/**
 * earth-now.co
 * Author:  Simon-Pierre Boucher
 * Contact: contact@spboucher.ai
 * File:    packages/widget/scripts/check-size.mjs
 * Purpose: Build gate — fail the widget build if dist/widget.js exceeds the 15 KB gzip budget
 */

import { readFileSync } from "node:fs";
import { gzipSync } from "node:zlib";

const LIMIT_BYTES = 15 * 1024;

const bundlePath = new URL("../dist/widget.js", import.meta.url);
let raw;
try {
  raw = readFileSync(bundlePath);
} catch {
  console.error("✗ check-size: dist/widget.js not found — run the esbuild step first");
  process.exit(1);
}

const gzipped = gzipSync(raw, { level: 9 }).length;
console.log(
  `widget.js: ${raw.length} B raw, ${gzipped} B gzip (budget ${LIMIT_BYTES} B gzip)`,
);

if (gzipped > LIMIT_BYTES) {
  console.error(
    `✗ widget.js is ${gzipped - LIMIT_BYTES} B over the 15 KB gzip budget — trim it before shipping`,
  );
  process.exit(1);
}
console.log("✓ widget.js is within the 15 KB gzip budget");