import 'dart:convert';

import 'package:flutter_local_notifications/flutter_local_notifications.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:marianum_mobile/push/push_tap_router.dart';
import 'package:marianum_mobile/push/push_target.dart';

void main() {
  group('resolvePushTarget', () {
    test('a parent letter push routes by its letter id', () {
      final target = resolvePushTarget({
        'source': 'connect',
        'type': 'parent-letter',
        'parentLetterId': 'l1',
        'event': 'reply',
        'title': 'Hr. Müller: Wandertag',
      });
      expect(
        target,
        isA<ParentLetterTarget>().having((t) => t.letterId, 'letterId', 'l1'),
      );
    });

    test('newsletter pushes route by newsletterId', () {
      expect(
        resolvePushTarget({'source': 'connect', 'newsletterId': 'n1'}),
        isA<NewsletterTarget>().having((t) => t.newsletterId, 'id', 'n1'),
      );
    });

    test('chat pushes accept every token key in use', () {
      for (final key in ['chatToken', 'token', 'roomToken']) {
        expect(
          resolvePushTarget({key: 'abc', 'nid': 5}),
          isA<ChatTarget>().having((t) => t.chatToken, 'chatToken', 'abc'),
          reason: key,
        );
      }
    });

    test('empty ids and unrelated data name no target', () {
      expect(resolvePushTarget({'parentLetterId': ''}), isNull);
      expect(resolvePushTarget({'type': 'widget-refresh'}), isNull);
      expect(resolvePushTarget({'chatToken': 7}), isNull);
    });
  });

  group('PushTapRouter.handleResponse', () {
    setUp(() => PushTapRouter.pendingTarget.value = null);

    NotificationResponse tap(String payload) => NotificationResponse(
      notificationResponseType: NotificationResponseType.selectedNotification,
      payload: payload,
    );

    test('publishes the target of a tapped notification', () {
      PushTapRouter.handleResponse(tap(jsonEncode({'parentLetterId': 'l1'})));
      expect(PushTapRouter.pendingTarget.value, isA<ParentLetterTarget>());
    });

    test('ignores broken payloads', () {
      PushTapRouter.handleResponse(tap('not json'));
      expect(PushTapRouter.pendingTarget.value, isNull);
    });
  });
}