import { readFile } from "fs/promises";
import path from "path";
import { NextResponse } from "next/server";

export const runtime = "nodejs";

const PDF_PATH = path.join(
  process.cwd(),
  "..",
  "..",
  "ingestion",
  "data",
  "raw",
  "duoc-thu-quoc-gia-viet-nam-2018.pdf"
);

export async function GET() {
  try {
    const file = await readFile(PDF_PATH);
    return new NextResponse(file, {
      headers: {
        "Content-Type": "application/pdf",
        "Content-Disposition": "inline",
      },
    });
  } catch {
    return NextResponse.json(
      {
        error:
          "Không tìm thấy file PDF nguồn tại ingestion/data/raw/duoc-thu-quoc-gia-viet-nam-2018.pdf.",
      },
      { status: 404 }
    );
  }
}