// ==UserScript==
// @name         MPP tools
// @description  Room filter/sorting, clickable chat links
// @version      0.2.1
// @author       Jakob
// @include      *mppclone.com/*
// @include      *multiplayerpiano.com/*
// @include      *multiplayerpiano.net/*
// @namespace    https://greasyfork.org/users/779512
// @license      MIT
// @downloadURL none
// ==/UserScript==

/* globals MPP, $ */

const filter = /wolf|\brp\b|blm|bts|fna?f|anime|role|autoplay|sans|furry|afton|[üğş]|[一-龯]|[\u3131-\uD79D]|[а-я]|[\u3000-\u303F]|[\u3040-\u309F]|[\u30A0-\u30FF]|[\uFF00-\uFFEF]|[\u4E00-\u9FAF]|[\u2605-\u2606]|[\u2190-\u2195]|\u203B/iu;

MPP.client._events.ls.unshift((packet) => {
  packet.u = packet.u.filter(({ _id }) => !filter.test(_id));
  packet.u.sort((a, b) => {
    if (a.banned || b.banned) return 1;
    return b.count - a.count;
  });
});

MPP.client.on('a', () => {
  const msgElem = $('.message').last();
  msgElem.html(linkify(escapeHTML(msgElem.text())));
});

function escapeHTML(content) {
  const span = document.createElement('span');
  span.textContent = content;
  return span.innerHTML;
}

function linkify(text) {
  let replacedText;

  // URLs starting with http://, https://, or ftp://
  const replacePattern1 = /(\b(https?|ftp):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/gim;
  replacedText = text.replace(replacePattern1, '<a href="$1" target="_blank">$1</a>');

  // URLs starting with "www." (without // before it, or it'd re-link the ones done above).
  const replacePattern2 = /(^|[^\/])(www\.[\S]+(\b|$))/gim;
  replacedText = replacedText.replace(replacePattern2, '$1<a href="http://$2" target="_blank">$2</a>');

  // Change email addresses to mailto:: links.
  const replacePattern3 = /(([a-zA-Z0-9\-\_\.])+@[a-zA-Z\_]+?(\.[a-zA-Z]{2,6})+)/gim;
  replacedText = replacedText.replace(replacePattern3, '<a href="mailto:$1">$1</a>');

  return replacedText;
}