/*
    _____           _____   _____   ____          ______  _____  ------
   |     |  |      |     | |     | |     |     | |       |            |
   |     |  |      |     | |     | |     |     | |       |            |
   | --- |  |      |     | |-----| |---- |     | |-----| |-----  ------
   |     |  |      |     | |     | |     |     |       | |       |
   | ____|  |_____ | ____| | ____| |     |_____|  _____| |_____  |_____


   Licensed under the MIT License <http://opensource.org/licenses/MIT>.

   Copyright © 2020-2023 Microsoft Corporation. All rights reserved.
   Author : <blobfusedev@microsoft.com>

   Permission is hereby granted, free of charge, to any person obtaining a copy
   of this software and associated documentation files (the "Software"), to deal
   in the Software without restriction, including without limitation the rights
   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   copies of the Software, and to permit persons to whom the Software is
   furnished to do so, subject to the following conditions:

   The above copyright notice and this permission notice shall be included in all
   copies or substantial portions of the Software.

   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   SOFTWARE
*/

package cmd

import (
	"bytes"
	"fmt"
	"math/rand"
	"os"
	"testing"
	"time"

	"github.com/Azure/azure-storage-fuse/v2/common"
	"github.com/Azure/azure-storage-fuse/v2/common/config"
	"github.com/Azure/azure-storage-fuse/v2/common/log"
	"github.com/Azure/azure-storage-fuse/v2/component/attr_cache"
	"github.com/Azure/azure-storage-fuse/v2/component/azstorage"
	"github.com/Azure/azure-storage-fuse/v2/component/file_cache"
	"github.com/Azure/azure-storage-fuse/v2/component/stream"

	"github.com/spf13/cobra"
	"github.com/spf13/pflag"
	"github.com/spf13/viper"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/suite"
)

type generateConfigTestSuite struct {
	suite.Suite
	assert *assert.Assertions
}

func (suite *generateConfigTestSuite) SetupTest() {
	suite.assert = assert.New(suite.T())
	libfuseOptions = make([]string, 0)
	err := log.SetDefaultLogger("silent", common.LogConfig{Level: common.ELogLevel.LOG_DEBUG()})
	if err != nil {
		panic("Unable to set silent logger as default.")
	}
}

func (suite *generateConfigTestSuite) cleanupTest() {
	resetCLIFlags(*generateConfigCmd)
	resetGenOneOptions()
	viper.Reset()
}

// Taken from cobra library's testing https://github.com/spf13/cobra/blob/master/command_test.go#L34
func executeCommandC(root *cobra.Command, args ...string) (output string, err error) {
	buf := new(bytes.Buffer)
	root.SetOut(buf)
	root.SetErr(buf)
	root.SetArgs(args)

	err = root.Execute()

	return buf.String(), err
}

func resetCLIFlags(cmd cobra.Command) {
	// reset all CLI flags before next test
	cmd.Flags().VisitAll(func(f *pflag.Flag) {
		f.Changed = false
	})
	viper.Reset()
}

func TestGenerateConfig(t *testing.T) {
	suite.Run(t, new(generateConfigTestSuite))
}

func randomString(length int) string {
	rand.Seed(time.Now().UnixNano())
	b := make([]byte, length)
	rand.Read(b)
	return fmt.Sprintf("%x", b)[:length]
}

func generateFileName() string {
	return "file" + randomString(8)
}

func (suite *generateConfigTestSuite) TestConfigFileInvalid() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v1ConfigFile.Name())
	defer os.Remove(v2ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName myOtherAccountName")

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", fmt.Sprintf("--output-file=%s", v2ConfigFile.Name()), fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.NotNil(err)
}

func (suite *generateConfigTestSuite) TestConfigFileKey() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v1ConfigFile.Name())
	defer os.Remove(v2ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName\naccountKey myAccountKey\nauthType Key\ncontainerName myContainerName\n")

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", fmt.Sprintf("--output-file=%s", v2ConfigFile.Name()), fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)

	// Read the generated v2 config file
	options := azstorage.AzStorageOptions{}

	viper.SetConfigType("yaml")
	config.ReadFromConfigFile(v2ConfigFile.Name())
	config.UnmarshalKey("azstorage", &options)

	suite.assert.EqualValues("myAccountName", options.AccountName)
	suite.assert.EqualValues("myAccountKey", options.AccountKey)
	suite.assert.EqualValues("key", options.AuthMode)
	suite.assert.EqualValues("myContainerName", options.Container)
	suite.assert.EqualValues("https://myAccountName.blob.core.windows.net", options.Endpoint)
}

func (suite *generateConfigTestSuite) TestConfigFileSas() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v1ConfigFile.Name())
	defer os.Remove(v2ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName\nsasToken mySasToken\nauthType SAS\ncontainerName myContainerName\n")

