import { useState, useEffect } from 'react';
import { useRouter } from 'next/router';
import Layout from '../../components/Layout';
import { useIsAdmin } from '../../lib/admin-auth';
import { useAuth } from '../../lib/use-auth';
import CollectionSelectionModal from '../../components/CollectionSelectionModal';
import { ManaCost, ColorIdentity, AdvancedManaCost } from '../../components/ManaSymbols';
import ManaSymbolSettings from '../../components/ManaSymbolSettings';

export default function CardDetail() {
  const router = useRouter();
  const { id } = router.query;
  const { user } = useAuth();

  const [card, setCard] = useState(null);
  const [loading, setLoading] = useState(true);
  const [activeTab, setActiveTab] = useState('details');
  const [ownedQuantity, setOwnedQuantity] = useState(0);
  const [showQuantityModal, setShowQuantityModal] = useState(false);
  const [showCollectionModal, setShowCollectionModal] = useState(false);
  const [showDeckModal, setShowDeckModal] = useState(false);
  const [selectedCollection, setSelectedCollection] = useState('');
  const [selectedDeck, setSelectedDeck] = useState('');
  const [quantity, setQuantity] = useState(1);
  const [isFavorited, setIsFavorited] = useState(false);
  const [collections, setCollections] = useState([]);
  const [decks, setDecks] = useState([]);
  const [cardCollections, setCardCollections] = useState([]);
  const [cardDecks, setCardDecks] = useState([]);

  // Mana symbol settings
  const [manaSymbolSettings, setManaSymbolSettings] = useState({ useSVG: false });

  // Check admin status
  const { isAdmin, loading: adminLoading } = useIsAdmin();

  // Fetch card data from API
  useEffect(() => {
    const fetchCard = async () => {
      if (!id) return;
      
      try {
        const response = await fetch(`/api/cards/${id}`);
        if (response.ok) {
          const cardData = await response.json();
          setCard(cardData);
          
          // Fetch user's ownership of this card
          const token = localStorage.getItem('auth_token');
          if (token) {
            try {
              const ownershipResponse = await fetch(`/api/cards/${id}/ownership`, {
                headers: { 'Authorization': `Bearer ${token}` }
              });
              if (ownershipResponse.ok) {
                const ownershipData = await ownershipResponse.json();
                setOwnedQuantity(ownershipData.quantity || 0);
              }
            } catch (error) {
              console.error('Error fetching ownership:', error);
            }

            // Check if card is favorited
            try {
              const favoritesResponse = await fetch(`/api/favorites?type=card`, {
                headers: { 'Authorization': `Bearer ${token}` }
              });
              if (favoritesResponse.ok) {
                const favoritesData = await favoritesResponse.json();
                const isCardFavorited = favoritesData.favorites.some(fav => fav.item_id == id);
                setIsFavorited(isCardFavorited);
              }
            } catch (error) {
              console.error('Error checking favorites:', error);
            }
          }
        } else {
          console.error('Failed to fetch card');
        }
      } catch (error) {
        console.error('Error fetching card:', error);
      } finally {
        setLoading(false);
      }
    };

    fetchCard();
  }, [id]);

  // Fetch user's collections and decks
  useEffect(() => {
    const fetchUserData = async () => {
      try {
        const token = localStorage.getItem('auth_token');
        const headers = {
          'Authorization': `Bearer ${token}`
        };

        // Fetch collections
        const collectionsResponse = await fetch('/api/collections', { headers });
        if (collectionsResponse.ok) {
          const collectionsData = await collectionsResponse.json();
          setCollections(collectionsData);
        }

        // Fetch decks
        const decksResponse = await fetch('/api/decks', { headers });
        if (decksResponse.ok) {
          const decksData = await decksResponse.json();
          setDecks(decksData);
        }

