rswag-online/frontend/app/cart/page.tsx

297 lines
9.5 KiB
TypeScript

"use client";
import { useState, useEffect } from "react";
import Link from "next/link";
import { getSpaceIdFromCookie, getCartKey } from "@/lib/spaces";
const API_URL = process.env.NEXT_PUBLIC_API_URL || "http://localhost:8000/api";
interface CartItem {
id: string;
product_slug: string;
product_name: string;
variant_sku: string;
variant_name: string | null;
quantity: number;
unit_price: number;
subtotal: number;
}
interface Cart {
id: string;
items: CartItem[];
item_count: number;
subtotal: number;
}
export default function CartPage() {
const [cart, setCart] = useState<Cart | null>(null);
const [loading, setLoading] = useState(true);
const [checkingOut, setCheckingOut] = useState(false);
const [updating, setUpdating] = useState<string | null>(null);
const fetchCart = async () => {
const cartKey = getCartKey(getSpaceIdFromCookie());
const cartId = localStorage.getItem(cartKey);
if (cartId) {
try {
const res = await fetch(`${API_URL}/cart/${cartId}`);
if (res.ok) {
const data = await res.json();
setCart(data);
} else {
// Cart expired or deleted
localStorage.removeItem(cartKey);
setCart(null);
}
} catch {
setCart(null);
}
}
setLoading(false);
};
useEffect(() => {
fetchCart();
}, []);
const updateQuantity = async (itemId: string, newQuantity: number) => {
if (!cart || newQuantity < 1) return;
setUpdating(itemId);
try {
const res = await fetch(`${API_URL}/cart/${cart.id}/items/${itemId}`, {
method: "PUT",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ quantity: newQuantity }),
});
if (res.ok) {
const updatedCart = await res.json();
setCart(updatedCart);
}
} catch {
console.error("Failed to update quantity");
} finally {
setUpdating(null);
}
};
const removeItem = async (itemId: string) => {
if (!cart) return;
setUpdating(itemId);
try {
const res = await fetch(`${API_URL}/cart/${cart.id}/items/${itemId}`, {
method: "DELETE",
});
if (res.ok) {
const updatedCart = await res.json();
setCart(updatedCart);
}
} catch {
console.error("Failed to remove item");
} finally {
setUpdating(null);
}
};
const handleCheckout = async () => {
if (!cart) return;
setCheckingOut(true);
try {
const res = await fetch(`${API_URL}/checkout/session`, {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
cart_id: cart.id,
success_url: `${window.location.origin}/checkout/success`,
cancel_url: `${window.location.origin}/cart`,
}),
});
if (res.ok) {
const { checkout_url } = await res.json();
window.location.href = checkout_url;
} else {
const data = await res.json();
alert(data.detail || "Failed to start checkout");
}
} catch (error) {
console.error("Checkout error:", error);
alert("Failed to start checkout");
} finally {
setCheckingOut(false);
}
};
if (loading) {
return (
<div className="container mx-auto px-4 py-16">
<div className="flex items-center justify-center">
<div className="animate-spin rounded-full h-12 w-12 border-b-2 border-primary"></div>
</div>
</div>
);
}
if (!cart || cart.items.length === 0) {
return (
<div className="container mx-auto px-4 py-16 text-center">
<h1 className="text-2xl font-bold mb-4">Your Cart</h1>
<p className="text-muted-foreground mb-8">Your cart is empty.</p>
<Link
href="/products"
className="inline-flex items-center justify-center rounded-md bg-primary px-6 py-3 font-medium text-primary-foreground hover:bg-primary/90 transition-colors"
>
Continue Shopping
</Link>
</div>
);
}
return (
<div className="container mx-auto px-4 py-8">
<h1 className="text-2xl font-bold mb-8">Your Cart</h1>
<div className="grid lg:grid-cols-3 gap-8">
<div className="lg:col-span-2 space-y-4">
{cart.items.map((item) => (
<div
key={item.id}
className={`flex items-center gap-4 p-4 border rounded-lg ${
updating === item.id ? "opacity-50" : ""
}`}
>
{/* Product Image */}
<Link href={`/products/${item.product_slug}`}>
<div className="w-24 h-24 bg-muted rounded-lg overflow-hidden flex-shrink-0">
<img
src={`${API_URL}/designs/${item.product_slug}/image`}
alt={item.product_name}
className="w-full h-full object-cover"
/>
</div>
</Link>
{/* Product Info */}
<div className="flex-1 min-w-0">
<Link
href={`/products/${item.product_slug}`}
className="font-semibold hover:text-primary transition-colors"
>
{item.product_name}
</Link>
{item.variant_name && (
<p className="text-sm text-muted-foreground">
{item.variant_name}
</p>
)}
<p className="text-sm text-muted-foreground">
${item.unit_price.toFixed(2)} each
</p>
{/* Quantity Controls */}
<div className="flex items-center gap-2 mt-2">
<button
onClick={() => updateQuantity(item.id, item.quantity - 1)}
disabled={updating === item.id || item.quantity <= 1}
className="w-8 h-8 rounded border flex items-center justify-center hover:bg-muted transition-colors disabled:opacity-50"
>
-
</button>
<span className="w-8 text-center">{item.quantity}</span>
<button
onClick={() => updateQuantity(item.id, item.quantity + 1)}
disabled={updating === item.id}
className="w-8 h-8 rounded border flex items-center justify-center hover:bg-muted transition-colors disabled:opacity-50"
>
+
</button>
<button
onClick={() => removeItem(item.id)}
disabled={updating === item.id}
className="ml-4 text-sm text-red-600 hover:text-red-700 transition-colors disabled:opacity-50"
>
Remove
</button>
</div>
</div>
{/* Subtotal */}
<div className="text-right">
<p className="font-bold">${item.subtotal.toFixed(2)}</p>
</div>
</div>
))}
</div>
{/* Order Summary */}
<div className="lg:col-span-1">
<div className="border rounded-lg p-6 sticky top-4">
<h2 className="font-bold text-lg mb-4">Order Summary</h2>
<div className="space-y-3 mb-4">
<div className="flex justify-between">
<span className="text-muted-foreground">
Subtotal ({cart.item_count} item{cart.item_count !== 1 ? "s" : ""})
</span>
<span>${cart.subtotal.toFixed(2)}</span>
</div>
<div className="flex justify-between text-muted-foreground">
<span>Shipping</span>
<span>Calculated at checkout</span>
</div>
</div>
<div className="border-t pt-4 mb-6">
<div className="flex justify-between font-bold text-lg">
<span>Total</span>
<span>${cart.subtotal.toFixed(2)}</span>
</div>
</div>
<button
onClick={handleCheckout}
disabled={checkingOut}
className="w-full bg-primary text-primary-foreground py-3 rounded-md font-medium hover:bg-primary/90 transition-colors disabled:opacity-50"
>
{checkingOut ? (
<span className="flex items-center justify-center gap-2">
<svg
className="animate-spin h-5 w-5"
viewBox="0 0 24 24"
fill="none"
>
<circle
className="opacity-25"
cx="12"
cy="12"
r="10"
stroke="currentColor"
strokeWidth="4"
/>
<path
className="opacity-75"
fill="currentColor"
d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
/>
</svg>
Processing...
</span>
) : (
"Proceed to Checkout"
)}
</button>
<Link
href="/products"
className="block text-center mt-4 text-sm text-muted-foreground hover:text-primary transition-colors"
>
Continue Shopping
</Link>
</div>
</div>
</div>
</div>
);
}