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';

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

  testWidgets('find interactions', (WidgetTester tester) async {
    final Completer<void> pageLoaded = Completer<void>();
    final findInteractionController = FindInteractionController();

    await tester.pumpWidget(
      Directionality(
        textDirection: TextDirection.ltr,
        child: InAppWebView(
          key: GlobalKey(),
          initialFile: "test_assets/in_app_webview_initial_file_test.html",
          findInteractionController: findInteractionController,
          initialSettings: InAppWebViewSettings(
              clearCache: true, isFindInteractionEnabled: true),
          onLoadStop: (controller, url) {
            pageLoaded.complete();
          },
        ),
      ),
    );

    await pageLoaded.future;

    await tester.pump();
    await Future.delayed(Duration(seconds: 1));

    const firstSearchText = "InAppWebViewInitialFileTest";
    await expectLater(
        findInteractionController.findAll(find: firstSearchText), completes);
    expect(await findInteractionController.getSearchText(), firstSearchText);
    if ([TargetPlatform.android].contains(defaultTargetPlatform)) {
      await Future.delayed(Duration(seconds: 1));
    }
    final session = await findInteractionController.getActiveFindSession();
    expect(session!.resultCount, 2);
    await expectLater(
        findInteractionController.findNext(forward: true), completes);
    await expectLater(
        findInteractionController.findNext(forward: false), completes);
    await expectLater(findInteractionController.clearMatches(), completes);

    const secondSearchText = "text";
    await expectLater(
        findInteractionController.setSearchText(secondSearchText), completes);
    if ([TargetPlatform.iOS, TargetPlatform.macOS]
        .contains(defaultTargetPlatform)) {
      await expectLater(
          findInteractionController.presentFindNavigator(), completes);
      expect(await findInteractionController.getSearchText(), secondSearchText);
      expect(await findInteractionController.isFindNavigatorVisible(), true);
      await expectLater(
          findInteractionController.updateResultCount(), completes);
      await expectLater(
          findInteractionController.dismissFindNavigator(), completes);
      expect(await findInteractionController.isFindNavigatorVisible(), false);
    }
  }, skip: shouldSkip);

  testWidgets('onFindResultReceived', (WidgetTester tester) async {
    final Completer<void> pageLoaded = Completer<void>();
    final Completer<int> numberOfMatchesCompleter = Completer<int>();
    final findInteractionController = FindInteractionController(
      onFindResultReceived: (controller, int activeMatchOrdinal,
          int numberOfMatches, bool isDoneCounting) async {
        if (isDoneCounting && !numberOfMatchesCompleter.isCompleted) {
          numberOfMatchesCompleter.complete(numberOfMatches);
        }
      },
    );

    await tester.pumpWidget(
      Directionality(
        textDirection: TextDirection.ltr,
        child: InAppWebView(
          key: GlobalKey(),
          initialFile: "test_assets/in_app_webview_initial_file_test.html",
          initialSettings: InAppWebViewSettings(
              clearCache: true, isFindInteractionEnabled: false),
          findInteractionController: findInteractionController,
          onLoadStop: (controller, url) {
            pageLoaded.complete();
          },
        ),
      ),
    );

    await pageLoaded.future;

    await tester.pump();
    await Future.delayed(Duration(seconds: 1));

    await findInteractionController.findAll(
        find: "InAppWebViewInitialFileTest");
    final int numberOfMatches = await numberOfMatchesCompleter.future;
    expect(numberOfMatches, 2);
    final session = await findInteractionController.getActiveFindSession();
    expect(session!.resultCount, 2);
  }, skip: shouldSkip);
}