import { createRequire } from "module";
import dotenvFlow from "dotenv-flow";
import filters from "./config/filters/index.js";
import htmlmin from "html-minifier-terser";
import markdownIt from "markdown-it";
import markdownItAnchor from "markdown-it-anchor";
import markdownItFootnote from "markdown-it-footnote";
import markdownItPrism from "markdown-it-prism";
import syntaxHighlight from "@11ty/eleventy-plugin-syntaxhighlight";
import tablerIcons from "@cdransf/eleventy-plugin-tabler-icons";
import { minifyJsComponents } from "./config/events/index.js";
import { popularPosts, albumReleasesCalendar } from "./config/collections/index.js";
import { cssConfig } from "./config/plugins/css-config.js";

// load .env
dotenvFlow.config();

// get app version
const require = createRequire(import.meta.url);
const appVersion = require("./package.json").version;

export default async function (eleventyConfig) {
  eleventyConfig.addPlugin(syntaxHighlight);
  eleventyConfig.addPlugin(tablerIcons);
  if (process.env.ELEVENTY_PRODUCTION) eleventyConfig.addPlugin(cssConfig);

  eleventyConfig.setQuietMode(true);
  eleventyConfig.configureErrorReporting({ allowMissingExtensions: true });
  eleventyConfig.setLiquidOptions({
    jsTruthy: true,
  });

  eleventyConfig.addPassthroughCopy("src/assets");
  eleventyConfig.addPassthroughCopy("_redirects");
  eleventyConfig.addPassthroughCopy("_headers");
  eleventyConfig.addPassthroughCopy({
    "node_modules/@cdransf/api-text/api-text.js":
      "assets/scripts/components/api-text.js",
    "node_modules/@cdransf/select-pagination/select-pagination.js":
      "assets/scripts/components/select-pagination.js",
    "node_modules/@cdransf/theme-toggle/theme-toggle.js":
      "assets/scripts/components/theme-toggle.js",
    "node_modules/@daviddarnes/mastodon-post/mastodon-post.js":
      "assets/scripts/components/mastodon-post.js",
    "node_modules/minisearch/dist/umd/index.js":
      "assets/scripts/components/minisearch.js",
    "node_modules/youtube-video-element/youtube-video-element.js":
      "assets/scripts/components/youtube-video-element.js",
  });

  eleventyConfig.addCollection("popularPosts", popularPosts);
  eleventyConfig.addCollection("albumReleasesCalendar", albumReleasesCalendar);

  const md = markdownIt({ html: true, linkify: true });
  md.use(markdownItAnchor, {
    level: [1, 2],
    permalink: markdownItAnchor.permalink.headerLink({
      safariReaderFix: true,
    }),
  });
  md.use(markdownItFootnote);
  md.use(markdownItPrism);
  eleventyConfig.setLibrary("md", md);

  eleventyConfig.addLiquidFilter("markdown", (content) => {
    if (!content) return;
    return md.render(content);
  });

  Object.keys(filters).forEach((filterName) => {
    eleventyConfig.addLiquidFilter(filterName, filters[filterName]);
  });

  eleventyConfig.addShortcode("appVersion", () => appVersion);

  // events
  if (process.env.ELEVENTY_PRODUCTION)
    eleventyConfig.on("afterBuild", minifyJsComponents);

  // transforms
  if (process.env.ELEVENTY_PRODUCTION)
    eleventyConfig.addTransform("html-minify", (content, path) => {
      if (path && path.endsWith(".html")) {
        return htmlmin.minify(content, {
          collapseBooleanAttributes: true,
          collapseWhitespace: true,
          decodeEntities: true,
          includeAutoGeneratedTags: false,
          minifyCSS: true,
          minifyJS: true,
          minifyURLs: true,
          noNewlinesBeforeTagClose: true,
          quoteCharacter: '"',
          removeComments: true,
          sortAttributes: true,
          sortClassName: true,
          useShortDoctype: true,
        });
      }
      return content;
    });

  return {
    dir: {
      input: "src",
      includes: "includes",
      layouts: "layouts",
      data: "data",
      output: "_site",
    },
  };
}