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

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

/** Backend'den gelen avatar_url tam veya relative olabilir; görüntülenebilir URL döner. */
export function getAvatarUrl(avatarUrl: string | undefined): string | undefined {
  if (!avatarUrl) return undefined
  if (avatarUrl.startsWith("http://") || avatarUrl.startsWith("https://")) return avatarUrl
  const base = process.env.NEXT_PUBLIC_API_BASE || ""
  const normalized = base.replace(/\/$/, "")
  return `${normalized}${avatarUrl.startsWith("/") ? "" : "/"}${avatarUrl}`
}