import { NextResponse } from "next/server";
import { prisma } from "../../../../lib/prisma";

export async function GET(
  _req: Request,
  { params }: { params: { id: string } },
) {
  const image = await prisma.listingImage.findUnique({
    where: { id: params.id },
    select: { data: true, mimeType: true, url: true, updatedAt: true },
  });

  if (!image) {
    return NextResponse.json({ error: "Not found" }, { status: 404 });
  }

  if (image.data) {
    const res = new NextResponse(image.data, {
      status: 200,
      headers: {
        "Content-Type": image.mimeType || "application/octet-stream",
        "Cache-Control": "public, max-age=86400",
      },
    });
    if (image.updatedAt) {
      res.headers.set("Last-Modified", image.updatedAt.toUTCString());
    }
    return res;
  }

  if (image.url) {
    return NextResponse.redirect(image.url, { status: 302 });
  }

  return NextResponse.json({ error: "Image missing" }, { status: 404 });
}