import { useEffect } from 'preact/hooks';
import { useSnapshot } from 'valtio';

import Columns from '../components/columns';
import Icon from '../components/icon';
import Link from '../components/link';
import db from '../utils/db';
import openCompose from '../utils/open-compose';
import states from '../utils/states';
import { getCurrentAccountNS } from '../utils/store-utils';

import Following from './following';

function Home() {
  const snapStates = useSnapshot(states);
  useEffect(() => {
    (async () => {
      const keys = await db.drafts.keys();
      if (keys.length) {
        const ns = getCurrentAccountNS();
        const ownKeys = keys.filter((key) => key.startsWith(ns));
        if (ownKeys.length) {
          states.showDrafts = true;
        }
      }
    })();
  }, []);

  return (
    <>
      {snapStates.settings.shortcutsColumnsMode &&
      !!snapStates.shortcuts?.length ? (
        <Columns />
      ) : (
        <Following
          title="Home"
          path="/"
          id="home"
          headerStart={false}
          headerEnd={
            <Link
              to="/notifications"
              class={`button plain ${
                snapStates.notificationsShowNew ? 'has-badge' : ''
              }`}
              onClick={(e) => {
                e.stopPropagation();
              }}
            >
              <Icon icon="notification" size="l" alt="Notifications" />
            </Link>
          }
        />
      )}
      <button
        // hidden={scrollDirection === 'end' && !nearReachStart}
        type="button"
        id="compose-button"
        onClick={(e) => {
          if (e.shiftKey) {
            const newWin = openCompose();
            if (!newWin) {
              alert('Looks like your browser is blocking popups.');
              states.showCompose = true;
            }
          } else {
            states.showCompose = true;
          }
        }}
      >
        <Icon icon="quill" size="xl" alt="Compose" />
      </button>
    </>
  );
}

export default Home;