import 'dart:io';

import 'package:swagger_generator_flutter/core/config.dart';
import 'package:swagger_generator_flutter/core/config_repository.dart';
import 'package:swagger_generator_flutter/utils/string_helper.dart';

void main() {
  final configFile = File('generator_config.yaml');
  final resultFile = File('test_result.txt');

  try {
    // 1. Setup config file
    configFile.writeAsStringSync('''
generator:
  name: test
output:
  models:
    class_prefix: "MyPrefix"
generation:
  models:
    class_prefix: "MyPrefix"
''');

    // 2. Test direct ConfigRepository load
    final config = ConfigRepository.loadSync('generator_config.yaml');
    if (config.modelClassPrefix != 'MyPrefix') {
      throw 'ConfigRepository failed to PARSE prefix. Got: ${config.modelClassPrefix}';
    }

    // 3. Test SwaggerConfig (static access)
    // Note: ConfigRepository.loadSync() tries to find config file.
    // Since we created generator_config.yaml in CWD, and PathResolver likely checks CWD, this matches.
    if (SwaggerConfig.modelClassPrefix != 'MyPrefix') {
      throw 'SwaggerConfig failed to READ prefix. Got: ${SwaggerConfig.modelClassPrefix}';
    }

    // 4. Test StringHelper
    final className = StringHelper.generateClassName('User');
    if (className != 'MyPrefixUser') {
      throw 'StringHelper failed to APPLY prefix. Got: $className';
    }

    // 5. Test Prefix Avoidance (Idempotency)
    final className2 = StringHelper.generateClassName('MyPrefixUser');
    if (className2 != 'MyPrefixUser') {
      throw 'StringHelper double-prefixed. Got: $className2';
    }

    resultFile.writeAsStringSync('PASS');
    print('Verification Passed');
  } catch (e, stack) {
    resultFile.writeAsStringSync('FAIL: $e\n$stack');
    print('Verification Failed: $e');
  } finally {
    // Cleanup
    if (configFile.existsSync()) configFile.deleteSync();
  }
}