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shadow-gunbuilder-ai-proto/app/(builder)/builder/summary/page.tsx
T

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TypeScript

"use client";
import { useMemo, useState, useEffect } from "react";
import Link from "next/link";
import { useSearchParams, useRouter } from "next/navigation";
import { CATEGORIES } from "@/data/gunbuilderParts";
import type { CategoryId, Part } from "@/types/gunbuilder";
type BuildState = Partial<Record<CategoryId, string>>; // categoryId -> partId
const STORAGE_KEY = "gunbuilder-build-state";
const API_BASE_URL =
process.env.NEXT_PUBLIC_API_BASE_URL ?? "http://localhost:8080";
type GunbuilderProductFromApi = {
id: string; // backend UUID string
name: string;
brand: string;
platform: string;
partRole: string;
price: number | null;
mainImageUrl: string | null;
buyUrl: string | null;
};
// Map backend partRole -> CategoryId (same as /gunbuilder page)
const PART_ROLE_TO_CATEGORY: Record<string, CategoryId> = {
"upper-receiver": "upper",
barrel: "barrel",
handguard: "handguard",
"charging-handle": "chargingHandle",
"buffer-kit": "buffer",
"lower-parts-kit": "lowerParts",
sight: "sights",
};
// Encode build state to URL-friendly string
function encodeBuildState(build: BuildState): string {
const entries = Object.entries(build)
.filter(([_, partId]) => partId)
.map(([categoryId, partId]) => `${categoryId}:${partId}`)
.join(",");
return btoa(entries);
}
// Decode URL string to build state
function decodeBuildState(encoded: string): BuildState {
try {
const decoded = atob(encoded);
const build: BuildState = {};
decoded.split(",").forEach((entry) => {
const [categoryId, partId] = entry.split(":");
if (categoryId && partId) {
build[categoryId as CategoryId] = partId;
}
});
return build;
} catch {
return {};
}
}
export default function BuildDetailsPage() {
const searchParams = useSearchParams();
const router = useRouter();
const [build, setBuild] = useState<BuildState>({});
const [shareUrl, setShareUrl] = useState<string>("");
const [copied, setCopied] = useState(false);
const [parts, setParts] = useState<Part[]>([]);
const [loadingParts, setLoadingParts] = useState(true);
const [partsError, setPartsError] = useState<string | null>(null);
// Load build from URL params or localStorage
useEffect(() => {
const buildParam = searchParams.get("build");
if (buildParam) {
const decoded = decodeBuildState(buildParam);
setBuild(decoded);
// Also save to localStorage
localStorage.setItem(STORAGE_KEY, JSON.stringify(decoded));
} else if (typeof window !== "undefined") {
// Load from localStorage
const stored = localStorage.getItem(STORAGE_KEY);
if (stored) {
try {
const parsed = JSON.parse(stored);
setBuild(parsed);
} catch {
// Invalid stored data
}
}
}
}, [searchParams]);
// Fetch live parts from backend (same source as /gunbuilder)
useEffect(() => {
const controller = new AbortController();
async function fetchProducts() {
try {
setLoadingParts(true);
setPartsError(null);
const res = await fetch(
`${API_BASE_URL}/api/products/gunbuilder?platform=AR-15`,
{ signal: controller.signal },
);
if (!res.ok) {
throw new Error(`Failed to load products (${res.status})`);
}
const data: GunbuilderProductFromApi[] = await res.json();
const normalized: Part[] = data
.map((p): Part | null => {
const categoryId = PART_ROLE_TO_CATEGORY[p.partRole];
if (!categoryId) return null;
return {
id: p.id, // already a string UUID
categoryId,
name: p.name,
brand: p.brand,
price: p.price ?? 0,
imageUrl: p.mainImageUrl ?? undefined,
url: p.buyUrl ?? undefined,
