import { NextRequest, NextResponse } from "next/server";
import { prisma } from "@/lib/prisma";
import { loadFileData } from "@/lib/storage";
import { logActivity } from "@/lib/activity";

export async function GET(
  request: NextRequest,
  { params }: { params: { id: string } }
) {
  const file = await prisma.file.findUnique({ where: { id: params.id } });

  if (!file) {
    return NextResponse.json({ error: "File not found" }, { status: 404 });
  }

  const data = await loadFileData(file.storagePath, file.isEncrypted);

  await logActivity("DOWNLOAD", file.id, `Downloaded ${file.name}`);

  return new NextResponse(new Uint8Array(data), {
    headers: {
      "Content-Type": "application/octet-stream",
      "Content-Disposition": `attachment; filename="${encodeURIComponent(file.name)}"`,
      "Content-Length": String(data.length),
    },
  });
}