import MarkdownIt from 'markdown-it';
import MarkdownItKaTeX from '@traptitech/markdown-it-katex';
import hljs from 'highlight.js';
import 'highlight.js/styles/atom-one-dark.css';
import './Markdown.css';

import 'katex/dist/katex.min.css';

let md = new MarkdownIt({
  html: false,
  linkify: false,
  breaks: true,
  inline: true,
  highlight(str, lang) {
    if (lang && hljs.getLanguage(lang)) {
      try {
        return (
          '<pre class="hljs"><code>' +
          hljs.highlight(lang, str, true).value +
          '</code></pre>'
        );
      } catch (__) {}
    }
    return (
      '<pre class="hljs"><code>' + md.utils.escapeHtml(str) + '</code></pre>'
    );
  },
}).use(MarkdownItKaTeX, {
  throwOnError: false,
  errorColor: '#aa0000',
});

export default function renderMarkdown(text) {
  return md.render(text);
}