        // Fetch card's current collections and decks
        if (card) {
          const cardCollectionsResponse = await fetch(`/api/cards/${id}/collections`, { headers });
          if (cardCollectionsResponse.ok) {
            const cardCollectionsData = await cardCollectionsResponse.json();
            setCardCollections(cardCollectionsData);
          }

          const cardDecksResponse = await fetch(`/api/cards/${id}/decks`, { headers });
          if (cardDecksResponse.ok) {
            const cardDecksData = await cardDecksResponse.json();
            setCardDecks(cardDecksData);
          }
        }
      } catch (error) {
        console.error('Error fetching user data:', error);
      }
    };

    if (card) {
      fetchUserData();
    }
  }, [card, id]);

  const getRarityGradient = (rarity) => {
    const rarityKey = rarity?.toLowerCase();
    const gradients = {
      'common': '#9ca3af, #6b7280, #4b5563',           // Subtle gray glow
      'uncommon': '#10b981, #059669, #047857',         // Green glow
      'rare': '#f59e0b, #d97706, #b45309',             // Gold glow
      'mythic': '#fbbf24, #f59e0b, #d97706',           // Rich gold glow
      'holographic': '#ec4899, #db2777, #be185d',     // Pink glow
      'enchanted': '#a855f7, #9333ea, #7c3aed',       // Purple glow
      'super rare': '#3b82f6, #2563eb, #1d4ed8',       // Blue glow
      'legendary': '#fbbf24, #f59e0b, #ea580c'         // Vibrant gold-orange glow
    };
    return gradients[rarityKey] || '#6b7280, #4b5563, #374151';
  };

  const getParticleCount = (rarity) => {
    const rarityKey = rarity?.toLowerCase();
    const particleCounts = {
      'common': 0,
      'uncommon': 15,
      'rare': 25,
      'mythic': 40,
      'holographic': 50,
      'enchanted': 60,
      'super rare': 45,
      'legendary': 80
    };
    return particleCounts[rarityKey] || 0;
  };

  const getParticleColor = (rarity) => {
    const rarityKey = rarity?.toLowerCase();
    const colors = {
      'common': '#ffffff',
      'uncommon': '#10b981',
      'rare': '#f59e0b',
      'mythic': '#ffd700',
      'holographic': '#ff6b6b',
      'enchanted': '#a855f7',
      'super rare': '#3b82f6',
      'legendary': '#ffd700'
    };
    return colors[rarityKey] || '#ffffff';
  };

  const getTCGIcon = (game) => {
    const icons = {
      'MTG': '🔮',
      'Pokemon': '⚡',
      'Lorcana': '✨'
    };
    return icons[game] || '🃏';
  };

  const formatCurrency = (amount) => {
    if (!amount) return '$0.00';
    return new Intl.NumberFormat('en-US', {
      style: 'currency',
      currency: 'USD'
    }).format(amount);
  };

  const getRarityLabel = (rarity) => {
    const rarityMap = {
      'common': 'Common',
      'uncommon': 'Uncommon',
      'rare': 'Rare',
      'mythic': 'Mythic',
      'holographic': 'Holographic',
      'enchanted': 'Enchanted',
      'super rare': 'Super Rare',
      'legendary': 'Legendary'
    };
    return rarityMap[rarity?.toLowerCase()] || rarity;
  };

  const getRarityColor = (rarity) => {
    const colors = {
      'common': '#6B7280',
      'uncommon': '#10B981',
      'rare': '#F59E0B',
      'mythic': '#FFD700',
      'holographic': '#FF6B6B',
      'enchanted': '#A855F7',
      'super rare': '#3B82F6',
      'legendary': '#FFD700'
    };
    return colors[rarity?.toLowerCase()] || '#6B7280';
  };

  const handleOwnershipUpdate = async (newQuantity) => {
    try {
      const token = localStorage.getItem('auth_token');
      const response = await fetch(`/api/cards/${id}/ownership`, {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
          'Authorization': `Bearer ${token}`
        },
        body: JSON.stringify({ quantity: newQuantity })
      });

