class AiResponseModel {
  int? chatId;
  String? content;
  String? aiMessageId;
  String? humanMessageId;
  String? chatTitle;
  int? credit;
  int? freeCredit;
  bool? error;
  int? statusCode;
  String? detail;

  AiResponseModel(
      {this.chatId,
      this.content,
      this.aiMessageId,
      this.humanMessageId,
      this.credit,
      this.detail,
      this.error,
      this.freeCredit,
      this.statusCode,
      this.chatTitle});

  AiResponseModel.fromJson(Map<String, dynamic> json) {
    chatId = json['chat_id'] is String
        ? int.tryParse(json['chat_id'])
        : json['chat_id'];
    chatTitle = json['chat_title'];
    content = json['content'];
    aiMessageId = json['ai_message_id'];
    humanMessageId = json['human_message_id'];
    credit = json['credit'] is String
        ? int.tryParse(json['credit'])
        : json['credit'];
    error = json['error'] ?? false;
    detail = json['detail'];
    statusCode = json['status_code'] ?? 200;
    freeCredit =
        json['free'] is String ? int.tryParse(json['free']) : json['free'];
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = <String, dynamic>{};
    data['chat_id'] = chatId;
    data['chat_title'] = chatTitle;
    data['content'] = content;
    data['ai_message_id'] = aiMessageId;
    data['human_message_id'] = humanMessageId;
    data['credit'] = credit;
    return data;
  }

  AiResponseModel copyWith({
    int? chatId,
    String? content,
    String? aiMessageId,
    String? humanMessageId,
    int? credit,
    int? freeCredit,
    String? chatTitle,
    bool? error,
    int? statusCode,
    String? detail,
  }) {
    return AiResponseModel(
      chatId: chatId ?? this.chatId,
      content: content ?? this.content,
      aiMessageId: aiMessageId ?? this.aiMessageId,
      humanMessageId: humanMessageId ?? this.humanMessageId,
      chatTitle: chatTitle ?? this.chatTitle,
      credit: credit ?? this.credit,
      error: error ?? this.error,
      statusCode: statusCode ?? this.statusCode,
      detail: detail ?? this.detail,
      freeCredit: freeCredit ?? this.freeCredit,
    );
  }
}