"use client";

import { Suspense, use, useCallback } from "react";
import { useRouter } from "next/navigation";
import ReactLenis from "lenis/react";
import { ThemeProvider } from "@/providers/themeProvider/ThemeProvider";
import NavbarStyleFullscreen from '@/components/navbar/NavbarStyleFullscreen/NavbarStyleFullscreen';
import FooterLogoEmphasis from '@/components/sections/footer/FooterLogoEmphasis';
import ProductDetailCard from "@/components/ecommerce/productDetail/ProductDetailCard";
import ProductCart from "@/components/ecommerce/cart/ProductCart";
import { useProductDetail } from "@/hooks/useProductDetail";
import { useCart } from "@/hooks/useCart";
import { useCheckout } from "@/hooks/useCheckout";

interface ProductPageProps {
    params: Promise<{ id: string }>;
}

export default function ProductPage({ params }: ProductPageProps) {
    return (
        <Suspense fallback={null}>
            <ProductPageContent params={params} />
        </Suspense>
    );
}

function ProductPageContent({ params }: ProductPageProps) {
    const { id } = use(params);
    const router = useRouter();

    const {
        product,
        isLoading,
        images,
        meta,
        variants,
        quantityVariant,
        selectedQuantity,
        createCartItem,
    } = useProductDetail(id);

    const {
        items: cartItems,
        isOpen: cartOpen,
        setIsOpen: setCartOpen,
        addItem,
        updateQuantity,
        removeItem,
        total: cartTotal,
        getCheckoutItems,
    } = useCart();

    const { buyNow, checkout, isLoading: isCheckoutLoading } = useCheckout();

    const handleAddToCart = useCallback(() => {
        const item = createCartItem();
        if (item) {
            addItem(item);
        }
    }, [createCartItem, addItem]);

    const handleBuyNow = useCallback(() => {
        if (product) {
            buyNow(product, selectedQuantity);
        }
    }, [product, selectedQuantity, buyNow]);

    const handleCheckout = useCallback(async () => {
        if (cartItems.length === 0) return;

        const currentUrl = new URL(window.location.href);
        currentUrl.searchParams.set("success", "true");

        await checkout(getCheckoutItems(), { successUrl: currentUrl.toString() });
    }, [cartItems, checkout, getCheckoutItems]);

    return (
        <ThemeProvider
            defaultButtonVariant="expand-hover"
            defaultTextAnimation="background-highlight"
            borderRadius="soft"
            contentWidth="medium"
            sizing="largeSizeMediumTitles"
            background="circleGradient"
            cardStyle="gradient-bordered"
            primaryButtonStyle="primary-glow"
            secondaryButtonStyle="radial-glow"
            headingFontWeight="normal"
        >
            <ReactLenis root>
                <div id="navbar" data-section="navbar" className="relative w-full">
                    <NavbarStyleFullscreen
                        navItems={[{ name: "Home", id: "/" }, { name: "Blog", id: "/blog" }, { name: "Shop", id: "/shop" }]}
                        brandName="Johns Plumbing"
                    />
                    <button 
                        onClick={() => setCartOpen(true)} 
                        className="absolute top-0 right-0 m-4 z-[60] px-4 py-2 bg-primary-cta text-primary-cta-text rounded-md hover:opacity-90 transition-opacity"
                    >
                        Cart
                    </button>
                </div>

                {isLoading ? (
                    <div id="loading-state" data-section="loading-state">
                        <main className="min-h-screen flex items-center justify-center pt-20">
                            <p className="text-foreground">Loading product...</p>
                        </main>
                    </div>
                ) : !product ? (
                    <div id="not-found-state" data-section="not-found-state">
                        <main className="min-h-screen flex items-center justify-center pt-20">
                            <div className="text-center">
                                <p className="text-foreground mb-4">Product not found</p>
                                <button
                                    onClick={() => router.push("/shop")}
                                    className="primary-button px-6 py-2 rounded-theme text-primary-cta-text"
                                >
                                    Back to Shop
                                </button>
                            </div>
                        </main>
                    </div>
                ) : (
                    <>
                        <div id="product-detail-card" data-section="product-detail-card">
                            <ProductDetailCard
                                layout="page"
                                name={product.name}
                                price={product.price}
                                salePrice={meta.salePrice}
                                rating={product.rating || 0}
                                description={product.description}
                                images={images}
                                variants={variants.length > 0 ? variants : undefined}
                                quantity={quantityVariant}
                                ribbon={meta.ribbon}
                                inventoryStatus={meta.inventoryStatus}
                                inventoryQuantity={meta.inventoryQuantity}
                                sku={meta.sku}
                                buttons={[
                                    { text: "Add To Cart", onClick: handleAddToCart },
                                    { text: "Buy Now", onClick: handleBuyNow },
                                ]}
                            />
                        </div>
                        <div id="product-cart" data-section="product-cart">
                            <ProductCart
                                isOpen={cartOpen}
                                onClose={() => setCartOpen(false)}
                                items={cartItems}
                                onQuantityChange={updateQuantity}
                                onRemove={removeItem}
                                total={`$${cartTotal}`}
                                buttons={[
                                    {
                                        text: isCheckoutLoading ? "Processing..." : "Check Out",                                        onClick: handleCheckout,
                                    },
                                ]}
                            />
                        </div>
                    </>
                )}
                
                <div id="footer" data-section="footer">
                    <FooterLogoEmphasis
                        logoText="Johns Plumbing"
                        columns={[
                            { items: [{ label: "Services", href: "/#services" }, { label: "Why Johns", href: "/#why-us" }, { label: "Our Promise", href: "/#promise" }] },
                            { items: [{ label: "FAQ", href: "/#faq" }, { label: "Book Service", href: "/#contact" }, { label: "Call Now", href: "tel:(Your Phone Number)" }] },
                            { items: [{ label: "Email Us", href: "mailto:(Your Email)" }, { label: "Licensed & Insured", href: "#" }] }
                        ]}
                        ariaLabel="Site Footer - Johns Plumbing"
                        className="mt-auto"
                    />
                </div>
            </ReactLenis>
        </ThemeProvider>
    );
}
