import { formatBytes, formatDateTime, formatDuration } from '../../shared/lib/format';
import { editIcon, refreshIcon } from '../../shared/ui/icons';
import { needsFormatAttention } from './files';
import { UploadStatusBadge, useReasonText, type UploadFile } from './common';
import { useTranslation } from 'react-i18next';
import { Button, cx, Icon } from '../../shared/ui/ui';
import s from '../../pages/page.module.css';
import u from '../../pages/uploads/uploads.module.css';
export function BatchCard({
  files,
  selectable,
  selected,
  onToggle,
  onEdit,
  onEditBatch,
  onRetry,
}: {
  files: UploadFile[];
  selectable: boolean;
  selected: Set<string>;
  onToggle: (ids: string[], on: boolean) => void;
  onEdit: (f: UploadFile) => void;
  onEditBatch: (batchId: string) => void;
  onRetry: (id: string) => void;
}) {
  const { t, i18n } = useTranslation('admin');
  const first = files[0]!;
  const ids = files.map((f) => f.id);
  const all = ids.every((id) => selected.has(id));
  const size = files.reduce((n, f) => n + f.size_bytes, 0);
  return (
    <section className={u.batch} aria-label={t('uploads.batch_of', { author: first.author.username })}>
      <div className={u.batchHead}>
        {selectable && (
          <input type="checkbox" aria-label={t('uploads.select_batch')} checked={all} onChange={(e) => onToggle(ids, e.target.checked)} />
        )}
        <b>{first.author.username}</b>
        <span>{formatDateTime(first.created_at, i18n.language)}</span>
        <span>{t('uploads.batch_size', { count: files.length, size: formatBytes(size, i18n.language) })}</span>
        {first.batch_comment && <span className={u.comment}>«{first.batch_comment}»</span>}
        <span style={{ flex: 1 }} />
        {selectable && (
          <Button variant="ghost" onClick={() => onEditBatch(first.batch_id)}>
            {t('uploads.edit_batch')}
          </Button>
        )}
      </div>
      {files.map((f) => (
        <QueueRow
          key={f.id}
          file={f}
          selectable={selectable}
          checked={selected.has(f.id)}
          onCheck={(on) => onToggle([f.id], on)}
          onEdit={() => onEdit(f)}
          onRetry={() => onRetry(f.id)}
        />
      ))}
    </section>
  );
}

function QueueRow({
  file: f,
  selectable,
  checked,
  onCheck,
  onEdit,
  onRetry,
}: {
  file: UploadFile;
  selectable: boolean;
  checked: boolean;
  onCheck: (on: boolean) => void;
  onEdit: () => void;
  onRetry: () => void;
}) {
  const { t, i18n } = useTranslation('admin');
  const reason = useReasonText()(f.status_reason);
  const m = f.metadata;
  const quality = [
    f.format?.toUpperCase(),
    f.bitrate ? `${Math.round(f.bitrate / 1000)} kbps` : null,
    f.sample_rate ? `${(f.sample_rate / 1000).toFixed(1)} kHz` : null,
    f.bit_depth ? `${f.bit_depth} bit` : null,
    f.duration_ms ? formatDuration(f.duration_ms) : null,
    formatBytes(f.size_bytes, i18n.language),
  ]
    .filter(Boolean)
    .join(' · ');
  const editable = f.status === 'pending_review' || f.status === 'import_failed';
  return (
    <div className={u.queueRow}>
      {selectable ? (
        <input type="checkbox" aria-label={t('uploads.select_file', { name: f.original_name })} checked={checked} onChange={(e) => onCheck(e.target.checked)} />
      ) : (
        <span />
      )}
      <div className={u.meta}>
        <span className={u.metaTitle}>{m ? `${m.artist} — ${m.title}` : f.original_name}</span>
        {m && (
          <span className={u.sub}>
            {[m.album, m.year, m.disc && m.disc > 1 ? t('uploads.disc', { n: m.disc }) : null, m.track ? `#${m.track}` : null, m.genre]
              .filter(Boolean)
              .join(' · ')}
            {f.metadata_edited && ` · ${t('uploads.edited')}`}
          </span>
        )}
        <span className={u.sub}>{quality}</span>
        <span className={u.sub} title={f.client_rel_path ?? undefined}>
          {f.client_rel_path ?? f.original_name}
        </span>
      </div>
      <div className={u.meta}>
        <div className={u.flags}>
          <UploadStatusBadge status={f.status} />
          {needsFormatAttention(f.format, f.original_name) && (
            <span className={cx(s.badge, u.tone_warn)} title={t('uploads.format_attention')}>
              {t('uploads.flag_attention')}
            </span>
          )}
          {f.possible_duplicate && <span className={cx(s.badge, u.tone_warn)}>{t('uploads.flag_possible')}</span>}
          {f.quality_upgrade && <span className={cx(s.badge, u.tone_info)}>{t('uploads.flag_quality')}</span>}
          {f.matched_album_id ? (
            <span className={cx(s.badge, u.tone_info)}>{t('uploads.flag_existing_album')}</span>
          ) : (
            m && <span className={cx(s.badge, u.tone_muted)}>{t('uploads.flag_new_album')}</span>
          )}
        </div>
        {f.target_rel_path && <span className={u.target}>{f.target_rel_path}</span>}
        {reason && <span className={f.status === 'pending_review' ? u.warn : u.bad}>{reason}</span>}
        {f.duplicate_level && f.status === 'duplicate' && (
          <span className={u.sub}>{t(`uploads.dup_level_${f.duplicate_level}`)}</span>
        )}
      </div>
      <div className={u.rowActions}>
        {f.stream_url && (
          <audio controls preload="none" src={f.stream_url} aria-label={t('uploads.listen', { name: f.original_name })} />
        )}
        {editable && (
          <Button variant="ghost" aria-label={t('uploads.edit', { name: f.original_name })} onClick={onEdit}>
            <Icon src={editIcon} size={18} />
          </Button>
        )}
        {f.status === 'import_failed' && (
          <Button variant="ghost" icon={refreshIcon} onClick={onRetry}>
            {t('uploads.retry')}
          </Button>
        )}
      </div>
    </div>
  );
}