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

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

export function formatDate(date: string | Date) {
  return new Date(date).toLocaleDateString('zh-CN', {
    year: 'numeric',
    month: '2-digit',
    day: '2-digit',
  })
}

export function formatDateTime(date: string | Date) {
  return new Date(date).toLocaleString('zh-CN', {
    year: 'numeric',
    month: '2-digit',
    day: '2-digit',
    hour: '2-digit',
    minute: '2-digit',
  })
}

export function formatCurrency(amount: number) {
  return new Intl.NumberFormat('zh-CN', {
    style: 'currency',
    currency: 'CNY',
  }).format(amount)
}

/** 触发浏览器下载 Blob 为指定文件名 */
export function downloadBlob(blob: Blob, filename: string) {
  const url = URL.createObjectURL(blob);
  const a = document.createElement('a');
  a.href = url;
  a.download = filename;
  document.body.appendChild(a);
  a.click();
  document.body.removeChild(a);
  URL.revokeObjectURL(url);
}