import { readdir, stat } from "node:fs/promises";
import { join } from "node:path";

const limits = { ".js": 400 * 1024, ".css": 180 * 1024 };
const assets = join(import.meta.dirname, "..", "frontend", "dist", "assets");
const failures = [];

for (const name of await readdir(assets)) {
  const extension = Object.keys(limits).find((candidate) => name.endsWith(candidate));
  if (!extension) continue;
  const bytes = (await stat(join(assets, name))).size;
  console.log(`${name}: ${(bytes / 1024).toFixed(1)} KiB / ${limits[extension] / 1024} KiB`);
  if (bytes > limits[extension]) failures.push(name);
}

if (failures.length) {
  throw new Error(`Frontend asset budget exceeded: ${failures.join(", ")}`);
}