import 'package:flutter/foundation.dart';
import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:flutter_local_notifications/flutter_local_notifications.dart';
import 'package:hepan_everyday/services/local_notification_service.dart';

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();
  test('transient native initialization failure can be retried', () async {
    debugDefaultTargetPlatformOverride = TargetPlatform.android;
    AndroidFlutterLocalNotificationsPlugin.registerWith();
    const channel = MethodChannel('dexterous.com/flutter/local_notifications');
    var attempts = 0;
    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
        .setMockMethodCallHandler(channel, (call) async {
          if (call.method == 'initialize') {
            attempts++;
            if (attempts == 1) {
              throw PlatformException(code: 'temporarily-unavailable');
            }
            return true;
          }
          if (call.method == 'getNotificationAppLaunchDetails') {
            return {'notificationLaunchedApp': false};
          }
          return null;
        });
    addTearDown(() {
      debugDefaultTargetPlatformOverride = null;
      TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
          .setMockMethodCallHandler(channel, null);
    });
    final gateway = PluginReminderGateway();
    await expectLater(gateway.initialize(), throwsA(isA<PlatformException>()));
    await gateway.initialize();
    expect(attempts, 2);
  });
  test(
    'disabled course notification channel is reported even with app permission',
    () async {
      debugDefaultTargetPlatformOverride = TargetPlatform.android;
      AndroidFlutterLocalNotificationsPlugin.registerWith();
      const channel = MethodChannel(
        'dexterous.com/flutter/local_notifications',
      );
      var importance = 0;
      TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
          .setMockMethodCallHandler(channel, (call) async {
            switch (call.method) {
              case 'initialize':
                return true;
              case 'getNotificationAppLaunchDetails':
                return {'notificationLaunchedApp': false};
              case 'areNotificationsEnabled':
                return true;
              case 'canScheduleExactNotifications':
                return true;
              case 'getNotificationChannels':
                return [
                  {
                    'id': 'hepan_lessons',
                    'name': '课前提醒',
                    'description': '课程开始前的提醒',
                    'importance': importance,
                    'showBadge': true,
                    'playSound': true,
                    'enableVibration': true,
                    'enableLights': false,
            'bypassDnd': false,
            'ledColor': 0,
            'audioAttributesUsage': 5,
                  },
                ];
            }
            return null;
          });
      addTearDown(() {
        debugDefaultTargetPlatformOverride = null;
        TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
            .setMockMethodCallHandler(channel, null);
      });
      final gateway = PluginReminderGateway();
      expect(
        (await gateway.permissions(request: false)).notifications,
        isFalse,
      );
      importance = 4;
      expect((await gateway.permissions(request: false)).notifications, isTrue);
    },
  );
}