"use client";

import { 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";

// New imports for Navbar and Footer
import NavbarStyleCentered from '@/components/navbar/NavbarStyleCentered/NavbarStyleCentered';
import FooterBase from '@/components/sections/footer/FooterBase';

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]);

    const themeProps = {
        defaultButtonVariant: "hover-bubble" as const,
        defaultTextAnimation: "background-highlight" as const,
        borderRadius: "sharp" as const,
        contentWidth: "mediumSmall" as const,
        sizing: "largeSmall" as const,
        background: "aurora" as const,
        cardStyle: "subtle-shadow" as const,
        primaryButtonStyle: "inset-glow" as const,
        secondaryButtonStyle: "solid" as const,
        headingFontWeight: "light" as const,
    };

    // Navbar configuration with Cart button (setCartOpen is available here)
    const navbarProps = {
        navItems: [
            { name: "Home", id: "/" },
            { name: "Adopt", id: "/adopt" },
            { name: "About", id: "/about" },
            { name: "Contact", id: "/contact" },
            { name: "Shop", id: "/shop" },
            { name: "Donate", id: "/donate" },
            { name: "Blog", id: "/blog" }
        ],
        brandName: "Hope Haven",        className: "py-4",        button: { text: "Cart", onClick: () => setCartOpen(true) }
    };

    // Footer configuration
    const footerProps = {
        columns: [
            { title: "About Us", items: [{ label: "Our Mission", href: "/about" }, { label: "Meet the Team", href: "/about#team" }, { label: "Impact Report", href: "/about#impact" }] },
            { title: "Get Involved", items: [{ label: "Adopt a Pet", href: "/adopt" }, { label: "Volunteer", href: "/contact" }, { label: "Foster a Pet", href: "/contact" }] },
            { title: "Resources", items: [{ label: "FAQs", href: "/faq" }, { label: "Pet Care Tips", href: "/blog" }, { label: "Contact Us", href: "/contact" }] }
        ],
        logoText: "Hope Haven",        copyrightText: "© 2024 Hope Haven Animal Shelter. All rights reserved.",        useInvertedBackground: false
    };

    if (isLoading) {
        return (
            <ThemeProvider {...themeProps}>
                <ReactLenis root>
                    <div id="navbar" data-section="navbar">
                        <NavbarStyleCentered {...navbarProps} />
                    </div>
                    <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>
                    <div id="footer" data-section="footer">
                        <FooterBase {...footerProps} />
                    </div>
                </ReactLenis>
            </ThemeProvider>
        );
    }

    if (!product) {
        return (
            <ThemeProvider {...themeProps}>
                <ReactLenis root>
                    <div id="navbar" data-section="navbar">
                        <NavbarStyleCentered {...navbarProps} />
                    </div>
                    <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"
                                >
                                    Back to Shop
                                </button>
                            </div>
                        </main>
                    </div>
                    <div id="footer" data-section="footer">
                        <FooterBase {...footerProps} />
                    </div>
                </ReactLenis>
            </ThemeProvider>
        );
    }

    return (
        <ThemeProvider {...themeProps}>
            <ReactLenis root>
                <div id="navbar" data-section="navbar">
                    <NavbarStyleCentered {...navbarProps} />
                </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">
                    <FooterBase {...footerProps} />
                </div>
            </ReactLenis>
        </ThemeProvider>
    );
}
