import { readdirSync, readFileSync, statSync } from "node:fs";
import { join } from "node:path";

let files = 0,
  size = 0;
function inspect(directory) {
  for (const name of readdirSync(directory)) {
    const path = join(directory, name);
    if (statSync(path).isDirectory()) {
      inspect(path);
      continue;
    }
    if (!/\.(html|js|css|svg)$/.test(name))
      throw new Error(`Unexpected production asset: ${path}`);
    if (/reference|vendor|binjgb/i.test(path))
      throw new Error(`Reference tool in production: ${path}`);
    const bytes = readFileSync(path),
      text = bytes.toString("utf8");
    if (/Binjgb|_emulator_|binjgb\.wasm|\.reference\/pokecrystal/.test(text))
      throw new Error(`Reference dependency in production: ${path}`);
    if (/data:(image|audio|application\/octet-stream)[^,]*;base64,/i.test(text))
      throw new Error(`Embedded binary asset in production: ${path}`);
    files++;
    size += bytes.length;
  }
}
inspect("dist");
console.log(
  `Native release verified: ${files} HTML/JS/CSS/SVG files, ${size} bytes; no emulator, ROM, extracted binary assets or reference checkout.`,
);