import { prisma } from "@/lib/db";
import { decodeId } from "@/lib/hashids";
import { withGuards } from "@/lib/api-guards";

type Ctx = { params: Promise<{ chapterId: string }> };

export const GET = withGuards<Ctx>(
  { rateLimit: { key: "chapter-meta", limit: 60, windowMs: 60_000 } },
  async (_request, { params }) => {
    const { chapterId: raw } = await params;
    const chapterId = decodeId(raw);
    if (chapterId === null) {
      return Response.json({ error: "Invalid chapterId" }, { status: 400 });
    }

    const pages = await prisma.page.findMany({
      where: { chapterId },
      orderBy: { number: "asc" },
      select: { number: true, width: true, height: true },
    });

    return Response.json(pages);
  }
);