// ignore_for_file: constant_identifier_names

import 'parser.dart';

import 'sentence.dart';

const TypeALC = "ALC";

class ALC {
  int numFragments; // 0
  int fragmentNumber; // 1
  int messageID; // 2
  int entriesNumber; // 3
  List<ALCAlertEntry> alertEntries;

  ALC({
    required this.numFragments,
    required this.fragmentNumber,
    required this.messageID,
    required this.entriesNumber,
    required this.alertEntries,
  });

  static ALC newALC(BaseSentence s) {
    var p = Parser(s);
    var alc = ALC(
        numFragments: p.int64(0, "number of fragments"),
        fragmentNumber: p.int64(1, "fragment number"),
        messageID: p.int64(2, "message ID"),
        entriesNumber: p.int64(3, "entries number"),
        alertEntries: []);

    int fieldCount = s.fields.length;
    if (fieldCount == 4) {
      return alc;
    }
    if (fieldCount % 4 != 0) {
      return alc;
    }
    for (int i = 4; i < fieldCount; i = i + 4) {
      var tmp = ALCAlertEntry(
        manufacturerMnemonicCode:
            p.string(i * 4 + 4, "manufacturer mnemonic code"),
        alertIdentifier: p.int64(i * 4 + 5, "alert identifier"),
        alertInstance: p.int64(i * 4 + 6, "alert instance"),
        revisionCounter: p.int64(i * 4 + 7, "revision counter"),
      );
      alc.alertEntries.add(tmp);
    }
    return alc;
  }
}

class ALCAlertEntry {
  String manufacturerMnemonicCode; // i+4
  int alertIdentifier; // i+5
  int alertInstance; // i+6
  int revisionCounter; // i+7

  ALCAlertEntry({
    required this.manufacturerMnemonicCode,
    required this.alertIdentifier,
    required this.alertInstance,
    required this.revisionCounter,
  });
}