      if (response.ok) {
        setOwnedQuantity(newQuantity);
        setShowQuantityModal(false);
      } else {
        console.error('Failed to update ownership');
      }
    } catch (error) {
      console.error('Error updating ownership:', error);
    }
  };

  const handleAddToCollection = async () => {
    try {
      const token = localStorage.getItem('auth_token');
      const headers = {
        'Content-Type': 'application/json',
        'Authorization': `Bearer ${token}`
      };

      const response = await fetch(`/api/cards/${id}/collections`, {
        method: 'POST',
        headers,
        body: JSON.stringify({ collectionId: selectedCollection })
      });

      if (response.ok) {
        // Refresh card collections
        const cardCollectionsResponse = await fetch(`/api/cards/${id}/collections`, { 
          headers: { 'Authorization': `Bearer ${token}` }
        });
        if (cardCollectionsResponse.ok) {
          const cardCollectionsData = await cardCollectionsResponse.json();
          setCardCollections(cardCollectionsData);
        }
        setShowCollectionModal(false);
        setSelectedCollection('');
      } else {
        console.error('Failed to add to collection');
      }
    } catch (error) {
      console.error('Error adding to collection:', error);
    }
  };

  const handleAddToDeck = async () => {
    try {
      const token = localStorage.getItem('auth_token');
      const headers = {
        'Content-Type': 'application/json',
        'Authorization': `Bearer ${token}`
      };

      const response = await fetch(`/api/cards/${id}/decks`, {
        method: 'POST',
        headers,
        body: JSON.stringify({ deckId: selectedDeck })
      });

      if (response.ok) {
        // Refresh card decks
        const cardDecksResponse = await fetch(`/api/cards/${id}/decks`, {
          headers: { 'Authorization': `Bearer ${token}` }
        });
        if (cardDecksResponse.ok) {
          const cardDecksData = await cardDecksResponse.json();
          setCardDecks(cardDecksData);
        }
        setShowDeckModal(false);
        setSelectedDeck('');
      } else {
        console.error('Failed to add to deck');
      }
    } catch (error) {
      console.error('Error adding to deck:', error);
    }
  };

  const handleToggleFavorite = async () => {
    try {
      const token = localStorage.getItem('auth_token');
      const response = await fetch(`/api/cards/${id}/favorite`, {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
          'Authorization': `Bearer ${token}`
        },
        body: JSON.stringify({ favorited: !isFavorited })
      });

      if (response.ok) {
        setIsFavorited(!isFavorited);
      } else {
        console.error('Failed to toggle favorite');
      }
    } catch (error) {
      console.error('Error toggling favorite:', error);
    }
  };

  if (loading) {
    return (
      <Layout user={user}>
        <div className="flex items-center justify-center min-h-screen">
          <div className="animate-spin rounded-full h-32 w-32 border-b-2" style={{ borderColor: 'var(--text-accent-light)' }}></div>
        </div>
      </Layout>
    );
  }

  if (!card) {
    return (
      <Layout user={user}>
        <div className="flex items-center justify-center min-h-screen">
          <div className="text-center">
            <div className="text-6xl mb-4">🃏</div>
            <h2 className="text-2xl font-bold mb-2" style={{ color: 'var(--text-primary)' }}>
              Card Not Found
            </h2>
            <p className="mb-6" style={{ color: 'var(--text-secondary)' }}>
              The card you're looking for doesn't exist.
            </p>
            <button
              onClick={() => router.push('/cards')}
              className="px-6 py-3 rounded-xl font-medium gradient-bg-purple text-white hover:shadow-lg transition-all duration-200"
            >
              Back to Cards
            </button>
          </div>
        </div>
      </Layout>
    );
  }

