// TypeDSC type of DSC sentence for Digital Selective Calling Information
// ignore_for_file: constant_identifier_names

import 'sentence.dart';
import 'parser.dart';

const TypeDSC = "DSC";

// AcknowledgementRequestDSC is type for Acknowledge request
const AcknowledgementRequestDSC = "R";
// AcknowledgementDSC is type for Acknowledgement
const AcknowledgementDSC = "B";
// AcknowledgementNeitherDSC is type for Neither (end of sequence)
const AcknowledgementNeitherDSC = "S";

class DSC {
  String formatSpecifier;
  String address;
  String category;
  String distressCauseOrTeleCommand1;
  String commandTypeOrTeleCommand2;
  String positionOrCanal;
  String timeOrTelephoneNumber;
  String mmsi;
  String distressCause;
  String acknowledgement;
  String expansionIndicator;
  DSC({
    required this.formatSpecifier,
    required this.address,
    required this.category,
    required this.distressCauseOrTeleCommand1,
    required this.commandTypeOrTeleCommand2,
    required this.positionOrCanal,
    required this.timeOrTelephoneNumber,
    required this.mmsi,
    required this.distressCause,
    required this.acknowledgement,
    required this.expansionIndicator,
  });
  static DSC newDSC(BaseSentence s) {
    var p = Parser(s);
    return DSC(
      formatSpecifier: p.string(0, "format specifier"),
      address: p.string(1, "address"),
      category: p.string(2, "category"),
      distressCauseOrTeleCommand1:
          p.string(3, "cause of the distress or first telecommand"),
      commandTypeOrTeleCommand2:
          p.string(4, "type of communication or second telecommand"),
      positionOrCanal: p.string(5, "position or canal"),
      timeOrTelephoneNumber: p.string(6, "time or telephone"),
      mmsi: p.string(7, "MMSI"),
      distressCause: p.string(8, "distress cause"),
      acknowledgement: p.enumString(9, "acknowledgement", [
        AcknowledgementRequestDSC,
        " $AcknowledgementRequestDSC",
        AcknowledgementDSC,
        " $AcknowledgementDSC",
        AcknowledgementNeitherDSC,
        " $AcknowledgementNeitherDSC",
      ]).trim(),
      expansionIndicator: p.string(10, "expansion indicator"),
    );
  }
}