/*
 *     Copyright 2024 The Dragonfly 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 e2e

import (
	"fmt"
	"time"

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

	"d7y.io/dragonfly/v2/test/e2e/util"
)

var _ = Describe("Download Using Proxy", func() {
	Context("1MiB file", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize1MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("proxy", "download"), func() {
			clientPod, err := util.ClientExec()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := clientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -H 'X-Dragonfly-Tag: proxy' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByTaskID([]*util.PodExec{clientPod}, testFile.GetTaskID(util.WithTaskIDTag("proxy")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			sha256sum, err = util.CalculateSha256ByOutput([]*util.PodExec{clientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			time.Sleep(1 * time.Second)
			seedClientPods := make([]*util.PodExec, 3)
			for i := range 3 {
				seedClientPods[i], err = util.SeedClientExec(i)
				fmt.Println(err)
				Expect(err).NotTo(HaveOccurred())
			}

			sha256sum, err = util.CalculateSha256ByTaskID(seedClientPods, testFile.GetTaskID(util.WithTaskIDTag("proxy")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("10MiB file", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize10MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("proxy", "download"), func() {
			clientPod, err := util.ClientExec()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := clientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -H 'X-Dragonfly-Tag: proxy' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByTaskID([]*util.PodExec{clientPod}, testFile.GetTaskID(util.WithTaskIDTag("proxy")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			sha256sum, err = util.CalculateSha256ByOutput([]*util.PodExec{clientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			time.Sleep(1 * time.Second)
			seedClientPods := make([]*util.PodExec, 3)
			for i := range 3 {
				seedClientPods[i], err = util.SeedClientExec(i)
				fmt.Println(err)
				Expect(err).NotTo(HaveOccurred())
			}

			sha256sum, err = util.CalculateSha256ByTaskID(seedClientPods, testFile.GetTaskID(util.WithTaskIDTag("proxy")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("100MiB file", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize100MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("proxy", "download"), func() {
			clientPod, err := util.ClientExec()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := clientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -H 'X-Dragonfly-Tag: proxy' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByTaskID([]*util.PodExec{clientPod}, testFile.GetTaskID(util.WithTaskIDTag("proxy")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			sha256sum, err = util.CalculateSha256ByOutput([]*util.PodExec{clientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			time.Sleep(1 * time.Second)
			seedClientPods := make([]*util.PodExec, 3)
			for i := range 3 {
				seedClientPods[i], err = util.SeedClientExec(i)
				fmt.Println(err)
				Expect(err).NotTo(HaveOccurred())
			}

			sha256sum, err = util.CalculateSha256ByTaskID(seedClientPods, testFile.GetTaskID(util.WithTaskIDTag("proxy")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("500MiB file", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize500MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("proxy", "download"), func() {
			clientPod, err := util.ClientExec()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := clientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -H 'X-Dragonfly-Tag: proxy' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByTaskID([]*util.PodExec{clientPod}, testFile.GetTaskID(util.WithTaskIDTag("proxy")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			sha256sum, err = util.CalculateSha256ByOutput([]*util.PodExec{clientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			time.Sleep(1 * time.Second)
			seedClientPods := make([]*util.PodExec, 3)
			for i := range 3 {
				seedClientPods[i], err = util.SeedClientExec(i)
				fmt.Println(err)
				Expect(err).NotTo(HaveOccurred())
			}

			sha256sum, err = util.CalculateSha256ByTaskID(seedClientPods, testFile.GetTaskID(util.WithTaskIDTag("proxy")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("1GiB file", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize1GiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("proxy", "download"), func() {
			clientPod, err := util.ClientExec()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := clientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -H 'X-Dragonfly-Tag: proxy' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByTaskID([]*util.PodExec{clientPod}, testFile.GetTaskID(util.WithTaskIDTag("proxy")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			sha256sum, err = util.CalculateSha256ByOutput([]*util.PodExec{clientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			time.Sleep(1 * time.Second)
			seedClientPods := make([]*util.PodExec, 3)
			for i := range 3 {
				seedClientPods[i], err = util.SeedClientExec(i)
				fmt.Println(err)
				Expect(err).NotTo(HaveOccurred())
			}

