export default async function (eleventyConfig) {
  eleventyConfig.setOutputDirectory("dist");
  eleventyConfig.addPassthroughCopy("static/**/*");
  eleventyConfig.addPassthroughCopy("posts/**/*.{jpg,jpeg,png,webp,mp4}");

  // Log-book date: "26 · 04 · 2026" — reads like a stamped entry, not a feed.
  eleventyConfig.addFilter("logdate", (date) => {
    const d = new Date(date);
    if (Number.isNaN(d.getTime())) return "";
    const p = (n) => String(n).padStart(2, "0");
    return `${p(d.getUTCDate())} · ${p(d.getUTCMonth() + 1)} · ${d.getUTCFullYear()}`;
  });

  // Entry numbers, zero-padded like a log folio.
  eleventyConfig.addFilter("pad3", (n) => String(n).padStart(3, "0"));

  return {
    dir: {
      input: ".",
      includes: "_includes",
      output: "dist",
    },
    templateFormats: ["njk", "md"],
    markdownTemplateEngine: "njk",
    htmlTemplateEngine: "njk",
  };
}