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", fmt.Sprintf("--output-file=%s", v2ConfigFile.Name()), fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)

	// Read the generated v2 config file
	options := azstorage.AzStorageOptions{}

	viper.SetConfigType("yaml")
	config.ReadFromConfigFile(v2ConfigFile.Name())
	config.UnmarshalKey("azstorage", &options)

	suite.assert.EqualValues("myAccountName", options.AccountName)
	suite.assert.EqualValues("mySasToken", options.SaSKey)
	suite.assert.EqualValues("sas", options.AuthMode)
	suite.assert.EqualValues("myContainerName", options.Container)
	suite.assert.EqualValues("https://myAccountName.blob.core.windows.net", options.Endpoint)
}

func (suite *generateConfigTestSuite) TestConfigFileSPN() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v1ConfigFile.Name())
	defer os.Remove(v2ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName\nservicePrincipalClientId clientId\nservicePrincipalTenantId tenantId\nservicePrincipalClientSecret clientSecret\naadEndpoint aadEndpoint\nauthType SPN\ncontainerName myContainerName\n")

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", fmt.Sprintf("--output-file=%s", v2ConfigFile.Name()), fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)

	// Read the generated v2 config file
	options := azstorage.AzStorageOptions{}

	viper.SetConfigType("yaml")
	config.ReadFromConfigFile(v2ConfigFile.Name())
	config.UnmarshalKey("azstorage", &options)

	suite.assert.EqualValues("myAccountName", options.AccountName)
	suite.assert.EqualValues("clientId", options.ClientID)
	suite.assert.EqualValues("tenantId", options.TenantID)
	suite.assert.EqualValues("clientSecret", options.ClientSecret)
	suite.assert.EqualValues("aadEndpoint", options.ActiveDirectoryEndpoint)
	suite.assert.EqualValues("spn", options.AuthMode)
	suite.assert.EqualValues("myContainerName", options.Container)
	suite.assert.EqualValues("https://myAccountName.blob.core.windows.net", options.Endpoint)
}
func (suite *generateConfigTestSuite) TestConfigFileMSI() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v1ConfigFile.Name())
	defer os.Remove(v2ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName\nidentityClientId clientId\nidentityObjectId objectId\nidentityResourceId resourceId\nauthType MSI\ncontainerName myContainerName\n")

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", fmt.Sprintf("--output-file=%s", v2ConfigFile.Name()), fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)

	// Read the generated v2 config file
	options := azstorage.AzStorageOptions{}

	viper.SetConfigType("yaml")
	config.ReadFromConfigFile(v2ConfigFile.Name())
	config.UnmarshalKey("azstorage", &options)

	suite.assert.EqualValues("myAccountName", options.AccountName)
	suite.assert.EqualValues("clientId", options.ApplicationID)
	suite.assert.EqualValues("objectId", options.ObjectID)
	suite.assert.EqualValues("resourceId", options.ResourceID)
	suite.assert.EqualValues("msi", options.AuthMode)
	suite.assert.EqualValues("myContainerName", options.Container)
	suite.assert.EqualValues("https://myAccountName.blob.core.windows.net", options.Endpoint)
}

func (suite *generateConfigTestSuite) TestConfigFileProxy() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v1ConfigFile.Name())
	defer os.Remove(v2ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName\nhttpProxy httpProxy\nhttpsProxy httpsProxy\n")

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", fmt.Sprintf("--output-file=%s", v2ConfigFile.Name()), fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)

	// Read the generated v2 config file
	options := azstorage.AzStorageOptions{}

	viper.SetConfigType("yaml")
	config.ReadFromConfigFile(v2ConfigFile.Name())
	config.UnmarshalKey("azstorage", &options)

	suite.assert.EqualValues("httpProxy", options.HttpProxyAddress)
	suite.assert.EqualValues("httpsProxy", options.HttpsProxyAddress)
}

func (suite *generateConfigTestSuite) TestConfigFileBlobEndpoint() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v1ConfigFile.Name())
	defer os.Remove(v2ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName\nblobEndpoint blobEndpoint\n")

