import 'package:intl/intl.dart';

/// Parses API date fields that may arrive as int, double, or string.
int? unixTimestampFromJson(dynamic value) {
  if (value == null) return null;
  if (value is int) return value;
  if (value is num) return value.toInt();
  if (value is String) {
    final trimmed = value.trim();
    if (trimmed.isEmpty) return null;
    return int.tryParse(trimmed);
  }
  return null;
}

/// Converts a Unix timestamp (seconds) from the API to a display string.
/// Mirrors Next.js `unixToDate` using `moment.unix(unix)`.
String timeConvertor(int? unix, {bool hasTime = false}) {
  if (unix == null || unix == 0) return '-';

  // Values above ~year 2286 in seconds are treated as milliseconds.
  final seconds = unix > 9999999999 ? unix ~/ 1000 : unix;
  final date = DateTime.fromMillisecondsSinceEpoch(
    seconds * 1000,
    isUtc: true,
  ).toLocal();

  if (hasTime) {
    return DateFormat('yyyy-MM-dd HH:mm').format(date);
  }
  return DateFormat('yyyy-MM-dd').format(date);
}