public sealed class KeyValueListCommand()

in src/Commands/AppConfig/KeyValue/KeyValueListCommand.cs [16:104]
74 lines of code
4 McCabe index (conditional complexity)

public sealed class KeyValueListCommand(ILogger<KeyValueListCommand> logger) : BaseAppConfigCommand<KeyValueListArguments>()
{
    private readonly ILogger<KeyValueListCommand> _logger = logger;

    // KeyValueList has different key and label descriptions, which is why we are defining here instead of using BaseKeyValueCommand
    private readonly Option<string> _keyOption = ArgumentDefinitions.AppConfig.KeyValueList.Key.ToOption();
    private readonly Option<string> _labelOption = ArgumentDefinitions.AppConfig.KeyValueList.Label.ToOption();

    protected override string GetCommandName() => "list";

    protected override string GetCommandDescription() =>
        """
        List all key-values in an App Configuration store. This command retrieves and displays all key-value pairs
        from the specified store. Each key-value includes its key, value, label, content type, ETag, last modified
        time, and lock status.
        """;

    protected override void RegisterOptions(Command command)
    {
        base.RegisterOptions(command);
        command.AddOption(_keyOption);
        command.AddOption(_labelOption);
    }

    protected override void RegisterArguments()
    {
        base.RegisterArguments();
        AddArgument(CreateListKeyArgument());
        AddArgument(CreateListLabelArgument());
    }

    private static ArgumentBuilder<KeyValueListArguments> CreateListKeyArgument() =>
        ArgumentBuilder<KeyValueListArguments>
            .Create(ArgumentDefinitions.AppConfig.KeyValueList.Key.Name, ArgumentDefinitions.AppConfig.KeyValueList.Key.Description)
            .WithValueAccessor(args => args.Key ?? string.Empty)
            .WithIsRequired(ArgumentDefinitions.AppConfig.KeyValueList.Key.Required);

    private static ArgumentBuilder<KeyValueListArguments> CreateListLabelArgument() =>
        ArgumentBuilder<KeyValueListArguments>
            .Create(ArgumentDefinitions.AppConfig.KeyValueList.Label.Name, ArgumentDefinitions.AppConfig.KeyValueList.Label.Description)
            .WithValueAccessor(args => args.Label ?? string.Empty)
            .WithIsRequired(ArgumentDefinitions.AppConfig.KeyValueList.Label.Required);

    protected override KeyValueListArguments BindArguments(ParseResult parseResult)
    {
        var args = base.BindArguments(parseResult);
        args.Key = parseResult.GetValueForOption(_keyOption);
        args.Label = parseResult.GetValueForOption(_labelOption);
        return args;
    }

    [McpServerTool(Destructive = false, ReadOnly = true)]
    public override async Task<CommandResponse> ExecuteAsync(CommandContext context, ParseResult parseResult)
    {
        var args = BindArguments(parseResult);

        try
        {
            if (!await ProcessArguments(context, args))
            {
                return context.Response;
            }

            var appConfigService = context.GetService<IAppConfigService>();
            var settings = await appConfigService.ListKeyValues(
                args.Account!,
                args.Subscription!,
                args.Key,
                args.Label,
                args.Tenant,
                args.RetryPolicy);

            context.Response.Results = settings?.Count > 0 ?
                ResponseResult.Create(
                    new KeyValueListCommandResult(settings),
                    AppConfigJsonContext.Default.KeyValueListCommandResult) :
                null;
        }
        catch (Exception ex)
        {
            _logger.LogError("An exception occurred processing command. Exception: {Exception}", ex);
            HandleException(context.Response, ex);
        }

        return context.Response;
    }

    internal record KeyValueListCommandResult(List<KeyValueSetting> Settings);
}