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

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

export function formatNumber(num: number): string {
  return new Intl.NumberFormat("zh-CN").format(num)
}

export function formatPercent(num: number): string {
  return new Intl.NumberFormat("zh-CN", {
    style: "percent",
    minimumFractionDigits: 1,
    maximumFractionDigits: 1,
  }).format(num / 100)
}

export function formatDate(date: Date | string): string {
  if (typeof date === "string") {
    date = new Date(date)
  }
  return new Intl.DateTimeFormat("zh-CN", {
    year: "numeric",
    month: "2-digit",
    day: "2-digit",
    hour: "2-digit",
    minute: "2-digit",
  }).format(date)
}

export function getGrowthClass(value: number): string {
  if (value > 0) return "text-green-500"
  if (value < 0) return "text-red-500"
  return "text-gray-500"
}