// 消息通知模块模型解析单测
import 'package:flutter_test/flutter_test.dart';

import 'package:video_app/services/notification_service.dart';

void main() {
  group('NotificationItem', () {
    test('fromJson 解析（服务端字段）', () {
      final n = NotificationItem.fromJson(const {
        'id': 701,
        'type': 1,
        'title': '视频审核通过',
        'content': '你发布的《海边日落》已通过审核',
        'biz_id': '88001',
        'is_read': false,
        'created_at': '2026-10-14 15:00:00',
      });
      expect(n.id, 701);
      expect(n.type, 1);
      expect(n.typeLabel, '审核');
      expect(n.isRead, isFalse);
      expect(n.videoId, 88001);
    });

    test('缺省兜底 + 类型标签', () {
      final n = NotificationItem.fromJson(const {'id': 1, 'title': '系统'});
      expect(n.type, 3); // 缺省按公告
      expect(n.typeLabel, '公告');
      expect(n.bizId, '');
      expect(n.videoId, isNull);

      // 未知类型
      final x = NotificationItem.fromJson(const {'id': 2, 'type': 99});
      expect(x.typeLabel, '通知');

      // 非审核类型不解析 videoId
      final w = NotificationItem.fromJson(
        const {'id': 3, 'type': 2, 'biz_id': 'W20261014001'},
      );
      expect(w.videoId, isNull);
    });

    test('copyWith 标记已读', () {
      const n = NotificationItem(id: 1, type: 4, title: '回复');
      final read = n.copyWith(isRead: true);
      expect(read.isRead, isTrue);
      expect(read.typeLabel, '回复');
      expect(n.isRead, isFalse); // 原对象不可变
    });
  });

  group('NotificationsPage', () {
    test('分页解析', () {
      final p = NotificationsPage.fromJson(const {
        'total': 42,
        'list': [
          {'id': 1, 'type': 1, 'title': 'a', 'is_read': true},
          {'id': 2, 'type': 4, 'title': 'b', 'is_read': false},
        ],
      });
      expect(p.total, 42);
      expect(p.items.length, 2);
      expect(p.items[0].isRead, isTrue);
      expect(p.items[1].typeLabel, '回复');
    });

    test('空响应兜底', () {
      final p = NotificationsPage.fromJson(const {});
      expect(p.total, 0);
      expect(p.items, isEmpty);
    });
  });
}