import 'package:flutter_test/flutter_test.dart';
import 'package:yx_tracking_flutter/src/config/analytics_config.dart';
import 'package:yx_tracking_flutter/src/config/config_manager.dart';
import 'package:yx_tracking_flutter/src/core/validator.dart';
import 'package:yx_tracking_flutter/src/model/device_info.dart';
import 'package:yx_tracking_flutter/src/model/event.dart';
import 'package:yx_tracking_flutter/src/model/system_dim_info.dart';

class StaticConfigManager extends ConfigManager {
  StaticConfigManager({
    required super.config,
    required SystemDimInfo configValue,
  })  : _configValue = configValue,
        super(refreshInterval: Duration.zero);

  final SystemDimInfo _configValue;

  @override
  SystemDimInfo? get currentConfig => _configValue;

  @override
  Future<void> init() async {}

  @override
  Future<void> fetchAndCacheConfig({bool force = false}) async {}

  @override
  Future<void> forceRefresh() async {}

  @override
  Future<void> dispose() async {}
}

const DeviceInfo _device = DeviceInfo(
  os: 'test',
  model: 'test',
  screenResolution: '1x1',
);

AnalyticsConfig _config() {
  return AnalyticsConfig(
    systemCode: 'TEST_APP',
    endpointBaseUrl: 'https://example.com',
    clientType: 3,
    enableMetrics: false,
  );
}

Event _event({
  required String type,
  Map<String, dynamic>? customTags,
}) {
  final now = DateTime.now();
  final ts = now.millisecondsSinceEpoch;
  return Event(
    systemCode: 'TEST_APP',
    eventType: type,
    userInfo: null,
    clientType: 3,
    clientTimestamp: ts,
    timestamp: now.toUtc().toIso8601String(),
    deviceInfo: _device,
    eventParams: null,
    customTags: customTags,
    createTime: now,
  );
}

SystemDimInfo _dimInfo() {
  return SystemDimInfo(
    systemInfo: const SystemInfo(raw: <String, dynamic>{}),
    eventDefinitions: const <EventDefinition>[
      EventDefinition(eventCode: 'KNOWN'),
    ],
    tagDefinitions: const <TagDefinition>[
      TagDefinition(tagName: 'tenantId', tagType: 'string', isRequired: true),
      TagDefinition(tagName: 'count', tagType: 'int', isRequired: false),
    ],
    sdkStrategy: null,
    lastFetchedAt: DateTime.now(),
  );
}

SystemDimInfo _dimInfoWithTypes() {
  return SystemDimInfo(
    systemInfo: const SystemInfo(raw: <String, dynamic>{}),
    eventDefinitions: const <EventDefinition>[
      EventDefinition(eventCode: 'TYPED'),
    ],
    tagDefinitions: const <TagDefinition>[
      TagDefinition(tagName: 'intNum', tagType: 'int', isRequired: true),
      TagDefinition(tagName: 'intStr', tagType: 'integer', isRequired: true),
      TagDefinition(tagName: 'boolNum', tagType: 'bool', isRequired: true),
      TagDefinition(tagName: 'boolStr', tagType: 'boolean', isRequired: true),
      TagDefinition(tagName: 'doubleStr', tagType: 'double', isRequired: true),
      TagDefinition(tagName: 'floatStr', tagType: 'float', isRequired: true),
      TagDefinition(tagName: 'numStr', tagType: 'num', isRequired: true),
      TagDefinition(tagName: 'unknown', tagType: 'mystery', isRequired: false),
    ],
    sdkStrategy: null,
    lastFetchedAt: DateTime.now(),
  );
}

bool _isTypeMismatch(ValidationIssue issue) =>
    issue.code == Validator.typeMismatch;

void main() {
  group('Validator', () {
    test('已配置事件且必填 tag 满足时无告警', () {
      final manager = StaticConfigManager(
        config: _config(),
        configValue: _dimInfo(),
      );
      final validator = Validator(manager);

      final result = validator.validate(
        _event(
          type: 'KNOWN',
          customTags: const <String, dynamic>{'tenantId': 't1'},
        ),
      );

      expect(result.isEmpty, true);
    });

    test('未知事件会产生 error', () {
      final manager = StaticConfigManager(
        config: _config(),
        configValue: _dimInfo(),
      );
      final validator = Validator(manager);

      final result = validator.validate(_event(type: 'UNKNOWN'));

      expect(result.hasErrors, true);
      expect(result.errors.first.code, Validator.unknownEventType);
    });

    test('缺失必填 tag 会产生 warning', () {
      final manager = StaticConfigManager(
        config: _config(),
        configValue: _dimInfo(),
      );
      final validator = Validator(manager);

      final result = validator.validate(_event(type: 'KNOWN'));

      expect(result.hasWarnings, true);
      expect(result.warnings.first.code, Validator.missingRequiredTag);
    });

    test('类型不匹配会产生 warning', () {
      final manager = StaticConfigManager(
        config: _config(),
        configValue: _dimInfo(),
      );
      final validator = Validator(manager);

      final result = validator.validate(
        _event(
          type: 'KNOWN',
          customTags: const <String, dynamic>{
            'tenantId': 't1',
            'count': 'not-an-int',
          },
        ),
      );

      expect(result.hasWarnings, true);
      expect(
        result.warnings.any(_isTypeMismatch),
        true,
      );
    });

    test('多类型匹配路径均可通过', () {
      final manager = StaticConfigManager(
        config: _config(),
        configValue: _dimInfoWithTypes(),
      );
      final validator = Validator(manager);

      final result = validator.validate(
        _event(
          type: 'TYPED',
          customTags: const <String, dynamic>{
            'intNum': 1.0,
            'intStr': '2',
            'boolNum': 0,
            'boolStr': 'no',
            'doubleStr': '3.14',
            'floatStr': '2.72',
            'numStr': '42',
            'unknown': <String, dynamic>{'any': 'value'},
          },
        ),
      );

      expect(result.hasErrors, false);
      expect(result.hasWarnings, false);
    });
  });
}