import { format } from 'date-fns';

export const formatCurrency = (amount: number, currency: string = 'ETB'): string => {
  return new Intl.NumberFormat('en-US', {
    style: 'currency',
    currency,
    minimumFractionDigits: 2,
  }).format(amount / 100);
};

export const formatDate = (date?: string | Date | null, formatStr: string = 'MMM dd, yyyy'): string => {
  if (!date) return 'N/A';
  const d = new Date(date);
  if (isNaN(d.getTime())) return 'N/A';
  return format(d, formatStr);
};

export const formatDateTime = (date?: string | Date | null): string => {
  if (!date) return 'N/A';
  const d = new Date(date);
  if (isNaN(d.getTime())) return 'N/A';
  return format(d, 'MMM dd, yyyy HH:mm');
};

export const formatDateTimeShort = (date?: string | Date | null): string => {
  if (!date) return 'N/A';
  const d = new Date(date);
  if (isNaN(d.getTime())) return 'N/A';
  return format(d, 'dd MMM yy HH:mm');
};

export const formatDateTimeLocal = (date?: string | Date | null): string => {
  if (!date) return 'N/A';
  const d = new Date(date);
  if (isNaN(d.getTime())) return 'N/A';
  return format(d, 'MMM dd, yyyy HH:mm');
};

export const getStatusColor = (status: string): string => {
  const colors: Record<string, string> = {
    CONFIRMED: 'bg-green-100 text-green-800 dark:bg-green-900/20 dark:text-green-400',
    PENDING: 'bg-yellow-100 text-yellow-800 dark:bg-yellow-900/20 dark:text-yellow-400',
    CANCELLED: 'bg-red-100 text-red-800 dark:bg-red-900/20 dark:text-red-400',
    BOARDED: 'bg-blue-100 text-blue-800 dark:bg-blue-900/20 dark:text-blue-400',
    PAID: 'bg-green-100 text-green-800 dark:bg-green-900/20 dark:text-green-400',
    FAILED: 'bg-red-100 text-red-800 dark:bg-red-900/20 dark:text-red-400',
    REFUNDED: 'bg-gray-100 text-gray-800 dark:bg-gray-800 dark:text-gray-300',
    SCHEDULED: 'bg-blue-100 text-blue-800 dark:bg-blue-900/20 dark:text-blue-400',
    DEPARTED: 'bg-purple-100 text-purple-800 dark:bg-purple-900/20 dark:text-purple-400',
    ARRIVED: 'bg-green-100 text-green-800 dark:bg-green-900/20 dark:text-green-400',
    DELAYED: 'bg-yellow-100 text-yellow-800 dark:bg-yellow-900/20 dark:text-yellow-400',
  };
  return colors[status] || 'bg-gray-100 text-gray-800 dark:bg-gray-800 dark:text-gray-300';
};

export const cn = (...classes: (string | undefined | null | false)[]): string => {
  return classes.filter(Boolean).join(' ');
};