---
import { gitDir } from "@lib/git";
import { get } from "@utils/anonymous";

interface Props {
  lang: string;
}

const { lang } = Astro.props;

let source = new URL(
  `${Astro.url.href.replace(/\/$/, "")}.md`,
);

const dir = await gitDir();

const format: Intl.NumberFormatOptions = {
  notation: "compact",
  style: "unit",
  unit: "byte",
  unitDisplay: "narrow",
};

const formatter = new Intl.NumberFormat(lang, format);

const sourceSize = formatter.format(
  await Deno.stat(
    new URL("public" + source.pathname, dir),
  ).then(get("size")),
);
const sig = await Deno.stat(
  new URL("public" + source.pathname + ".sig", dir),
).then(get("size")).catch(() => undefined);
const sigSize = formatter.format(sig);
---

<section>
  <p>Ficheiros para descarregar:</p>
  <dl>
    <dt>Blog post</dt>
    <dd>
      <a
        id="message"
        href={source}
        download
        type="text/markdown; charset=utf-8"
      ><samp>text/markdown</samp>, <samp>{sourceSize}</samp></a>
    </dd>
    {
      sig && (
        <dt>Assinatura digital</dt>
        <dd>
          <a
            id="signature"
            href={`${source}.sig`}
            download
            type="application/pgp-signature"
          ><samp>application/pgp-signature</samp>, <samp>{sigSize}</samp></a>
        </dd>
      )
    }
  </dl>
</section>