import React, { useState, useEffect } from 'react';
import './Client.scss';

import Text from '../../atoms/text/Text';
import Spinner from '../../atoms/spinner/Spinner';
import Navigation from '../../organisms/navigation/Navigation';
import ReusableContextMenu from '../../atoms/context-menu/ReusableContextMenu';
import Room from '../../organisms/room/Room';
import Windows from '../../organisms/pw/Windows';
import Dialogs from '../../organisms/pw/Dialogs';
import EmojiBoardOpener from '../../organisms/emoji-board/EmojiBoardOpener';
import logout from '../../../client/action/logout';

import initMatrix from '../../../client/initMatrix';
import navigation from '../../../client/state/navigation';
import cons from '../../../client/state/cons';

function Client() {
  const [isLoading, changeLoading] = useState(true);
  const [loadingMsg, setLoadingMsg] = useState('Heating up');

  useEffect(() => {
    let counter = 0;
    const iId = setInterval(() => {
      const msgList = [
        'Sometimes it takes a while...',
        'Looks like you have a lot of stuff to heat up!',
      ];
      if (counter === msgList.length - 1) {
        setLoadingMsg(msgList[msgList.length - 1]);
        clearInterval(iId);
        return;
      }
      setLoadingMsg(msgList[counter]);
      counter += 1;
    }, 9000);
    initMatrix.once('init_loading_finished', () => {
      clearInterval(iId);
      changeLoading(false);
    });
    initMatrix.init();
  }, []);

  if (isLoading) {
    return (
      <div className="loading-display">
        <button className="loading__logout" onClick={logout} type="button">
          <Text variant="b3">Logout</Text>
        </button>
        <Spinner />
        <Text className="loading__message" variant="b2">{loadingMsg}</Text>

        <div className="loading__appname">
          <Text variant="h2" weight="medium">Cinny</Text>
        </div>
      </div>
    );
  }

  const handleDrag = (e) => {
    e.preventDefault();

    if (!navigation.selectedRoomId) {
      e.dataTransfer.dropEffect = 'none';
    }
  };

  const handleDrop = (e) => {
    e.preventDefault();

    const roomId = navigation.selectedRoomId;
    if (!roomId) return;

    const { files } = e.dataTransfer;
    if (!files) return;
    const file = files[0];
    initMatrix.roomsInput.setAttachment(roomId, file);
    initMatrix.roomsInput.emit(cons.events.roomsInput.ATTACHMENT_SET, file);
  };

  return (
    <div
      className="client-container"
      onDragOver={handleDrag}
      onDrop={handleDrop}
    >
      <div className="navigation__wrapper">
        <Navigation />
      </div>
      <div className="room__wrapper">
        <Room />
      </div>
      <Windows />
      <Dialogs />
      <EmojiBoardOpener />
      <ReusableContextMenu />
    </div>
  );
}

export default Client;