"use client";

import { use, useCallback } from "react";
import { useRouter } from "next/navigation";
import ReactLenis from "lenis/react";
import { ThemeProvider } from "@/providers/themeProvider/ThemeProvider";
import NavbarLayoutFloatingOverlay from '@/components/navbar/NavbarLayoutFloatingOverlay/NavbarLayoutFloatingOverlay';
import ProductDetailCard from "@/components/ecommerce/productDetail/ProductDetailCard";
import ProductCart from "@/components/ecommerce/cart/ProductCart";
import FooterBaseReveal from '@/components/sections/footer/FooterBaseReveal';
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) {
    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]);

    if (isLoading) {
        return (
            <ThemeProvider
                defaultButtonVariant="icon-arrow"
                defaultTextAnimation="entrance-slide"
                borderRadius="soft"
                contentWidth="medium"
                sizing="large"
                background="none"
                cardStyle="soft-shadow"
                primaryButtonStyle="flat"
                secondaryButtonStyle="glass"
                headingFontWeight="normal"
            >
                <ReactLenis root>
                    <div id="navbar" data-section="navbar">
                    <NavbarLayoutFloatingOverlay
                        brandName="McLaren Labs"
                        navItems={[
                            { name: "Home", id: "/" },
                            { name: "What We Do", id: "about" },
                            { name: "Work", id: "case-studies" },
                            { name: "Contact", id: "contact" },
                            { name: "Shop", id: "/shop" }
                        ]}
                        button={{ text: "Cart", onClick: () => setCartOpen(true) }}
                        className="fixed top-4 left-4 right-4 z-50"
                        buttonClassName="bg-[#2B4CED] hover:bg-[#1f3cbd] text-white"
                        logoHref="#"
                    />
                    </div>
                    <main className="min-h-screen flex items-center justify-center pt-20">
                        <p className="text-foreground">Loading product...</p>
                    </main>
                    <div id="footer" data-section="footer">
                    <FooterBaseReveal
                        columns={[
                            {
                                title: "Company",                                items: [
                                    { label: "About", href: "about" },
                                    { label: "Work", href: "case-studies" },
                                    { label: "Contact", href: "contact" }
                                ]
                            },
                            {
                                title: "Legal",                                items: [
                                    { label: "Privacy Policy", href: "https://example.com/privacy" },
                                    { label: "Terms of Service", href: "https://example.com/terms" }
                                ]
                            },
                            {
                                title: "Connect",                                items: [
                                    { label: "Twitter", href: "https://twitter.com" },
                                    { label: "LinkedIn", href: "https://linkedin.com" }
                                ]
                            }
                        ]}
                        copyrightText="© 2025 McLaren Labs. All rights reserved."
                        containerClassName="bg-[#1a1a1a] text-white"
                    />
                    </div>
                </ReactLenis>
            </ThemeProvider>
        );
    }

    if (!product) {
        return (
            <ThemeProvider
                defaultButtonVariant="icon-arrow"
                defaultTextAnimation="entrance-slide"
                borderRadius="soft"
                contentWidth="medium"
                sizing="large"
                background="none"
                cardStyle="soft-shadow"
                primaryButtonStyle="flat"
                secondaryButtonStyle="glass"
                headingFontWeight="normal"
            >
                <ReactLenis root>
                    <div id="navbar" data-section="navbar">
                        <NavbarLayoutFloatingOverlay
                            brandName="McLaren Labs"
                            navItems={[
                                { name: "Home", id: "/" },
                                { name: "What We Do", id: "about" },
                                { name: "Work", id: "case-studies" },
                                { name: "Contact", id: "contact" },
                                { name: "Shop", id: "/shop" }
                            ]}
                            button={{ text: "Cart", onClick: () => setCartOpen(true) }}
                            className="fixed top-4 left-4 right-4 z-50"
                            buttonClassName="bg-[#2B4CED] hover:bg-[#1f3cbd] text-white"
                            logoHref="#"
                        />
                    </div>
                    <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"
                            >
                                Back to Shop
                            </button>
                        </div>
                    </main>
                    <div id="footer" data-section="footer">
                    <FooterBaseReveal
                        columns={[
                            {
                                title: "Company",                                items: [
                                    { label: "About", href: "about" },
                                    { label: "Work", href: "case-studies" },
                                    { label: "Contact", href: "contact" }
                                ]
                            },
                            {
                                title: "Legal",                                items: [
                                    { label: "Privacy Policy", href: "https://example.com/privacy" },
                                    { label: "Terms of Service", href: "https://example.com/terms" }
                                ]
                            },
                            {
                                title: "Connect",                                items: [
                                    { label: "Twitter", href: "https://twitter.com" },
                                    { label: "LinkedIn", href: "https://linkedin.com" }
                                ]
                            }
                        ]}
                        copyrightText="© 2025 McLaren Labs. All rights reserved."
                        containerClassName="bg-[#1a1a1a] text-white"
                    />
                    </div>
                </ReactLenis>
            </ThemeProvider>
        );
    }

    return (
        <ThemeProvider
            defaultButtonVariant="icon-arrow"
            defaultTextAnimation="entrance-slide"
            borderRadius="soft"
            contentWidth="medium"
            sizing="large"
            background="none"
            cardStyle="soft-shadow"
            primaryButtonStyle="flat"
            secondaryButtonStyle="glass"
            headingFontWeight="normal"
        >
            <ReactLenis root>
                <div id="navbar" data-section="navbar">
                <NavbarLayoutFloatingOverlay
                    brandName="McLaren Labs"
                    navItems={[
                        { name: "Home", id: "/" },
                        { name: "What We Do", id: "about" },
                        { name: "Work", id: "case-studies" },
                        { name: "Contact", id: "contact" },
                        { name: "Shop", id: "/shop" }
                    ]}
                    button={{ text: "Cart", onClick: () => setCartOpen(true) }}
                    className="fixed top-4 left-4 right-4 z-50"
                    buttonClassName="bg-[#2B4CED] hover:bg-[#1f3cbd] text-white"
                    logoHref="#"
                />
                </div>
                <div id="productCatalog" data-section="productCatalog">
                <ProductCatalog
                    layout="page"
                    products={products}
                    searchValue={search}
                    onSearchChange={setSearch}
                    searchPlaceholder="Search products..."
                    filters={filters}
                    emptyMessage="No products found"
                />
                </div>
                <div id="footer" data-section="footer">
                <FooterBaseReveal
                    columns={[
                        {
                            title: "Company",                            items: [
                                { label: "About", href: "about" },
                                { label: "Work", href: "case-studies" },
                                { label: "Contact", href: "contact" }
                            ]
                        },
                        {
                            title: "Legal",                            items: [
                                { label: "Privacy Policy", href: "https://example.com/privacy" },
                                { label: "Terms of Service", href: "https://example.com/terms" }
                            ]
                        },
                        {
                            title: "Connect",                            items: [
                                { label: "Twitter", href: "https://twitter.com" },
                                { label: "LinkedIn", href: "https://linkedin.com" }
                            ]
                        }
                    ]}
                    copyrightText="© 2025 McLaren Labs. All rights reserved."
                    containerClassName="bg-[#1a1a1a] text-white"
                />
                </div>
            </ReactLenis>
        </ThemeProvider>
    );
}