// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'package:flutter/foundation.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_api_samples/material/context_menu/editable_text_toolbar_builder.1.dart'
    as example;
import 'package:flutter_test/flutter_test.dart';

void main() {
  testWidgets(
    'showing and hiding the custom context menu in TextField with a specific selection',
    (WidgetTester tester) async {
      await tester.pumpWidget(
        const example.EditableTextToolbarBuilderExampleApp(),
      );

      expect(BrowserContextMenu.enabled, !kIsWeb);

      expect(find.byType(AdaptiveTextSelectionToolbar), findsNothing);

      // Right clicking the Text in the TextField shows the custom context menu,
      // but no email button since no email address is selected.
      TestGesture gesture = await tester.startGesture(
        tester.getTopLeft(find.text(example.text)),
        kind: PointerDeviceKind.mouse,
        buttons: kSecondaryMouseButton,
      );
      await tester.pump();
      await gesture.up();
      await tester.pumpAndSettle();

      expect(find.byType(AdaptiveTextSelectionToolbar), findsOneWidget);
      expect(find.text('Send email'), findsNothing);

      // Tap to dismiss.
      await tester.tapAt(tester.getTopLeft(find.byType(EditableText)));
      await tester.pumpAndSettle();

      expect(find.byType(AdaptiveTextSelectionToolbar), findsNothing);

      // Select the email address.
      final EditableTextState state = tester.state<EditableTextState>(
        find.byType(EditableText),
      );
      state.updateEditingValue(
        state.textEditingValue.copyWith(
          selection: TextSelection(
            baseOffset: example.text.indexOf(example.emailAddress),
            extentOffset: example.text.length,
          ),
        ),
      );
      await tester.pump();

      // Right clicking the Text in the TextField shows the custom context menu
      // with the email button.
      gesture = await tester.startGesture(
        tester.getCenter(find.text(example.text)),
        kind: PointerDeviceKind.mouse,
        buttons: kSecondaryMouseButton,
      );
      await tester.pump();
      await gesture.up();
      await tester.pumpAndSettle();

      expect(find.byType(AdaptiveTextSelectionToolbar), findsOneWidget);
      expect(find.text('Send email'), findsOneWidget);

      // Tap to dismiss.
      await tester.tapAt(tester.getTopLeft(find.byType(EditableText)));
      await tester.pumpAndSettle();

      expect(find.byType(AdaptiveTextSelectionToolbar), findsNothing);
    },
  );
}