// Public REST: a single rare furni trade value by id (website_rare_values),
// together with its parent category. AtomCMS JSON API parity. Returns { error }
// (404) when the id is unknown.
import { apiJson } from "@/lib/api";
import { prisma } from "@/lib/prisma";

export const dynamic = "force-dynamic";

export async function GET(
  _req: Request,
  { params }: { params: Promise<{ id: string }> },
) {
  const { id } = await params;

  // The primary key is a BigInt; reject non-numeric ids up front.
  if (!/^\d+$/.test(id)) {
    return apiJson({ error: "Rare value not found" }, { status: 404 });
  }

  let valueId: bigint;
  try {
    valueId = BigInt(id);
  } catch {
    return apiJson({ error: "Rare value not found" }, { status: 404 });
  }

  try {
    const value = await prisma.websiteRareValues.findUnique({
      where: { id: valueId },
      select: {
        id: true,
        categoryId: true,
        itemId: true,
        name: true,
        creditValue: true,
        currencyValue: true,
        currencyType: true,
        furnitureIcon: true,
        createdAt: true,
        updatedAt: true,
      },
    });

    if (!value) {
      return apiJson({ error: "Rare value not found" }, { status: 404 });
    }

    // No relation is modelled between the value and its category, so resolve the
    // category in a second guarded query.
    let category: {
      id: bigint;
      name: string;
      badge: string;
      priority: number;
    } | null = null;
    try {
      category = await prisma.websiteRareValueCategories.findUnique({
        where: { id: value.categoryId },
        select: { id: true, name: true, badge: true, priority: true },
      });
    } catch {
      category = null;
    }

    return apiJson({ data: { ...value, category } });
  } catch {
    // DB unavailable — treat as not found rather than a 500.
    return apiJson({ error: "Rare value not found" }, { status: 200 });
  }
}