import 'package:libac_dart/argparse/Args.dart';

class ArgumentHelpers {
  /// Generates a command-line help message for the provided arguments.
  ///
  /// [arguments] The list of arguments to generate help for.
  /// [programName] The name of the program.
  /// Returns a string containing the help message.
  static String generateHelpMessage(
      List<Argument<dynamic>> arguments, String programName) {
    final StringBuffer helpMessage = StringBuffer();
    helpMessage.writeln('Usage: $programName [options]');

    for (var arg in arguments) {
      final description = _getArgumentDescription(arg);
      final valueType = arg.getType().toString();
      helpMessage.writeln(
          '  --${arg.name} [${valueType.split('.').last}]  $description');
    }

    return helpMessage.toString();
  }

  /// Gets a description for an argument. This can be extended to provide more info.
  ///
  /// [argument] The argument for which to generate a description.
  /// Returns a description of the argument.
  static String _getArgumentDescription(Argument<dynamic> argument) {
    // You can extend this to add more detailed descriptions for specific arguments
    return argument.hasValue()
        ? 'Default value: ${argument.getValue()}'
        : 'No default value assigned';
  }

  /// Retrieves the type of an argument in a human-readable format.
  ///
  /// [argument] The argument to get the type for.
  /// Returns a string describing the argument type.
  static String _getArgumentType(Argument<dynamic> argument) {
    switch (argument.getType()) {
      case ArgumentType.STRING:
        return 'string';
      case ArgumentType.INTEGER:
        return 'integer';
      case ArgumentType.BOOL:
        return 'boolean';
      case ArgumentType.DOUBLE:
        return 'double';
    }
  }
}