package framework

import (
	"context"
	"fmt"

	"github.com/onsi/ginkgo/v2"
	"github.com/onsi/gomega"
	corev1 "k8s.io/api/core/v1"
	rbacv1 "k8s.io/api/rbac/v1"
	apierrors "k8s.io/apimachinery/pkg/api/errors"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/client-go/kubernetes"
	"k8s.io/klog/v2"
)

// CreateClusterRole create clusterRole.
func CreateClusterRole(client kubernetes.Interface, clusterRole *rbacv1.ClusterRole) {
	ginkgo.By(fmt.Sprintf("Creating ClusterRole(%s)", clusterRole.Name), func() {
		_, err := client.RbacV1().ClusterRoles().Create(context.TODO(), clusterRole, metav1.CreateOptions{})
		gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
	})
}

// CreateClusterRoleBinding create clusterRoleBinding.
func CreateClusterRoleBinding(client kubernetes.Interface, clusterRoleBinding *rbacv1.ClusterRoleBinding) {
	ginkgo.By(fmt.Sprintf("Creating ClusterRoleBinding(%s)", clusterRoleBinding.Name), func() {
		_, err := client.RbacV1().ClusterRoleBindings().Create(context.TODO(), clusterRoleBinding, metav1.CreateOptions{})
		gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
	})
}

// RemoveClusterRole delete clusterRole.
func RemoveClusterRole(client kubernetes.Interface, name string) {
	ginkgo.By(fmt.Sprintf("Remove ClusterRole(%s)", name), func() {
		err := client.RbacV1().ClusterRoles().Delete(context.TODO(), name, metav1.DeleteOptions{})
		if apierrors.IsNotFound(err) {
			return
		}
		gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
	})
}

// RemoveClusterRoleBinding delete clusterRoleBinding.
func RemoveClusterRoleBinding(client kubernetes.Interface, name string) {
	ginkgo.By(fmt.Sprintf("Remove ClusterRoleBinding(%s)", name), func() {
		err := client.RbacV1().ClusterRoleBindings().Delete(context.TODO(), name, metav1.DeleteOptions{})
		if apierrors.IsNotFound(err) {
			return
		}
		gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
	})
}

// CreateServiceAccount create serviceaccount.
func CreateServiceAccount(client kubernetes.Interface, serviceaccount *corev1.ServiceAccount) {
	ginkgo.By(fmt.Sprintf("Creating ServiceAccount(%s/%s)", serviceaccount.Namespace, serviceaccount.Name), func() {
		_, err := client.CoreV1().ServiceAccounts(serviceaccount.Namespace).Create(context.TODO(), serviceaccount, metav1.CreateOptions{})
		gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
	})
}

// RemoveServiceAccount delete serviceaccount.
func RemoveServiceAccount(client kubernetes.Interface, namespace, name string) {
	ginkgo.By(fmt.Sprintf("Remove ServiceAccount(%s/%s)", namespace, name), func() {
		err := client.CoreV1().ServiceAccounts(namespace).Delete(context.TODO(), name, metav1.DeleteOptions{})
		if apierrors.IsNotFound(err) {
			return
		}
		gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
	})
}

// WaitServiceAccountPresentOnClusterFitWith wait sa present on member clusters sync with fit func.
func WaitServiceAccountPresentOnClusterFitWith(cluster, namespace, name string, fit func(sa *corev1.ServiceAccount) bool) {
	clusterClient := GetClusterClient(cluster)
	gomega.Expect(clusterClient).ShouldNot(gomega.BeNil())

	klog.Infof("Waiting for serviceAccount(%s/%s) synced on cluster(%s)", namespace, name, cluster)
	gomega.Eventually(func() bool {
		sa, err := clusterClient.CoreV1().ServiceAccounts(namespace).Get(context.TODO(), name, metav1.GetOptions{})
		if err != nil {
			return false
		}
		return fit(sa)
	}, pollTimeout, pollInterval).Should(gomega.Equal(true))
}

// WaitServiceAccountPresentOnClustersFitWith wait sa present on cluster sync with fit func.
func WaitServiceAccountPresentOnClustersFitWith(clusters []string, namespace, name string, fit func(sa *corev1.ServiceAccount) bool) {
	ginkgo.By(fmt.Sprintf("Waiting for pod(%s/%s) synced on member clusters", namespace, name), func() {
		for _, clusterName := range clusters {
			WaitServiceAccountPresentOnClusterFitWith(clusterName, namespace, name, fit)
		}
	})
}

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

	klog.Infof("Waiting for sa(%s/%s) disappear on cluster(%s)", namespace, name, cluster)
	gomega.Eventually(func() bool {
		_, err := clusterClient.CoreV1().ServiceAccounts(namespace).Get(context.TODO(), name, metav1.GetOptions{})
		if err == nil {
			return false
		}
		if apierrors.IsNotFound(err) {
			return true
		}

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

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