import 'dart:io';

import 'package:koi_swagger_parser/koi_swagger_parser.dart';
import 'package:koi_swagger_parser/src/openapi/openapi.dart';
import 'package:path/path.dart' as p;
import 'package:test/test.dart';

void main() {
  group('servers and security metadata', () {
    test('解析 server variables、operation override 与鉴权元数据', () async {
      final tempDir = await Directory.systemTemp.createTemp(
        'koi_swagger_parser_server_security_',
      );
      addTearDown(() => tempDir.delete(recursive: true));
      final spec = File(p.join(tempDir.path, 'openapi.json'));
      await spec.writeAsString(r'''
{
  "openapi": "3.1.0",
  "info": {"title": "servers and auth", "version": "1"},
  "servers": [
    {
      "url": "https://{environment}.example.com/{version}",
      "variables": {
        "environment": {
          "default": "api",
          "enum": ["api", "staging"]
        },
        "version": {"default": "v1"}
      }
    }
  ],
  "security": [
    {"bearerAuth": []},
    {"apiKeyAuth": []}
  ],
  "paths": {
    "/accounts": {
      "get": {
        "tags": ["accounts"],
        "operationId": "list_accounts",
        "responses": {"204": {"description": "ok"}}
      }
    },
    "/upload": {
      "post": {
        "tags": ["accounts"],
        "operationId": "upload_account",
        "servers": [{"url": "https://upload.example.com"}],
        "security": [],
        "responses": {"204": {"description": "ok"}}
      }
    }
  },
  "components": {
    "securitySchemes": {
      "bearerAuth": {
        "type": "http",
        "scheme": "bearer",
        "bearerFormat": "JWT"
      },
      "basicAuth": {
        "type": "http",
        "scheme": "basic"
      },
      "apiKeyAuth": {
        "type": "apiKey",
        "in": "header",
        "name": "X-API-Key"
      },
      "oauth": {
        "type": "oauth2",
        "flows": {
          "clientCredentials": {
            "tokenUrl": "https://auth.example.com/token",
            "scopes": {
              "accounts:read": "read accounts"
            }
          }
        }
      }
    }
  }
}
''');
      final outputDir = p.join(tempDir.path, 'lib', 'src');
      final config = File(p.join(tempDir.path, 'koi_swagger_parser.yaml'));
      await config.writeAsString('''
input:
  swagger_urls:
    - url: ${spec.path}
output:
  base_dir: $outputDir
  api_dir: ${p.join(outputDir, 'api')}
  models_dir: ${p.join(outputDir, 'models')}
generation:
  api:
    response_wrapper:
      mode: passthrough
formatting:
  run_dart_format: false
''');

      await const KoiSwaggerParser().generate(configPath: config.path);

      final api = File(
        p.join(outputDir, 'api', 'v1', 'accounts_api.dart'),
      ).readAsStringSync();
      expect(
        api,
        contains(
          "@RestApi(baseUrl: 'https://api.example.com/v1', "
          'parser: Parser.JsonSerializable)',
        ),
      );
      expect(api, contains('Security: bearerAuth OR apiKeyAuth'));
      expect(api, contains("@POST('https://upload.example.com/upload')"));

      final client = File(
        p.join(outputDir, 'api', 'api_client.dart'),
      ).readAsStringSync();
      expect(
        client,
        contains("baseUrl = baseUrl ?? 'https://api.example.com/v1'"),
      );
      expect(client, contains("'bearerAuth': <String, Object?>{"));
      expect(client, contains("'scheme': 'bearer'"));
      expect(client, contains("'apiKeyAuth': <String, Object?>{"));
      expect(client, contains("'in': 'header'"));
      expect(client, contains("'scopes': <String>['accounts:read']"));
      expect(client, contains("'GET /accounts':"));
      expect(client, contains("'POST /upload': <Map<String, List<String>>>[]"));
    });

    test('不存在的 security scheme 会结构化拒绝', () {
      final config = _testConfig();
      expect(
        () => OpenApiDocumentParser(config).parse(
          LoadedOpenApiDocument(
            document: <String, dynamic>{
              'openapi': '3.1.0',
              'info': <String, dynamic>{
                'title': 'invalid auth',
                'version': '1',
              },
              'security': <dynamic>[
                <String, dynamic>{'missing': <String>[]},
              ],
              'paths': <String, dynamic>{
                '/value': <String, dynamic>{
                  'get': <String, dynamic>{
                    'responses': <String, dynamic>{
                      '204': <String, dynamic>{'description': 'ok'},
                    },
                  },
                },
              },
            },
            sources: const <String>['memory://invalid-auth'],
          ),
        ),
        throwsA(
          isA<KoiDiagnosticException>().having(
            (error) => error.diagnostics.map((item) => item.code),
            'codes',
            contains('openapi.unknown_security_scheme'),
          ),
        ),
      );
    });
  });
}

KoiSwaggerConfig _testConfig() {
  return KoiSwaggerConfig(
    configPath: null,
    workingDirectory: Directory.current.path,
    input: const InputConfig(swaggerUrls: <String>[]),
    output: OutputConfig(
      baseDir: Directory.current.path,
      apiDir: p.join(Directory.current.path, 'api'),
      modelsDir: p.join(Directory.current.path, 'models'),
      splitByTags: true,
      extractVersionFromUrl: false,
    ),
    generation: GenerationConfig(
      preset: GeneratorPresetRegistry.koiFlutter,
      api: const ApiGenerationConfig(
        enabled: true,
        useRetrofit: true,
        cancelTokenSupport: false,
        client: ClientConfig(className: 'ApiClient', fileName: 'api_client'),
        responseWrapper: ResponseWrapperConfig(
          mode: ResponseWrapperMode.passthrough,
          successDataField: 'data',
          detectStandardEnvelope: false,
        ),
      ),
      models: const ModelGenerationConfig(
        enabled: true,
        classPrefix: 'Koi',
        defaultNonNullableListToEmpty: true,
        jsonSerializable: JsonSerializableConfig(
          checked: true,
          explicitToJson: true,
          includeIfNull: false,
        ),
      ),
      formatting: const FormattingConfig(
        runDartFormat: false,
        runDartFix: false,
      ),
    ),
  );
}