notes: undefined,
};
})
.filter(Boolean) as Part[];
setParts(normalized);
} catch (err: any) {
if (err.name === "AbortError") return;
setPartsError(err.message ?? "Failed to load products");
} finally {
setLoadingParts(false);
}
}
fetchProducts();
return () => controller.abort();
}, []);
// Generate shareable URL
useEffect(() => {
if (typeof window !== "undefined" && Object.keys(build).length > 0) {
const encoded = encodeBuildState(build);
const url = `${window.location.origin}/builder/build?build=${encoded}`;
setShareUrl(url);
}
}, [build]);
const selectedParts: Part[] = useMemo(() => {
if (parts.length === 0) return [];
return Object.entries(build)
.map(([categoryId, partId]) =>
parts.find(
(p) =>
p.id === partId && p.categoryId === (categoryId as CategoryId),
),
)
.filter(Boolean) as Part[];
}, [build, parts]);
const totalPrice = useMemo(
() => selectedParts.reduce((sum, p) => sum + p.price, 0),
[selectedParts],
);
const handleCopyLink = async () => {
if (shareUrl) {
try {
await navigator.clipboard.writeText(shareUrl);
setCopied(true);
setTimeout(() => setCopied(false), 2000);
} catch (err) {
console.error("Failed to copy:", err);
}
}
};
const handleShare = async () => {
if (navigator.share && shareUrl) {
try {
await navigator.share({
title: "My AR-15 Build",
text: `Check out my AR-15 build: $${totalPrice.toFixed(2)}`,
url: shareUrl,
});
} catch {
handleCopyLink();
}
} else {
handleCopyLink();
}
};
if (!loadingParts && selectedParts.length === 0) {
return (
<main className="min-h-screen bg-black text-zinc-50">
<div className="mx-auto max-w-4xl px-4 py-6 lg:py-10">
<div className="text-center">
<h1 className="text-2xl font-semibold text-zinc-50 mb-4">
No Build Selected
</h1>
<p className="text-sm text-zinc-400 mb-6">
You need to select at least one part to view your build.
</p>
<Link
href="/builder"
className="inline-block rounded-md border border-amber-400/60 bg-amber-400/10 px-4 py-2 text-sm font-medium text-amber-200 hover:bg-amber-400/15 transition-colors"
>
Go to Builder
</Link>
</div>
</div>
</main>
);
}
return (
<main className="min-h-screen bg-black text-zinc-50">
<div className="mx-auto max-w-6xl px-4 py-6 lg:py-10">
{/* Header */}
<header className="mb-6">
<Link
href="/builder"
className="text-xs text-zinc-400 hover:text-zinc-300 mb-4 inline-block"
>
Back to The Armory
</Link>
<div className="flex flex-col gap-4 md:flex-row md:items-end md:justify-between">
<div>
<p className="text-xs font-semibold tracking-[0.2em] uppercase text-zinc-500">
Shadow Standard
</p>
<h1 className="mt-1 text-2xl md:text-3xl font-semibold tracking-tight">
Build <span className="text-amber-300">Summary</span>
</h1>
<p className="mt-2 text-sm text-zinc-400 max-w-xl">
Review your build, purchase parts from our affiliate partners, or
share your build with others.
</p>
</div>
<div className="mt-3 md:mt-0">
<div className="text-xs text-zinc-400">Total Build Price</div>
<div className="text-3xl font-semibold text-amber-300">
${totalPrice.toFixed(2)}
</div>
<div className="text-xs text-zinc-500">
{selectedParts.length} / {CATEGORIES.length} parts selected
</div>
</div>
</div>
</header>
{/* Share Section */}
<section className="mb-6 rounded-lg border border-zinc-800 bg-zinc-950/60 p-4">
<div className="flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
<div className="flex-1">
<h2 className="text-xs font-semibold tracking-[0.16em] uppercase text-zinc-400 mb-2">
Share Your Build
</h2>
<p className="text-sm text-zinc-400">
Share this link to let others view your build or bookmark it to
come back later.
