import 'package:flutter_test/flutter_test.dart';
import 'package:webview_flutter_platform_interface/webview_flutter_platform_interface.dart';
import 'package:hepan_everyday/features/school/school_session.dart';
import 'package:hepan_everyday/domain/school_term.dart';

import '../support/fake_school_web.dart';

class CountingSchoolPlatform extends FakeSchoolPlatform {
  int creations = 0;
  @override
  PlatformWebViewController createPlatformWebViewController(
    PlatformWebViewControllerCreationParams params,
  ) {
    creations++;
    return super.createPlatformWebViewController(params);
  }
}

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();
  test('local timetable startup does not construct the school browser', () {
    final platform = CountingSchoolPlatform();
    WebViewPlatform.instance = platform;
    final session = SchoolSession();
    try {
      expect(platform.creations, 0);
      expect(session.connectionState, SchoolConnectionState.signedOut);
      expect(session.hasOpened, isFalse);
    } finally {
      session.dispose();
    }
  });
  test(
    'opening school creates one reusable browser with navigation policy',
    () async {
      final platform = CountingSchoolPlatform();
      WebViewPlatform.instance = platform;
      final session = SchoolSession();
      try {
        await session.openTimetable(term: SchoolTerm(73));
        expect(platform.creations, 1);
        final controller = session.web;
        expect(session.web, same(controller));
        expect(platform.creations, 1);
        expect(platform.web.loads, isNotEmpty);
        final decision = await platform.delegate.navigation(
          NavigationRequest(
            url: 'https://unrelated.example/',
            isMainFrame: true,
          ),
        );
        expect(decision, NavigationDecision.prevent);
      } finally {
        session.dispose();
      }
    },
  );
}