func TestDownloadPluginBin(t *testing.T) {
	t.Log("example plugin bin - ")
	{
		pluginBinURL := analyticsPluginBinURL
		destinationDir, err := pathutil.NormalizedOSTempDirPath("TestDownloadPluginBin")
		require.NoError(t, err)

		exist, err := pathutil.IsPathExists(destinationDir)
		require.NoError(t, err)
		if exist {
			err := os.RemoveAll(destinationDir)
			require.NoError(t, err)
		}

		require.NoError(t, os.MkdirAll(destinationDir, 0777))

		destinationPth := filepath.Join(destinationDir, "example")

		require.NoError(t, downloadPluginBin(pluginBinURL, destinationPth))

		exist, err = pathutil.IsPathExists(destinationPth)
		require.NoError(t, err)
		require.Equal(t, true, exist)
	}
}

func (configs ConfigsModel) validate() (string, error) {
	// required
	if configs.GradleFile == "" {
		return "", errors.New("No GradleFile parameter specified!")
	}
	if exist, err := pathutil.IsPathExists(configs.GradleFile); err != nil {
		return "", fmt.Errorf("Failed to check if GradleFile exist at: %s, error: %s", configs.GradleFile, err)
	} else if !exist {
		return "", fmt.Errorf("GradleFile not exist at: %s", configs.GradleFile)
	}

	if configs.GradleTasks == "" {
		return "", errors.New("No GradleTask parameter specified!")
	}

	if configs.GradlewPath == "" {
		explanation := `
Using a Gradle Wrapper (gradlew) is required, as the wrapper is what makes sure
that the right Gradle version is installed and used for the build.

You can find more information about the Gradle Wrapper (gradlew),
and about how you can generate one (if you would not have one already
in the official guide at: https://docs.gradle.org/current/userguide/gradle_wrapper.html`

		return explanation, errors.New("No GradlewPath parameter specified!")
	}
	if exist, err := pathutil.IsPathExists(configs.GradlewPath); err != nil {
		return "", fmt.Errorf("Failed to check if GradlewPath exist at: %s, error: %s", configs.GradlewPath, err)
	} else if !exist {
		return "", fmt.Errorf("GradlewPath not exist at: %s", configs.GradlewPath)
	}

	return "", nil
}

func initBitriseWorkPaths() error {
	bitriseWorkDirPath, err := pathutil.NormalizedOSTempDirPath("bitrise")
	if err != nil {
		return err
	}
	if exist, err := pathutil.IsPathExists(bitriseWorkDirPath); err != nil {
		return err
	} else if !exist {
		if err := os.MkdirAll(bitriseWorkDirPath, 0777); err != nil {
			return err
		}
	}
	BitriseWorkDirPath = bitriseWorkDirPath

	bitriseWorkStepsDirPath, err := filepath.Abs(filepath.Join(BitriseWorkDirPath, "step_src"))
	if err != nil {
		return err
	}
	if exist, err := pathutil.IsPathExists(bitriseWorkStepsDirPath); err != nil {
		return err
	} else if !exist {
		if err := os.MkdirAll(bitriseWorkStepsDirPath, 0777); err != nil {
			return err
		}
	}
	BitriseWorkStepsDirPath = bitriseWorkStepsDirPath

	return nil
}

func isCacheAvailable(srcDir string) (bool, error) {
	carthageDir := filepath.Join(srcDir, carthageDirName)
	if exist, err := pathutil.IsPathExists(carthageDir); err != nil {
		return false, err
	} else if !exist {
		return false, nil
	}

	buildDir := filepath.Join(carthageDir, buildDirName)
	if exist, err := pathutil.IsPathExists(buildDir); err != nil {
		return false, err
	} else if exist {
		pattern := filepath.Join(buildDir, "*")
		files, err := filepath.Glob(pattern)
		if err != nil {
			return false, err
		}
		if len(files) == 0 {
			return false, nil
		}
	} else {
		return false, nil
	}

