/**
 * Most adjustments must be made in `./src/_config/*`
 *
 * Hint VS Code for eleventyConfig autocompletion.
 * © Henry Desroches - https://gist.github.com/xdesro/69583b25d281d055cd12b144381123bf
 * @param {import("@11ty/eleventy/src/UserConfig")} eleventyConfig -
 * @returns {Object} -
 */

// register dotenv for process.env.* variables to pickup
import dotenv from 'dotenv';
dotenv.config();

// add yaml support
import yaml from 'js-yaml';

//  config import
import {getAllPosts, showInSitemap, tagList, goPages, tracksByProject} from './src/_config/collections.js';
import events from './src/_config/events.js';
import filters from './src/_config/filters.js';
import plugins from './src/_config/plugins.js';
import shortcodes from './src/_config/shortcodes.js';

export default async function (eleventyConfig) {
  // --------------------- Events: before build
  eleventyConfig.on('eleventy.before', async () => {
    await events.buildAllCss();
    await events.buildAllJs();
  });

  // --------------------- custom wtach targets
  eleventyConfig.addWatchTarget('./src/assets/**/*.{css,js,svg,png,jpeg}');
  eleventyConfig.addWatchTarget('./src/_includes/**/*.{webc}');

  // --------------------- layout aliases
  eleventyConfig.addLayoutAlias('base', 'base.njk');
  eleventyConfig.addLayoutAlias('page', 'page.njk');
  eleventyConfig.addLayoutAlias('post', 'post.njk');
  eleventyConfig.addLayoutAlias('tags', 'tags.njk');

  //	---------------------  Collections
  eleventyConfig.addCollection('allPosts', getAllPosts);
  eleventyConfig.addCollection('showInSitemap', showInSitemap);
  eleventyConfig.addCollection('tagList', tagList);
  eleventyConfig.addCollection('goPages', goPages);
  eleventyConfig.addCollection('tracksByProject', tracksByProject);

  // ---------------------  Plugins
  eleventyConfig.addPlugin(plugins.htmlConfig);
  eleventyConfig.addPlugin(plugins.drafts);

  eleventyConfig.addPlugin(plugins.EleventyRenderPlugin);
  eleventyConfig.addPlugin(plugins.rss);
  eleventyConfig.addPlugin(plugins.syntaxHighlight);

  eleventyConfig.addPlugin(plugins.webc, {
    components: ['./src/_includes/webc/**/*.webc'],
    useTransform: true
  });

  eleventyConfig.addPlugin(plugins.eleventyImageTransformPlugin, {
    formats: ['webp', 'jpeg'],
    widths: ['auto'],
    htmlOptions: {
      imgAttributes: {
        loading: 'lazy',
        decoding: 'async',
        sizes: 'auto'
      },
      pictureAttributes: {}
    }
  });

  eleventyConfig.addPlugin(plugins.EleventyNavigationPlugin);

  // ---------------------  bundle
  eleventyConfig.addBundle('css', {hoist: true});

  // 	--------------------- Library and Data
  eleventyConfig.setLibrary('md', plugins.markdownLib);
  eleventyConfig.addDataExtension('yaml', contents => yaml.load(contents));

  // --------------------- Filters
  eleventyConfig.addFilter('toIsoString', filters.toISOString);
  eleventyConfig.addFilter('formatDate', filters.formatDate);
  eleventyConfig.addFilter('formatDateUTC', filters.formatDateUTC);
  eleventyConfig.addFilter('markdownFormat', filters.markdownFormat);
  eleventyConfig.addFilter('splitlines', filters.splitlines);
  eleventyConfig.addFilter('striptags', filters.striptags);
  eleventyConfig.addFilter('shuffle', filters.shuffleArray);
  eleventyConfig.addFilter('alphabetic', filters.sortAlphabetically);
  eleventyConfig.addFilter('slugify', filters.slugifyString);
  eleventyConfig.addFilter('padNumber', filters.padNumber);

  // --------------------- Shortcodes
  eleventyConfig.addShortcode('svg', shortcodes.svgShortcode);
  eleventyConfig.addShortcode('image', shortcodes.imageShortcode);
  eleventyConfig.addShortcode('imageKeys', shortcodes.imageKeysShortcode);
  eleventyConfig.addShortcode('animateText', shortcodes.animateText);
  eleventyConfig.addPairedShortcode('gsapScrollAnim', shortcodes.gsapScrollAnim);
  eleventyConfig.addShortcode('year', () => `${new Date().getFullYear()}`);


  eleventyConfig.addShortcode("umami", function () {
    // Only insert tracking on production builds
    if (process.env.ELEVENTY_ENV === "production" || process.env.NODE_ENV === "production") {
      return `<script defer src="https://umami.hypnagaga.com/script.js" data-website-id="5b310c0d-84a4-4435-a4f4-a3c093a1b07a"></script>`;
    }
    return ""; // No script in dev builds
  });

  // Custom shortcode for the post feature image to add pagefind attribute
  eleventyConfig.addAsyncShortcode('featureImage', async (src, alt, credit) => {
    // call the original image shortcode with arguments for a feature image
    const imageHtml = await shortcodes.imageShortcode(src, alt, credit, 'eager', 'feature');
    if (imageHtml) {
      // inject the pagefind attribute into the <img> tag
      return imageHtml.replace('<img', '<img data-pagefind-meta="image[src]"');
    }
    return '';
  });

  // --------------------- Events --------------------- 
  if (process.env.ELEVENTY_RUN_MODE === 'serve') {
    eleventyConfig.on('eleventy.after', events.svgToJpeg);
  }

  // Pagefind search index
  if (process.env.ELEVENTY_RUN_MODE === 'build') {
    eleventyConfig.on('eleventy.after', events.buildPagefind);
  }

  // --------------------- Passthrough File Copy

  // -- same path
  ['src/assets/fonts/', 'src/assets/images/template', 'src/assets/og-images', 'src/assets/svg/'].forEach(path =>
    eleventyConfig.addPassthroughCopy(path)
  );

  eleventyConfig.addPassthroughCopy({
    // -- to root
    'src/assets/images/favicon/*': '/',

    // -- node_modules
    'node_modules/lite-youtube-embed/src/lite-yt-embed.{css,js}': `assets/components/`,
    'node_modules/@hotwired/turbo/dist/turbo.es2017-esm.js': `assets/components/turbo.js`
  });

  // ----------------------  ignore test files
  if (process.env.ELEVENTY_ENV != 'test') {
    eleventyConfig.ignores.add('src/common/pa11y.njk');
  }

  // --------------------- general config
  return {
    markdownTemplateEngine: 'njk',

    dir: {
      output: 'dist',
      input: 'src',
      includes: '_includes',
      layouts: '_layouts'
    }
  };
}