SSR Oauth in Nextjs not working properly

export async function GET(request: NextRequest) {
  const userId = request.nextUrl.searchParams.get("userId");
  const secret = request.nextUrl.searchParams.get("secret");

  if (!userId || !secret) {
    return NextResponse.json({ error: "Invalid request" }, { status: 400 });
  }

  const { account } = await createAdminClient();
  const session = await account.createSession(userId, secret);

  cookies().set("my-custom-session", session.secret, {
    path: "/",
    httpOnly: true,
    sameSite: "strict",
    secure: true,
  });

  return NextResponse.redirect(`${request.nextUrl.origin}/`);
}

export async function getLoggedInUser() {
  try {
    const { account } = await createSessionClient();
    return await account.get();
  } catch (error) {
    console.log(error);
    return null;
  }

  cookies().set("my-custom-session", session.secret, {
    path: "/",
    httpOnly: true,
    sameSite: isProduction ? "none" : "lax",
    secure: isProduction,
  });

export async function createSessionClient() {
  const client = new Client()
    .setEndpoint(process.env.NEXT_PUBLIC_APPWRITE_ENDPOINT!)
    .setProject(process.env.NEXT_PUBLIC_APPWRITE_PROJECT!);

  const session = cookies().get("my-custom-session");
  if (!session || !session.value) {
    throw new Error("No session");
  }

  client.setSession(session.value);

  return {
    get account() {
      return new Account(client);
    },
  };
}```

const response = NextResponse.redirect(`${request.nextUrl.origin}/`);
response.cookies.set("my-custom-session", session.secret);
return response;