/*
Copyright 2021 The KubeVela 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 docgen

import (
	"context"
	"os"
	"path/filepath"
	"testing"
	"time"

	. "github.com/onsi/ginkgo/v2"
	. "github.com/onsi/gomega"
	corev1 "k8s.io/api/core/v1"
	crdv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/runtime"
	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
	"k8s.io/client-go/rest"
	"sigs.k8s.io/controller-runtime/pkg/client"
	"sigs.k8s.io/controller-runtime/pkg/envtest"
	logf "sigs.k8s.io/controller-runtime/pkg/log"
	"sigs.k8s.io/controller-runtime/pkg/log/zap"
	"sigs.k8s.io/yaml"

	coreoam "github.com/oam-dev/kubevela/apis/core.oam.dev"
	corev1beta1 "github.com/oam-dev/kubevela/apis/core.oam.dev/v1beta1"
	"github.com/oam-dev/kubevela/pkg/oam/util"
	"github.com/oam-dev/kubevela/pkg/utils/system"
	// +kubebuilder:scaffold:imports
)

// These tests use Ginkgo (BDD-style Go testing framework). Refer to
// http://onsi.github.io/ginkgo/ to learn more about Ginkgo.

var cfg *rest.Config
var k8sClient client.Client
var testEnv *envtest.Environment
var definitionDir string
var td corev1beta1.TraitDefinition
var wd, websvcWD corev1beta1.WorkloadDefinition
var cd, websvcCD corev1beta1.ComponentDefinition

func TestReferencePlugins(t *testing.T) {
	RegisterFailHandler(Fail)

	RunSpecs(t, "CLI Suite")
}

var _ = BeforeSuite(func() {
	logf.SetLogger(zap.New(zap.UseDevMode(true), zap.WriteTo(GinkgoWriter)))
	ctx := context.Background()
	By("bootstrapping test environment")
	useExistCluster := false
	testEnv = &envtest.Environment{
		ControlPlaneStartTimeout: time.Minute,
		ControlPlaneStopTimeout:  time.Minute,
		CRDDirectoryPaths:        []string{filepath.Join("..", "..", "charts", "vela-core", "crds")},
		UseExistingCluster:       &useExistCluster,
	}

	var err error
	cfg, err = testEnv.Start()
	Expect(err).ToNot(HaveOccurred())
	Expect(cfg).ToNot(BeNil())
	scheme := runtime.NewScheme()
	Expect(coreoam.AddToScheme(scheme)).NotTo(HaveOccurred())
	Expect(clientgoscheme.AddToScheme(scheme)).NotTo(HaveOccurred())
	Expect(crdv1.AddToScheme(scheme)).NotTo(HaveOccurred())
	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme})
	Expect(err).ToNot(HaveOccurred())
	Expect(k8sClient).ToNot(BeNil())

	definitionDir, err = system.GetCapabilityDir()
	Expect(err).Should(BeNil())
	Expect(os.MkdirAll(definitionDir, 0755)).Should(BeNil())

	Expect(k8sClient.Create(ctx, &corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: DefinitionNamespace}})).Should(SatisfyAny(BeNil(), &util.AlreadyExistMatcher{}))

	workloaddata, err := os.ReadFile("testdata/workloadDef.yaml")
	Expect(err).Should(BeNil())

	Expect(yaml.Unmarshal(workloaddata, &wd)).Should(BeNil())

	wd.Namespace = DefinitionNamespace
	logf.Log.Info("Creating workload definition", "data", wd)
	Expect(k8sClient.Create(ctx, &wd)).Should(SatisfyAny(BeNil(), &util.AlreadyExistMatcher{}))

	componentdata, err := os.ReadFile("testdata/componentDef.yaml")
	Expect(err).Should(BeNil())

	Expect(yaml.Unmarshal(componentdata, &cd)).Should(BeNil())

	cd.Namespace = DefinitionNamespace
	logf.Log.Info("Creating component definition", "data", cd)
	Expect(k8sClient.Create(ctx, &cd)).Should(SatisfyAny(BeNil(), &util.AlreadyExistMatcher{}))

	websvcWorkloadData, err := os.ReadFile("testdata/websvcWorkloadDef.yaml")
	Expect(err).Should(BeNil())

	Expect(yaml.Unmarshal(websvcWorkloadData, &websvcWD)).Should(BeNil())
	websvcWD.Namespace = DefinitionNamespace
	logf.Log.Info("Creating workload definition whose CUE template from remote", "data", &websvcWD)
	Expect(k8sClient.Create(ctx, &websvcWD)).Should(SatisfyAny(BeNil(), &util.AlreadyExistMatcher{}))

	websvcComponentDefData, err := os.ReadFile("testdata/websvcComponentDef.yaml")
	Expect(err).Should(BeNil())

	Expect(yaml.Unmarshal(websvcComponentDefData, &websvcCD)).Should(BeNil())
	websvcCD.Namespace = DefinitionNamespace
	logf.Log.Info("Creating component definition whose CUE template from remote", "data", &websvcCD)
	Expect(k8sClient.Create(ctx, &websvcCD)).Should(SatisfyAny(BeNil(), &util.AlreadyExistMatcher{}))
})

var DefinitionNamespace = "testdef"
var _ = AfterSuite(func() {
	By("tearing down the test environment")
	_ = k8sClient.Delete(context.Background(), &corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: DefinitionNamespace}})
	_ = k8sClient.Delete(context.Background(), &td)
	_ = k8sClient.Delete(context.Background(), &wd)
	_ = k8sClient.Delete(context.Background(), &websvcWD)
	err := testEnv.Stop()
	Expect(err).ToNot(HaveOccurred())
})