'use client';

import { useEffect, useState } from 'react';
import Link from 'next/link';
import { countryCodeToFlag, formatMinutes } from '@/lib/steam';

interface Player {
  steamid: string;
  current_name: string;
  current_country: string | null;
  matched_name: string | null;
  total_minutes: number | null;
}

export default function PlayerSearch() {
  const [q, setQ] = useState('');
  const [sort, setSort] = useState<'recent' | 'name' | 'playtime'>('recent');
  const [players, setPlayers] = useState<Player[]>([]);
  const [loading, setLoading] = useState(true);

  useEffect(() => {
    const handle = setTimeout(async () => {
      setLoading(true);
      const params = new URLSearchParams({ q, sort });
      const res = await fetch(`/api/players?${params.toString()}`);
      const data = await res.json();
      setPlayers(data.players);
      setLoading(false);
    }, 250); // debounce so we're not hitting the DB on every keystroke

    return () => clearTimeout(handle);
  }, [q, sort]);

  return (
    <div className="space-y-4">
      <div className="flex gap-3">
        <input
          type="text"
          placeholder="Search by name or SteamID…"
          value={q}
          onChange={(e) => setQ(e.target.value)}
          className="flex-1 bg-base-panel border border-base-border rounded-lg px-4 py-3 text-ink placeholder:text-ink-faint focus:border-accent/50 transition-colors"
        />
        <select
          value={sort}
          onChange={(e) => setSort(e.target.value as typeof sort)}
          className="bg-base-panel border border-base-border rounded-lg px-3 text-sm text-ink-muted focus:border-accent/50 transition-colors"
        >
          <option value="recent">Recently active</option>
          <option value="name">Name (A–Z)</option>
          <option value="playtime">Highest playtime</option>
        </select>
      </div>

      <div className="panel divide-y divide-base-border">
        {loading ? (
          <div className="p-4 text-sm text-ink-faint font-mono">loading…</div>
        ) : players.length === 0 ? (
          <div className="p-4 text-sm text-ink-muted">No players found.</div>
        ) : (
          players.map((p) => (
            <Link
              key={p.steamid}
              href={`/players/${encodeURIComponent(p.steamid)}`}
              className="flex items-center justify-between px-4 py-3 hover:bg-base transition-colors"
            >
              <div className="flex items-center gap-3">
                <span className="text-lg" aria-hidden>
                  {countryCodeToFlag(p.current_country)}
                </span>
                <div>
                  <div className="text-ink text-sm">{p.current_name}</div>
                  {p.matched_name && p.matched_name !== p.current_name && (
                    <div className="text-xs text-ink-faint">previously: {p.matched_name}</div>
                  )}
                </div>
              </div>
              <div className="flex items-center gap-4">
                <span className="mono text-ink-faint text-xs">{formatMinutes(p.total_minutes)}</span>
                <span className="mono text-ink-faint">{p.steamid}</span>
              </div>
            </Link>
          ))
        )}
      </div>
    </div>
  );
}