//go:build unit || all
// +build unit all

package procedure

import (
	"context"
	"testing"

	cpv1beta1 "github.com/crossplane-contrib/provider-aws/apis/eks/v1beta1"
	. "github.com/onsi/gomega"
	eksv1alpha1 "github.com/tidbcloud/eks-provider/api/v1alpha1"
	"github.com/tidbcloud/infra-provider/pkg/namer"
	corev1 "k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/client-go/kubernetes/scheme"
	"sigs.k8s.io/controller-runtime/pkg/client"
	"sigs.k8s.io/controller-runtime/pkg/client/fake"
)

const (
	fakeFrpsImageURL = "fake.repository.io/frp/frps"
	fakeFrpsSvcName  = "fake-frps-svc"
	fakeFrpsSvcNs    = "fake-frps-svc-ns"
)

var (
	fakeFrpServerInfo ProcedureInfo
	fakeFrpsFrps      eksv1alpha1.Frpserver
)

func init() {
	fakeFrpServerInfo.Region = "us-west-2"
	fakeFrpServerInfo.Cluster = "eks1"
	fakeFrpServerInfo.ProviderConfigRef = "123456789012"
	fakeFrpServerInfo.SubnetIDs = []string{"subnet1", "subnet2"}
	fakeFrpServerInfo.eksConnection = &eksv1alpha1.EKSConnection{}
	fakeFrpServerInfo.namespace = ProcedureNamespace
}

func TestFrpServerDeploy(t *testing.T) {
	cases := map[string]struct {
		info      ProcedureInfo
		objs      []client.Object
		expectErr bool
	}{
		"create-success": {
			info:      fakeFrpServerInfo,
			expectErr: false,
		},
		"already-exist": {
			info: fakeFrpServerInfo,
			objs: []client.Object{
				&eksv1alpha1.Frpserver{
					ObjectMeta: metav1.ObjectMeta{
						Name: namer.UniqueIdentifier(fakeFrpServerInfo.eksConnection.ObjectMeta),
					},
				},
			},
			expectErr: false,
		},
	}
	for name, tc := range cases {
		t.Run(name, func(t *testing.T) {
			g := NewGomegaWithT(t)
			s := runtime.NewScheme()
			g.Expect(scheme.AddToScheme(s)).To(Succeed())
			g.Expect(eksv1alpha1.SchemeBuilder.AddToScheme(s)).To(Succeed())
			g.Expect(cpv1beta1.SchemeBuilder.AddToScheme(s)).To(Succeed())
			cli := fake.NewClientBuilder().WithScheme(s).WithObjects(tc.objs...).Build()
			g.Expect(SetConfigWithKey(context.TODO(), cli, tc.info, frpsImageKey, fakeFrpsImageURL)).To(Succeed())
			p := NewFrpServer(s)
			err := p.Deploy(context.TODO(), cli, cli, tc.info)
			if !tc.expectErr {
				g.Expect(err).To(Succeed())
			} else {
				g.Expect(err).NotTo(Succeed())
			}
		})
	}
}

func TestFrpServerStatus(t *testing.T) {
	addCondition := func(obj *eksv1alpha1.Frpserver, cond eksv1alpha1.Condition) *eksv1alpha1.Frpserver {
		obj.Status.Conditions.SetCondition(cond)
		return obj
	}
	addAnnotations := func(obj *eksv1alpha1.Frpserver, m map[string]string) *eksv1alpha1.Frpserver {
		if obj.Annotations == nil {
			obj.Annotations = m
		}
		return obj
	}
	cases := map[string]struct {
		info        ProcedureInfo
		objs        []client.Object
		expectReady bool
		expectErr   bool
	}{
		"not-exist": {
			info:        fakeFrpServerInfo,
			expectErr:   true,
			expectReady: false,
		},
		"frp-server-ready": {
			info: fakeFrpServerInfo,
			objs: []client.Object{
				addAnnotations(
					addCondition(
						getFrpServer(fakeFrpServerInfo, fakeFrpsImageURL),
						eksv1alpha1.Condition{
							Type:   eksv1alpha1.ConditionReady,
							Status: corev1.ConditionTrue,
						},
					), map[string]string{
						AnnotationKeyFrpsInternalSvcName: "fake-name",
						AnnotationKeyFrpsSvcNs:           "fake-ns",
					}),
			},
			expectErr:   false,
			expectReady: true,
		},
		"frp-server-not-ready": {
			info: fakeFrpServerInfo,
			objs: []client.Object{
				addCondition(
					getFrpServer(fakeFrpServerInfo, fakeFrpsImageURL),
					eksv1alpha1.Condition{
						Type:   eksv1alpha1.ConditionReady,
						Status: corev1.ConditionFalse,
					},
				),
			},
			expectErr:   false,
			expectReady: false,
		},
	}
	for name, tc := range cases {
		t.Run(name, func(t *testing.T) {
			g := NewGomegaWithT(t)
			s := runtime.NewScheme()
			g.Expect(scheme.AddToScheme(s)).To(Succeed())
			g.Expect(eksv1alpha1.SchemeBuilder.AddToScheme(s)).To(Succeed())
			cli := fake.NewClientBuilder().WithScheme(s).WithObjects(tc.objs...).Build()
			p := NewFrpServer(s)
			ready, err := p.Status(context.TODO(), cli, cli, tc.info)
			if !tc.expectErr {
				g.Expect(err).To(Succeed())
			} else {
				g.Expect(err).NotTo(Succeed())
				return
			}
			g.Expect(ready).To(Equal(tc.expectReady))
		})
	}
}