package integration

import (
	"fmt"
	"os"

	. "github.com/containers/podman/v3/test/utils"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	. "github.com/onsi/gomega/gexec"
)

var _ = Describe("Podman volume create", func() {
	var (
		tempdir    string
		err        error
		podmanTest *PodmanTestIntegration
	)

	BeforeEach(func() {
		tempdir, err = CreateTempDirInTempDir()
		if err != nil {
			os.Exit(1)
		}
		podmanTest = PodmanTestCreate(tempdir)
		podmanTest.Setup()
		podmanTest.SeedImages()
	})

	AfterEach(func() {
		podmanTest.CleanupVolume()
		f := CurrentGinkgoTestDescription()
		processTestResult(f)

	})

	It("podman create volume", func() {
		session := podmanTest.Podman([]string{"volume", "create"})
		session.WaitWithDefaultTimeout()
		volName := session.OutputToString()
		Expect(session).Should(Exit(0))

		check := podmanTest.Podman([]string{"volume", "ls", "-q"})
		check.WaitWithDefaultTimeout()
		Expect(check.OutputToString()).To(ContainSubstring(volName))
		Expect(check.OutputToStringArray()).To(HaveLen(1))
	})

	It("podman create volume with name", func() {
		session := podmanTest.Podman([]string{"volume", "create", "myvol"})
		session.WaitWithDefaultTimeout()
		volName := session.OutputToString()
		Expect(session).Should(Exit(0))

		check := podmanTest.Podman([]string{"volume", "ls", "-q"})
		check.WaitWithDefaultTimeout()
		Expect(check.OutputToString()).To(ContainSubstring(volName))
		Expect(check.OutputToStringArray()).To(HaveLen(1))
	})

	It("podman create and export volume", func() {
		if podmanTest.RemoteTest {
			Skip("Volume export check does not work with a remote client")
		}

		session := podmanTest.Podman([]string{"volume", "create", "myvol"})
		session.WaitWithDefaultTimeout()
		volName := session.OutputToString()
		Expect(session).Should(Exit(0))

		session = podmanTest.Podman([]string{"run", "--volume", volName + ":/data", ALPINE, "sh", "-c", "echo hello >> " + "/data/test"})
		session.WaitWithDefaultTimeout()
		Expect(session).Should(Exit(0))

		check := podmanTest.Podman([]string{"volume", "export", volName})
		check.WaitWithDefaultTimeout()
		Expect(check.OutputToString()).To(ContainSubstring("hello"))
	})

	It("podman create and import volume", func() {
		if podmanTest.RemoteTest {
			Skip("Volume export check does not work with a remote client")
		}

		session := podmanTest.Podman([]string{"volume", "create", "my_vol"})
		session.WaitWithDefaultTimeout()
		volName := session.OutputToString()
		Expect(session).Should(Exit(0))

		session = podmanTest.Podman([]string{"run", "--volume", volName + ":/data", ALPINE, "sh", "-c", "echo hello >> " + "/data/test"})
		session.WaitWithDefaultTimeout()
		Expect(session).Should(Exit(0))

		session = podmanTest.Podman([]string{"volume", "export", volName, "--output=hello.tar"})
		session.WaitWithDefaultTimeout()
		Expect(session).Should(Exit(0))

		session = podmanTest.Podman([]string{"volume", "create", "my_vol2"})
		session.WaitWithDefaultTimeout()
		Expect(session).Should(Exit(0))

		session = podmanTest.Podman([]string{"volume", "import", "my_vol2", "hello.tar"})
		session.WaitWithDefaultTimeout()
		Expect(session).Should(Exit(0))
		Expect(session.OutputToString()).To(Equal(""), "output of volume import")

		session = podmanTest.Podman([]string{"run", "--volume", "my_vol2:/data", ALPINE, "cat", "/data/test"})
		session.WaitWithDefaultTimeout()
		Expect(session.OutputToString()).To(ContainSubstring("hello"))
	})

	It("podman import volume should fail", func() {
		// try import on volume or source which does not exists
		if podmanTest.RemoteTest {
			Skip("Volume export check does not work with a remote client")
		}

		session := podmanTest.Podman([]string{"volume", "import", "notfound", "notfound.tar"})
		session.WaitWithDefaultTimeout()
		Expect(session).To(ExitWithError())
	})

	It("podman create volume with bad volume option", func() {
		session := podmanTest.Podman([]string{"volume", "create", "--opt", "badOpt=bad"})
		session.WaitWithDefaultTimeout()
		Expect(session).To(ExitWithError())
	})

	It("podman create volume with o=uid,gid", func() {
		volName := "testVol"
		uid := "3000"
		gid := "4000"
		session := podmanTest.Podman([]string{"volume", "create", "--opt", fmt.Sprintf("o=uid=%s,gid=%s", uid, gid), volName})
		session.WaitWithDefaultTimeout()
		Expect(session).Should(Exit(0))

		inspectUID := podmanTest.Podman([]string{"volume", "inspect", "--format", "{{ .UID }}", volName})
		inspectUID.WaitWithDefaultTimeout()
		Expect(inspectUID).Should(Exit(0))
		Expect(inspectUID.OutputToString()).To(Equal(uid))

		inspectGID := podmanTest.Podman([]string{"volume", "inspect", "--format", "{{ .GID }}", volName})
		inspectGID.WaitWithDefaultTimeout()
		Expect(inspectGID).Should(Exit(0))
		Expect(inspectGID.OutputToString()).To(Equal(gid))

		// options should containt `uid=3000,gid=4000:3000:4000`
		optionFormat := `{{ .Options.o }}:{{ .Options.UID }}:{{ .Options.GID }}`
		optionStrFormatExpect := fmt.Sprintf(`uid=%s,gid=%s:%s:%s`, uid, gid, uid, gid)
		inspectOpts := podmanTest.Podman([]string{"volume", "inspect", "--format", optionFormat, volName})
		inspectOpts.WaitWithDefaultTimeout()
		Expect(inspectOpts).Should(Exit(0))
		Expect(inspectOpts.OutputToString()).To(Equal(optionStrFormatExpect))
	})
})