Deployment - Vercel/Netlify

'use client';

import { useState, useEffect } from 'react';

interface Track {
  id: string;
  title: string;
  artist: string;
  coverArt: string;
  duration: number;
}

interface Artist {
  id: string;
  name: string;
  avatar: string;
}

const mockTracks: Track[] = [
  {
    id: '1',
    title: "Hymn piratów",
    artist: 'Kapitan Redbeard',
    coverArt: 'https://images.unsplash.com/photo-1470225620780-dba8ba36b745?w=200&h=200&fit=crop',
    duration: 240
  },
  {
    id: '2',
    title: 'Żeglarska przygoda',
    artist: 'Kapitan Redbeard',
    coverArt: 'https://images.unsplash.com/photo-1493225457124-a3eb161ffa5f?w=200&h=200&fit=crop',
    duration: 195
  }
];

const mockArtists: Artist[] = [
  {
    id: '1',
    name: 'Kapitan Redbeard',
    avatar: 'https://i.pravatar.cc/150?img=12'
  },
  {
    id: '2',
    name: 'Rada Załogi',
    avatar: 'https://i.pravatar.cc/150?img=33'
  }
];

export default function SearchPage() {
  const [query, setQuery] = useState('');
  const [activeTab, setActiveTab] = useState<'all' | 'tracks' | 'artists'>('all');
  const [filteredTracks, setFilteredTracks] = useState<Track[]>([]);
  const [filteredArtists, setFilteredArtists] = useState<Artist[]>([]);

  useEffect(() => {
    if (query.length > 0) {
      const timeout = setTimeout(() => {
        setFilteredTracks(
          mockTracks.filter(t =>
            t.title.toLowerCase().includes(query.toLowerCase()) ||
            t.artist.toLowerCase().includes(query.toLowerCase())
          )
        );
        setFilteredArtists(
          mockArtists.filter(a =>
            a.name.toLowerCase().includes(query.toLowerCase())
          )
        );
      }, 300);

      return () => clearTimeout(timeout);
    } else {
      setFilteredTracks([]);
      setFilteredArtists([]);
    }
  }, [query]);

  return (
    <div className="min-h-screen bg-black text-white p-8">
      {/* Pole wyszukiwania */}
      <div className="mb-6">
        <div className="relative max-w-md">
          <input
            type="text"
            value={query}
            onChange={(e) => setQuery(e.target.value)}
            placeholder="Czego chcesz posłuchać?"
            className="w-full bg-gray-800 text-white px-12 py-3 rounded-full outline-none focus:ring-2 focus:ring-white"
            autoFocus
          />
          <span className="absolute left-4 top-1/2 transform -translate-y-1/2 text-xl">
            ⌕
          </span>
        </div>
      </div>

      {!query ? (
        <div>
          <h2 className="text-2xl font-bold mb-4">Przeglądaj wszystko</h2>
          <div className="grid grid-cols-2 md:grid-cols-3 gap-4">
            {['Szanty', 'Hymny bitewne', 'Łowy na skarby', 'Spokojne morza', 'Epickie przygody', 'Naprawy statku'].map(genre => (
              <button
                key={genre}
                className="aspect-square bg-gradient-to-br from-purple-600 to-pink-600 rounded-lg p-4 font-bold text-lg hover:scale-105 transition"
              >
                {genre}
              </button>
            ))}
          </div>
        </div>
      ) : (
        <>
          {/* Zakładki */}
          <div className="flex gap-4 mb-6 border-b border-gray-800">
            {[
              { key: 'all', label: 'Wszystko' },
              { key: 'tracks', label: 'Utwory' },
              { key: 'artists', label: 'Wykonawcy' }
            ].map(tab => (
              <button
                key={tab.key}
                onClick={() => setActiveTab(tab.key as any)}
                className={`pb-2 px-4 font-semibold ${
                  activeTab === tab.key
                    ? 'border-b-2 border-green-500'
                    : 'text-gray-400'
                }`}
              >
                {tab.label}
              </button>
            ))}
          </div>

          {/* Wyniki */}
          <div className="space-y-6">
            {(activeTab === 'all' || activeTab === 'tracks') && filteredTracks.length > 0 && (
              <div>
                <h3 className="text-xl font-bold mb-4">Utwory</h3>
                <div className="space-y-2">
                  {filteredTracks.map(track => (
                    <div
                      key={track.id}
                      className="flex items-center gap-4 p-2 rounded hover:bg-gray-800 cursor-pointer"
                    >
                      <img src={track.coverArt} alt={track.title} className="w-12 h-12 rounded" />
                      <div className="flex-1">
                        <div className="font-semibold">{track.title}</div>
                        <div className="text-sm text-gray-400">{track.artist}</div>
                      </div>
                      <span className="text-sm text-gray-400">
                        {Math.floor(track.duration / 60)}:{(track.duration % 60).toString().padStart(2, '0')}
                      </span>
                    </div>
                  ))}
                </div>
              </div>
            )}

            {(activeTab === 'all' || activeTab === 'artists') && filteredArtists.length > 0 && (
              <div>
                <h3 className="text-xl font-bold mb-4">Wykonawcy</h3>
                <div className="grid grid-cols-2 md:grid-cols-4 gap-4">
                  {filteredArtists.map(artist => (
                    <div
                      key={artist.id}
                      className="bg-gray-900 p-4 rounded hover:bg-gray-800 cursor-pointer"
                    >
                      <img src={artist.avatar} alt={artist.name} className="w-full aspect-square rounded-full mb-4" />
                      <div className="font-semibold">{artist.name}</div>
                      <div className="text-sm text-gray-400">Wykonawca</div>
                    </div>
                  ))}
                </div>
              </div>
            )}
          </div>
        </>
      )}
    </div>
  );
}