package integration

import (
	"fmt"
	"os"

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

var _ = Describe("Podman top", func() {
	var (
		tempdir    string
		err        error
		podmanTest PodmanTest
	)

	BeforeEach(func() {
		tempdir, err = CreateTempDirInTempDir()
		if err != nil {
			os.Exit(1)
		}
		podmanTest = PodmanCreate(tempdir)
		podmanTest.RestoreAllArtifacts()
	})

	AfterEach(func() {
		podmanTest.CleanupPod()
		f := CurrentGinkgoTestDescription()
		timedResult := fmt.Sprintf("Test: %s completed in %f seconds", f.TestText, f.Duration.Seconds())
		GinkgoWriter.Write([]byte(timedResult))
	})

	It("podman pod top without pod name or id", func() {
		result := podmanTest.Podman([]string{"pod", "top"})
		result.WaitWithDefaultTimeout()
		Expect(result.ExitCode()).To(Equal(125))
	})

	It("podman pod top on bogus pod", func() {
		result := podmanTest.Podman([]string{"pod", "top", "1234"})
		result.WaitWithDefaultTimeout()
		Expect(result.ExitCode()).To(Equal(125))
	})

	It("podman pod top on non-running pod", func() {
		session := podmanTest.Podman([]string{"pod", "create"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		podid := session.OutputToString()

		result := podmanTest.Podman([]string{"top", podid})
		result.WaitWithDefaultTimeout()
		Expect(result.ExitCode()).To(Equal(125))
	})

	It("podman pod top on pod", func() {
		session := podmanTest.Podman([]string{"pod", "create"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		podid := session.OutputToString()

		session = podmanTest.Podman([]string{"run", "-d", "--pod", podid, ALPINE, "top", "-d", "2"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		result := podmanTest.Podman([]string{"pod", "top", "-l"})
		result.WaitWithDefaultTimeout()
		Expect(result.ExitCode()).To(Equal(0))
		Expect(len(result.OutputToStringArray())).To(BeNumerically(">", 1))
	})

	It("podman pod top with options", func() {
		session := podmanTest.Podman([]string{"pod", "create"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		podid := session.OutputToString()

		session = podmanTest.Podman([]string{"run", "-d", "--pod", podid, ALPINE, "top", "-d", "2"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		result := podmanTest.Podman([]string{"pod", "top", podid, "pid", "%C", "args"})
		result.WaitWithDefaultTimeout()
		Expect(result.ExitCode()).To(Equal(0))
		Expect(len(result.OutputToStringArray())).To(BeNumerically(">", 1))
	})

	It("podman pod top on pod invalid options", func() {
		session := podmanTest.Podman([]string{"pod", "create"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		podid := session.OutputToString()

		session = podmanTest.Podman([]string{"run", "-d", "--pod", podid, ALPINE, "top", "-d", "2"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		result := podmanTest.Podman([]string{"pod", "top", podid, "invalid"})
		result.WaitWithDefaultTimeout()
		Expect(result.ExitCode()).To(Equal(125))
	})

	It("podman pod top on pod with containers in same pid namespace", func() {
		session := podmanTest.Podman([]string{"pod", "create"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		podid := session.OutputToString()

		session = podmanTest.Podman([]string{"run", "-d", "--pod", podid, ALPINE, "top", "-d", "2"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		cid := session.OutputToString()

		session = podmanTest.Podman([]string{"run", "-d", "--pod", podid, "--pid", fmt.Sprintf("container:%s", cid), ALPINE, "top", "-d", "2"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		result := podmanTest.Podman([]string{"pod", "top", podid})
		result.WaitWithDefaultTimeout()
		Expect(result.ExitCode()).To(Equal(0))
		Expect(len(result.OutputToStringArray())).To(Equal(4))
	})

	It("podman pod top on pod with containers in different namespace", func() {
		session := podmanTest.Podman([]string{"pod", "create"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		podid := session.OutputToString()

		session = podmanTest.Podman([]string{"run", "-d", "--pod", podid, ALPINE, "top", "-d", "2"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		session = podmanTest.Podman([]string{"run", "-d", "--pod", podid, ALPINE, "top", "-d", "2"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		result := podmanTest.Podman([]string{"pod", "top", podid})
		result.WaitWithDefaultTimeout()
		Expect(result.ExitCode()).To(Equal(0))
		Expect(len(result.OutputToStringArray())).To(Equal(4))
	})
})