import 'package:backend/db/database.dart';
import 'package:drift/drift.dart';
import 'package:logging/logging.dart';
import 'package:uuid/uuid.dart';

final log = Logger('Db');

class Db {
  static final _db = AppDatabase();

  static Future<User?> getUserById(String uuid) {
    log.finest('Getting user $uuid');
    return _db.managers.users.filter((f) => f.uuid.equals(uuid)).getSingleOrNull();
  }

  static Future<User?> createUser({required String username, required String roomCode}) async {
    log.finest('Creating user $username in room $roomCode');
    final room = await _db.managers.gameRooms
        .filter((f) => f.code.equals(roomCode) & f.status.isIn([GameStatus.open, GameStatus.running]))
        .getSingleOrNull()
        .catchError((Object err) {
      log.info('Failed to find available room:$roomCode', err, StackTrace.current);
      return null;
    });
    if (room == null) return null;
    return _db.managers.users
        .createReturningOrNull(
      (o) => o(createdAt: Value(DateTime.now()), uuid: const Uuid().v4(), name: username, gameRoomUuid: room.uuid),
    )
        .catchError((Object err) {
      log.severe('Failed to create user', err, StackTrace.current);
      throw Exception(err.toString());
    });
  }

  static Future<GameRoom?> createRoom({required String roomCode}) {
    log.finest('Creating room with code $roomCode');
    return _db.managers.gameRooms
        .createReturningOrNull(
      (o) => o(createdAt: Value(DateTime.now()), status: GameStatus.open, uuid: const Uuid().v4(), code: roomCode),
    )
        .catchError(
      (Object err) {
        log.severe('Failed to create room', err, StackTrace.current);
        return null;
      },
    );
  }

  static Future<GameRoom?> getRoomByCode(String? roomCode) async {
    log.finest('Getting room by code $roomCode');
    final room = await _db.managers.gameRooms
        .filter((f) => f.code.equals(roomCode) & f.status.isIn([GameStatus.open, GameStatus.running]))
        .getSingleOrNull();
    return room;
  }

  static Future<GameRoom?> getRoomById(String roomUuid) async {
    log.finest('Getting room $roomUuid');
    throw UnimplementedError();
  }
}