	// read cahce
	cacheContent := ""

	cacheFilePth := filepath.Join(srcDir, carthageDirName, cacheFileName)
	if exist, err := pathutil.IsPathExists(cacheFilePth); err != nil {
		return false, err
	} else if exist {
		cacheContent, err = fileutil.ReadStringFromFile(cacheFilePth)
		if err != nil {
			return false, err
		}
	} else {
		return false, nil
	}

	swiftVersion, err := swiftVersion()
	if err != nil {
		return false, err
	}

	resolvedFilePath := filepath.Join(srcDir, resolvedFileName)
	resolved, err := contentsOfCartfileResolved(resolvedFilePath)
	if err != nil {
		return false, err
	}

	desiredCacheContent := fmt.Sprintf("--Swift version: %s --Swift version \n --%s: %s --%s", swiftVersion, resolvedFileName, resolved, resolvedFileName)

	return cacheContent == desiredCacheContent, nil
}

// IsSSHKeypairFileExistInDirectory ...
func IsSSHKeypairFileExistInDirectory(workdirPth string) bool {
	privFilePath := fullSSHPrivateKeyFilePath(workdirPth)
	pubFilePath := fullSSHPublicKeyFilePath(workdirPth)

	exists, err := pathutil.IsPathExists(privFilePath)
	if !exists || err != nil {
		return false
	}
	exists, err = pathutil.IsPathExists(pubFilePath)
	if !exists || err != nil {
		return false
	}
	return true
}

func TestClonePluginSrc(t *testing.T) {
	t.Log("example plugin - latest version")
	{
		pluginSource := examplePluginGitURL
		versionTag := ""
		destinationDir, err := pathutil.NormalizedOSTempDirPath("TestClonePluginSrc")
		require.NoError(t, err)

		exist, err := pathutil.IsPathExists(destinationDir)
		require.NoError(t, err)
		if exist {
			err := os.RemoveAll(destinationDir)
			require.NoError(t, err)
		}

		version, hash, err := clonePluginSrc(pluginSource, versionTag, destinationDir)
		require.NoError(t, err)
		require.NotNil(t, version)
		require.NotEmpty(t, hash)

		exist, err = pathutil.IsPathExists(destinationDir)
		require.NoError(t, err)
		require.Equal(t, true, exist)
	}

	t.Log("example plugin - 0.9.0 version")
	{
		pluginSource := examplePluginGitURL
		versionTag := "0.9.0"
		destinationDir, err := pathutil.NormalizedOSTempDirPath("TestClonePluginSrc")
		require.NoError(t, err)

		exist, err := pathutil.IsPathExists(destinationDir)
		require.NoError(t, err)
		if exist {
			err := os.RemoveAll(destinationDir)
			require.NoError(t, err)
		}

		version, hash, err := clonePluginSrc(pluginSource, versionTag, destinationDir)
		require.NoError(t, err)
		require.NotNil(t, version)
		require.Equal(t, "0.9.0", version.String())
		require.NotEmpty(t, hash)

		exist, err = pathutil.IsPathExists(destinationDir)
		require.NoError(t, err)
		require.Equal(t, true, exist)
	}
}

// ReadSpecStep ...
func ReadSpecStep(pth string) (stepmanModels.StepModel, error) {
	if isExists, err := pathutil.IsPathExists(pth); err != nil {
		return stepmanModels.StepModel{}, err
	} else if !isExists {
		return stepmanModels.StepModel{}, errors.New(fmt.Sprint("No file found at path", pth))
	}

	bytes, err := fileutil.ReadBytesFromFile(pth)
	if err != nil {
		return stepmanModels.StepModel{}, err
	}

	var stepModel stepmanModels.StepModel
	if err := yaml.Unmarshal(bytes, &stepModel); err != nil {
		return stepmanModels.StepModel{}, err
	}

	if err := stepModel.Normalize(); err != nil {
		return stepmanModels.StepModel{}, err
	}

