// 评论模型解析单测（《03-接口文档》6.3/6.4）
import 'package:flutter_test/flutter_test.dart';

import 'package:video_app/models/comment_item.dart';

void main() {
  group('CommentItem.fromJson', () {
    test('完整字段解析', () {
      final c = CommentItem.fromJson(const {
        'comment_id': 55001,
        'user': {
          'user_id': 100030,
          'nickname': '阿花',
          'avatar_url': 'https://cdn/a.jpg',
        },
        'content': '拍得真好',
        'like_count': 12,
        'reply_count': 3,
        'created_at': '2026-10-14 10:00:00',
      });
      expect(c.commentId, 55001);
      expect(c.userId, 100030);
      expect(c.nickname, '阿花');
      expect(c.avatarUrl, 'https://cdn/a.jpg');
      expect(c.content, '拍得真好');
      expect(c.likeCount, 12);
      expect(c.replyCount, 3);
      expect(c.createdAt, '2026-10-14 10:00:00');
    });

    test('字段缺失按默认值兜底', () {
      final c = CommentItem.fromJson(const {});
      expect(c.commentId, 0);
      expect(c.nickname, '');
      expect(c.replyCount, 0);
    });

    test('copyWith 更新回复数', () {
      final c = CommentItem(commentId: 1, userId: 2, replyCount: 3);
      final c2 = c.copyWith(replyCount: 4);
      expect(c2.replyCount, 4);
      expect(c2.commentId, 1);
      expect(c.replyCount, 3); // 原对象不变
    });
  });

  group('CommentListPage.fromJson', () {
    test('total 与列表解析', () {
      final page = CommentListPage.fromJson(const {
        'total': 78,
        'list': [
          {
            'comment_id': 55001,
            'user': {'user_id': 100030, 'nickname': '阿花', 'avatar_url': ''},
            'content': '拍得真好',
            'like_count': 12,
            'reply_count': 3,
            'created_at': '2026-10-14 10:00:00',
          },
        ],
      });
      expect(page.total, 78);
      expect(page.items, hasLength(1));
      expect(page.items.first.commentId, 55001);
    });
  });

  group('RewardProgress / CommentCreateResult', () {
    test('普通发表：未发奖', () {
      final r = CommentCreateResult.fromJson(const {
        'comment_id': 55010,
        'reward_progress': {
          'current': 5,
          'target': 10,
          'rewarded_this_time': false,
        },
      });
      expect(r.commentId, 55010);
      expect(r.rewardProgress.current, 5);
      expect(r.rewardProgress.target, 10);
      expect(r.rewardProgress.rewardedThisTime, isFalse);
      expect(r.rewardProgress.rewardPoints, 0);
    });

    test('满刻度发奖：reward_points 解析', () {
      final r = CommentCreateResult.fromJson(const {
        'comment_id': 55011,
        'reward_progress': {
          'current': 0,
          'target': 10,
          'rewarded_this_time': true,
          'reward_points': 1,
        },
      });
      expect(r.rewardProgress.rewardedThisTime, isTrue);
      expect(r.rewardProgress.rewardPoints, 1);
    });
  });
}