import { Link } from "react-router";
import type { Event } from "~/lib/db.server";

interface Props {
  event: Event;
}

export default function EventListRow({ event }: Props) {
  const formattedDate = formatDate(event.date);
  const timeLabel = buildTimeLabel(event.open_time, event.start_time);

  return (
    <Link
      to={`/events/${event.id}`}
      className="group flex items-center gap-3 rounded-lg px-4 py-3 bg-gray-800/40 border border-gray-700/30 hover:border-indigo-500/50 hover:bg-gray-800/70 transition-all text-sm"
    >
      {/* Date */}
      <span className="w-24 sm:w-32 shrink-0 text-xs text-gray-400 tabular-nums">
        {formattedDate}
        {timeLabel && (
          <span className="block text-gray-600 text-[11px]">{timeLabel}</span>
        )}
      </span>

      {/* Venue */}
      <span className="hidden sm:inline-flex w-28 shrink-0 truncate rounded-full bg-gray-700/60 px-2 py-0.5 text-xs text-gray-300">
        {event.venue_name}
        {event.venue_area ? `（${event.venue_area}）` : ""}
      </span>

      {/* Title + artist */}
      <span className="flex-1 min-w-0">
        <span className="block truncate font-medium text-gray-100 group-hover:text-indigo-300 transition-colors">
          {event.title}
        </span>
        {event.artist && (
          <span className="block truncate text-xs text-indigo-300/80">
            {event.artist}
          </span>
        )}
      </span>

      {/* Price */}
      {event.price ? (
        <span className="hidden sm:block shrink-0 text-xs text-emerald-400">¥{event.price}</span>
      ) : (
        <span className="hidden sm:block shrink-0 w-16" />
      )}
    </Link>
  );
}

function formatDate(iso: string): string {
  const [y, m, d] = iso.split("-");
  const days = ["日", "月", "火", "水", "木", "金", "土"];
  const dayIdx = new Date(`${iso}T00:00:00`).getDay();
  return `${y}/${m}/${d}（${days[dayIdx]}）`;
}

function buildTimeLabel(open: string | null, start: string | null): string {
  const parts: string[] = [];
  if (open) parts.push(`OPEN ${open}`);
  if (start) parts.push(`START ${start}`);
  return parts.join(" / ");
}