  return (
    <Layout user={user}>
      <div style={{ backgroundColor: 'var(--bg-primary)', minHeight: '100vh' }}>
        {/* Hero Section with Card Image and Basic Info */}
      <div 
        className="relative min-h-96 flex items-center justify-center overflow-hidden"
        style={{
          background: 'linear-gradient(135deg, var(--bg-secondary), var(--bg-primary))'
        }}
      >
        {/* Animated Particles Background */}
        {getParticleCount(card.rarity) > 0 && (
          <div className="absolute inset-0 overflow-hidden pointer-events-none">
            {Array.from({ length: getParticleCount(card.rarity) }).map((_, i) => (
              <div
                key={i}
                className="absolute animate-float"
                style={{
                  left: `${Math.random() * 100}%`,
                  top: `${Math.random() * 100}%`,
                  animationDelay: `${Math.random() * 3}s`,
                  animationDuration: `${3 + Math.random() * 2}s`
                }}
              >
                <div
                  className="w-1 h-1 rounded-full opacity-60"
                  style={{
                    backgroundColor: getParticleColor(card.rarity),
                    boxShadow: `0 0 6px ${getParticleColor(card.rarity)}`
                  }}
                />
              </div>
            ))}
          </div>
        )}

        {/* Background Pattern */}
        <div className="absolute inset-0 opacity-5">
          <div className="absolute inset-0" style={{
            backgroundImage: `url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23000000' fill-opacity='0.1'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")`
          }}></div>
        </div>

        <div className="relative z-10 container mx-auto px-6 py-12">
          <div className="grid grid-cols-1 lg:grid-cols-2 gap-12 items-center">
            {/* Card Image */}
            <div className="flex justify-center">
              <div className="relative group">
                {/* Rarity Glow Effect */}
                <div 
                  className="absolute inset-0 rounded-2xl blur-xl opacity-60 animate-pulse"
                  style={{
                    background: `linear-gradient(135deg, ${getRarityGradient(card.rarity)})`,
                    transform: 'scale(1.1)'
                  }}
                />
                <div 
                  className="relative w-80 h-112 rounded-2xl overflow-hidden shadow-2xl transform transition-all duration-300 hover:scale-105"
                  style={{
                    background: `linear-gradient(135deg, ${getRarityColor(card.rarity)}15, ${getRarityColor(card.rarity)}08)`,
                    boxShadow: `0 20px 40px rgba(0, 0, 0, 0.3), 0 0 30px ${getRarityColor(card.rarity)}40`
                  }}
                >
                  {card.image_url ? (
                    <img 
                      src={card.image_url} 
                      alt={card.name}
                      className="w-full h-full object-cover"
                    />
                  ) : (
                    <div className="w-full h-full flex items-center justify-center text-white">
                      <div className="text-center p-8">
                        <div className="text-6xl mb-4">{getTCGIcon(card.game)}</div>
                        <h1 className="text-2xl font-bold mb-2">{card.name}</h1>
                        <p className="text-sm opacity-90">{card.set_name}</p>
                        <div className="mt-4">
                          <span className="px-3 py-1 rounded-full text-xs font-medium bg-white bg-opacity-20 backdrop-blur-sm">
                            {getRarityLabel(card.rarity)}
                          </span>
                        </div>
                      </div>
                    </div>
                  )}
                </div>
              </div>
            </div>

            {/* Card Info */}
            <div style={{ color: 'var(--text-primary)' }}>
              <div className="mb-6">
                <h1 className="text-4xl font-bold mb-2">{card.name}</h1>
                <p className="text-xl opacity-90 mb-4">{card.oracle_text || card.card_type}</p>
                
