// ignore_for_file: constant_identifier_names

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

const TypeGSA = "GSA";
// Auto - Field 1, auto or manual fix.
const Auto = "A";
// Manual - Field 1, auto or manual fix.
const Manual = "M";
// FixNone - Field 2, fix type.
const FixNone = "1";
// Fix2D - Field 2, fix type.
const Fix2D = "2";
// Fix3D - Field 2, fix type.
const Fix3D = "3";

class GSA {
  String mode;
  String fixType;
  List<String> sv;
  double pdop;
  double hdop;
  double vdop;
  int systemID;

  GSA(
      {required this.mode,
      required this.fixType,
      required this.sv,
      required this.pdop,
      required this.hdop,
      required this.vdop,
      required this.systemID});
  static GSA newGSA(BaseSentence s) {
    var p = Parser(s);
    var m = GSA(
      mode: p.enumString(0, "selection mode", [Auto, Manual]),
      fixType: p.enumString(1, "fix type", [FixNone, Fix2D, Fix3D]),
      sv: [],
      pdop: 0,
      hdop: 0,
      vdop: 0,
      systemID: 0,
    );
    for (int i = 2; i < 14; i++) {
      var v = p.string(i, "satellite in view");
      if (v != "") {
        m.sv.add(v);
      }
    }

    m.pdop = p.float64(14, "pdop");
    m.hdop = p.float64(15, "hdop");
    m.vdop = p.float64(16, "vdop");
    if (s.fields.length > 17) {
      m.systemID = p.int64(17, "system ID");
    }

    return m;
  }
}