			sha256sum, err = util.CalculateSha256ByTaskID(seedClientPods, testFile.GetTaskID(util.WithTaskIDTag("proxy")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("1MiB file and set range header bytes=-100", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize1MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("proxy", "download", "range: bytes=-100"), func() {
			clientPod, err := util.ClientExec()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := clientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -r -100 -H 'X-Dragonfly-Tag: proxy-bytes-100' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByTaskID([]*util.PodExec{clientPod}, testFile.GetTaskID(util.WithTaskIDTag("proxy-bytes-100")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			sha256sum, err = util.CalculateSha256ByOutput([]*util.PodExec{clientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetRangeSha256("-100", testFile.GetInfo().Size())).To(Equal(sha256sum))

			time.Sleep(1 * time.Second)
			seedClientPods := make([]*util.PodExec, 3)
			for i := range 3 {
				seedClientPods[i], err = util.SeedClientExec(i)
				fmt.Println(err)
				Expect(err).NotTo(HaveOccurred())
			}

			sha256sum, err = util.CalculateSha256ByTaskID(seedClientPods, testFile.GetTaskID(util.WithTaskIDTag("proxy-bytes-100")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("1MiB file and set range header bytes=0-100", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize1MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("proxy", "download", "range: bytes=0-100"), func() {
			clientPod, err := util.ClientExec()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := clientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -r 0-100 -H 'X-Dragonfly-Tag: proxy-bytes-0-100' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByTaskID([]*util.PodExec{clientPod}, testFile.GetTaskID(util.WithTaskIDTag("proxy-bytes-0-100")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			sha256sum, err = util.CalculateSha256ByOutput([]*util.PodExec{clientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetRangeSha256("0-100", testFile.GetInfo().Size())).To(Equal(sha256sum))

			time.Sleep(1 * time.Second)
			seedClientPods := make([]*util.PodExec, 3)
			for i := range 3 {
				seedClientPods[i], err = util.SeedClientExec(i)
				fmt.Println(err)
				Expect(err).NotTo(HaveOccurred())
			}

			sha256sum, err = util.CalculateSha256ByTaskID(seedClientPods, testFile.GetTaskID(util.WithTaskIDTag("proxy-bytes-0-100")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("1MiB file and set range header bytes=100-", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize1MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("proxy", "download", "range: bytes=100-"), func() {
			clientPod, err := util.ClientExec()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := clientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -r 100- -H 'X-Dragonfly-Tag: proxy-bytes-100-' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByTaskID([]*util.PodExec{clientPod}, testFile.GetTaskID(util.WithTaskIDTag("proxy-bytes-100-")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			sha256sum, err = util.CalculateSha256ByOutput([]*util.PodExec{clientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetRangeSha256("100-", testFile.GetInfo().Size())).To(Equal(sha256sum))

			time.Sleep(1 * time.Second)
			seedClientPods := make([]*util.PodExec, 3)
			for i := range 3 {
				seedClientPods[i], err = util.SeedClientExec(i)
				fmt.Println(err)
				Expect(err).NotTo(HaveOccurred())
			}

			sha256sum, err = util.CalculateSha256ByTaskID(seedClientPods, testFile.GetTaskID(util.WithTaskIDTag("proxy-bytes-100-")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("1MiB file and set range header bytes=100-500", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize1MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("proxy", "download", "range: bytes=100-500"), func() {
			clientPod, err := util.ClientExec()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := clientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -r 100-500 -H 'X-Dragonfly-Tag: proxy-bytes-100-500' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByTaskID([]*util.PodExec{clientPod}, testFile.GetTaskID(util.WithTaskIDTag("proxy-bytes-100-500")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			sha256sum, err = util.CalculateSha256ByOutput([]*util.PodExec{clientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetRangeSha256("100-500", testFile.GetInfo().Size())).To(Equal(sha256sum))

