import { readdir } from "fs/promises";
import { join } from "path";
import { createHash } from "crypto";

const logosDir = import.meta.dev
  ? join(process.cwd(), "public/logos")
  : join(process.cwd(), ".output/public/logos");

export default defineCachedEventHandler(async () => {
  const files = await readdir(logosDir);
  return files
    .filter((f) => f.endsWith(".png"))
    .map((f) => f.replace(/\.png$/, ""))
    .sort();
}, {
  maxAge: 60 * 60 * 24,
  getKey: async () => {
    const files = await readdir(logosDir);
    const key = files.filter((f) => f.endsWith(".png")).sort().join(",");
    return createHash("sha256").update(key).digest("hex");
  },
});