"use client";

import { use, useCallback } from "react";
import { useRouter } from "next/navigation";
import ReactLenis from "lenis/react";
import { ThemeProvider } from "@/providers/themeProvider/ThemeProvider";
import NavbarStyleCentered from '@/components/navbar/NavbarStyleCentered/NavbarStyleCentered';
import FooterBaseReveal from '@/components/sections/footer/FooterBaseReveal';
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) {
    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="text-stagger"
                defaultTextAnimation="reveal-blur"
                borderRadius="pill"
                contentWidth="smallMedium"
                sizing="medium"
                background="aurora"
                cardStyle="layered-gradient"
                primaryButtonStyle="flat"
                secondaryButtonStyle="radial-glow"
                headingFontWeight="semibold"
            >
                <ReactLenis root>
                    <NavbarStyleCentered
                        brandName="Globus"
                        navItems={[
                            { name: "Home", id: "/" },
                            { name: "Shop", id: "/shop" }
                        ]}
                        button={{ text: "Shop Now", href: "/shop" }}
                    />
                    <main className="min-h-screen flex items-center justify-center pt-20">
                        <p className="text-foreground">Loading product...</p>
                    </main>
                    <FooterBaseReveal
                        columns={[
                            {
                                title: "Products",                                items: [
                                    { label: "All Cups", href: "/shop" },
                                    { label: "Collections", href: "/shop" },
                                    { label: "New Arrivals", href: "/shop" }
                                ]
                            },
                            {
                                title: "Company",                                items: [
                                    { label: "About Us", href: "/" },
                                    { label: "Sustainability", href: "/" },
                                    { label: "Careers", href: "/" }
                                ]
                            },
                            {
                                title: "Support",                                items: [
                                    { label: "Contact Us", href: "/contacts" },
                                    { label: "Shipping Info", href: "/" },
                                    { label: "Returns", href: "/" }
                                ]
                            }
                        ]}
                        copyrightText="© 2025 Globus Cups | Premium Drinkware Since 2010"
                    />
                </ReactLenis>
            </ThemeProvider>
        );
    }

    if (!product) {
        return (
            <ThemeProvider
                defaultButtonVariant="text-stagger"
                defaultTextAnimation="reveal-blur"
                borderRadius="pill"
                contentWidth="smallMedium"
                sizing="medium"
                background="aurora"
                cardStyle="layered-gradient"
                primaryButtonStyle="flat"
                secondaryButtonStyle="radial-glow"
                headingFontWeight="semibold"
            >
                <ReactLenis root>
                    <NavbarStyleCentered
                        brandName="Globus"
                        navItems={[
                            { name: "Home", id: "/" },
                            { name: "Shop", id: "/shop" }
                        ]}
                        button={{ text: "Shop Now", href: "/shop" }}
                    />
                    <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>
                    <FooterBaseReveal
                        columns={[
                            {
                                title: "Products",                                items: [
                                    { label: "All Cups", href: "/shop" },
                                    { label: "Collections", href: "/shop" },
                                    { label: "New Arrivals", href: "/shop" }
                                ]
                            },
                            {
                                title: "Company",                                items: [
                                    { label: "About Us", href: "/" },
                                    { label: "Sustainability", href: "/" },
                                    { label: "Careers", href: "/" }
                                ]
                            },
                            {
                                title: "Support",                                items: [
                                    { label: "Contact Us", href: "/contacts" },
                                    { label: "Shipping Info", href: "/" },
                                    { label: "Returns", href: "/" }
                                ]
                            }
                        ]}
                        copyrightText="© 2025 Globus Cups | Premium Drinkware Since 2010"
                    />
                </ReactLenis>
            </ThemeProvider>
        );
    }

    return (
        <ThemeProvider
            defaultButtonVariant="text-stagger"
            defaultTextAnimation="reveal-blur"
            borderRadius="pill"
            contentWidth="smallMedium"
            sizing="medium"
            background="aurora"
            cardStyle="layered-gradient"
            primaryButtonStyle="flat"
            secondaryButtonStyle="radial-glow"
            headingFontWeight="semibold"
        >
            <ReactLenis root>
                <NavbarStyleCentered
                    brandName="Globus"
                    navItems={[
                        { name: "Home", id: "/" },
                        { name: "Shop", id: "/shop" }
                    ]}
                    button={{ text: "Shop Now", href: "/shop" }}
                />
                <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 },
                    ]}
                />
                <ProductCart
                    isOpen={cartOpen}
                    onClose={() => setCartOpen(false)}
                    items={cartItems}
                    onQuantityChange={updateQuantity}
                    onRemove={removeItem}
                    total={`$${cartTotal}`}
                    buttons={[
                        {
                            text: isCheckoutLoading ? "Processing..." : "Check Out",                            onClick: handleCheckout,
                        },
                    ]}
                />
                <FooterBaseReveal
                    columns={[
                        {
                            title: "Products",                            items: [
                                { label: "All Cups", href: "/shop" },
                                { label: "Collections", href: "/shop" },
                                { label: "New Arrivals", href: "/shop" }
                            ]
                        },
                        {
                            title: "Company",                            items: [
                                { label: "About Us", href: "/" },
                                { label: "Sustainability", href: "/" },
                                { label: "Careers", href: "/" }
                            ]
                        },
                        {
                            title: "Support",                            items: [
                                { label: "Contact Us", href: "/contacts" },
                                { label: "Shipping Info", href: "/" },
                                { label: "Returns", href: "/" }
                            ]
                        }
                    ]}
                    copyrightText="© 2025 Globus Cups | Premium Drinkware Since 2010"
                />
            </ReactLenis>
        </ThemeProvider>
    );
}