import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:jiu_client/core/auth/auth_state.dart';
import 'package:jiu_client/core/config/store_compliance.dart';
import 'package:jiu_client/core/theme/themes.dart';
import 'package:jiu_client/providers/license_provider.dart';
import 'package:jiu_client/screens/license/license_screen.dart';

/// 授权管理独立一级屏（2026-07-10 三 tab 化）tab 可见性回归：
/// - 「在线购买续费」iOS App Store 合规态（3.1.1）整 tab 隐藏；
/// - 「订单管理」GET /license/purchases 仅管理员可用，非管理员隐藏该 tab。

class _FakeAuth extends AuthNotifier {
  _FakeAuth(String role) {
    state = AuthState(
      user: AuthUser(
          accessToken: 't',
          refreshToken: 'r',
          id: 1,
          username: 'wang',
          realName: '王经理',
          shopNo: 'S001',
          shopId: 1,
          role: role),
    );
  }
}

class _FakeLicense extends LicenseNotifier {
  @override
  Future<LicenseInfo?> build() async => LicenseInfo(
        id: 1,
        type: 'annual',
        isActive: true,
        maxDevices: 2,
        phase: 'normal',
        expiresAt: DateTime.now().add(const Duration(days: 100)),
      );
}

Widget _screen({required String role}) => ProviderScope(
      overrides: [
        authStateProvider.overrideWith((ref) => _FakeAuth(role)),
        licenseProvider.overrideWith(() => _FakeLicense()),
      ],
      child: MaterialApp(
        theme: buildTheme('a'),
        home: const Scaffold(body: LicenseScreen()),
      ),
    );

void main() {
  tearDown(() => debugForceHideExternalPurchaseUi = null);

  testWidgets('管理员 + 非 iOS：三 tab 全部可见', (tester) async {
    debugForceHideExternalPurchaseUi = false;
    await tester.pumpWidget(_screen(role: 'admin'));
    await tester.pumpAndSettle();

    expect(find.text('在线购买 / 续费'), findsOneWidget);
    expect(find.text('订单管理'), findsOneWidget);
  });

  testWidgets('iOS 合规态：购买 tab 隐藏，订单 tab 仍在', (tester) async {
    debugForceHideExternalPurchaseUi = true;
    await tester.pumpWidget(_screen(role: 'admin'));
    await tester.pumpAndSettle();

    expect(find.text('在线购买 / 续费'), findsNothing);
    expect(find.text('订单管理'), findsOneWidget);
  });

  testWidgets('非管理员：订单管理 tab 隐藏，购买 tab 仍可见', (tester) async {
    debugForceHideExternalPurchaseUi = false;
    await tester.pumpWidget(_screen(role: 'operator'));
    await tester.pumpAndSettle();

    expect(find.text('在线购买 / 续费'), findsOneWidget);
    expect(find.text('订单管理'), findsNothing);
  });
}