import { notFound } from 'next/navigation';
import { MDXRemote } from 'next-mdx-remote/rsc';
import { getProductBySlug, getAllProducts } from '@/lib/mdx';
import ProductTechnicalData from '@/components/ProductTechnicalData';
import ProductTabs from '@/components/ProductTabs';
import RequestQuoteForm from '@/components/RequestQuoteForm';
import RelatedProducts from '@/components/RelatedProducts';
import Link from 'next/link';

interface ProductPageProps {
  params: {
    locale: string;
    slug: string[];
  };
}

const components = {
  ProductTechnicalData,
  ProductTabs,
  p: (props: any) => <div {...props} className="mb-4" />,
  table: (props: any) => (
    <div className="overflow-x-auto my-8">
      <table {...props} className="min-w-full divide-y divide-neutral-dark border border-neutral-dark" />
    </div>
  ),
};

export default async function ProductPage({ params }: ProductPageProps) {
  const { locale, slug } = params;
  const productSlug = slug[slug.length - 1];

  // Check if it's a category page
  const categories = ['low-voltage-cables', 'medium-voltage-cables', 'high-voltage-cables', 'solar-cables'];
  if (categories.includes(productSlug)) {
    const allProducts = await getAllProducts(locale);
    const categoryTitle = productSlug.split('-').map(word => word.charAt(0).toUpperCase() + word.slice(1)).join(' ');
    
    // Filter products for this category
    // Note: MDX categories are like "Low Voltage Cables"
    const filteredProducts = allProducts.filter(p => 
      p.frontmatter.categories.some(cat => cat.toLowerCase().replace(/\s+/g, '-') === productSlug)
    );

    return (
      <div className="container mx-auto px-4 py-12">
        <h1 className="text-4xl font-bold text-primary mb-8">{categoryTitle}</h1>
        <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-8">
          {filteredProducts.map((product) => (
            <Link 
              key={product.slug} 
              href={`/${locale}/products/${productSlug}/${product.slug}`}
              className="group block bg-white rounded-lg overflow-hidden shadow-sm hover:shadow-md transition-all border border-neutral-dark"
            >
              <div className="aspect-[4/3] relative bg-neutral-light">
                {product.frontmatter.images?.[0] && (
                  <img
                    src={product.frontmatter.images[0]}
                    alt={product.frontmatter.title}
                    className="w-full h-full object-contain p-4 group-hover:scale-105 transition-transform duration-300"
                  />
                )}
              </div>
              <div className="p-6">
                <h2 className="text-xl font-bold text-text-primary group-hover:text-primary transition-colors">
                  {product.frontmatter.title}
                </h2>
                <p className="text-text-secondary mt-2 line-clamp-2 text-sm">
                  {product.frontmatter.description}
                </p>
              </div>
            </Link>
          ))}
        </div>
      </div>
    );
  }

  const product = await getProductBySlug(productSlug, locale);

  if (!product) {
    notFound();
  }

  return (
    <div className="container mx-auto px-4 py-8">
      <div className="mb-8">
        <h1 className="text-4xl font-bold text-primary mb-4">{product.frontmatter.title}</h1>
        <div className="flex flex-wrap gap-2 mb-4">
          {product.frontmatter.categories.map((cat, idx) => (
            <span key={idx} className="bg-neutral-dark text-text-secondary px-2 py-1 rounded text-sm">
              {cat}
            </span>
          ))}
        </div>
      </div>

      <div className="grid grid-cols-1 lg:grid-cols-3 gap-8">
        <div className="lg:col-span-2">
          {/* Main Content Area */}
          <div className="bg-white p-6 rounded-lg shadow-sm border border-neutral-dark">
             <MDXRemote source={product.content} components={components} />
          </div>
          
          {/* Related Products */}
          <RelatedProducts 
            currentSlug={productSlug} 
            categories={product.frontmatter.categories} 
            locale={locale} 
          />
        </div>
        
        <div className="lg:col-span-1">
          <div className="sticky top-4 space-y-6">
            {/* Image Gallery */}
            {product.frontmatter.images && product.frontmatter.images.length > 0 && (
              <div className="bg-white p-4 rounded-lg shadow-sm border border-neutral-dark">
                <div className="relative aspect-square mb-4 bg-neutral-light rounded overflow-hidden">
                  <img 
                    src={product.frontmatter.images[0]} 
                    alt={product.frontmatter.title}
                    className="w-full h-full object-contain"
                  />
                </div>
                {product.frontmatter.images.length > 1 && (
                  <div className="grid grid-cols-4 gap-2">
                    {product.frontmatter.images.slice(1, 5).map((img, idx) => (
                      <div key={idx} className="relative aspect-square border border-neutral-dark rounded overflow-hidden bg-neutral-light">
                        <img src={img} alt="" className="w-full h-full object-cover" />
                      </div>
                    ))}
                  </div>
                )}
              </div>
            )}
            
            {/* Request Quote Form */}
            <RequestQuoteForm productName={product.frontmatter.title} />
          </div>
        </div>
      </div>
    </div>
  );
}