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

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

export const nanoid = customAlphabet(
  "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
  7
); // 7-character random string

export async function fetcher<JSON = any>(
  input: RequestInfo,
  init?: RequestInit
): Promise<JSON> {
  const res = await fetch(input, init);

  if (!res.ok) {
    const json = await res.json();
    if (json.error) {
      const error = new Error(json.error) as Error & {
        status: number;
      };
      error.status = res.status;
      throw error;
    } else {
      throw new Error("An unexpected error occurred");
    }
  }

  return res.json();
}