// Public REST: rare furni trade values (website_rare_values).
// AtomCMS JSON API parity — read-only catalog of rares with their credit /
// currency values. Supports ?category=<id> filter; paginated, ordered by name.
import { apiJson, pagination } from "@/lib/api";
import { prisma } from "@/lib/prisma";

export const dynamic = "force-dynamic";

export async function GET(req: Request) {
  const sp = new URL(req.url).searchParams;
  const { page, perPage, skip, take } = pagination(sp);

  // Optional ?category=<id> filter (category_id is a BigInt).
  const categoryRaw = sp.get("category");
  let where: { categoryId?: bigint } = {};
  if (categoryRaw && /^\d+$/.test(categoryRaw)) {
    try {
      where = { categoryId: BigInt(categoryRaw) };
    } catch {
      where = {};
    }
  }

  try {
    const [total, data] = await Promise.all([
      prisma.websiteRareValues.count({ where }),
      prisma.websiteRareValues.findMany({
        where,
        orderBy: { name: "asc" },
        skip,
        take,
        select: {
          id: true,
          categoryId: true,
          itemId: true,
          name: true,
          creditValue: true,
          currencyValue: true,
          currencyType: true,
          furnitureIcon: true,
        },
      }),
    ]);

    return apiJson({
      data,
      meta: { page, perPage, total, lastPage: Math.max(1, Math.ceil(total / perPage)) },
    });
  } catch {
    // DB unreachable — never 500; return an empty, well-formed payload.
    return apiJson(
      { data: [], meta: { page, perPage, total: 0, lastPage: 1 } },
      { status: 200 },
    );
  }
}