import { unwrap } from '@pipu/core';
import { useQuery } from '@tanstack/react-query';
import { Link } from '@tanstack/react-router';
import { useTranslation } from 'react-i18next';

import { useSession } from '../app/session';
import { ArtistLinks, Cover, coverSrc } from '../entities/catalog';
import { AddToPlaylist } from '../entities/playlists';
import { usePlayer, usePlayerState } from '../player/context';
import { formatDuration } from '../shared/lib/format';
import { pauseIcon, playIcon } from '../shared/ui/icons';
import { Button, PageSkeleton } from '../shared/ui/ui';
import { NotFound } from './NotFound';
import s from './page.module.css';
import c from './catalog.module.css';
import { TrackGenius } from './TrackGenius';

export function TrackPage({ id }: { id: string }) {
  const { t } = useTranslation();
  const session = useSession();
  const player = usePlayer();
  const st = usePlayerState();
  const track = useQuery({
    queryKey: ['track', id],
    queryFn: async () => unwrap(await session.client.GET('/api/v1/tracks/{id}', { params: { path: { id } } })),
  });
  if (track.isPending) {
    return (
      <div className={s.page}>
        <PageSkeleton />
      </div>
    );
  }
  if (track.isError) return <NotFound error={track.error} />;
  const tr = track.data;
  if (!tr) return null;
  const ctx = { type: 'queue' as const };
  const current = st.track?.id === tr.id;
  const playing = current && st.playing;
  return (
    <div className={s.page}>
      <div className={c.listen}>
        <header className={c.hero}>
          {tr.album.cover_url && (
            <span className={c.heroBg} aria-hidden>
              <img src={coverSrc(tr.album.cover_url, 300)} alt="" />
            </span>
          )}
          <Cover album={tr.album} size={280} className={c.heroCover} />
          <div className={c.heroBody}>
            <span className={c.kind}>{t('player.track_page')}</span>
            <h1 className={c.heroTitle}>{tr.title}</h1>
            <span className={c.heroMeta}>
              <ArtistLinks artists={tr.artists} /> · {formatDuration(tr.duration_ms)}
            </span>
            <Link to="/album/$id" params={{ id: tr.album.id }}>
              {tr.album.title}
            </Link>
            <div className={c.heroActions}>
              {tr.available && (
                <Button
                  variant="primary"
                  className={c.pill}
                  icon={playing ? pauseIcon : playIcon}
                  onClick={() => (current ? player.toggle() : player.playList([tr], 0, ctx))}
                >
                  {t(playing ? 'player.pause' : 'catalog.play')}
                </Button>
              )}
              <AddToPlaylist trackIds={[tr.id]} />
            </div>
          </div>
        </header>
        <div className={c.listenLyrics}>
          <TrackGenius id={id} />
        </div>
      </div>
    </div>
  );
}