// Espejo del calculo del backend (backend/src/utils/dates.js) para listas que no traen el campo ya resuelto.
export function dueStatus(dueDate, isClosed = false) {
  if (!dueDate || isClosed) return 'none';
  const today = new Date();
  today.setHours(0, 0, 0, 0);
  const due = new Date(dueDate);
  due.setHours(0, 0, 0, 0);
  const diffDays = Math.round((due - today) / 86400000);

  if (diffDays < 0) return 'overdue';
  if (diffDays === 0) return 'today';
  if (diffDays <= 3) return 'warning';
  return 'on_time';
}