			time.Sleep(1 * time.Second)
			seedClientPods := make([]*util.PodExec, 3)
			for i := range 3 {
				seedClientPods[i], err = util.SeedClientExec(i)
				fmt.Println(err)
				Expect(err).NotTo(HaveOccurred())
			}

			sha256sum, err = util.CalculateSha256ByTaskID(seedClientPods, testFile.GetTaskID(util.WithTaskIDTag("proxy-bytes-100-500")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("1MiB file and set range header bytes=0-1048575", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize1MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("proxy", "download", "range: bytes=0-1048575"), func() {
			clientPod, err := util.ClientExec()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := clientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -r 0-1048575 -H 'X-Dragonfly-Tag: proxy-bytes-0-1048575' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByTaskID([]*util.PodExec{clientPod}, testFile.GetTaskID(util.WithTaskIDTag("proxy-bytes-0-1048575")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			sha256sum, err = util.CalculateSha256ByOutput([]*util.PodExec{clientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetRangeSha256("0-1048575", testFile.GetInfo().Size())).To(Equal(sha256sum))

			time.Sleep(1 * time.Second)
			seedClientPods := make([]*util.PodExec, 3)
			for i := range 3 {
				seedClientPods[i], err = util.SeedClientExec(i)
				fmt.Println(err)
				Expect(err).NotTo(HaveOccurred())
			}

			sha256sum, err = util.CalculateSha256ByTaskID(seedClientPods, testFile.GetTaskID(util.WithTaskIDTag("proxy-bytes-0-1048575")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("1MiB file and set range header bytes=100-10240", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize1MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("proxy", "download", "range: bytes=100-10240"), func() {
			clientPod, err := util.ClientExec()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := clientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -r 100-10240 -H 'X-Dragonfly-Tag: proxy-bytes-100-10240' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByTaskID([]*util.PodExec{clientPod}, testFile.GetTaskID(util.WithTaskIDTag("proxy-bytes-100-10240")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			sha256sum, err = util.CalculateSha256ByOutput([]*util.PodExec{clientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetRangeSha256("100-10240", testFile.GetInfo().Size())).To(Equal(sha256sum))

			time.Sleep(1 * time.Second)
			seedClientPods := make([]*util.PodExec, 3)
			for i := range 3 {
				seedClientPods[i], err = util.SeedClientExec(i)
				fmt.Println(err)
				Expect(err).NotTo(HaveOccurred())
			}

			sha256sum, err = util.CalculateSha256ByTaskID(seedClientPods, testFile.GetTaskID(util.WithTaskIDTag("proxy-bytes-100-10240")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("/bin/kubectl file and set range header bytes=100-1024", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize1MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("proxy", "download", "range: bytes=100-1024"), func() {
			clientPod, err := util.ClientExec()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := clientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -r 100-1024 -H 'X-Dragonfly-Tag: proxy-bytes-100-1024' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByTaskID([]*util.PodExec{clientPod}, testFile.GetTaskID(util.WithTaskIDTag("proxy-bytes-100-1024")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			sha256sum, err = util.CalculateSha256ByOutput([]*util.PodExec{clientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetRangeSha256("100-1024", testFile.GetInfo().Size())).To(Equal(sha256sum))

			time.Sleep(1 * time.Second)
			seedClientPods := make([]*util.PodExec, 3)
			for i := range 3 {
				seedClientPods[i], err = util.SeedClientExec(i)
				fmt.Println(err)
				Expect(err).NotTo(HaveOccurred())
			}

			sha256sum, err = util.CalculateSha256ByTaskID(seedClientPods, testFile.GetTaskID(util.WithTaskIDTag("proxy-bytes-100-1024")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})
})

