import 'package:intl/intl.dart';

/// Label rentang periode ringkas, contoh: "27 Jul - 2 Agu 2026".
String formatPeriodLabel(DateTime from, DateTime to) {
  final dayMonth = DateFormat('d MMM', 'id_ID');
  final dayMonthYear = DateFormat('d MMM yyyy', 'id_ID');

  if (from.year == to.year && from.month == to.month && from.day == to.day) {
    return dayMonthYear.format(from);
  }
  if (from.year == to.year) {
    return '${dayMonth.format(from)} - ${dayMonthYear.format(to)}';
  }
  return '${dayMonthYear.format(from)} - ${dayMonthYear.format(to)}';
}

/// Label bulan dari format API "2026-08" menjadi "Agustus 2026".
String formatMonthLabel(String month, DateTime fallback) {
  final parts = month.split('-');
  if (parts.length == 2) {
    final year = int.tryParse(parts[0]);
    final monthNumber = int.tryParse(parts[1]);
    if (year != null && monthNumber != null) {
      return DateFormat(
        'MMMM yyyy',
        'id_ID',
      ).format(DateTime(year, monthNumber));
    }
  }
  return DateFormat('MMMM yyyy', 'id_ID').format(fallback);
}