"use client";

import { useState } from "react";
import Image from "next/image";
import { motion } from "framer-motion";
import { WooProduct, formatPrice, getProductImage } from "@/lib/woocommerce";
import { useCartStore } from "@/stores/cartStore";
import ProductCard from "@/components/product/ProductCard";

interface ProductDetailProps {
  product: WooProduct;
  relatedProducts: WooProduct[];
}

export default function ProductDetail({ product, relatedProducts }: ProductDetailProps) {
  const [selectedImage, setSelectedImage] = useState(0);
  const [quantity, setQuantity] = useState(1);
  const [activeTab, setActiveTab] = useState<"details" | "ingredients" | "usage">("details");
  const addItem = useCartStore((state) => state.addItem);

  const images = product.images?.length > 0 
    ? product.images 
    : [{ id: 0, src: "/placeholder-product.jpg", alt: product.name }];

  const handleAddToCart = () => {
    addItem({
      id: product.id,
      name: product.name,
      price: product.price || product.regular_price,
      quantity,
      image: images[0]?.src || "",
      sku: product.sku || "",
    });
  };

  const stripHtml = (html: string) => {
    return html.replace(/<[^>]*>/g, "");
  };

  return (
    <>
      <section className="py-12 md:py-20 px-4">
        <div className="max-w-7xl mx-auto">
          <div className="grid grid-cols-1 lg:grid-cols-2 gap-12">
            <motion.div
              initial={{ opacity: 0, x: -20 }}
              animate={{ opacity: 1, x: 0 }}
              transition={{ duration: 0.6 }}
            >
              <div className="relative aspect-square bg-background-ice mb-4">
                {images[selectedImage] && (
                  <Image
                    src={images[selectedImage].src}
                    alt={images[selectedImage].alt || product.name}
                    fill
                    className="object-cover"
                    priority
                  />
                )}
              </div>
              
              {images.length > 1 && (
                <div className="flex gap-2 overflow-x-auto">
                  {images.map((image, index) => (
                    <button
                      key={image.id}
                      onClick={() => setSelectedImage(index)}
                      className={`relative w-20 h-20 flex-shrink-0 ${
                        selectedImage === index ? "ring-2 ring-foreground" : ""
                      }`}
                    >
                      <Image
                        src={image.src}
                        alt={image.alt || product.name}
                        fill
                        className="object-cover"
                      />
                    </button>
                  ))}
                </div>
              )}
            </motion.div>

            <motion.div
              initial={{ opacity: 0, x: 20 }}
              animate={{ opacity: 1, x: 0 }}
              transition={{ duration: 0.6, delay: 0.2 }}
            >
              <h1 className="text-3xl md:text-4xl font-serif mb-4">
                {product.name}
              </h1>
              
              <p className="text-2xl text-foreground-muted mb-6">
                {product.price ? formatPrice(product.price) : "Contact for price"}
              </p>
              
              <div className="prose prose-sm max-w-none mb-8 text-foreground-muted">
                <p>{stripHtml(product.short_description || product.description.slice(0, 200))}</p>
              </div>

              {product.stock_status === "instock" ? (
                <div className="flex items-center gap-4 mb-8">
                  <div className="flex items-center border border-border">
                    <button
                      onClick={() => setQuantity(Math.max(1, quantity - 1))}
                      className="px-4 py-3"
                    >
                      -
                    </button>
                    <span className="px-4 py-3">{quantity}</span>
                    <button
                      onClick={() => setQuantity(quantity + 1)}
                      className="px-4 py-3"
                    >
                      +
                    </button>
                  </div>
                  
                  <button
                    onClick={handleAddToCart}
                    className="flex-1 py-3 bg-foreground text-white hover:bg-accent-dark transition-colors"
                  >
                    Add to Cart
                  </button>
                </div>
              ) : (
                <div className="py-3 bg-red-50 text-red-600 text-center mb-8">
                  Out of Stock
                </div>
              )}

              <div className="border-t border-border/30">
                <div className="flex border-b border-border/30">
                  {(["details", "ingredients", "usage"] as const).map((tab) => (
                    <button
                      key={tab}
                      onClick={() => setActiveTab(tab)}
                      className={`flex-1 py-4 font-medium capitalize ${
                        activeTab === tab
                          ? "border-b-2 border-foreground"
                          : "text-foreground-muted"
                      }`}
                    >
                      {tab}
                    </button>
                  ))}
                </div>
                
                <div className="py-6 text-foreground-muted">
                  {activeTab === "details" && (
                    <p>{stripHtml(product.description)}</p>
                  )}
                  {activeTab === "ingredients" && (
                    <p>Natural ingredients - Contact for detailed information.</p>
                  )}
                  {activeTab === "usage" && (
                    <p>Apply to clean skin or hair. Use daily for best results.</p>
                  )}
                </div>
              </div>
            </motion.div>
          </div>
        </div>
      </section>

      {relatedProducts.length > 0 && (
        <section className="py-12 px-4 bg-background-ice">
          <div className="max-w-7xl mx-auto">
            <h2 className="text-2xl font-serif text-center mb-8">
              You May Also Like
            </h2>
            <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-8">
              {relatedProducts.map((product, index) => (
                <ProductCard key={product.id} product={product} index={index} />
              ))}
            </div>
          </div>
        </section>
      )}
    </>
  );
}