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

/**
 * Merges class names with clsx and resolves Tailwind conflicts via twMerge.
 *
 * @param {ClassValue[]} inputs - Class values (strings, arrays, conditional maps)
 * @returns {string} Merged, de-conflicted className string
 */
export function classNames(...inputs: ClassValue[]) {
  return twMerge(clsx(inputs));
}

/**
 * Triggers a browser download for a blob under the given filename, and
 * releases the object URL afterwards.
 *
 * @param {Blob} blob - The file bytes to download
 * @param {string} filename - Name the browser saves the file under
 * @returns {void}
 */
export function downloadBlob(blob: Blob, filename: string): void {
  const url = URL.createObjectURL(blob);
  const anchor = document.createElement('a');
  anchor.href = url;
  anchor.download = filename;
  document.body.appendChild(anchor);
  anchor.click();
  anchor.remove();
  URL.revokeObjectURL(url);
}