package resource_test

import (
	"testing"

	"github.com/k8sland/k9s/resource"
	"github.com/k8sland/k9s/resource/k8s"
	m "github.com/petergtz/pegomock"
	"github.com/stretchr/testify/assert"
	"k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)

func TestEndpointsListAccess(t *testing.T) {
	ns := "blee"
	l := resource.NewEndpointsList(resource.AllNamespaces)
	l.SetNamespace(ns)

	assert.Equal(t, "blee", l.GetNamespace())
	assert.Equal(t, "ep", l.GetName())
	for _, a := range []int{resource.GetAccess, resource.ListAccess, resource.DeleteAccess, resource.ViewAccess, resource.EditAccess} {
		assert.True(t, l.Access(a))
	}
}

func TestEndpointsHeader(t *testing.T) {
	assert.Equal(t, resource.Row{"NAME", "ENDPOINTS", "AGE"}, newEndpoints().Header("default"))
}

func TestEndpointsFields(t *testing.T) {
	r := newEndpoints().Fields("blee")
	assert.Equal(t, "fred", r[0])
}

func TestEndpointsMarshal(t *testing.T) {
	setup(t)

	ca := NewMockCaller()
	m.When(ca.Get("blee", "fred")).ThenReturn(k8sEndpoints(), nil)

	cm := resource.NewEndpointsWithArgs(ca)
	ma, err := cm.Marshal("blee/fred")
	ca.VerifyWasCalledOnce().Get("blee", "fred")
	assert.Nil(t, err)
	assert.Equal(t, epYaml(), ma)
}

func TestEndpointsListData(t *testing.T) {
	setup(t)

	ca := NewMockCaller()
	m.When(ca.List(resource.NotNamespaced)).ThenReturn(k8s.Collection{*k8sEndpoints()}, nil)

	l := resource.NewEndpointsListWithArgs("-", resource.NewEndpointsWithArgs(ca))
	// Make sure we can get deltas!
	for i := 0; i < 2; i++ {
		err := l.Reconcile()
		assert.Nil(t, err)
	}

	ca.VerifyWasCalled(m.Times(2)).List(resource.NotNamespaced)
	td := l.Data()
	assert.Equal(t, 1, len(td.Rows))
	assert.Equal(t, resource.NotNamespaced, l.GetNamespace())
	assert.False(t, l.HasXRay())
	row := td.Rows["blee/fred"]
	assert.Equal(t, 3, len(row.Deltas))
	for _, d := range row.Deltas {
		assert.Equal(t, "", d)
	}
	assert.Equal(t, resource.Row{"fred"}, row.Fields[:1])
}

func TestEndpointsListDescribe(t *testing.T) {
	setup(t)

	ca := NewMockCaller()
	m.When(ca.Get("blee", "fred")).ThenReturn(k8sEndpoints(), nil)
	l := resource.NewEndpointsListWithArgs("blee", resource.NewEndpointsWithArgs(ca))
	props, err := l.Describe("blee/fred")

	ca.VerifyWasCalledOnce().Get("blee", "fred")
	assert.Nil(t, err)
	assert.Equal(t, 0, len(props))
}

// Helpers...

func k8sEndpoints() *v1.Endpoints {
	return &v1.Endpoints{
		ObjectMeta: metav1.ObjectMeta{
			Namespace:         "blee",
			Name:              "fred",
			CreationTimestamp: metav1.Time{Time: testTime()},
		},
		Subsets: []v1.EndpointSubset{
			{
				Addresses: []v1.EndpointAddress{
					{IP: "1.1.1.1"},
				},
				Ports: []v1.EndpointPort{
					{Port: 80, Protocol: "TCP"},
				},
			},
		},
	}
}

func newEndpoints() resource.Columnar {
	return resource.NewEndpoints().NewInstance(k8sEndpoints())
}

func epYaml() string {
	return `typemeta:
  kind: Endpoints
  apiversion: v1
objectmeta:
  name: fred
  generatename: ""
  namespace: blee
  selflink: ""
  uid: ""
  resourceversion: ""
  generation: 0
  creationtimestamp: "2018-12-14T10:36:43.326972-07:00"
  deletiontimestamp: null
  deletiongraceperiodseconds: null
  labels: {}
  annotations: {}
  ownerreferences: []
  initializers: null
  finalizers: []
  clustername: ""
subsets:
- addresses:
  - ip: 1.1.1.1
    hostname: ""
    nodename: null
    targetref: null
  notreadyaddresses: []
  ports:
  - name: ""
    port: 80
    protocol: TCP
`
}