                {/* Ownership Status and Actions */}
                <div className="mb-4 p-4 rounded-xl bg-white bg-opacity-10 backdrop-blur-sm">
                  <div className="flex items-center justify-between mb-3">
                    <span className="font-semibold">Ownership Status</span>
                    <div className="flex items-center gap-2">
                      {ownedQuantity > 0 && (
                        <span className="px-3 py-1 rounded-full text-sm font-medium bg-green-500 bg-opacity-80">
                          Owned ({ownedQuantity})
                        </span>
                      )}
                      <button
                        onClick={handleToggleFavorite}
                        className={`p-2 rounded-full transition-all duration-200 ${
                          isFavorited 
                            ? 'bg-red-500 bg-opacity-80 text-white' 
                            : 'bg-white bg-opacity-20 backdrop-blur-sm hover:bg-opacity-30'
                        }`}
                      >
                        {isFavorited ? '❤️' : '🤍'}
                      </button>
                    </div>
                  </div>
                  <div className="flex items-center gap-4 flex-wrap">
                    <button
                      onClick={() => setShowQuantityModal(true)}
                      className="px-4 py-2 rounded-xl font-medium bg-white bg-opacity-20 backdrop-blur-sm hover:bg-opacity-30 transition-all duration-200 flex items-center gap-2"
                    >
                      <span>📦</span>
                      {ownedQuantity > 0 ? 'Update Quantity' : 'Mark as Owned'}
                    </button>
                    <button
                      onClick={() => setShowCollectionModal(true)}
                      className="px-4 py-2 rounded-xl font-medium bg-white bg-opacity-20 backdrop-blur-sm hover:bg-opacity-30 transition-all duration-200 flex items-center gap-2"
                    >
                      <span>📁</span>
                      Add to Collection
                    </button>
                    <button
                      onClick={() => setShowDeckModal(true)}
                      className="px-4 py-2 rounded-xl font-medium bg-white bg-opacity-20 backdrop-blur-sm hover:bg-opacity-30 transition-all duration-200 flex items-center gap-2"
                    >
                      <span>🎴</span>
                      Add to Deck
                    </button>
                  </div>
                </div>

                <div className="flex items-center gap-4 mb-6">
                  <span className="text-3xl">{getTCGIcon(card.game)}</span>
                  <span className="text-lg">{card.game}</span>
                  <span className="px-3 py-1 rounded-full text-sm font-medium bg-white bg-opacity-20 backdrop-blur-sm">
                    {getRarityLabel(card.rarity)}
                  </span>
                </div>
                <div className="text-3xl font-bold gradient-text-gold">
                  {formatCurrency(card.current_price || 0)}
                </div>

                {/* Admin Edit Button */}
                {isAdmin && !adminLoading && (
                  <div className="mt-4">
                    <button
                      onClick={() => router.push(`/admin/card-editor?id=${card.id}`)}
                      className="px-4 py-2 rounded-xl font-medium bg-orange-500 hover:bg-orange-600 text-white transition-all duration-200 flex items-center gap-2 shadow-lg hover:shadow-xl"
                    >
                      <span>✏️</span>
                      Edit Card (Admin)
                    </button>
                  </div>
                )}
              </div>

              {/* Current Collections and Decks */}
              {(cardCollections.length > 0 || cardDecks.length > 0) && (
                <div className="mb-6 p-4 rounded-xl bg-white bg-opacity-10 backdrop-blur-sm">
                  <h4 className="font-semibold mb-3">Currently In:</h4>
                  <div className="space-y-2">
                    {cardCollections.map(collection => (
                      <div key={collection.id} className="flex items-center gap-2 text-sm">
                        <span>📁</span>
                        <span>{collection.name}</span>
                      </div>
                    ))}
                    {cardDecks.map(deck => (
                      <div key={deck.id} className="flex items-center gap-2 text-sm">
                        <span>🎴</span>
                        <span>{deck.name}</span>
                      </div>
                    ))}
                  </div>
                </div>
              )}
            </div>
          </div>
        </div>
      </div>

      {/* Content Tabs */}
      <div 
        className="container mx-auto px-6 py-8"
        style={{ backgroundColor: 'var(--bg-primary)', color: 'var(--text-primary)' }}
      >
        <div className="flex border-b" style={{ borderColor: 'var(--border)' }}>
          {['details', 'price-history', 'purchase'].map((tab) => (
            <button
              key={tab}
              onClick={() => setActiveTab(tab)}
              className={`px-6 py-3 font-medium transition-all duration-200 ${
                activeTab === tab
                  ? 'border-b-2 font-semibold'
                  : 'hover:opacity-70'
              }`}
              style={{
                color: activeTab === tab ? 'var(--text-accent)' : 'var(--text-secondary)',
                borderColor: activeTab === tab ? 'var(--text-accent)' : 'transparent'
              }}
            >
              {tab === 'details' && 'Card Details'}
              {tab === 'price-history' && 'Price History'}
              {tab === 'purchase' && 'Purchase Options'}
            </button>
          ))}
        </div>

