mchess-client/lib/api/game_info.dart

import 'package:shared_preferences/shared_preferences.dart';
import 'package:uuid/uuid.dart';

class GameInfo {
  final UuidValue? playerID;
  final String? passphrase;

  const GameInfo({
    required this.playerID,
    required this.passphrase,
  });

  factory GameInfo.empty() {
    return const GameInfo(playerID: null, passphrase: null);
  }

  factory GameInfo.fromJson(Map<String, dynamic> json) {
    final playerid = UuidValue.fromString(json['playerID']);
    final passphrase = json['passphrase'];

    return GameInfo(playerID: playerid, passphrase: passphrase);
  }

  Map<String, dynamic> toJson() {
    String? pid;

    if (playerID != null) {
      pid = playerID.toString();
    }

    return {
      'playerID': pid,
      'passphrase': passphrase,
    };
  }

  void store() async {
    final SharedPreferences prefs = await SharedPreferences.getInstance();

    await prefs.setString(passphrase!, playerID.toString());
  }

  static Future<GameInfo?> get(String phrase) async {
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    var playerID = prefs.getString(phrase);

    if (playerID == null) return null;

    return GameInfo(
        playerID: UuidValue.fromString(playerID), passphrase: phrase);
  }
}

class WebsocketMessageIdentifyPlayer {
  final String playerID;
  final String? passphrase;

  const WebsocketMessageIdentifyPlayer({
    required this.playerID,
    required this.passphrase,
  });

  Map<String, dynamic> toJson() =>
      {'playerID': playerID, 'passphrase': passphrase};
}