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", fmt.Sprintf("--output-file=%s", v2ConfigFile.Name()), fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)

	// Read the generated v2 config file
	options := azstorage.AzStorageOptions{}

	viper.SetConfigType("yaml")
	config.ReadFromConfigFile(v2ConfigFile.Name())
	config.UnmarshalKey("azstorage", &options)

	suite.assert.EqualValues("blobEndpoint", options.Endpoint)
}

func (suite *generateConfigTestSuite) TestConfigFileAccountType() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v1ConfigFile.Name())
	defer os.Remove(v2ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName\naccountType adls\n")

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", fmt.Sprintf("--output-file=%s", v2ConfigFile.Name()), fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)

	// Read the generated v2 config file
	options := azstorage.AzStorageOptions{}

	viper.SetConfigType("yaml")
	config.ReadFromConfigFile(v2ConfigFile.Name())
	config.UnmarshalKey("azstorage", &options)

	suite.assert.EqualValues("adls", options.AccountType)
	suite.assert.EqualValues("https://myAccountName.dfs.core.windows.net", options.Endpoint)
}

func (suite *generateConfigTestSuite) TestConfigFileAuthMode() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v1ConfigFile.Name())
	defer os.Remove(v2ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName\nauthType Key\n")

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", fmt.Sprintf("--output-file=%s", v2ConfigFile.Name()), fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)

	// Read the generated v2 config file
	options := azstorage.AzStorageOptions{}

	viper.SetConfigType("yaml")
	config.ReadFromConfigFile(v2ConfigFile.Name())
	config.UnmarshalKey("azstorage", &options)

	suite.assert.EqualValues("key", options.AuthMode)
}

func (suite *generateConfigTestSuite) TestConfigFileLogLevel() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v1ConfigFile.Name())
	defer os.Remove(v2ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName\nlogLevel LOG_ERROR\n")

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", fmt.Sprintf("--output-file=%s", v2ConfigFile.Name()), fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)

	// Read the generated v2 config file
	options := LogOptions{}

	viper.SetConfigType("yaml")
	config.ReadFromConfigFile(v2ConfigFile.Name())
	config.UnmarshalKey("logging", &options)

	suite.assert.EqualValues("LOG_ERROR", options.LogLevel)
}

func (suite *generateConfigTestSuite) TestConfigFileIgnoreCommentsNewLine() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v1ConfigFile.Name())
	defer os.Remove(v2ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName\nlogLevel LOG_ERROR\n# accountName myAccountName\n")

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", fmt.Sprintf("--output-file=%s", v2ConfigFile.Name()), fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)

	// Read the generated v2 config file
	options := LogOptions{}

	viper.SetConfigType("yaml")
	config.ReadFromConfigFile(v2ConfigFile.Name())
	config.UnmarshalKey("logging", &options)

	suite.assert.EqualValues("LOG_ERROR", options.LogLevel)
}

func (suite *generateConfigTestSuite) TestConfigFileIgnoreCommentsSameLine() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v1ConfigFile.Name())
	defer os.Remove(v2ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName\nlogLevel LOG_ERROR #LOG_DEBUG\n")

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", fmt.Sprintf("--output-file=%s", v2ConfigFile.Name()), fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)

	// Read the generated v2 config file
	options := LogOptions{}

	viper.SetConfigType("yaml")
	config.ReadFromConfigFile(v2ConfigFile.Name())
	config.UnmarshalKey("logging", &options)

	suite.assert.EqualValues("LOG_ERROR", options.LogLevel)
}

func (suite *generateConfigTestSuite) TestConfigFileCaCertFileError() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v1ConfigFile.Name())
	defer os.Remove(v2ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName\ncaCertFile caCertFile\n")

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", fmt.Sprintf("--output-file=%s", v2ConfigFile.Name()), fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.NotNil(err)
}

func (suite *generateConfigTestSuite) TestConfigFileDnsTypeError() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v1ConfigFile.Name())
	defer os.Remove(v2ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName\ndnsType dnsType\n")

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", fmt.Sprintf("--output-file=%s", v2ConfigFile.Name()), fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.NotNil(err)
}

func (suite *generateConfigTestSuite) TestConfigCLILogLevel() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v1ConfigFile.Name())
	defer os.Remove(v2ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName\nlogLevel LOG_ERROR\n")
	logLevel := "--log-level=LOG_DEBUG"
	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", logLevel, fmt.Sprintf("--output-file=%s", v2ConfigFile.Name()), fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)

