veilidchat/lib/chat/views/date_formatter.dart

import 'package:flutter_translate/flutter_translate.dart';
import 'package:intl/intl.dart';

class DateFormatter {
  DateFormatter();

  String chatDateTimeFormat(DateTime dateTime) {
    final now = DateTime.now();

    final justNow = now.subtract(const Duration(minutes: 1));

    final localDateTime = dateTime.toLocal();

    if (!localDateTime.difference(justNow).isNegative) {
      return translate('date_formatter.just_now');
    }

    final roughTimeString = DateFormat.jm().format(dateTime);

    if (localDateTime.day == now.day &&
        localDateTime.month == now.month &&
        localDateTime.year == now.year) {
      return roughTimeString;
    }

    final yesterday = now.subtract(const Duration(days: 1));

    if (localDateTime.day == yesterday.day &&
        localDateTime.month == now.month &&
        localDateTime.year == now.year) {
      return translate('date_formatter.yesterday');
    }

    if (now.difference(localDateTime).inDays < 4) {
      final weekday = DateFormat(DateFormat.WEEKDAY).format(localDateTime);

      return '$weekday, $roughTimeString';
    }
    return '${DateFormat.yMd().format(dateTime)}, $roughTimeString';
  }
}