import type { NextRequest } from "next/server";
import { NextResponse } from "next/server";

const SESSION_COOKIE = "food_tracker_session";

export function middleware(request: NextRequest) {
  const { pathname } = request.nextUrl;

  if (pathname.startsWith("/_next") || pathname.startsWith("/api") || pathname === "/favicon.ico") {
    return NextResponse.next();
  }

  const session = request.cookies.get(SESSION_COOKIE)?.value;

  if (!session && pathname !== "/login") {
    return NextResponse.redirect(new URL("/login", request.url));
  }

  if (session && pathname === "/login") {
    return NextResponse.redirect(new URL("/today", request.url));
  }

  return NextResponse.next();
}

export const config = {
  matcher: ["/((?!.*\\..*).*)"]
};