *batchv1.Job) bool) {
	clusterClient := GetClusterClient(cluster)
	gomega.Expect(clusterClient).ShouldNot(gomega.BeNil())

	klog.Infof("Waiting for job(%s/%s) synced on cluster(%s)", namespace, name, cluster)
	gomega.Eventually(func() bool {
		dep, err := clusterClient.BatchV1().Jobs(namespace).Get(context.TODO(), name, metav1.GetOptions{})
		if err != nil {
			return false
		}
		return fit(dep)
	}, PollTimeout, PollInterval).Should(gomega.Equal(true))
}

// WaitJobPresentOnClustersFitWith wait job present on cluster sync with fit func.
func WaitJobPresentOnClustersFitWith(clusters []string, namespace, name string, fit func(job *batchv1.Job) bool) {
	ginkgo.By(fmt.Sprintf("Waiting for job(%s/%s) synced on member clusters", namespace, name), func() {
		for _, clusterName := range clusters {
			WaitJobPresentOnClusterFitWith(clusterName, namespace, name, fit)
		}
	})
}

// WaitJobDisappearOnCluster wait job disappear on cluster until timeout.
func WaitJobDisappearOnCluster(cluster, namespace, name string) {
	clusterClient := GetClusterClient(cluster)
	gomega.Expect(clusterClient).ShouldNot(gomega.BeNil())

	klog.Infof("Waiting for job(%s/%s) disappear on cluster(%s)", namespace, name, cluster)
	gomega.Eventually(func() bool {
		_, err := clusterClient.BatchV1().Jobs(namespace).Get(context.TODO(), name, metav1.GetOptions{})
		if err == nil {
			return false
		}
		if apierrors.IsNotFound(err) {
			return true
		}

		klog.Errorf("Failed to get job(%s/%s) on cluster(%s), err: %v", namespace, name, cluster, err)
		return false
	}, PollTimeout, PollInterval).Should(gomega.Equal(true))
}

// WaitJobDisappearOnClusters wait job disappear on member clusters until timeout.
func WaitJobDisappearOnClusters(clusters []string, namespace, name string) {
	ginkgo.By(fmt.Sprintf("Check if job(%s/%s) diappeare on member clusters", namespace, name), func() {
		for _, clusterName := range clusters {
			WaitJobDisappearOnCluster(clusterName, namespace, name)
		}
	})
}

// UpdateJobWithPatchBytes update job with patch bytes.
func UpdateJobWithPatchBytes(client kubernetes.Interface, namespace, name string, patchBytes []byte, patchType types.PatchType) {
	ginkgo.By(fmt.Sprintf("Updating job(%s/%s)", namespace, name), func() {
		_, err := client.BatchV1().Jobs(namespace).Patch(context.TODO(), name, patchType, patchBytes, metav1.PatchOptions{})
		gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
	})
}