// 功能描述：验证工作人员端鉴权守卫保留目标页，并在重新登录后返回原页面。
// 版本：1.0.0
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:http/http.dart' as http;
import 'package:http/testing.dart';
import 'package:service_app/app/dependencies.dart';
import 'package:service_app/app/router.dart';
import 'package:service_app/data/offline/encrypted_draft_store.dart';
import 'package:service_app/data/repositories/service_repository.dart';
import 'package:service_app/data/services/api_client.dart';
import 'package:service_app/data/services/location_service.dart';
import 'package:service_app/data/services/secure_session_store.dart';

/// 提供无需平台插件的空会话存储。
class _EmptySessionStore implements SessionStore {
  @override
  Future<void> delete(String key) async {}

  @override
  Future<String?> read(String key) async => null;

  @override
  Future<void> write(String key, String value) async {}
}

/// 提供可切换鉴权状态的测试会话。
class _RouterTestSession extends StaffSession {
  _RouterTestSession({required this.authenticated, required this.expired})
    : super(_EmptySessionStore());

  bool authenticated;
  bool expired;

  @override
  bool get isAuthenticated => authenticated;

  @override
  bool get hasExpired => expired;

  @override
  String get roleCode => 'delivery';

  /// 模拟工作人员重新登录成功并唤醒路由刷新。
  void authenticate() {
    authenticated = true;
    expired = false;
    notifyListeners();
  }
}

/// 提供不会在路由测试中访问系统定位的占位实现。
class _UnusedLocationService implements LocationService {
  @override
  Future<LocationPoint> current() => throw UnimplementedError();
}

/// 覆盖过期提示、查询参数保留和登录后回跳。
void main() {
  testWidgets('令牌失效后跳转登录并在登录后返回原目标页', (tester) async {
    final session = _RouterTestSession(authenticated: false, expired: true);
    final dependencies = AppDependencies(
      session: session,
      repository: ServiceRepository(
        ApiClient(
          () => '',
          baseUrl: 'https://api.example.com',
          client: MockClient(
            (request) async => http.Response(
              '{"code":0,"details":{"role_code":"delivery","work_status":"off_duty","can_work":false,"checks":{}}}',
              200,
            ),
          ),
        ),
        _UnusedLocationService(),
      ),
      drafts: EncryptedDraftStore(),
    );
    final router = createRouter(
      dependencies,
      initialLocation: '/preflight?source=expired#checks',
    );
    addTearDown(router.dispose);

    await tester.pumpWidget(MaterialApp.router(routerConfig: router));
    await tester.pumpAndSettle();

    final loginUri = router.routeInformationProvider.value.uri;
    expect(loginUri.path, '/login');
    expect(loginUri.queryParameters['redirect'], '/preflight?source=expired#checks');
    expect(loginUri.queryParameters['reason'], 'expired');
    expect(find.text('登录状态已失效，请重新登录'), findsOneWidget);

    session.authenticate();
    await tester.pumpAndSettle();

    final restoredUri = router.routeInformationProvider.value.uri;
    expect(restoredUri.path, '/preflight');
    expect(restoredUri.queryParameters['source'], 'expired');
    expect(restoredUri.fragment, 'checks');
  });
}