"use client"

import Image from "next/image"
import { useState } from "react"
import { Heart, ShoppingCart, Minus, Plus } from 'lucide-react'
import { Button } from "./ui/button"
import { useCart } from "@/contexts/cart-context"
import { useFavorites } from "@/contexts/favorites-context"
import { Product } from "@/types/product"

interface ProductDetailProps {
  product: Product
}

export function ProductDetail({ product }: ProductDetailProps) {
  const [quantity, setQuantity] = useState(1)
  const { addToCart } = useCart()
  const { addToFavorites, removeFromFavorites, isFavorite } = useFavorites()

  const handleAddToCart = () => {
    addToCart({
      id: product.id,
      title: product.title,
      price: product.price,
      quantity: quantity
    })
  }

  const handleToggleFavorite = () => {
    if (isFavorite(product.id)) {
      removeFromFavorites(product.id)
    } else {
      addToFavorites({
        id: product.id,
        title: product.title,
        price: product.price,
      })
    }
  }

  return (
    <div className="flex flex-col md:flex-row gap-8">
      <div className="md:w-1/2">
        <Image
          src={product.image}
          alt={product.title}
          width={500}
          height={500}
          className="w-full h-auto object-cover rounded-lg"
        />
      </div>
      <div className="md:w-1/2 space-y-4">
        <h1 className="text-3xl font-bold">{product.title}</h1>
        {product.title.startsWith('[Draft]') && (
          <div className="bg-yellow-200 text-yellow-800 px-2 py-1 rounded inline-block">
            Draft Version
          </div>
        )}
        <div className="flex items-baseline gap-2">
          <span className="text-2xl font-bold">{product.price} ₽</span>
        </div>
        <div className="flex items-center gap-4">
          <div className="flex items-center gap-2">
            <Button 
              variant="outline" 
              size="icon"
              onClick={() => setQuantity(prev => Math.max(1, prev - 1))}
            >
              <Minus className="h-4 w-4" />
            </Button>
            <span className="w-8 text-center">{quantity}</span>
            <Button 
              variant="outline" 
              size="icon"
              onClick={() => setQuantity(prev => prev + 1)}
            >
              <Plus className="h-4 w-4" />
            </Button>
          </div>
          <Button onClick={handleAddToCart} className="flex-1">
            <ShoppingCart className="mr-2 h-4 w-4" /> Добавить в корзину
          </Button>
          <Button variant="outline" size="icon" onClick={handleToggleFavorite}>
            <Heart className={`h-5 w-5 ${isFavorite(product.id) ? 'fill-red-500 text-red-500' : ''}`} />
          </Button>
        </div>
        <div className="border-t pt-4">
          <h2 className="text-xl font-semibold mb-2">Описание</h2>
          <p className="text-gray-600">
            Подробное описание товара. Здесь может быть длинный текст с характеристиками и особенностями продукта.
          </p>
        </div>
      </div>
    </div>
  )
}