import 'package:drift_offline_sync/drift_offline_sync.dart';
import 'package:test/test.dart';

const _isoTime = '2001-09-09T01:46:40.000Z';
final _dateTime = DateTime.parse(_isoTime);

void main() {
  test('Given an HLC built with dateTime, counter and nodeId '
      'when reading properties '
      'then dateTime, counter and nodeId match.', () {
    final hlc = Hlc(_dateTime, 0x17, 'abc');

    expect(hlc.dateTime, _dateTime);
    expect(hlc.counter, 0x17);
    expect(hlc.nodeId, 'abc');
  });

  test('Given Hlc.zero '
      'when building for a nodeId '
      'then it equals epoch with zero counter.', () {
    final zero = Hlc.zero('abc');

    expect(zero.unixTimestamp, 0);
    expect(zero.counter, 0);
    expect(zero.nodeId, 'abc');
  });

  test('Given an ISO HLC string '
      'when parsing '
      'then it returns the equivalent Hlc.', () {
    final hlc = Hlc(_dateTime, 0x17, 'abc');

    expect(Hlc.parse('${_dateTime.toIso8601String()}-0017-abc'), hlc);
  });

  test('Given a Unix timestamp HLC string '
      'when parsing '
      'then it returns the equivalent Hlc.', () {
    final hlc = Hlc(_dateTime, 0x17, 'abc');

    expect(Hlc.parse('${_dateTime.millisecondsSinceEpoch}-0017-abc'), hlc);
  });

  test('Given a parsed Hlc '
      'when calling toString '
      'then it returns the ISO HLC string.', () {
    final hlc = Hlc.parse('$_isoTime-0017-abc');

    expect(hlc.toString(), '$_isoTime-0017-abc');
  });

  test('Given an HLC '
      'when converting to JSON '
      'then it returns the equivalent string.', () {
    final hlc = Hlc(_dateTime, 0x17, 'abc');

    expect(hlc.toJson(), '${_dateTime.toIso8601String()}-0017-abc');
  });

  test('Given an HLC '
      'when converting to JSON with unixTimestamp '
      'then it returns the equivalent string with padded unix timestamp.', () {
    final hlc = Hlc(_dateTime, 0x17, 'abc');

    expect(
      hlc.toJson(unixTimestamp: true),
      '${_dateTime.millisecondsSinceEpoch.toString().padLeft(15, '0')}-0017-abc',
    );
  });
}