const { EleventyHtmlBasePlugin, EleventyI18nPlugin } = require("@11ty/eleventy");
const eleventyNavigationPlugin = require("@11ty/eleventy-navigation");
const fs = require('fs');

// update this :)
const year = 2024;

module.exports = function(eleventyConfig) {
  eleventyConfig.addPlugin(EleventyHtmlBasePlugin);
  eleventyConfig.addPlugin(eleventyNavigationPlugin);
  eleventyConfig.addPlugin(EleventyI18nPlugin, {
    defaultLanguage: "de",
  });

  eleventyConfig.addGlobalData("year", year);

  eleventyConfig.addFilter("pageLang", function(value) {
    return value.filter(item => item.page.lang === this.page.lang)
  });

  // copy german start page to root url
  eleventyConfig.on(
    "eleventy.after",
    async ({ dir, runMode, outputMode }) => {
      if (outputMode === "fs") {
        fs.copyFile(`${dir.output}/de/index.html`, `${dir.output}/index.html`, (err) => {
          if (err) console.log(err);
        });
      }
    }
  );

  return {
    dir: {
      input: "content",
      includes: "../_includes",
      layouts: "../_layouts",
      data: "../_data",
    },
    pathPrefix: `/${year}/`,
  }
};