/**
 * One-off image optimizer: converts the heavy marketing images to web-sized
 * WebP in public/images/opt/. Run with:  node scripts/optimize-images.mjs
 */
import sharp from "sharp";
import { mkdir, stat, access } from "node:fs/promises";
import path from "node:path";

const SRC_DIR = "public/images";
const OUT_DIR = "public/images/opt";
const WIDTH = 1600; // plenty for card/section backgrounds
const QUALITY = 72;

const FILES = [
  "HeroBanner1.jpg",
  "HeroBanner2.jpg",
  "HeroBanner3.jpg",
  "Pillar1.png",
  "Pillar2.png",
  "Pillar3.png",
  "Pillar4.png",
  "OurExperties.png",
  "OurExperties.jpg",
];

await mkdir(OUT_DIR, { recursive: true });

for (const file of FILES) {
  const src = path.join(SRC_DIR, file);
  const out = path.join(OUT_DIR, file.replace(/\.(jpe?g|png)$/i, ".webp"));

  // Skip sources that aren't uploaded yet.
  try {
    await access(src);
  } catch {
    console.log(`${file}: not found, skipped`);
    continue;
  }

  await sharp(src)
    .resize({ width: WIDTH, withoutEnlargement: true })
    .webp({ quality: QUALITY })
    .toFile(out);

  const before = (await stat(src)).size;
  const after = (await stat(out)).size;
  console.log(
    `${file}: ${(before / 1024 / 1024).toFixed(1)} MB → ${(after / 1024).toFixed(0)} KB`
  );
}

console.log("done");