import path from "node:path";
import { mkdir } from "node:fs/promises";

export const VIDEOS_DIRECTORY = path.join(process.cwd(), "videos");
export const THUMBNAILS_DIRECTORY = path.join(process.cwd(), "thumbnails");

export async function ensureStorageDirectories(): Promise<void> {
  await Promise.all([
    mkdir(VIDEOS_DIRECTORY, { recursive: true }),
    mkdir(THUMBNAILS_DIRECTORY, { recursive: true }),
  ]);
}

export function getVideoPath(filename: string): string {
  return path.join(VIDEOS_DIRECTORY, filename);
}

export function getThumbnailPath(filename: string): string {
  return path.join(THUMBNAILS_DIRECTORY, filename);
}

export function getThumbnailExtension(file: File): string | null {
  const normalizedType = file.type.toLowerCase();

  if (normalizedType === "image/jpeg") {
    return ".jpg";
  }

  if (normalizedType === "image/png") {
    return ".png";
  }

  if (normalizedType === "image/webp") {
    return ".webp";
  }

  const normalizedName = file.name.toLowerCase();

  if (normalizedName.endsWith(".jpg") || normalizedName.endsWith(".jpeg")) {
    return ".jpg";
  }

  if (normalizedName.endsWith(".png")) {
    return ".png";
  }

  if (normalizedName.endsWith(".webp")) {
    return ".webp";
  }

  return null;
}