"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 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";
import NavbarLayoutFloatingOverlay from '@/components/navbar/NavbarLayoutFloatingOverlay/NavbarLayoutFloatingOverlay';
import FooterLogoEmphasis from '@/components/sections/footer/FooterLogoEmphasis';

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="text-stagger"
            defaultTextAnimation="entrance-slide"
            borderRadius="pill"
            contentWidth="small"
            sizing="mediumLargeSizeLargeTitles"
            background="circleGradient"
            cardStyle="gradient-bordered"
            primaryButtonStyle="gradient"
            secondaryButtonStyle="radial-glow"
            headingFontWeight="medium"
        >
            <ReactLenis root>
                <div id="nav" data-section="nav">
                    <NavbarLayoutFloatingOverlay
                        navItems={[{ name: "Home", id: "/" }, { name: "Shop", id: "/shop" }]}
                        brandName="Josiah & Sons"
                        button={{ text: "Cart", onClick: () => setCartOpen(true) }}
                        className="py-4 px-6 md:px-8"
                        buttonClassName="font-medium"
                        buttonTextClassName="text-lg"
                    />
                </div>

                <main>
                    {isLoading ? (
                        <div className="min-h-screen flex items-center justify-center pt-20">
                            <p className="text-foreground">Loading product...</p>
                        </div>
                    ) : !product ? (
                        <div 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>
                        </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>
                    )}
                </main>

                <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
                        columns={[
                            { items: [{ label: "Home", href: "/#hero" }, { label: "Services", href: "/#services" }, { label: "About Us", href: "/#about" }] },
                            { items: [{ label: "Testimonials", href: "/#testimonials" }, { label: "Contact", href: "/#contact" }, { label: "Privacy Policy", href: "/privacy" }, { label: "Terms of Service", href: "/terms" }] }
                        ]}
                        logoText="Josiah & Sons Plumbers"
                        ariaLabel="Site footer with navigation and company information."
                        className="bg-background-accent text-foreground py-12 md:py-16"
                        containerClassName="max-w-screen-xl mx-auto px-4 sm:px-6 lg:px-8"
                        logoClassName="text-4xl font-extrabold mb-8 text-foreground"
                        itemClassName="text-foreground hover:text-primary-cta transition-colors duration-200"
                        iconClassName="text-primary-cta h-5 w-5"
                    />
                </div>
            </ReactLenis>
        </ThemeProvider>
    );
}