	if err := stepModel.Validate(false); err != nil {
		return stepmanModels.StepModel{}, err
	}

	if err := stepModel.FillMissingDefaults(); err != nil {
		return stepmanModels.StepModel{}, err
	}

	return stepModel, nil
}

func (configs ConfigsModel) validate() error {
	if configs.XamarinSolution == "" {
		return errors.New("No XamarinSolution parameter specified!")
	}
	if exist, err := pathutil.IsPathExists(configs.XamarinSolution); err != nil {
		return fmt.Errorf("Failed to check if XamarinSolution exist at: %s, error: %s", configs.XamarinSolution, err)
	} else if !exist {
		return fmt.Errorf("XamarinSolution not exist at: %s", configs.XamarinSolution)
	}

	if configs.XamarinConfiguration == "" {
		return errors.New("No XamarinConfiguration parameter specified!")
	}
	if configs.XamarinPlatform == "" {
		return errors.New("No XamarinPlatform parameter specified!")
	}

	if configs.APIKey == "" {
		return errors.New("No APIKey parameter specified!")
	}
	if configs.User == "" {
		return errors.New("No User parameter specified!")
	}
	if configs.Devices == "" {
		return errors.New("No Devices parameter specified!")
	}
	if configs.Series == "" {
		return errors.New("No Series parameter specified!")
	}

	return nil
}

func readRouteMap() (SteplibRoutes, error) {
	exist, err := pathutil.IsPathExists(getRoutingFilePath())
	if err != nil {
		return SteplibRoutes{}, err
	} else if !exist {
		return SteplibRoutes{}, nil
	}

	bytes, err := fileutil.ReadBytesFromFile(getRoutingFilePath())
	if err != nil {
		return SteplibRoutes{}, err
	}
	var routeMap map[string]string
	if err := json.Unmarshal(bytes, &routeMap); err != nil {
		return SteplibRoutes{}, err
	}

	routes := []SteplibRoute{}
	for key, value := range routeMap {
		routes = append(routes, SteplibRoute{
			SteplibURI:  key,
			FolderAlias: value,
		})
	}

	return routes, nil
}

// GetConfigs ...
func GetConfigs() (ConfigsModel, error) {
	configPth := getEnvmanConfigsFilePath()
	defaultConfigs := createDefaultConfigsModel()

	if isExist, err := pathutil.IsPathExists(configPth); err != nil {
		return ConfigsModel{}, err
	} else if !isExist {
		return defaultConfigs, nil
	}

	bytes, err := fileutil.ReadBytesFromFile(configPth)
	if err != nil {
		return ConfigsModel{}, err
	}

	type ConfigsFileMode struct {
		EnvBytesLimitInKB     *int `json:"env_bytes_limit_in_kb,omitempty"`
		EnvListBytesLimitInKB *int `json:"env_list_bytes_limit_in_kb,omitempty"`
	}

	var userConfigs ConfigsFileMode
	if err := json.Unmarshal(bytes, &userConfigs); err != nil {
		return ConfigsModel{}, err
	}

	if userConfigs.EnvBytesLimitInKB != nil {
		defaultConfigs.EnvBytesLimitInKB = *userConfigs.EnvBytesLimitInKB
	}
	if userConfigs.EnvListBytesLimitInKB != nil {
		defaultConfigs.EnvListBytesLimitInKB = *userConfigs.EnvListBytesLimitInKB
	}

	return defaultConfigs, nil
}

func destroy(c *cli.Context) {
	log.Infoln("Destroy")

	additionalEnvs, err := config.CreateEnvItemsModelFromSlice(MachineParamsAdditionalEnvs.Get())
	if err != nil {
		log.Fatalf("Invalid Environment parameter: %s", err)
	}

	configModel, err := config.ReadMachineConfigFileFromDir(MachineWorkdir.Get(), additionalEnvs)
	if err != nil {
		log.Fatalln("Failed to read Config file: ", err)
	}

