"use client";

import { 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 ProductDetailCard from "@/components/ecommerce/productDetail/ProductDetailCard";
import ProductCart from "@/components/ecommerce/cart/ProductCart";
import FooterLogoEmphasis from '@/components/sections/footer/FooterLogoEmphasis';
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="shift-hover"
                defaultTextAnimation="entrance-slide"
                borderRadius="sharp"
                contentWidth="mediumSmall"
                sizing="largeSmallSizeMediumTitles"
                background="floatingGradient"
                cardStyle="inset"
                primaryButtonStyle="radial-glow"
                secondaryButtonStyle="glass"
                headingFontWeight="extrabold"
            >
                <ReactLenis root>
                    <div id="nav" data-section="nav">
                    <NavbarStyleFullscreen
                        brandName="Integral"
                        navItems={[
                            {"name":"Home","id":"/"},
                            {"name":"Games","id":"games"},
                            {"name":"About","id":"about"},
                            {"name":"Pricing","id":"pricing"},
                            {"name":"Community","id":"testimonials"},
                            {"name":"Contact","id":"contact"},
                            {"name":"Shop","id":"/shop"}
                        ]}
                        bottomLeftText="Your Ultimate Gaming Hub"
                        bottomRightText="hello@integral.games"
                        button={{ text: "Cart", onClick: () => setCartOpen(true) }}
                    />
                    </div>
                    <main className="min-h-screen flex items-center justify-center pt-20">
                        <p className="text-foreground">Loading product...</p>
                    </main>
                    <FooterLogoEmphasis
                        logoText="Integral"
                        columns={[
                            {"items":[{"label":"Browse Games","href":"#games"},{"label":"Pricing","href":"#pricing"},{"label":"Community","href":"#testimonials"}]},
                            {"items":[{"label":"About Us","href":"#about"},{"label":"Blog","href":"#"},{"label":"Careers","href":"#"}]},
                            {"items":[{"label":"Support","href":"#contact"},{"label":"Privacy Policy","href":"#"},{"label":"Terms of Service","href":"#"}]},
                            {"items":[{"label":"Twitter","href":"https://twitter.com"},{"label":"Discord","href":"https://discord.com"},{"label":"YouTube","href":"https://youtube.com"}]}
                        ]}
                    />
                </ReactLenis>
            </ThemeProvider>
        );
    }

    if (!product) {
        return (
            <ThemeProvider
                defaultButtonVariant="shift-hover"
                defaultTextAnimation="entrance-slide"
                borderRadius="sharp"
                contentWidth="mediumSmall"
                sizing="largeSmallSizeMediumTitles"
                background="floatingGradient"
                cardStyle="inset"
                primaryButtonStyle="radial-glow"
                secondaryButtonStyle="glass"
                headingFontWeight="extrabold"
            >
                <ReactLenis root>
                    <div id="nav" data-section="nav">
                        <NavbarStyleFullscreen
                            brandName="Integral"
                            navItems={[
                                {"name":"Home","id":"/"},
                                {"name":"Games","id":"games"},
                                {"name":"About","id":"about"},
                                {"name":"Pricing","id":"pricing"},
                                {"name":"Community","id":"testimonials"},
                                {"name":"Contact","id":"contact"},
                                {"name":"Shop","id":"/shop"}
                            ]}
                            bottomLeftText="Your Ultimate Gaming Hub"
                            bottomRightText="hello@integral.games"
                            button={{ text: "Cart", onClick: () => setCartOpen(true) }}
                        />
                    </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>
                    <FooterLogoEmphasis
                        logoText="Integral"
                        columns={[
                            {"items":[{"label":"Browse Games","href":"#games"},{"label":"Pricing","href":"#pricing"},{"label":"Community","href":"#testimonials"}]},
                            {"items":[{"label":"About Us","href":"#about"},{"label":"Blog","href":"#"},{"label":"Careers","href":"#"}]},
                            {"items":[{"label":"Support","href":"#contact"},{"label":"Privacy Policy","href":"#"},{"label":"Terms of Service","href":"#"}]},
                            {"items":[{"label":"Twitter","href":"https://twitter.com"},{"label":"Discord","href":"https://discord.com"},{"label":"YouTube","href":"https://youtube.com"}]}
                        ]}
                    />
                </ReactLenis>
            </ThemeProvider>
        );
    }

    return (
        <ThemeProvider
            defaultButtonVariant="shift-hover"
            defaultTextAnimation="entrance-slide"
            borderRadius="sharp"
            contentWidth="mediumSmall"
            sizing="largeSmallSizeMediumTitles"
            background="floatingGradient"
            cardStyle="inset"
            primaryButtonStyle="radial-glow"
            secondaryButtonStyle="glass"
            headingFontWeight="extrabold"
        >
            <ReactLenis root>
                <div id="nav" data-section="nav">
                <NavbarStyleFullscreen
                    brandName="Integral"
                    navItems={[
                        {"name":"Home","id":"/"},
                        {"name":"Games","id":"games"},
                        {"name":"About","id":"about"},
                        {"name":"Pricing","id":"pricing"},
                        {"name":"Community","id":"testimonials"},
                        {"name":"Contact","id":"contact"},
                        {"name":"Shop","id":"/shop"}
                    ]}
                    bottomLeftText="Your Ultimate Gaming Hub"
                    bottomRightText="hello@integral.games"
                    button={{ text: "Cart", onClick: () => setCartOpen(true) }}
                />
                </div>
                <div id="productDetailCard" data-section="productDetailCard">
                <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="productCart" data-section="productCart">
                <ProductCart
                    isOpen={cartOpen}
                    onClose={() => setCartOpen(false)}
                    items={cartItems}
                    onQuantityChange={updateQuantity}
                    onRemove={removeItem}
                    total={`$${cartTotal}`}
                    buttons={[
                        {
                            text: isCheckoutLoading ? "Processing..." : "Check Out",                            onClick: handleCheckout,
                        },
                    ]}
                />
                </div>
                <FooterLogoEmphasis
                    logoText="Integral"
                    columns={[
                        {"items":[{"label":"Browse Games","href":"#games"},{"label":"Pricing","href":"#pricing"},{"label":"Community","href":"#testimonials"}]},
                        {"items":[{"label":"About Us","href":"#about"},{"label":"Blog","href":"#"},{"label":"Careers","href":"#"}]},
                        {"items":[{"label":"Support","href":"#contact"},{"label":"Privacy Policy","href":"#"},{"label":"Terms of Service","href":"#"}]},
                        {"items":[{"label":"Twitter","href":"https://twitter.com"},{"label":"Discord","href":"https://discord.com"},{"label":"YouTube","href":"https://youtube.com"}]}
                    ]}
                />
            </ReactLenis>
        </ThemeProvider>
    );
}