</p>
</div>
<div className="flex gap-2">
<button
type="button"
onClick={handleShare}
className="rounded-md border border-zinc-700 bg-zinc-900/50 px-4 py-2 text-sm font-medium text-zinc-300 hover:bg-zinc-800 hover:border-zinc-600 transition-colors"
>
Share
</button>
<button
type="button"
onClick={handleCopyLink}
className={`rounded-md border px-4 py-2 text-sm font-medium transition-colors ${
copied
? "border-green-500 bg-green-500/10 text-green-400"
: "border-zinc-700 bg-zinc-900/50 text-zinc-300 hover:bg-zinc-800 hover:border-zinc-600"
}`}
>
{copied ? "Copied!" : "Copy Link"}
</button>
</div>
</div>
{shareUrl && (
<div className="mt-3 p-3 rounded-md bg-zinc-900/50 border border-zinc-800">
<p className="text-xs text-zinc-500 mb-1">Shareable URL:</p>
<p className="text-xs text-zinc-400 break-all font-mono">
{shareUrl}
</p>
</div>
)}
</section>
{/* Build Parts */}
<section className="rounded-lg border border-zinc-800 bg-zinc-950/60 p-4 md:p-6">
<h2 className="text-xs font-semibold tracking-[0.16em] uppercase text-zinc-400 mb-4">
Selected Parts
</h2>
{loadingParts && (
<p className="text-sm text-zinc-500 mb-4">Loading parts</p>
)}
{partsError && (
<p className="text-sm text-red-400 mb-4">
{partsError} check the Ballistic API.
</p>
)}
<div className="space-y-4">
{CATEGORIES.map((category) => {
const selectedPartId = build[category.id];
const part = parts.find(
(p) =>
p.id === selectedPartId &&
p.categoryId === (category.id as CategoryId),
);
return (
<div
key={category.id}
className="border border-zinc-800 rounded-md p-4 bg-zinc-900/30"
>
<div className="flex items-start justify-between gap-4">
<div className="flex-1">
<div className="text-[0.7rem] uppercase tracking-[0.16em] text-zinc-500 mb-2">
{category.name}
</div>
{part ? (
<>
<div className="text-lg font-semibold text-zinc-50 mb-1">
<span className="text-zinc-400">{part.brand}</span>{" "}
{part.name}
</div>
<div className="mt-3 flex gap-2 flex-wrap">
{part.url && (
<a
href={part.url}
target="_blank"
rel="noopener noreferrer"
className="inline-flex items-center gap-2 rounded-md border border-amber-400/60 bg-amber-400/10 px-4 py-2 text-sm font-medium text-amber-200 hover:bg-amber-400/15 transition-colors"
>
Purchase from Retailer
<svg
className="w-4 h-4"
fill="none"
stroke="currentColor"
viewBox="0 0 24 24"
>
<path
strokeLinecap="round"
strokeLinejoin="round"
strokeWidth={2}
d="M10 6H6a2 2 0 00-2 2v10a2 2 0 002 2h10a2 2 0 002-2v-4M14 4h6m0 0v6m0-6L10 14"
/>
</svg>
</a>
)}
<Link
href={`/builder/${category.id}/${part.id}`}
className="inline-flex items-center rounded-md border border-zinc-700 bg-zinc-900/50 px-4 py-2 text-sm font-medium text-zinc-300 hover:bg-zinc-800 hover:border-zinc-600 transition-colors"
>
View Details
</Link>
</div>
</>
) : (
<div className="text-sm text-zinc-600">
Not selected
</div>
)}
</div>
{part && (
<div className="text-right">
<div className="text-2xl font-semibold text-amber-300">
${part.price.toFixed(2)}
</div>
</div>
)}
</div>
</div>
);
})}
</div>
</section>
{/* Actions */}
<div className="mt-6 flex flex-col gap-3 sm:flex-row sm:justify-between">
<Link
href="/builder"
className="rounded-md border border-zinc-700 bg-zinc-900/50 px-6 py-3 text-sm font-medium text-zinc-300 hover:bg-zinc-800 hover:border-zinc-600 transition-colors text-center"
>
Edit Build
</Link>
<div className="flex gap-3">
<button
type="button"
onClick={() => {
localStorage.removeItem(STORAGE_KEY);
router.push("/builder");
}}
className="rounded-md border border-zinc-700 bg-zinc-900/50 px-6 py-3 text-sm font-medium text-zinc-300 hover:bg-zinc-800 hover:border-zinc-600 transition-colors"
>
Clear Build
</button>
</div>
</div>
</div>
</main>
);
}