import type { Query } from '@tanstack/react-query';
import type { ClassValue } from 'clsx';
// eslint-disable-next-line unicorn/prefer-node-protocol
import { Buffer } from 'buffer';
import { clsx } from 'clsx';
import { twMerge } from 'tailwind-merge';

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

export function base64ToUtf8(base64: string): string {
  return new TextDecoder('utf-8').decode(
    Uint8Array.from(Buffer.from(base64, 'base64')),
  );
}

export function utf8ToBase64(utf8: string): string {
  return Buffer.from(utf8, 'utf-8').toString('base64');
}

export function invalidateBlurry(id: string) {
  return {
    predicate: (query: Query<unknown, Error, unknown, readonly unknown[]>) => {
      const key = query.queryKey[0] as { _id: string };
      return key?._id === id;
    },
  };
}