class PlanDetailItem {
  final String lessonId;
  final String lessonTag;
  final String lessonUrl;
  final String thumbnail;
  final String lessonName;
  final String lessonDescription;

  PlanDetailItem({
    required this.lessonId,
    required this.lessonTag,
    required this.lessonUrl,
    required this.thumbnail,
    required this.lessonName,
    required this.lessonDescription,
  });

  factory PlanDetailItem.fromJson(Map<String, dynamic> json) {
    return PlanDetailItem(
      lessonId: json['casestudy lesson id'] ?? 'ID 없음',
      lessonTag: json['lesson tag'] ?? '태그 없음',
      lessonUrl: json['lesson url'] ?? 'URL 없음',
      thumbnail: json['thumbnail'] ?? '',
      lessonName: json['lesson_name'] ?? '이름 없음',
      lessonDescription: json['lesson_description'] ?? '설명 없음',
    );
  }
}