export function JobStatusPanel({ job }) {
  const percent = Math.round(job?.progress?.percent || 0);

  return (
    <section className="min-w-0 overflow-hidden rounded-md border border-zinc-800 bg-zinc-900/70">
      <div className="flex items-center justify-between border-b border-zinc-800 px-4 py-3">
        <h2 className="text-sm font-semibold">Job Status</h2>
        <span className={`rounded-md border px-2 py-1 text-xs ${statusClass(job?.status)}`}>
          {job?.status || 'idle'}
        </span>
      </div>
      <div className="grid min-w-0 gap-4 p-4 lg:grid-cols-[280px_minmax(0,1fr)]">
        <dl className="space-y-3 text-sm">
          <Info label="Type" value={job?.type || '-'} />
          <Info label="Current Step" value={job?.currentStep || 'No active job'} />
          <Info label="Progress" value={job ? `${percent}%` : '-'} />
          <Info label="Started" value={formatTime(job?.startedAt)} />
          <Info label="Finished" value={formatTime(job?.finishedAt)} />
          {job?.error ? <Info label="Error" value={job.error} tone="text-red-300" /> : null}
        </dl>
        <div className="min-w-0 space-y-3">
          <div className="rounded-md border border-zinc-800 bg-zinc-950 p-3">
            <div className="mb-2 flex items-center justify-between gap-3 text-xs text-zinc-400">
              <span className="min-w-0 truncate">{job?.progress?.detail || job?.currentStep || 'No active job'}</span>
              <span className="font-mono text-zinc-300">{job ? `${percent}%` : '-'}</span>
            </div>
            <div className="h-2 overflow-hidden rounded-md bg-zinc-800">
              <div className="h-full bg-cyan-400 transition-all" style={{ width: `${job ? percent : 0}%` }} />
            </div>
          </div>
          <pre className="max-h-80 max-w-full overflow-auto rounded-md border border-zinc-800 bg-zinc-950 p-3 text-xs leading-5 text-zinc-300">
            {(job?.logs || ['No logs yet.']).join('\n')}
          </pre>
        </div>
      </div>
    </section>
  );
}

function Info({ label, value, tone = 'text-zinc-300' }) {
  return (
    <div>
      <dt className="text-xs uppercase tracking-wide text-zinc-500">{label}</dt>
      <dd className={`mt-1 break-words ${tone}`}>{value}</dd>
    </div>
  );
}

function statusClass(status) {
  if (status === 'success') return 'border-emerald-800 bg-emerald-950 text-emerald-300';
  if (status === 'failed') return 'border-red-800 bg-red-950 text-red-300';
  if (status === 'running' || status === 'queued') return 'border-cyan-800 bg-cyan-950 text-cyan-300';
  return 'border-zinc-800 bg-zinc-950 text-zinc-400';
}

function formatTime(value) {
  if (!value) return '-';
  return new Intl.DateTimeFormat(undefined, { dateStyle: 'medium', timeStyle: 'medium' }).format(new Date(value));
}