	// Read the generated v2 config file
	options := LogOptions{}

	viper.SetConfigType("yaml")
	config.ReadFromConfigFile(v2ConfigFile.Name())
	config.UnmarshalKey("logging", &options)

	suite.assert.EqualValues("LOG_DEBUG", options.LogLevel)
}

func (suite *generateConfigTestSuite) TestCLIParamLogging() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName")

	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())
	logLevel := "--log-level=LOG_DEBUG"

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", outputFile, logLevel, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)

	// Read the generated v2 config file
	options := LogOptions{}

	viper.SetConfigType("yaml")
	config.ReadFromConfigFile(v2ConfigFile.Name())
	config.UnmarshalKey("logging", &options)

	suite.assert.EqualValues("LOG_DEBUG", options.LogLevel)
}

func (suite *generateConfigTestSuite) TestCLIParamFileCache() {
	defer suite.cleanupTest()
	name := generateFileName()

	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())
	tmpPath := "--tmp-path=fileCachePath"
	size := "--cache-size-mb=15"
	timeout := "--file-cache-timeout-in-seconds=60"
	maxEviction := "--max-eviction=7"
	high := "--high-disk-threshold=60"
	low := "--low-disk-threshold=40"
	emptyDirCheck := "--empty-dir-check=false"

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", outputFile, tmpPath, size, timeout, maxEviction, high, low, emptyDirCheck, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)

	// Read the generated v2 config file
	options := file_cache.FileCacheOptions{}

	viper.SetConfigType("yaml")
	config.ReadFromConfigFile(v2ConfigFile.Name())
	config.UnmarshalKey("file_cache", &options)

	suite.assert.EqualValues("fileCachePath", options.TmpPath)
	suite.assert.EqualValues(15, options.MaxSizeMB)
	suite.assert.EqualValues(60, options.Timeout)
	suite.assert.EqualValues(7, options.MaxEviction)
	suite.assert.EqualValues(60, options.HighThreshold)
	suite.assert.EqualValues(40, options.LowThreshold)
	suite.assert.True(options.AllowNonEmpty)
}

func (suite *generateConfigTestSuite) TestAddStreamAndFileCache() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())
	tmpPath := "--tmp-path=fileCachePath"
	size := "--cache-size-mb=15"
	timeout := "--file-cache-timeout-in-seconds=60"
	useStreaming := "--streaming=true"

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", outputFile, tmpPath, size, timeout, useStreaming, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)

	// Read the generated v2 config file
	options := mountOptions{}

	viper.SetConfigType("yaml")
	config.ReadFromConfigFile(v2ConfigFile.Name())
	config.Unmarshal(&options)
	suite.assert.EqualValues([]string{"libfuse", "stream", "azstorage"}, options.Components)

}

func (suite *generateConfigTestSuite) TestComponentCorrectOrder() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())
	tmpPath := "--tmp-path=fileCachePath"
	size := "--cache-size-mb=15"
	timeout := "--file-cache-timeout-in-seconds=60"
	useAttrCache := "--use-attr-cache"
	streaming := "--streaming=false"

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", outputFile, tmpPath, size, timeout, useAttrCache, streaming, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)

	// Read the generated v2 config file
	options := mountOptions{}

	viper.SetConfigType("yaml")
	config.ReadFromConfigFile(v2ConfigFile.Name())
	config.Unmarshal(&options)
	suite.assert.EqualValues([]string{"libfuse", "file_cache", "attr_cache", "azstorage"}, options.Components)
}

func (suite *generateConfigTestSuite) TestCLIParamFileCacheUploadModifiedOnlyError() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())
	modifiedOnly := "--upload-modified-only=true"

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", outputFile, modifiedOnly, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)
}

func (suite *generateConfigTestSuite) TestCLIParamFileCachePollTimeoutError() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())
	modifiedOnly := "--cache-poll-timeout-msec=60"

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", outputFile, modifiedOnly, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)
}

func (suite *generateConfigTestSuite) TestCLIParamStreaming() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())
	streaming := "--streaming=true"
	blockSize := "--block-size-mb=5"
	blocksPerFile := "--max-blocks-per-file=10"
	cacheSize := "--stream-cache-mb=40"

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", outputFile, streaming, blockSize, blocksPerFile, cacheSize, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)