        {/* Tab Content */}
        <div className="mt-8">
          {activeTab === 'details' && (
            <div className="grid grid-cols-1 lg:grid-cols-2 gap-8">
              {/* Card Metadata */}
              <div className="space-y-6">
                <h3 className="text-xl font-semibold mb-4" style={{ color: 'var(--text-primary)' }}>
                  Card Information
                </h3>
                <div className="space-y-4">
                  <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
                    <span style={{ color: 'var(--text-secondary)' }}>TCG</span>
                    <span style={{ color: 'var(--text-primary)' }}>{card.game}</span>
                  </div>
                  <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
                    <span style={{ color: 'var(--text-secondary)' }}>Set</span>
                    <span style={{ color: 'var(--text-primary)' }}>{card.set_name}</span>
                  </div>
                  <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
                    <span style={{ color: 'var(--text-secondary)' }}>Card Number</span>
                    <span style={{ color: 'var(--text-primary)' }}>{card.card_number}</span>
                  </div>
                  <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
                    <span style={{ color: 'var(--text-secondary)' }}>Type</span>
                    <span style={{ color: 'var(--text-primary)' }}>{card.card_type}</span>
                  </div>
                  <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
                    <span style={{ color: 'var(--text-secondary)' }}>Rarity</span>
                    <span style={{ color: 'var(--text-primary)' }}>{getRarityLabel(card.rarity)}</span>
                  </div>
                  {card.mana_cost && (
                    <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
                      <span style={{ color: 'var(--text-secondary)' }}>Cost to Play</span>
                      <ManaCost cost={card.mana_cost} size="md" useSVG={manaSymbolSettings.useSVG} />
                    </div>
                  )}
                  {card.power && (
                    <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
                      <span style={{ color: 'var(--text-secondary)' }}>Power</span>
                      <span style={{ color: 'var(--text-primary)' }}>{card.power}</span>
                    </div>
                  )}
                  {card.toughness && (
                    <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
                      <span style={{ color: 'var(--text-secondary)' }}>Toughness</span>
                      <span style={{ color: 'var(--text-primary)' }}>{card.toughness}</span>
                    </div>
                  )}
                  {card.current_price && (
                    <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
                      <span style={{ color: 'var(--text-secondary)' }}>Current Price</span>
                      <span style={{ color: 'var(--text-primary)' }}>{formatCurrency(card.current_price)}</span>
                    </div>
                  )}
                </div>
              </div>

              {/* Card Text */}
              <div className="space-y-6">
                <h3 className="text-xl font-semibold mb-4" style={{ color: 'var(--text-primary)' }}>
                  Card Text
                </h3>
                <div className="space-y-4">
                  {card.oracle_text && (
                    <div className="p-4 rounded-xl" style={{ backgroundColor: 'var(--bg-secondary)' }}>
                      <p style={{ color: 'var(--text-primary)' }}>{card.oracle_text}</p>
                    </div>
                  )}
                </div>
              </div>
            </div>
          )}

          {activeTab === 'price-history' && (
            <div className="space-y-6">
              <h3 className="text-xl font-semibold mb-4" style={{ color: 'var(--text-primary)' }}>
                Price History
              </h3>
              
              {/* Price Graph Placeholder */}
              <div className="p-6 rounded-xl" style={{ backgroundColor: 'var(--bg-secondary)' }}>
                <h4 className="text-lg font-semibold mb-6" style={{ color: 'var(--text-primary)' }}>
                  Price Trend
                </h4>
                <div className="h-64 flex items-center justify-center">
                  <p style={{ color: 'var(--text-secondary)' }}>
                    Price history data will be available soon
                  </p>
                </div>
              </div>

