import 'package:flutter_test/flutter_test.dart';
import 'package:warp/matrix/client.dart';
import 'package:warp/util/format.dart';

void main() {
  group('formatBytes', () {
    test('bytes', () => expect(formatBytes(980), '980 B'));
    test('kilobytes', () => expect(formatBytes(12345), '12 KB'));
    test('small megabytes keep a decimal', () {
      expect(formatBytes(3400000), '3.4 MB');
    });
    test('gigabytes', () => expect(formatBytes(2000000000), '2.0 GB'));
  });

  group('formatListTime', () {
    final now = DateTime(2026, 10, 18, 15, 30);
    test('today is the time', () {
      expect(formatListTime(DateTime(2026, 10, 18, 9, 5), now: now), '09:05');
    });
    test('yesterday', () {
      expect(formatListTime(DateTime(2026, 10, 17, 23), now: now), 'Yesterday');
    });
    test('this week is the weekday', () {
      expect(formatListTime(DateTime(2026, 10, 14), now: now), 'Wed');
    });
  });

  group('formatDay', () {
    final now = DateTime(2026, 10, 18, 15, 30);
    test(
      'today',
      () => expect(formatDay(DateTime(2026, 10, 18), now: now), 'Today'),
    );
    test('yesterday', () {
      expect(formatDay(DateTime(2026, 10, 17), now: now), 'Yesterday');
    });
  });

  group('serverOfUserId', () {
    test('a full user ID', () {
      expect(serverOfUserId('@alice:example.org'), 'example.org');
    });
    test('with a port', () {
      expect(serverOfUserId(' @bob:localhost:8008 '), 'localhost:8008');
    });
    test('a bare username', () => expect(serverOfUserId('alice'), isNull));
    test('no server', () => expect(serverOfUserId('@alice:'), isNull));
  });
}