'use client';

import { useState } from 'react';
import { useAuth } from '../context/AuthContext';
import Header from '../components/Header';
import PaymentModal from '../components/PaymentModal';

// Mock data for boxes - replace with actual data from your backend
const MOCK_BOXES = [
  {
    id: '1',
    tier: 'Small',
    price: 100,
    color: 'from-blue-500 to-blue-600',
    image: '/box-small.png',
    description: 'Perfect for beginners. Contains common to rare items.',
  },
  {
    id: '2',
    tier: 'Medium',
    price: 1000,
    color: 'from-purple-500 to-purple-600',
    image: '/box-medium.png',
    description: 'For serious collectors. Contains rare to epic items.',
  },
  {
    id: '3',
    tier: 'Big',
    price: 10000,
    color: 'from-pink-500 to-pink-600',
    image: '/box-big.png',
    description: 'Premium boxes with epic to legendary items.',
  },
];

type SortOption = 'price-asc' | 'price-desc';
type FilterTier = 'all' | 'small' | 'medium' | 'big';

export default function BoxesPage() {
  const { user } = useAuth();
  const [sortBy, setSortBy] = useState<SortOption>('price-asc');
  const [filterTier, setFilterTier] = useState<FilterTier>('all');
  const [selectedBox, setSelectedBox] = useState<typeof MOCK_BOXES[0] | null>(null);
  const [isPaymentModalOpen, setIsPaymentModalOpen] = useState(false);

  const filteredAndSortedBoxes = MOCK_BOXES
    .filter(box => filterTier === 'all' || box.tier.toLowerCase() === filterTier)
    .sort((a, b) => {
      switch (sortBy) {
        case 'price-asc':
          return a.price - b.price;
        case 'price-desc':
          return b.price - a.price;
        default:
          return 0;
      }
    });

  const handleOpenBox = (box: typeof MOCK_BOXES[0]) => {
    if (!user) {
      // Redirect to login or show login modal
      return;
    }
    setSelectedBox(box);
    setIsPaymentModalOpen(true);
  };

  const handleClosePaymentModal = () => {
    setIsPaymentModalOpen(false);
    setSelectedBox(null);
  };

  return (
    <>
      <Header />
      <div className="min-h-screen bg-gradient-to-b from-background to-background/95 pt-16">
        <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
          {/* Page Header */}
          <div className="mb-8">
            <h1 className="text-3xl font-bold mb-2">Mystery Boxes</h1>
            <p className="text-foreground/60">
              Choose your box and discover amazing prizes
            </p>
          </div>

          {/* Filters and Sort */}
          <div className="flex flex-col sm:flex-row gap-4 mb-8">
            {/* Tier Filter */}
            <div className="flex gap-2">
              <button
                onClick={() => setFilterTier('all')}
                className={`px-4 py-2 rounded-lg text-sm font-medium transition-colors ${
                  filterTier === 'all'
                    ? 'bg-purple-600 text-white'
                    : 'bg-foreground/5 hover:bg-foreground/10'
                }`}
              >
                All
              </button>
              <button
                onClick={() => setFilterTier('small')}
                className={`px-4 py-2 rounded-lg text-sm font-medium transition-colors ${
                  filterTier === 'small'
                    ? 'bg-blue-600 text-white'
                    : 'bg-foreground/5 hover:bg-foreground/10'
                }`}
              >
                Small
              </button>
              <button
                onClick={() => setFilterTier('medium')}
                className={`px-4 py-2 rounded-lg text-sm font-medium transition-colors ${
                  filterTier === 'medium'
                    ? 'bg-purple-600 text-white'
                    : 'bg-foreground/5 hover:bg-foreground/10'
                }`}
              >
                Medium
              </button>
              <button
                onClick={() => setFilterTier('big')}
                className={`px-4 py-2 rounded-lg text-sm font-medium transition-colors ${
                  filterTier === 'big'
                    ? 'bg-pink-600 text-white'
                    : 'bg-foreground/5 hover:bg-foreground/10'
                }`}
              >
                Big
              </button>
            </div>

            {/* Sort Dropdown */}
            <select
              value={sortBy}
              onChange={(e) => setSortBy(e.target.value as SortOption)}
              className="ml-auto px-4 py-2 rounded-lg bg-foreground/5 border border-foreground/10 text-sm focus:outline-none focus:ring-2 focus:ring-purple-500"
            >
              <option value="price-asc">Price: Low to High</option>
              <option value="price-desc">Price: High to Low</option>
            </select>
          </div>

          {/* Boxes Grid */}
          <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
            {filteredAndSortedBoxes.map((box) => (
              <div
                key={box.id}
                className="relative group rounded-2xl overflow-hidden bg-gradient-to-br p-[1px] hover:scale-[1.02] transition-transform"
              >
                <div className={`absolute inset-0 bg-gradient-to-br ${box.color} opacity-20`} />
                <div className="relative bg-background/95 p-6 rounded-2xl">
                  {/* Box Image */}
                  <div className="aspect-square mb-4 rounded-lg bg-foreground/5 flex items-center justify-center">
                    <div className="text-4xl">🎁</div>
                  </div>

                  {/* Box Info */}
                  <div className="space-y-4">
                    <div>
                      <h3 className="text-2xl font-bold mb-1">{box.tier} Box</h3>
                      <p className="text-foreground/60 text-sm">{box.description}</p>
                    </div>

                    {/* Price and Action */}
                    <div className="flex items-center justify-between pt-2">
                      <div className="flex items-center gap-2">
                        <span className="text-lg font-semibold">${box.price}</span>
                        <span className="text-foreground/60 text-sm">USD</span>
                      </div>
                      <button
                        onClick={() => handleOpenBox(box)}
                        className={`px-4 py-2 rounded-full text-sm font-medium transition-opacity ${
                          user
                            ? 'bg-gradient-to-r from-purple-600 to-pink-600 text-white hover:opacity-90'
                            : 'bg-foreground/10 text-foreground/60 cursor-not-allowed'
                        }`}
                        disabled={!user}
                      >
                        {user ? 'Open Box' : 'Sign in to Open'}
                      </button>
                    </div>
                  </div>
                </div>
              </div>
            ))}
          </div>

          {/* Empty State */}
          {filteredAndSortedBoxes.length === 0 && (
            <div className="text-center py-12">
              <div className="text-4xl mb-4">🔍</div>
              <h3 className="text-xl font-semibold mb-2">No boxes found</h3>
              <p className="text-foreground/60">
                Try adjusting your filters to see more boxes
              </p>
            </div>
          )}
        </div>
      </div>

      {/* Payment Modal */}
      <PaymentModal
        isOpen={isPaymentModalOpen}
        onClose={handleClosePaymentModal}
        box={selectedBox}
      />
    </>
  );
}