import 'dart:async';

import 'package:flutter/foundation.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_inappwebview/flutter_inappwebview.dart';
import 'package:flutter_test/flutter_test.dart';

import '../constants.dart';

void pageDownUp() {
  final shouldSkip = kIsWeb
      ? true
      : ![
          TargetPlatform.android,
        ].contains(defaultTargetPlatform);

  testWidgets('pageDown/pageUp', (WidgetTester tester) async {
    final Completer<InAppWebViewController> controllerCompleter =
        Completer<InAppWebViewController>();
    final Completer<void> pageLoaded = Completer<void>();

    await tester.pumpWidget(
      Directionality(
        textDirection: TextDirection.ltr,
        child: InAppWebView(
          key: GlobalKey(),
          initialUrlRequest: URLRequest(url: TEST_CROSS_PLATFORM_URL_1),
          onWebViewCreated: (controller) {
            controllerCompleter.complete(controller);
          },
          onLoadStop: (controller, url) {
            pageLoaded.complete();
          },
        ),
      ),
    );

    final InAppWebViewController controller = await controllerCompleter.future;
    await pageLoaded.future;
    await tester.pump();
    await Future.delayed(Duration(seconds: 1));
    expect(await controller.pageDown(bottom: false), true);
    await Future.delayed(Duration(seconds: 1));
    expect(await controller.pageUp(top: false), true);
  }, skip: shouldSkip);
}