	isOK, err := pathutil.IsPathExists(path.Join(MachineWorkdir.Get(), "Vagrantfile"))
	if err != nil {
		log.Fatalln("Failed to check 'Vagrantfile' in the WorkDir: ", err)
	}
	if !isOK {
		log.Fatalln("Vagrantfile not found in the WorkDir!")
	}

	log.Infof("configModel: %#v", configModel)

	if err := doCleanup(configModel, "will-be-destroyed"); err != nil {
		log.Fatalf("Failed to Cleanup: %s", err)
	}

	if err := doDestroy(configModel); err != nil {
		log.Fatalf("Failed to Destroy: %s", err)
	}

	log.Infoln("=> Destroy DONE - OK")
}

func loadBitriseConfig() (ConfigModel, error) {
	if err := EnsureBitriseConfigDirExists(); err != nil {
		return ConfigModel{}, err
	}

	configPth := getBitriseConfigFilePath()
	if exist, err := pathutil.IsPathExists(configPth); err != nil {
		return ConfigModel{}, err
	} else if !exist {
		return ConfigModel{}, nil
	}

	bytes, err := fileutil.ReadBytesFromFile(configPth)
	if err != nil {
		return ConfigModel{}, err
	}

	if len(bytes) == 0 {
		return ConfigModel{}, errors.New("empty config file")
	}

	config := ConfigModel{}
	if err := json.Unmarshal(bytes, &config); err != nil {
		return ConfigModel{}, fmt.Errorf("failed to marshal config (%s), error: %s", string(bytes), err)
	}

	return config, nil
}

// WriteStepSpecToFile ...
func WriteStepSpecToFile(templateCollection models.StepCollectionModel, route SteplibRoute) error {
	pth := GetStepSpecPath(route)

	if exist, err := pathutil.IsPathExists(pth); err != nil {
		log.Error("Failed to check path:", err)
		return err
	} else if !exist {
		dir, _ := path.Split(pth)
		err := os.MkdirAll(dir, 0777)
		if err != nil {
			return err
		}
	} else {
		err := os.Remove(pth)
		if err != nil {
			return err
		}
	}

	collection, err := generateStepLib(route, templateCollection)
	if err != nil {
		return err
	}

	bytes, err := json.MarshalIndent(collection, "", "\t")
	if err != nil {
		return err
	}
	return fileutil.WriteBytesToFile(pth, bytes)
}

// PrepareForStepRun ...
func (toolkit GoToolkit) PrepareForStepRun(step stepmanModels.StepModel, sIDData models.StepIDData, stepAbsDirPath string) error {
	fullStepBinPath := stepBinaryCacheFullPath(sIDData)

	// try to use cached binary, if possible
	if sIDData.IsUniqueResourceID() {
		if exists, err := pathutil.IsPathExists(fullStepBinPath); err != nil {
			log.Warn("Failed to check cached binary for step, error: %s", err)
		} else if exists {
			log.Debugln("No need to compile, binary already exists")
			return nil
		}
	}

	// it's not cached, so compile it

	if step.Toolkit == nil {
		return errors.New("No Toolkit information specified in step")
	}
	if step.Toolkit.Go == nil {
		return errors.New("No Toolkit.Go information specified in step")
	}
	packageName := step.Toolkit.Go.PackageName

	return goBuildInIsolation(packageName, stepAbsDirPath, fullStepBinPath)
}

func gitInitWithRemote(cloneIntoDir, repositoryURL string) error {
	gitCheckPath := filepath.Join(cloneIntoDir, ".git")
	if exist, err := pathutil.IsPathExists(gitCheckPath); err != nil {
		return fmt.Errorf("Failed to file path (%s), err: %s", gitCheckPath, err)
	} else if exist {
		return fmt.Errorf(".git folder already exists in the destination dir (%s)", gitCheckPath)
	}

