part of 'main.dart';

String formatDate(DateTime date) {
  final month = date.month.toString().padLeft(2, '0');
  final day = date.day.toString().padLeft(2, '0');
  return '${date.year}.$month.$day';
}

String formatTime(DateTime date) {
  final hour = date.hour.toString().padLeft(2, '0');
  final minute = date.minute.toString().padLeft(2, '0');
  return '$hour:$minute';
}

String formatTimeWithSeconds(DateTime date) {
  final hour = date.hour.toString().padLeft(2, '0');
  final minute = date.minute.toString().padLeft(2, '0');
  final second = date.second.toString().padLeft(2, '0');
  return '$hour:$minute:$second';
}

String formatShortDate(DateTime date) {
  final month = date.month.toString().padLeft(2, '0');
  final day = date.day.toString().padLeft(2, '0');
  return '$month.$day';
}

int isoWeekNumber(DateTime date) {
  final thursday = date.add(Duration(days: 4 - date.weekday));
  final firstThursday = DateTime(thursday.year, 1, 4);
  final firstWeekStart = firstThursday.subtract(
    Duration(days: firstThursday.weekday - 1),
  );
  return thursday.difference(firstWeekStart).inDays ~/ 7 + 1;
}

DateTime startOfIsoWeek(DateTime date) {
  final normalized = DateTime(date.year, date.month, date.day);
  return normalized.subtract(Duration(days: normalized.weekday - 1));
}

DateTime startOfDay(DateTime date) => DateTime(date.year, date.month, date.day);

bool isSameDate(DateTime a, DateTime b) {
  return a.year == b.year && a.month == b.month && a.day == b.day;
}

DateTime? parseDate(String value) {
  final normalized = value.trim().replaceAll('-', '.');
  final parts = normalized.split('.').where((part) => part.isNotEmpty).toList();
  if (parts.length != 3) return null;

  final year = int.tryParse(parts[0]);
  final month = int.tryParse(parts[1]);
  final day = int.tryParse(parts[2]);
  if (year == null || month == null || day == null) return null;

  return DateTime(year, month, day);
}

DateTime? parseGoogleEventDate(Map<String, dynamic> value) {
  final dateTime = value['dateTime'] as String?;
  if (dateTime != null && dateTime.trim().isNotEmpty) {
    return DateTime.tryParse(dateTime)?.toLocal();
  }

  final date = value['date'] as String?;
  if (date == null || date.trim().isEmpty) return null;
  final parsed = DateTime.tryParse(date);
  if (parsed == null) return null;
  return DateTime(parsed.year, parsed.month, parsed.day);
}

Color parseGoogleColor(String? value) {
  final raw = value?.trim();
  if (raw == null || !raw.startsWith('#')) {
    return const Color(0xFF4285F4);
  }

  final hex = raw.substring(1);
  if (hex.length != 6) return const Color(0xFF4285F4);
  final colorValue = int.tryParse(hex, radix: 16);
  if (colorValue == null) return const Color(0xFF4285F4);
  return Color(0xFF000000 | colorValue);
}

String uniqueId() => DateTime.now().microsecondsSinceEpoch.toString();

String normalizeJarvisUrl(String value) {
  final trimmed = value.trim();
  if (trimmed.isEmpty) return JarvisSettings.defaults().apiUrl;
  final withScheme =
      trimmed.startsWith('http://') || trimmed.startsWith('https://')
      ? trimmed
      : 'http://$trimmed';
  return withScheme.endsWith('/')
      ? withScheme.substring(0, withScheme.length - 1)
      : withScheme;
}

String weatherDescription(int? code) {
  if (code == null) return 'id\u0151j\u00e1r\u00e1s';
  if (code == 0) return 'der\u00fclt';
  if ([1, 2, 3].contains(code)) return 'felh\u0151s';
  if ([45, 48].contains(code)) return 'k\u00f6d';
  if ([51, 53, 55, 56, 57].contains(code)) return 'szit\u00e1l\u00e1s';
  if ([61, 63, 65, 66, 67, 80, 81, 82].contains(code)) return 'es\u0151';
  if ([71, 73, 75, 77, 85, 86].contains(code)) return 'havaz\u00e1s';
  if ([95, 96, 99].contains(code)) return 'zivatar';
  return 'v\u00e1ltoz\u00e9kony';
}

IconData weatherIcon(int? code) {
  if (code == null) return Icons.thermostat_outlined;
  if (code == 0) return Icons.wb_sunny_outlined;
  if ([1, 2, 3].contains(code)) return Icons.cloud_outlined;
  if ([45, 48].contains(code)) return Icons.foggy;
  if ([51, 53, 55, 56, 57, 61, 63, 65, 66, 67, 80, 81, 82].contains(code)) {
    return Icons.water_drop_outlined;
  }
  if ([71, 73, 75, 77, 85, 86].contains(code)) return Icons.ac_unit;
  if ([95, 96, 99].contains(code)) return Icons.thunderstorm_outlined;
  return Icons.cloud_queue;
}