	// Read the generated v2 config file
	options := stream.StreamOptions{}

	viper.SetConfigType("yaml")
	config.ReadFromConfigFile(v2ConfigFile.Name())
	config.UnmarshalKey("stream", &options)

	suite.assert.EqualValues(1, int(options.CachedObjLimit))
	suite.assert.EqualValues(50, int(options.BufferSize))
	suite.assert.EqualValues(5, options.BlockSize)
}

func (suite *generateConfigTestSuite) TestCLIParamAttrCache() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())
	attrCache := "--use-attr-cache"
	cacheOnList := "--cache-on-list=true"
	noSymlinks := "--no-symlinks=true"

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", outputFile, attrCache, cacheOnList, noSymlinks, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)

	// Read the generated v2 config file
	options := attr_cache.AttrCacheOptions{}

	viper.SetConfigType("yaml")
	config.ReadFromConfigFile(v2ConfigFile.Name())
	config.UnmarshalKey("attr_cache", &options)

	suite.assert.False(options.NoCacheOnList)
	suite.assert.True(options.NoSymlinks)
}

func (suite *generateConfigTestSuite) TestCLIParamStorage() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())
	adls := "--use-adls=true"
	https := "--use-https=false"
	container := "--container-name=myContainerName"
	concurrency := "--max-concurrency=3"
	cancelListOnMount := "--cancel-list-on-mount-seconds=60"
	maxRetry := "--max-retry=5"
	maxRetryTimeout := "--max-retry-interval-in-seconds=10"
	retryDelayFactor := "--retry-delay-factor=8"
	httpProxy := "--http-proxy=httpProxy"
	httpsProxy := "--https-proxy=httpsProxy"

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", outputFile, adls, https, container, concurrency, cancelListOnMount, maxRetry, maxRetryTimeout, retryDelayFactor, httpProxy, httpsProxy, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)

	// Read the generated v2 config file
	options := azstorage.AzStorageOptions{}

	viper.SetConfigType("yaml")
	config.ReadFromConfigFile(v2ConfigFile.Name())
	config.UnmarshalKey("azstorage", &options)

	suite.assert.EqualValues("adls", options.AccountType)
	suite.assert.True(options.UseHTTP)
	suite.assert.EqualValues("myContainerName", options.Container)
	suite.assert.EqualValues(3, options.MaxConcurrency)
	suite.assert.EqualValues(60, options.CancelListForSeconds)
	suite.assert.EqualValues(5, options.MaxRetries)
	suite.assert.EqualValues(10, options.MaxTimeout)
	suite.assert.EqualValues(8, options.BackoffTime)
	suite.assert.EqualValues("httpProxy", options.HttpProxyAddress)
	suite.assert.EqualValues("httpsProxy", options.HttpsProxyAddress)
}

func (suite *generateConfigTestSuite) TestCLIParamStorageCaCertFileError() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())
	caCertFile := "--ca-cert-file=path"

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", outputFile, caCertFile, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)
}

func (suite *generateConfigTestSuite) TestCLIParamStorageContentTypeError() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())
	contentType := "--set-content-type=true"

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", outputFile, contentType, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)
}

func (suite *generateConfigTestSuite) TestCLIParamStorageBackgroundDownloadError() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())
	download := "--background-download=true"

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", outputFile, download, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)
}

func (suite *generateConfigTestSuite) TestCLIParamStorageInvalidateOnSyncNoError() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())
	download := "--invalidate-on-sync=true"

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", outputFile, download, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)
}

func (suite *generateConfigTestSuite) TestCLIParamPreMountValidateNoError() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())
	download := "--pre-mount-validate=true"

	_, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", outputFile, download, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.Nil(err)
}

// mountv1 failure test where a libfuse option is incorrect
func (suite *generateConfigTestSuite) TestInvalidLibfuseOption() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())

	// incorrect option
	op, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", outputFile, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()),
		"-o allow_other", "-o attr_timeout=120", "-o entry_timeout=120", "-o negative_timeout=120",
		"-o ro", "-o default_permissions", "-o umask=755", "-o a=b=c")
	suite.assert.NotNil(err)
	suite.assert.Contains(op, "invalid FUSE options")
}

// mountv1 failure test where a libfuse option is undefined
func (suite *generateConfigTestSuite) TestUndefinedLibfuseOption() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())

	// undefined option
	op, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", outputFile, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()),
		"-o allow_other", "-o attr_timeout=120", "-o entry_timeout=120", "-o negative_timeout=120",
		"-o ro", "-o allow_root", "-o umask=755", "-o random_option")
	suite.assert.NotNil(err)
	suite.assert.Contains(op, "invalid FUSE options")
}

