#!/usr/bin/env node
/**
 * Build all frontend assets: CSS + JS.
 *
 * Usage:
 *   node scripts/build.mjs          # build everything
 *   node scripts/build.mjs --css    # CSS only
 *   node scripts/build.mjs --js     # JS only
 *
 * Requires: npm install (lightningcss-cli, rolldown)
 */

import { execSync } from "node:child_process";
import { existsSync } from "node:fs";
import { resolve, dirname } from "node:path";
import { fileURLToPath } from "node:url";

const __dirname = dirname(fileURLToPath(import.meta.url));
const root = resolve(__dirname, "..");

const args = process.argv.slice(2);
const onlyCss = args.includes("--css");
const onlyJs = args.includes("--js");
const buildAll = !onlyCss && !onlyJs;

function run(label, cmd) {
  console.log(`\n📦 ${label}…`);
  execSync(cmd, {
    cwd: root,
    stdio: "inherit",
  });
}

// Ensure node_modules exist
if (!existsSync(resolve(root, "node_modules"))) {
  console.log("📥 Installing dependencies (npm ci)…");
  execSync("npm ci", { cwd: root, stdio: "inherit" });
}

if (buildAll || onlyCss) {
  run("Building CSS bundles", "node scripts/build-css.mjs");
}

if (buildAll || onlyJs) {
  run("Building JS bundles", "node scripts/build-js.mjs");
}

console.log("\n✅ Build complete\n");