/// Response model for Blossom blob upload (blob descriptor per BUD-02).
class BlossomUploadResponse {
  /// The SHA256 hash of the blob.
  final String hash;

  /// The URL to access the blob.
  final String url;

  /// Optional size in bytes.
  final int? size;

  BlossomUploadResponse({
    required this.hash,
    required this.url,
    this.size,
  });

  factory BlossomUploadResponse.fromJson(Map<String, dynamic> json) {
    return BlossomUploadResponse(
      hash: json['hash'] as String? ?? json['sha256'] as String? ?? '',
      url: json['url'] as String? ?? '',
      size: json['size'] as int?,
    );
  }
}