// mountv1 failure test where umask value is invalid
func (suite *generateConfigTestSuite) TestInvalidUmaskValue() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())

	// incorrect umask value
	op, err := executeCommandC(rootCmd, "mountv1", "--convert-config-only=true", outputFile, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()),
		"-o allow_other", "-o attr_timeout=120", "-o entry_timeout=120", "-o negative_timeout=120",
		"-o ro", "-o allow_root", "-o default_permissions", "-o umask=abcd")
	suite.assert.NotNil(err)
	suite.assert.Contains(op, "failed to parse umask")
}

// mountv1 failure test where attr_timeout value is invalid
func (suite *generateConfigTestSuite) TestInvalidAttrTimeout() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())
	tempDir := randomString(6)

	// incorrect attr_timeout value
	op, err := executeCommandC(rootCmd, "mountv1", tempDir, "--convert-config-only=true", outputFile, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()),
		"-o allow_other=false", "-o entry_timeout=120", "-o negative_timeout=120", "-o ro",
		"-o allow_root", "-o default_permissions", "-o umask=755", "-o attr_timeout=abcd")
	suite.assert.NotNil(err)
	suite.assert.Contains(op, "failed to parse attr_timeout")
}

// mountv1 failure test where entry_timeout value is invalid
func (suite *generateConfigTestSuite) TestInvalidEntryTimeout() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())
	tempDir := randomString(6)

	// incorrect entry_timeout value
	op, err := executeCommandC(rootCmd, "mountv1", tempDir, "--convert-config-only=true", outputFile, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()),
		"-o allow_other=false", "-o attr_timeout=120", "-o negative_timeout=120", "-o ro",
		"-o allow_root", "-o default_permissions", "-o umask=755", "-o entry_timeout=abcd")
	suite.assert.NotNil(err)
	suite.assert.Contains(op, "failed to parse entry_timeout")
}

// mountv1 failure test where negative_timeout value is invalid
func (suite *generateConfigTestSuite) TestInvalidNegativeTimeout() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())
	tempDir := randomString(6)

	// incorrect negative_timeout value
	op, err := executeCommandC(rootCmd, "mountv1", tempDir, "--convert-config-only=true", outputFile, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()),
		"-o allow_other=false", "-o entry_timeout=120", "-o attr_timeout=120", "-o ro",
		"-o allow_root", "-o default_permissions", "-o umask=755", "-o negative_timeout=abcd")
	suite.assert.NotNil(err)
	suite.assert.Contains(op, "failed to parse negative_timeout")
}

func (suite *generateConfigTestSuite) TestEnvVarAccountName() {
	defer suite.cleanupTest()
	name := generateFileName()
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())
	tempDir := randomString(6)
	os.Setenv("AZURE_STORAGE_ACCOUNT", "myAccountName")
	defer os.Unsetenv("AZURE_STORAGE_ACCOUNT")

	_, err := executeCommandC(rootCmd, "mountv1", tempDir, "--convert-config-only=true", outputFile)
	suite.assert.Nil(err)
}

func (suite *generateConfigTestSuite) TestEnvVarAccountNameError() {
	defer suite.cleanupTest()
	name := generateFileName()
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())
	tempDir := randomString(6)

	op, err := executeCommandC(rootCmd, "mountv1", tempDir, "--convert-config-only=true", outputFile)
	suite.assert.NotNil(err)
	suite.assert.Contains(op, "invalid account name")
}

func (suite *generateConfigTestSuite) TestInvalidAccountType() {
	defer suite.cleanupTest()
	name := generateFileName()
	v1ConfigFile, _ := os.CreateTemp("", name+".tmp.cfg")
	defer os.Remove(v1ConfigFile.Name())
	v1ConfigFile.WriteString("accountName myAccountName\naccountType random")
	v2ConfigFile, _ := os.CreateTemp("", name+".tmp.yaml")
	defer os.Remove(v2ConfigFile.Name())

	outputFile := fmt.Sprintf("--output-file=%s", v2ConfigFile.Name())
	tempDir := randomString(6)

	op, err := executeCommandC(rootCmd, "mountv1", tempDir, "--convert-config-only=true", outputFile, fmt.Sprintf("--config-file=%s", v1ConfigFile.Name()))
	suite.assert.NotNil(err)
	suite.assert.Contains(op, "invalid account type")
}