var _ = Describe("Download Using Prefetch Proxy", func() {
	Context("1MiB file", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize1MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("prefetch-proxy", "download"), func() {
			seedClientPod, err := util.SeedClientExec(0)
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := seedClientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -H 'X-Dragonfly-Tag: prefetch-proxy' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByTaskID([]*util.PodExec{seedClientPod}, testFile.GetTaskID(util.WithTaskIDTag("prefetch-proxy")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			sha256sum, err = util.CalculateSha256ByOutput([]*util.PodExec{seedClientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("10MiB file", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize10MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("prefetch-proxy", "download"), func() {
			seedClientPod, err := util.SeedClientExec(0)
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := seedClientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -H 'X-Dragonfly-Tag: prefetch-proxy' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByTaskID([]*util.PodExec{seedClientPod}, testFile.GetTaskID(util.WithTaskIDTag("prefetch-proxy")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			sha256sum, err = util.CalculateSha256ByOutput([]*util.PodExec{seedClientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("100MiB file", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize100MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("prefetch-proxy", "download"), func() {
			seedClientPod, err := util.SeedClientExec(0)
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := seedClientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -H 'X-Dragonfly-Tag: prefetch-proxy' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByTaskID([]*util.PodExec{seedClientPod}, testFile.GetTaskID(util.WithTaskIDTag("prefetch-proxy")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			sha256sum, err = util.CalculateSha256ByOutput([]*util.PodExec{seedClientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("500MiB file", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize500MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("prefetch-proxy", "download"), func() {
			seedClientPod, err := util.SeedClientExec(0)
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := seedClientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -H 'X-Dragonfly-Tag: prefetch-proxy' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByTaskID([]*util.PodExec{seedClientPod}, testFile.GetTaskID(util.WithTaskIDTag("prefetch-proxy")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			sha256sum, err = util.CalculateSha256ByOutput([]*util.PodExec{seedClientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("1GiB file", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize1GiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("prefetch-proxy", "download"), func() {
			seedClientPod, err := util.SeedClientExec(0)
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := seedClientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -H 'X-Dragonfly-Tag: prefetch-proxy' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByTaskID([]*util.PodExec{seedClientPod}, testFile.GetTaskID(util.WithTaskIDTag("prefetch-proxy")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))

			sha256sum, err = util.CalculateSha256ByOutput([]*util.PodExec{seedClientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("1MiB file and set range header bytes=-100", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize1MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("prefetch-proxy", "download", "range: bytes=-100"), func() {
			seedClientPod, err := util.SeedClientExec(0)
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := seedClientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -r -100 -H 'X-Dragonfly-Tag: prefetch-proxy-bytes-100' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByOutput([]*util.PodExec{seedClientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetRangeSha256("-100", testFile.GetInfo().Size())).To(Equal(sha256sum))

			time.Sleep(1 * time.Second)
			sha256sum, err = util.CalculateSha256ByTaskID([]*util.PodExec{seedClientPod}, testFile.GetTaskID(util.WithTaskIDTag("prefetch-proxy-bytes-100")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("1MiB file and set range header bytes=0-100", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize1MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("prefetch-proxy", "download", "range: bytes=0-100"), func() {
			seedClientPod, err := util.SeedClientExec(0)
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := seedClientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -r 0-100 -H 'X-Dragonfly-Tag: prefetch-proxy-bytes-0-100' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByOutput([]*util.PodExec{seedClientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetRangeSha256("0-100", testFile.GetInfo().Size())).To(Equal(sha256sum))

			time.Sleep(1 * time.Second)
			sha256sum, err = util.CalculateSha256ByTaskID([]*util.PodExec{seedClientPod}, testFile.GetTaskID(util.WithTaskIDTag("prefetch-proxy-bytes-0-100")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("1MiB file and set range header bytes=100-", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize1MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("prefetch-proxy", "download", "range: bytes=100-"), func() {
			seedClientPod, err := util.SeedClientExec(0)
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := seedClientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -r 100- -H 'X-Dragonfly-Tag: prefetch-proxy-bytes-100-' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByOutput([]*util.PodExec{seedClientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetRangeSha256("100-", testFile.GetInfo().Size())).To(Equal(sha256sum))

