import markdownIt from "markdown-it";
import readingTime from "eleventy-plugin-reading-time";

/** @param {import("@11ty/eleventy").UserConfig} eleventyConfig */
export default async function (eleventyConfig) {
  eleventyConfig.addPassthroughCopy("assets");
  eleventyConfig.addPassthroughCopy(".well-known");
  eleventyConfig.addPassthroughCopy("**/*.jpg");
  eleventyConfig.addPassthroughCopy("**/*.png");

  eleventyConfig.addCollection("redirects", function (collectionApi) {
    let redirects = [];
    // get each post in our posts folder
    const nodes = collectionApi.getFilteredByGlob("**/*.md");
    // iterate over all the nodes
    nodes.forEach((node) =>
      // for each alias
      (node.data.aliases || []).forEach((alias) =>
        // push target url and the old url
        redirects.push([
          node.data.page.url,
          node.data.page.url.replace(/\/[^\/]*?(\..+)?$/, `/${alias}$1`),
        ]),
      ),
    );
    return redirects;
  });

  eleventyConfig.addCollection("posts", function (collection) {
    return collection.getFilteredByGlob("posts/**/*.md");
  });

  let options = {
    html: true,
    breaks: true,
    linkify: true,
  };

  eleventyConfig.setLibrary("md", markdownIt(options));
  eleventyConfig.addPlugin(readingTime);
}