	if err := os.MkdirAll(cloneIntoDir, 0777); err != nil {
		return fmt.Errorf("Failed to create the clone_destination_dir at: %s", cloneIntoDir)
	}

	if err := gitInit(cloneIntoDir); err != nil {
		return fmt.Errorf("Could not init git repository, err: %s", cloneIntoDir)
	}

	if err := gitAddRemote(cloneIntoDir, repositoryURL); err != nil {
		return fmt.Errorf("Could not add remote, err: %s", err)
	}

	if err := gitFetch(cloneIntoDir); err != nil {
		return fmt.Errorf("Could not fetch from repository, err: %s", err)
	}

	return nil
}

// FindProvProfileByUUID ...
func FindProvProfileByUUID(provProfileUUID string) (ProvisioningProfileFileInfoModel, error) {
	absProvProfileDirPath, err := pathutil.AbsPath(provProfileSystemDirPath)
	if err != nil {
		return ProvisioningProfileFileInfoModel{}, fmt.Errorf("Failed to get Absolute path of Provisioning Profiles dir: %s", err)
	}

	// iOS / .mobileprovision
	{
		mobileProvPth := filepath.Join(absProvProfileDirPath, provProfileUUID+".mobileprovision")
		exist, err := pathutil.IsPathExists(mobileProvPth)
		if !exist || err != nil {
			log.Debugf("No mobileprovision file found at: %s | err: %s", mobileProvPth, err)
		} else {
			provProfileData, err := CreateProvisioningProfileModelFromFile(mobileProvPth)
			if err != nil {
				return ProvisioningProfileFileInfoModel{},
					fmt.Errorf("Failed to read Provisioning Profile infos from file (path: %s), error: %s",
						mobileProvPth, err)
			}
			return ProvisioningProfileFileInfoModel{
				Path: mobileProvPth,
				ProvisioningProfileInfo: provProfileData,
			}, nil
		}
	}

	// Mac / .provisionprofile
	{
		macProvProfPth := filepath.Join(absProvProfileDirPath, provProfileUUID+".provisionprofile")
		exist, err := pathutil.IsPathExists(macProvProfPth)
		if !exist || err != nil {
			log.Debugf("No provisionprofile file found at: %s | err: %s", macProvProfPth, err)
			return ProvisioningProfileFileInfoModel{}, fmt.Errorf("Failed to find Provisioning Profile with UUID: %s", provProfileUUID)
		}

		provProfileData, err := CreateProvisioningProfileModelFromFile(macProvProfPth)
		if err != nil {
			return ProvisioningProfileFileInfoModel{},
				fmt.Errorf("Failed to read Provisioning Profile infos from file (path: %s), error: %s",
					macProvProfPth, err)
		}
		return ProvisioningProfileFileInfoModel{
			Path: macProvProfPth,
			ProvisioningProfileInfo: provProfileData,
		}, nil
	}
}

func validatePath(pth string) error {
	if exist, err := pathutil.IsPathExists(pth); err != nil {
		return fmt.Errorf("failed to check bitrise-plugin.yml path (%s), error: %s", pth, err)
	} else if !exist {
		return fmt.Errorf("no bitrise-plugin.yml found at (%s)", pth)
	}
	return nil
}

func deleteFileIfExists(pth string) error {
	isExists, err := pathutil.IsPathExists(pth)
	if err != nil {
		return err
	}
	if !isExists {
		return nil
	}
	return os.Remove(pth)
}

// RemoveDir ...
func RemoveDir(dirPth string) error {
	if exist, err := pathutil.IsPathExists(dirPth); err != nil {
		return err
	} else if exist {
		if err := os.RemoveAll(dirPth); err != nil {
			return err
		}
	}
	return nil
}

// RemoveFile ...
func RemoveFile(pth string) error {
	if exist, err := pathutil.IsPathExists(pth); err != nil {
		return err
	} else if exist {
		if err := os.Remove(pth); err != nil {
			return err
		}
	}
	return nil
}