import 'package:libac_dart/argparse/Args.dart';
import 'package:libac_dart/argparse/types/Bool.dart';
import 'package:libac_dart/argparse/types/Integers.dart';
import 'package:libac_dart/argparse/types/String.dart';

class ArgumentParser {
  /// Parses a list of arguments.
  ///
  /// [args] The list of arguments to parse.
  /// Returns an Arguments object representing the input.
  static Arguments parse(List<String> args) {
    final ret = Arguments();
    for (var i = 0; i < args.length; i++) {
      final arg = args[i];
      if (arg.startsWith('--')) {
        var key = arg.substring(2); // Remove the '--' part of the argument
        dynamic value;

        // Check if the argument has a value attached (either --arg=value or --arg value)
        if (i + 1 < args.length && !args[i + 1].startsWith('--')) {
          value = args[i + 1]; // --arg value
          i++; // Skip the next argument as it is the value
        } else if (arg.contains('=')) {
          value = arg.substring(arg.indexOf('=') + 1); // --arg=value
          key = key.substring(0, key.indexOf('='));
        }

        // Determine the argument type and add it to the list
        if (int.tryParse(value?.toString() ?? '') != null) {
          ret.setArg(
              IntegerArgument(name: key, value: int.parse(value.toString())));
        } else if (value?.toString().toLowerCase() == 'true' ||
            value?.toString().toLowerCase() == 'false' ||
            value == null) {
          if (value != null)
            ret.setArg(BoolArgument(
                name: key, value: value.toString().toLowerCase() == 'true'));
          else
            ret.setArg(BoolArgument(name: key, value: true));
        } else if (double.tryParse(value?.toString() ?? '') != null) {
          ret.setArg(
              DoubleArgument(name: key, value: double.parse(value.toString())));
        } else {
          // Default to StringArgument if no matching type is found
          ret.setArg(StringArgument(name: key, value: value?.toString() ?? ''));
        }
      }
    }

    return ret;
  }
}