/// Egy mérési felvétel (lövés) a PC-szoftver által feltöltött
/// `terepi_seged_measure_records` táblából.
///
/// SZÁNDÉKOSAN nincs helyi tükör — ez a PC-szoftverből folyamatosan,
/// élőben érkező adat, mindig friss, sosem gyorsítótárazott (lásd
/// MeasureDataService.watchRecords).
class MeasuredRecord {
  final int id;
  final String projectId;
  final double? sourceLineNumber;
  final double? sourcePointNumber;
  final DateTime measuredAt;
  final double? eovX;
  final double? eovY;
  final int? gpsTimeInMicroseconds;
  final int? minReceiverPointNumber;
  final int? minReceiverPointFduNumber;
  final int? maxReceiverPointNumber;
  final int? maxReceiverPointFduNumber;
  final String? imagePath;
  final String? imageUrl;
  final int? ffid;
  final int? recordType;
  final int? recordSerialNumberOfSourcePoint;

  const MeasuredRecord({
    required this.id,
    required this.projectId,
    this.sourceLineNumber,
    this.sourcePointNumber,
    required this.measuredAt,
    this.eovX,
    this.eovY,
    this.gpsTimeInMicroseconds,
    this.minReceiverPointNumber,
    this.minReceiverPointFduNumber,
    this.maxReceiverPointNumber,
    this.maxReceiverPointFduNumber,
    this.imagePath,
    this.imageUrl,
    this.ffid,
    this.recordType,
    this.recordSerialNumberOfSourcePoint,
  });

  factory MeasuredRecord.fromMap(Map<String, dynamic> m) => MeasuredRecord(
        id: m['id'] as int,
        projectId: m['project_id'] as String,
        sourceLineNumber: (m['source_line_number'] as num?)?.toDouble(),
        sourcePointNumber: (m['source_point_number'] as num?)?.toDouble(),
        measuredAt: DateTime.parse(m['measured_at'] as String),
        eovX: (m['eov_x'] as num?)?.toDouble(),
        eovY: (m['eov_y'] as num?)?.toDouble(),
        gpsTimeInMicroseconds: (m['gps_time_in_microseconds'] as num?)?.toInt(),
        minReceiverPointNumber:
            (m['min_receiver_point_number'] as num?)?.toInt(),
        minReceiverPointFduNumber:
            (m['min_receiver_point_fdu_number'] as num?)?.toInt(),
        maxReceiverPointNumber:
            (m['max_receiver_point_number'] as num?)?.toInt(),
        maxReceiverPointFduNumber:
            (m['max_receiver_point_fdu_number'] as num?)?.toInt(),
        imagePath: m['image_path'] as String?,
        imageUrl: m['image_url'] as String?,
        ffid: (m['ffid'] as num?)?.toInt(),
        recordType: (m['record_type'] as num?)?.toInt(),
        recordSerialNumberOfSourcePoint:
            (m['record_serial_number_of_source_point'] as num?)?.toInt(),
      );

  bool get hasImage =>
      (imageUrl != null && imageUrl!.isNotEmpty) ||
      (imagePath != null && imagePath!.isNotEmpty);

  String? get geophoneRange =>
      (minReceiverPointNumber != null && maxReceiverPointNumber != null)
          ? '$minReceiverPointNumber–$maxReceiverPointNumber'
          : null;
}