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

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

// Helper para descargar imagen
export function downloadImage(base64Data: string, filename: string) {
  const link = document.createElement('a');
  link.href = `data:image/png;base64,${base64Data}`;
  link.download = filename;
  document.body.appendChild(link);
  link.click();
  document.body.removeChild(link);
}

// Helper para generar nombre de archivo único
export function generateImageFilename(prompt: string): string {
  const timestamp = new Date().toISOString().replace(/[:.]/g, '-');
  const safePrompt = prompt
    .slice(0, 30)
    .replace(/[^a-z0-9]/gi, '_')
    .toLowerCase();
  return `image_${safePrompt}_${timestamp}.png`;
}