// build:console 的第二步：把 vite-plugin-singlefile 产出的单文件
// 原样拷到可部署位置。绝不改动产物内容——以后改页面只改 src 再构建。
// 目标就是 GET /console 现读的文件 cloud/console.html
// （cloud/server.py 与 console.html 同目录、每次请求现读），
// 不再拷到仓库里不存在的 cloud/console-redesign/console-react.html，
// 也不再靠手工拷兜底：npm run build:console 一次跑通即产物就位。
import { copyFileSync } from "node:fs";
import { createHash, timingSafeEqual } from "node:crypto";
import { readFileSync } from "node:fs";
import { dirname, join } from "node:path";
import { fileURLToPath } from "node:url";

const root = join(dirname(fileURLToPath(import.meta.url)), "..");
const src = join(root, "dist", "index.html");
const dest = join(root, "..", "console.html");
copyFileSync(src, dest);
const srcBuf = readFileSync(src);
const destBuf = readFileSync(dest);
if (srcBuf.length !== destBuf.length || !timingSafeEqual(srcBuf, destBuf)) {
  throw new Error("copy-build: dest 与 dist/index.html 内容不一致，构建失败");
}
console.log(`console.html  ${destBuf.length} bytes  sha256=${createHash("sha256").update(destBuf).digest("hex")}`);
console.log(`built: ${src} -> ${dest}`);