import { type ClassValue, clsx } from 'clsx';
import { twMerge } from 'tailwind-merge';

export function cn(...inputs: ClassValue[]) {
  return twMerge(clsx(inputs));
}

export function formatCurrency(value: number): string {
  return new Intl.NumberFormat('pt-BR', {
    style: 'currency',
    currency: 'BRL',
  }).format(value);
}

export function formatDate(date: string | Date): string {
  return new Intl.DateTimeFormat('pt-BR').format(new Date(date));
}

export function formatDateTime(date: string | Date): string {
  return new Intl.DateTimeFormat('pt-BR', {
    dateStyle: 'short',
    timeStyle: 'short',
  }).format(new Date(date));
}

export function formatPhone(phone: string): string {
  const cleaned = phone.replace(/\D/g, '');
  if (cleaned.length === 11) {
    return `(${cleaned.slice(0, 2)}) ${cleaned.slice(2, 7)}-${cleaned.slice(7)}`;
  }
  if (cleaned.length === 10) {
    return `(${cleaned.slice(0, 2)}) ${cleaned.slice(2, 6)}-${cleaned.slice(6)}`;
  }
  return phone;
}

export function slugify(text: string): string {
  return text
    .toLowerCase()
    .normalize('NFD')
    .replace(/[\u0300-\u036f]/g, '')
    .replace(/[^a-z0-9]+/g, '-')
    .replace(/(^-|-$)/g, '');
}