import 'package:json_annotation/json_annotation.dart';

part 'chat_item.g.dart';

@JsonSerializable()
class ChatItem {
  @JsonKey(name: "id", fromJson: _intToString, toJson: _stringToInt)
  final String id;

  @JsonKey(name: "chatId")
  final String conversationId;

  @JsonKey(name: "role")
  final String role;

  @JsonKey(name: "content")
  String content;

  @JsonKey(name: "createTime")
  final String createTime;

  @JsonKey(name: "talkId")
  String? talkId;

  @JsonKey(name: "title")
  String? talkTitle;

  ChatItem({
    required this.id,
    required this.conversationId,
    required this.role,
    required this.content,
    required this.createTime,
  });

  factory ChatItem.fromJson(Map<String, dynamic> json) => _$ChatItemFromJson(json);

  static String _intToString(int value) => value.toString();
  static int _stringToInt(String value) => int.parse(value);
}