import 'package:flutter_test/flutter_test.dart';
import 'package:tm_app/core/utils/date_utils.dart';

void main() {
  group('timeConvertor', () {
    test('returns dash for null, zero, and negative', () {
      expect(timeConvertor(null), '-');
      expect(timeConvertor(0), '-');
      expect(timeConvertor(-1), '-');
    });

    test('formats valid seconds as yyyy-MM-dd', () {
      final formatted = timeConvertor(1700000000);
      expect(formatted, matches(RegExp(r'^\d{4}-\d{2}-\d{2}$')));
    });

    test('formats valid seconds with time when hasTime is true', () {
      final formatted = timeConvertor(1700000000, hasTime: true);
      expect(
        formatted,
        matches(RegExp(r'^\d{4}-\d{2}-\d{2} \d{2}:\d{2}$')),
      );
    });

    test('treats values above 9999999999 as milliseconds', () {
      // 1700000000000 ms and 1700000000 s should format to the same day.
      expect(timeConvertor(1700000000000), timeConvertor(1700000000));
    });
  });

  group('unixTimestampFromJson', () {
    test('parses int and num', () {
      expect(unixTimestampFromJson(1700000000), 1700000000);
      expect(unixTimestampFromJson(1700000000.7), 1700000000);
    });

    test('parses numeric strings', () {
      expect(unixTimestampFromJson('1700000000'), 1700000000);
      expect(unixTimestampFromJson(' 1700000000 '), 1700000000);
    });

    test('returns null for empty, null, and non-numeric input', () {
      expect(unixTimestampFromJson(null), isNull);
      expect(unixTimestampFromJson(''), isNull);
      expect(unixTimestampFromJson('abc'), isNull);
      expect(unixTimestampFromJson(true), isNull);
    });

    test('rejects non-positive values', () {
      expect(unixTimestampFromJson(0), isNull);
      expect(unixTimestampFromJson(-1), isNull);
      expect(unixTimestampFromJson('-1'), isNull);
      expect(unixTimestampFromJson('0'), isNull);
    });
  });
}