              {/* Price Statistics Cards */}
              <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4">
                {/* Current Price */}
                <div className="p-6 rounded-xl border transition-all duration-200 hover:shadow-lg hover:scale-105"
                  style={{
                    backgroundColor: 'var(--bg-secondary)',
                    borderColor: 'var(--border)'
                  }}>
                  <div className="text-center">
                    <div className="text-2xl mb-2">💰</div>
                    <h5 className="font-semibold mb-2" style={{ color: 'var(--text-primary)' }}>
                      Current Price
                    </h5>
                    <div className="text-xl font-bold gradient-text-gold">
                      {formatCurrency(card.current_price || 0)}
                    </div>
                  </div>
                </div>
              </div>
            </div>
          )}

          {activeTab === 'purchase' && (
            <div className="space-y-6">
              <h3 className="text-xl font-semibold mb-4" style={{ color: 'var(--text-primary)' }}>
                Where to Buy
              </h3>
              <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
                <a
                  href={`https://www.tcgplayer.com/search/${card.game.toLowerCase()}/product?productName=${encodeURIComponent(card.name)}`}
                  target="_blank"
                  rel="noopener noreferrer"
                  className="p-6 rounded-xl border transition-all duration-200 hover:shadow-lg hover:scale-105"
                  style={{
                    backgroundColor: 'var(--bg-secondary)',
                    borderColor: 'var(--border)'
                  }}
                >
                  <div className="flex items-center gap-3">
                    <span className="text-2xl">🃏</span>
                    <div>
                      <h4 className="font-semibold" style={{ color: 'var(--text-primary)' }}>
                        TCGPlayer
                      </h4>
                      <p className="text-sm" style={{ color: 'var(--text-secondary)' }}>
                        View on TCGPlayer
                      </p>
                    </div>
                  </div>
                </a>
                <a
                  href={`https://www.ebay.com/sch/i.html?_nkw=${encodeURIComponent(card.name + ' ' + card.game)}`}
                  target="_blank"
                  rel="noopener noreferrer"
                  className="p-6 rounded-xl border transition-all duration-200 hover:shadow-lg hover:scale-105"
                  style={{
                    backgroundColor: 'var(--bg-secondary)',
                    borderColor: 'var(--border)'
                  }}
                >
                  <div className="flex items-center gap-3">
                    <span className="text-2xl">🛒</span>
                    <div>
                      <h4 className="font-semibold" style={{ color: 'var(--text-primary)' }}>
                        eBay
                      </h4>
                      <p className="text-sm" style={{ color: 'var(--text-secondary)' }}>
                        View on eBay
                      </p>
                    </div>
                  </div>
                </a>
              </div>
            </div>
          )}
        </div>
      </div>

      {/* Quantity Modal */}
      {showQuantityModal && (
        <div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50">
          <div className="bg-white rounded-2xl p-6 max-w-md w-full mx-4" style={{ backgroundColor: 'var(--bg-primary)' }}>
            <h3 className="text-xl font-bold mb-4" style={{ color: 'var(--text-primary)' }}>
              {ownedQuantity > 0 ? 'Update Quantity' : 'Mark as Owned'}
            </h3>
            <div className="mb-6">
              <label className="block text-sm font-medium mb-2" style={{ color: 'var(--text-primary)' }}>
                Quantity
              </label>
              <div className="flex items-center gap-4">
                <button
                  onClick={() => setQuantity(Math.max(1, quantity - 1))}
                  className="w-10 h-10 rounded-lg flex items-center justify-center border transition-all duration-200 hover:shadow-md"
                  style={{
                    backgroundColor: 'var(--bg-secondary)',
                    borderColor: 'var(--border)',
                    color: 'var(--text-primary)'
                  }}
                >
                  -
                </button>
                <span className="text-2xl font-bold px-4" style={{ color: 'var(--text-primary)' }}>
                  {quantity}
                </span>
                <button
                  onClick={() => setQuantity(quantity + 1)}
                  className="w-10 h-10 rounded-lg flex items-center justify-center border transition-all duration-200 hover:shadow-md"
                  style={{
                    backgroundColor: 'var(--bg-secondary)',
                    borderColor: 'var(--border)',
                    color: 'var(--text-primary)'
                  }}
                >
                  +
                </button>
              </div>
            </div>
            <div className="flex gap-3">
              <button
                onClick={() => handleOwnershipUpdate(quantity)}
                className="flex-1 px-4 py-2 rounded-xl font-medium gradient-bg-purple text-white hover:shadow-lg transition-all duration-200"
              >
                {ownedQuantity > 0 ? 'Update' : 'Mark as Owned'}
              </button>
              <button
                onClick={() => setShowQuantityModal(false)}
                className="flex-1 px-4 py-2 rounded-xl font-medium border transition-all duration-200"
                style={{
                  borderColor: 'var(--border)',
                  color: 'var(--text-secondary)'
                }}
              >
                Cancel
              </button>
            </div>
          </div>
        </div>
      )}

