/*
Copyright 2024.

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 e2e

import (
	"fmt"
	"os/exec"
	"time"

	. "github.com/onsi/ginkgo/v2"
	. "github.com/onsi/gomega"

	"github.com/ceph/ceph-csi-operator/test/utils"
)

const namespace = "ceph-csi-operator-system"

var _ = Describe("controller", Ordered, func() {
	BeforeAll(func() {
		By("installing prometheus operator")
		Expect(utils.InstallPrometheusOperator()).To(Succeed())

		By("installing the cert-manager")
		Expect(utils.InstallCertManager()).To(Succeed())

		By("creating manager namespace")
		//nolint:gosec
		cmd := exec.Command("kubectl", "create", "ns", namespace)
		_, _ = utils.Run(cmd)
	})

	AfterAll(func() {
		By("uninstalling the Prometheus manager bundle")
		utils.UninstallPrometheusOperator()

		By("uninstalling the cert-manager bundle")
		utils.UninstallCertManager()

		By("removing manager namespace")
		//nolint:gosec
		cmd := exec.Command("kubectl", "delete", "ns", namespace)
		_, _ = utils.Run(cmd)
	})

	Context("Operator", func() {
		It("should run successfully", func() {
			var controllerPodName string
			var err error

			// projectimage stores the name of the image used in the example
			var projectimage = "example.com/ceph-csi-operator:v0.0.1"

			By("building the manager(Operator) image")
			//nolint:gosec
			cmd := exec.Command("make", "docker-build", fmt.Sprintf("IMG=%s", projectimage))
			_, err = utils.Run(cmd)
			ExpectWithOffset(1, err).NotTo(HaveOccurred())

			By("loading the the manager(Operator) image on Kind")
			err = utils.LoadImageToKindClusterWithName(projectimage)
			ExpectWithOffset(1, err).NotTo(HaveOccurred())

			By("installing CRDs")
			//nolint:gosec
			cmd = exec.Command("make", "install")
			_, err = utils.Run(cmd)
			ExpectWithOffset(1, err).NotTo(HaveOccurred())

			By("deploying the controller-manager")
			//nolint:gosec
			cmd = exec.Command("make", "deploy", fmt.Sprintf("IMG=%s", projectimage))
			_, err = utils.Run(cmd)
			ExpectWithOffset(1, err).NotTo(HaveOccurred())

			By("validating that the controller-manager pod is running as expected")
			verifyControllerUp := func() error {
				// Get pod name
				//nolint:gosec
				cmd = exec.Command("kubectl", "get",
					"pods", "-l", "control-plane=controller-manager",
					"-o", "go-template={{ range .items }}"+
						"{{ if not .metadata.deletionTimestamp }}"+
						"{{ .metadata.name }}"+
						"{{ \"\\n\" }}{{ end }}{{ end }}",
					"-n", namespace,
				)

				podOutput, err := utils.Run(cmd)
				ExpectWithOffset(2, err).NotTo(HaveOccurred())
				podNames := utils.GetNonEmptyLines(string(podOutput))
				if len(podNames) != 1 {
					return fmt.Errorf("expect 1 controller pods running, but got %d", len(podNames))
				}
				controllerPodName = podNames[0]
				ExpectWithOffset(2, controllerPodName).Should(ContainSubstring("controller-manager"))

				// Validate pod status
				//nolint:gosec
				cmd = exec.Command("kubectl", "get", "pods", controllerPodName, "-o", "jsonpath={.status.phase}", "-n", namespace)
				status, err := utils.Run(cmd)
				ExpectWithOffset(2, err).NotTo(HaveOccurred())
				if string(status) != "Running" {
					return fmt.Errorf("controller pod in %s status", status)
				}
				return nil
			}
			EventuallyWithOffset(1, verifyControllerUp, time.Minute, time.Second).Should(Succeed())

		})
	})
})
