// 静态检查：每份 preset.js 里声明的每一个资源路径是否真实存在。
// 这能抓到"运行时才会暴露"的拼写错误（比如某首备用 BGM 从未被加载过，写错了也不会有人发现）。
// 用法：node tools/check-paths.mjs

import { stat } from "node:fs/promises";
import { fileURLToPath, pathToFileURL } from "node:url";
import { glob } from "node:fs/promises";
import { resolve } from "node:path";

const root = resolve("dist");
const presetFiles = [];
for await (const f of glob("assets/**/preset.js", { cwd: root })) presetFiles.push(f);

let ok = 0;
let bad = 0;

for (const rel of presetFiles.sort()) {
  const mod = await import(pathToFileURL(resolve(root, rel)).href);
  const preset = mod.default;
  const urls = [];
  const walk = (value, path) => {
    if (typeof value === "string" && /^(file|https?):/.test(value)) urls.push([path, value]);
    else if (value && typeof value === "object") {
      for (const [k, v] of Object.entries(value)) walk(v, `${path}.${k}`);
    } else if (Array.isArray(value)) value.forEach((v, i) => walk(v, `${path}[${i}]`));
  };
  walk(preset, preset.id);

  console.log(`\n${rel}  (id=${preset.id}, name=${preset.name})`);
  for (const [path, url] of urls) {
    const u = new URL(url);
    if (u.protocol !== "file:") {
      console.log(`  ?  ${path} -> 非本地路径，跳过: ${url}`);
      continue;
    }
    const file = fileURLToPath(u);
    const info = await stat(file).catch(() => null);
    if (info?.isFile()) {
      console.log(`  ok ${path}  (${(info.size / 1024).toFixed(1)} KB)`);
      ok++;
    } else {
      console.log(`  MISSING ${path} -> ${file}`);
      bad++;
    }
  }
}

console.log(`\n${ok} 个路径存在，${bad} 个缺失`);
process.exit(bad ? 1 : 0);