			time.Sleep(1 * time.Second)
			sha256sum, err = util.CalculateSha256ByTaskID([]*util.PodExec{seedClientPod}, testFile.GetTaskID(util.WithTaskIDTag("prefetch-proxy-bytes-100-")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("1MiB file and set range header bytes=100-1048575", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize1MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("prefetch-proxy", "download", "range: bytes=100-1048575"), func() {
			seedClientPod, err := util.SeedClientExec(0)
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := seedClientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -r 100-1048575 -H 'X-Dragonfly-Tag: prefetch-proxy-bytes-100-1048575' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByOutput([]*util.PodExec{seedClientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetRangeSha256("100-1048575", testFile.GetInfo().Size())).To(Equal(sha256sum))

			time.Sleep(1 * time.Second)
			sha256sum, err = util.CalculateSha256ByTaskID([]*util.PodExec{seedClientPod}, testFile.GetTaskID(util.WithTaskIDTag("prefetch-proxy-bytes-100-1048575")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("1MiB file and set range header bytes=0-1048575", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize1MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("prefetch-proxy", "download", "range: bytes=0-1048575"), func() {
			seedClientPod, err := util.SeedClientExec(0)
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := seedClientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -r 0-1048575 -H 'X-Dragonfly-Tag: prefetch-proxy-bytes-0-1048575' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByOutput([]*util.PodExec{seedClientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetRangeSha256("0-1048575", testFile.GetInfo().Size())).To(Equal(sha256sum))

			time.Sleep(1 * time.Second)
			sha256sum, err = util.CalculateSha256ByTaskID([]*util.PodExec{seedClientPod}, testFile.GetTaskID(util.WithTaskIDTag("prefetch-proxy-bytes-0-1048575")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("1MiB file and set range header bytes=100-10240", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize1MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("prefetch-proxy", "download", "range: bytes=100-10240"), func() {
			seedClientPod, err := util.SeedClientExec(0)
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := seedClientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -r 100-10240 -H 'X-Dragonfly-Tag: prefetch-proxy-bytes-100-10240' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByOutput([]*util.PodExec{seedClientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetRangeSha256("100-10240", testFile.GetInfo().Size())).To(Equal(sha256sum))

			time.Sleep(1 * time.Second)
			sha256sum, err = util.CalculateSha256ByTaskID([]*util.PodExec{seedClientPod}, testFile.GetTaskID(util.WithTaskIDTag("prefetch-proxy-bytes-100-10240")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})

	Context("1MiB file and set range header bytes=100-1024", func() {
		var (
			testFile *util.File
			err      error
		)

		BeforeEach(func() {
			testFile, err = util.GetFileServer().GenerateFile(util.FileSize1MiB)
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile).NotTo(BeNil())
		})

		AfterEach(func() {
			err = util.GetFileServer().DeleteFile(testFile.GetInfo())
			Expect(err).NotTo(HaveOccurred())
		})

		It("download should be ok", Label("prefetch-proxy", "download", "range: bytes=100-1024"), func() {
			seedClientPod, err := util.SeedClientExec(0)
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())

			out, err := seedClientPod.Command("sh", "-c", fmt.Sprintf("curl -x 127.0.0.1:4001 -r 100-1024 -H 'X-Dragonfly-Tag: prefetch-proxy-bytes-100-1024' %s --output %s", testFile.GetDownloadURL(), testFile.GetOutputPath())).CombinedOutput()
			fmt.Println(err)
			Expect(err).NotTo(HaveOccurred())
			fmt.Println(string(out))

			sha256sum, err := util.CalculateSha256ByOutput([]*util.PodExec{seedClientPod}, testFile.GetOutputPath())
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetRangeSha256("100-1024", testFile.GetInfo().Size())).To(Equal(sha256sum))

			time.Sleep(1 * time.Second)
			sha256sum, err = util.CalculateSha256ByTaskID([]*util.PodExec{seedClientPod}, testFile.GetTaskID(util.WithTaskIDTag("prefetch-proxy-bytes-100-1024")))
			Expect(err).NotTo(HaveOccurred())
			Expect(testFile.GetSha256()).To(Equal(sha256sum))
		})
	})
})