(() => {
  const NI = getCookie('interface') === 'ni';
  // TODO: move this url to .env file or create whole account system
  const URI = 'webhook link';

  function getCookie(name) {
    const value = '; ' + document.cookie;
    const parts = value.split(`; ${name}=`);

    if (parts.length == 2) {
      return parts.pop().split(";").shift();
    }
  }

  function myNick() {
    return NI ? Engine.hero.d.nick : hero.nick;
  }

  function getMapProp(prop) {
    return NI ? Engine.map.d[prop] : map[prop];
  }

  function checkNpc(npc) {
    if (npc.wt > 79) {
      const type = npc.wt < 100 ? 'heros' : getMapProp('mode') !== 5 ? 'tytan' : 'kolos';
      const color = type === 'heros' ? 3448267 : type === 'tytan' ? 12718623 : 8037675;

      sendMessage({
        ...npc,
        color,
        imageURI: window.location.origin + (NI ? CFG.npath : '') + npc.icon,
        stringifiedType: type,
      });
    }
  }

  function sendMessage(mob) {
    const message = {
      username: mob.nick,
      avatar_url: mob.imageURI,
      content: '@everyone',
      embeds: [{
        color: mob.color,
        title: `${myNick()} znalazł ${mob.stringifiedType}a`,
        thumbnail: {
          url: mob.imageURI,
        },
        fields: [{
          inline: true,
          name: new Date().toLocaleString(),
          value: `\`${mob.nick} ${mob.lvl} lvl\n${getMapProp('name')} (${mob.x}, ${mob.y})\``,
        }],
      }],
    };

    fetch(URI, {
      method: 'POST',
      cache: 'no-cache',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(message),
    })
      .catch((error) => {
        console.error(error);

        log('Błąd przy wysyłaniu danych do webhooka PEC', 2);
        log(error, 2);
      });
  }

  function start() {
    if (NI) {
      API.addCallbackToEvent('newNpc', (data) => {
        if (data && data.d) {
          checkNpc(data.d);
        }
      });
    } else {
      const oldNewNpc = newNpc;

      newNpc = (npcs) => {
        oldNewNpc(npcs);

        if (npcs) {
          for (const npc of Object.values(npcs)) {
            checkNpc(npc);
          }
        }
      };
    }
  }

  const oldSend = XMLHttpRequest.prototype.send;
  let loaded = false;
  let started = false;

  XMLHttpRequest.prototype.send = function () {
    const callback = this.onreadystatechange;

    this.onreadystatechange = function () {
      if (4 === this.readyState) {
        if (this.responseURL.includes('margonem.pl/engine?t=init&initlvl=4')) {
          loaded = true;
        }
      }

      if (callback !== null) {
        callback.apply(this, arguments);
      }
    };

    oldSend.apply(this, arguments);

    if (loaded && !started) {
      started = true;

      start();
    }
  };
})();