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

  final expectedValue = [PermissionResourceType.CAMERA];

  testWidgets('onPermissionRequest', (WidgetTester tester) async {
    final Completer<InAppWebViewController> controllerCompleter =
        Completer<InAppWebViewController>();
    final Completer<void> pageLoaded = Completer<void>();
    final Completer<List<PermissionResourceType>> onPermissionRequestCompleter =
        Completer<List<PermissionResourceType>>();

    await tester.pumpWidget(
      Directionality(
        textDirection: TextDirection.ltr,
        child: InAppWebView(
          key: GlobalKey(),
          initialUrlRequest: URLRequest(url: TEST_PERMISSION_SITE),
          onWebViewCreated: (controller) {
            controllerCompleter.complete(controller);
          },
          onLoadStop: (controller, url) {
            pageLoaded.complete();
          },
          onPermissionRequest: (controller, permissionRequest) async {
            onPermissionRequestCompleter.complete(permissionRequest.resources);
            return PermissionResponse(
                resources: permissionRequest.resources,
                action: PermissionResponseAction.GRANT);
          },
        ),
      ),
    );

    final InAppWebViewController controller = await controllerCompleter.future;
    await pageLoaded.future;
    await controller.evaluateJavascript(
        source: "document.querySelector('#camera').click();");
    await tester.pump();
    final List<PermissionResourceType> resources =
        await onPermissionRequestCompleter.future;

    expect(listEquals(resources, expectedValue), true);
  }, skip: shouldSkip);

  // final shouldSkip2 = kIsWeb
  //     ? true
  //     : ![
  //         TargetPlatform.android,
  //       ].contains(defaultTargetPlatform);
  // TODO: this test is not working
  final shouldSkip2 = true;

  testWidgets('onPermissionRequestCanceled', (WidgetTester tester) async {
    final Completer<InAppWebViewController> controllerCompleter =
        Completer<InAppWebViewController>();
    final Completer<void> pageLoaded = Completer<void>();
    final Completer<List<PermissionResourceType>> onPermissionRequestCompleter =
        Completer<List<PermissionResourceType>>();
    final Completer<List<PermissionResourceType>>
        onPermissionRequestCancelCompleter =
        Completer<List<PermissionResourceType>>();

    await tester.pumpWidget(
      Directionality(
        textDirection: TextDirection.ltr,
        child: InAppWebView(
          key: GlobalKey(),
          initialUrlRequest: URLRequest(url: TEST_PERMISSION_SITE),
          onWebViewCreated: (controller) {
            controllerCompleter.complete(controller);
          },
          onLoadStop: (controller, url) {
            if (pageLoaded.isCompleted) {
              pageLoaded.complete();
            }
          },
          onPermissionRequest: (controller, permissionRequest) async {
            onPermissionRequestCompleter.complete(permissionRequest.resources);
            await Future.delayed(Duration(seconds: 5));
            return PermissionResponse(
                resources: permissionRequest.resources,
                action: PermissionResponseAction.GRANT);
          },
          onPermissionRequestCanceled: (controller, permissionRequest) {
            onPermissionRequestCancelCompleter
                .complete(permissionRequest.resources);
          },
        ),
      ),
    );

    final InAppWebViewController controller = await controllerCompleter.future;
    await pageLoaded.future;
    await controller.evaluateJavascript(
        source: "document.querySelector('#camera').click();");
    await tester.pump();

    final List<PermissionResourceType> resources =
        await onPermissionRequestCompleter.future;
    expect(listEquals(resources, expectedValue), true);

    controller.reload();

    final List<PermissionResourceType> canceledResources =
        await onPermissionRequestCancelCompleter.future;
    expect(listEquals(canceledResources, expectedValue), true);
  }, skip: shouldSkip2);
}