import { NextResponse, type NextRequest } from "next/server";
import { SESSION_COOKIE } from "@/lib/auth/session";

const PROTECTED_PREFIXES = ["/practice", "/camera", "/profile", "/onboarding"];

export function proxy(req: NextRequest) {
  const { pathname } = req.nextUrl;
  if (!PROTECTED_PREFIXES.some((p) => pathname === p || pathname.startsWith(p + "/"))) {
    return NextResponse.next();
  }
  const hasSession = Boolean(req.cookies.get(SESSION_COOKIE)?.value);
  if (!hasSession) {
    const url = req.nextUrl.clone();
    url.pathname = "/";
    url.searchParams.set("next", pathname);
    return NextResponse.redirect(url);
  }
  return NextResponse.next();
}

export const config = {
  matcher: ["/practice/:path*", "/camera/:path*", "/profile/:path*", "/onboarding/:path*"],
};