// lib/models/sudoku_game_dto.dart

// 🔽 [수정] PuzzleData.kt의 새 DTO (puzzleId -> blockSize)
class SudokuGameDto {
  final String question;
  final String solution;
  final int blockSize; // 예: 3 (3x3 블록)
  
  // 🔽 [추가] blockSize로부터 gridSize 계산 (예: 9)
  final int gridSize;

  SudokuGameDto({
    required this.question,
    required this.solution,
    required this.blockSize,
  }) : gridSize = blockSize * blockSize; // 생성 시 gridSize 자동 계산

  factory SudokuGameDto.fromJson(Map<String, dynamic> json) {
    int bs = json['blockSize'] ?? 3;
    return SudokuGameDto(
      question: json['question'],
      solution: json['solution'],
      blockSize: bs,
    );
  }
}