// 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/services.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_api_samples/widgets/shortcuts/shortcuts.1.dart'
    as example;
import 'package:flutter_test/flutter_test.dart';

void main() {
  testWidgets('Verify correct labels are displayed', (
    WidgetTester tester,
  ) async {
    await tester.pumpWidget(const example.ShortcutsExampleApp());

    expect(find.text('Shortcuts Sample'), findsOneWidget);
    expect(
      find.text('Add to the counter by pressing the up arrow key'),
      findsOneWidget,
    );
    expect(
      find.text('Subtract from the counter by pressing the down arrow key'),
      findsOneWidget,
    );
    expect(find.text('count: 0'), findsOneWidget);
  });

  testWidgets('Up and down arrow press updates counter', (
    WidgetTester tester,
  ) async {
    await tester.pumpWidget(const example.ShortcutsExampleApp());

    int counter = 0;

    while (counter <= 10) {
      expect(find.text('count: $counter'), findsOneWidget);

      // Increment the counter.
      await tester.sendKeyEvent(LogicalKeyboardKey.arrowUp);
      await tester.pump();

      counter += 2;
    }

    while (counter >= 0) {
      expect(find.text('count: $counter'), findsOneWidget);

      // Decrement the counter.
      await tester.sendKeyEvent(LogicalKeyboardKey.arrowDown);
      await tester.pump();

      counter -= 2;
    }
  });

  // Regression test for https://github.com/flutter/flutter/issues/156806.
  testWidgets('SingleActivator is used instead of LogicalKeySet', (
    WidgetTester tester,
  ) async {
    await tester.pumpWidget(const example.ShortcutsExampleApp());

    final Shortcuts shortcuts = tester.firstWidget(
      find.descendant(
        of: find.byType(example.ShortcutsExample),
        matching: find.byType(Shortcuts),
      ),
    );

    expect(shortcuts.shortcuts.length, 2);
    for (final ShortcutActivator activator in shortcuts.shortcuts.keys) {
      expect(activator is LogicalKeySet, false);
      expect(activator is SingleActivator, true);
    }
  });
}
