const pluginNavigation = require('@11ty/eleventy-navigation')
const htmlmin = require('html-minifier')
const markdownIt = require('markdown-it')
const markdownItAttrs = require('markdown-it-attrs')
const options = {
  html: true,
  breaks: true,
  linkify: true
}
const markdownLib = markdownIt(options).use(markdownItAttrs)

module.exports = function (eleventyConfig) {
  eleventyConfig.addGlobalData('username', 'Laureηt')
  eleventyConfig.addPlugin(pluginNavigation)
  eleventyConfig.setLibrary('md', markdownLib)
  eleventyConfig.addWatchTarget('./src/scss/')
  eleventyConfig.addPassthroughCopy({
    'assets/': './'
  })

  if (process.env.ELEVENTY_ENV === 'prod') {
    eleventyConfig.addTransform('htmlmin', function (content, outputPath) {
      // Eleventy 1.0+: use this.inputPath and this.outputPath instead
      if (outputPath && outputPath.endsWith('.html')) {
        const minified = htmlmin.minify(content, {
          useShortDoctype: true,
          removeComments: true,
          collapseWhitespace: true,
          minifyJS: true,
          minifyCSS: true
        })
        return minified
      } else {
        return content
      }
    })
  }

  eleventyConfig.addShortcode('year', () => {
    const year = new Date().getFullYear()
    return year.toString()
  })

  return {
    passthroughFileCopy: true,
    dir: {
      input: 'src',
      data: '_data',
      output: '_site',
      includes: '_includes'
    }
  }
}