      {/* Collection Selection Modal */}
      <CollectionSelectionModal
        isOpen={showCollectionModal}
        onClose={() => setShowCollectionModal(false)}
        cards={card ? [card] : []}
        onAddToCollections={(results, selectedCollectionIds, cards) => {
          const successCount = results.filter(r => r.success).length;
          if (successCount > 0) {
            // Refresh card collections
            const fetchCardCollections = async () => {
              try {
                const token = localStorage.getItem('auth_token');
                const response = await fetch(`/api/cards/${id}/collections`, {
                  headers: { 'Authorization': `Bearer ${token}` }
                });
                if (response.ok) {
                  const data = await response.json();
                  setCardCollections(data);
                }
              } catch (error) {
                console.error('Error refreshing card collections:', error);
              }
            };
            fetchCardCollections();
          }
        }}
      />

      {/* Deck Modal */}
      {showDeckModal && (
        <div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50">
          <div className="bg-white rounded-2xl p-6 max-w-md w-full mx-4" style={{ backgroundColor: 'var(--bg-primary)' }}>
            <h3 className="text-xl font-bold mb-4" style={{ color: 'var(--text-primary)' }}>
              Add to Deck
            </h3>
            <div className="mb-6">
              <label className="block text-sm font-medium mb-2" style={{ color: 'var(--text-primary)' }}>
                Select Deck
              </label>
              <select
                value={selectedDeck}
                onChange={(e) => setSelectedDeck(e.target.value)}
                className="w-full p-3 rounded-xl border transition-all duration-200"
                style={{
                  backgroundColor: 'var(--bg-secondary)',
                  borderColor: 'var(--border)',
                  color: 'var(--text-primary)'
                }}
              >
                <option value="">Choose a deck...</option>
                {decks
                  .filter(deck => deck.game === card.game)
                  .map(deck => (
                    <option key={deck.id} value={deck.id}>
                      {deck.name}
                    </option>
                  ))}
              </select>
            </div>
            <div className="flex gap-3">
              <button
                onClick={handleAddToDeck}
                disabled={!selectedDeck}
                className={`flex-1 px-4 py-2 rounded-xl font-medium transition-all duration-200 ${
                  selectedDeck 
                    ? 'gradient-bg-purple text-white hover:shadow-lg' 
                    : 'opacity-50 cursor-not-allowed'
                }`}
              >
                Add to Deck
              </button>
              <button
                onClick={() => {
                  setShowDeckModal(false);
                  setSelectedDeck('');
                }}
                className="flex-1 px-4 py-2 rounded-xl font-medium border transition-all duration-200"
                style={{
                  borderColor: 'var(--border)',
                  color: 'var(--text-secondary)'
                }}
              >
                Cancel
              </button>
            </div>
          </div>
        </div>
      )}
      </div>
    </Layout>
  );
}