import { copyFile, mkdir, readFile, writeFile } from "node:fs/promises";

await mkdir("dist/assets", { recursive: true });
const result = await Bun.build({
  entrypoints: ["src/client/main.ts"],
  outdir: "dist/assets",
  target: "browser",
  minify: true,
  naming: "app.js",
});
if (!result.success) {
  for (const log of result.logs) console.error(log);
  process.exit(1);
}
const buildId = Date.now().toString(36);
const html = await readFile("src/client/index.html", "utf8");
await writeFile("dist/index.html", html.replaceAll("__BUILD_ID__", buildId));
await copyFile("src/client/styles.css", "dist/styles.css");
await copyFile("src/client/manifest.webmanifest", "dist/manifest.webmanifest");
await copyFile("src/client/icon.svg", "dist/icon.svg");
for (const size of [180, 192, 512]) await copyFile(`src/client/icon-${size}.png`, `dist/icon-${size}.png`);
const worker = await readFile("src/client/sw.js", "utf8");
await writeFile("dist/sw.js", worker.replaceAll("__BUILD_ID__", buildId));
console.log("Built PWA in dist/");