private async Task ConfigureDeploymentFromCli()

in src/AWS.Deploy.CLI/Commands/DeployCommand.cs [627:704]
58 lines of code
18 McCabe index (conditional complexity)

        private async Task ConfigureDeploymentFromCli(Recommendation recommendation, IEnumerable<OptionSettingItem> configurableOptionSettings, bool showAdvancedSettings)
        {
            _toolInteractiveService.WriteLine(string.Empty);

            while (true)
            {
                var message = "Current settings (select number to change its value)";
                var title = message + Environment.NewLine + new string('-', message.Length);

                _toolInteractiveService.WriteLine(title);

                var optionSettings =
                    configurableOptionSettings
                        .Where(x => (!recommendation.IsExistingCloudApplication || x.Updatable) && (!x.AdvancedSetting || showAdvancedSettings) && _optionSettingHandler.IsOptionSettingDisplayable(recommendation, x))
                        .ToArray();

                for (var i = 1; i <= optionSettings.Length; i++)
                {
                    DisplayOptionSetting(recommendation, optionSettings[i - 1], i, optionSettings.Length, DisplayOptionSettingsMode.Editable);
                }

                _toolInteractiveService.WriteLine();
                if (!showAdvancedSettings)
                {
                    // Don't bother showing 'more' for advanced options if there aren't any advanced options.
                    if (configurableOptionSettings.Any(x => x.AdvancedSetting))
                    {
                        _toolInteractiveService.WriteLine("Enter 'more' to display Advanced settings. ");
                    }
                }
                _toolInteractiveService.WriteLine("Or press 'Enter' to deploy:");

                var input = _toolInteractiveService.ReadLine();

                // advanced - break to main loop to reprint menu
                if (input.Trim().ToLower().Equals("more"))
                {
                    showAdvancedSettings = true;
                    _toolInteractiveService.WriteLine();
                    continue;
                }

                // deploy case, nothing more to configure
                if (string.IsNullOrEmpty(input))
                {
                    var settingValidatorFailedResults = _optionSettingHandler.RunOptionSettingValidators(recommendation);

                    var recipeValidatorFailedResults = _recipeHandler.RunRecipeValidators(recommendation, _session);

                    if (!settingValidatorFailedResults.Any() && !recipeValidatorFailedResults.Any())
                    {
                        // validation successful
                        // deployment configured
                        return;
                    }

                    _toolInteractiveService.WriteLine();
                    _toolInteractiveService.WriteErrorLine("The deployment configuration needs to be adjusted before it can be deployed:");
                    foreach (var result in settingValidatorFailedResults)
                        _toolInteractiveService.WriteErrorLine($" - {result.ValidationFailedMessage}");
                    foreach (var result in recipeValidatorFailedResults)
                        _toolInteractiveService.WriteErrorLine($" - {result.ValidationFailedMessage}");

                    _toolInteractiveService.WriteLine();
                    _toolInteractiveService.WriteErrorLine("Please adjust your settings");
                }

                // configure option setting
                if (int.TryParse(input, out var selectedNumber) &&
                    selectedNumber >= 1 &&
                    selectedNumber <= optionSettings.Length)
                {
                    await ConfigureDeploymentFromCli(recommendation, optionSettings[selectedNumber - 1]);
                }

                _toolInteractiveService.WriteLine();
            }
        }