import { NextResponse } from "next/server";
import type { NextRequest } from "next/server";
import { getToken } from "next-auth/jwt";

export default async function middleware(request: NextRequest) {
  const { nextUrl } = request;
  const token = await getToken({
    req: request,
    secret: process.env.AUTH_SECRET,
    cookieName:
      process.env.NODE_ENV === "production"
        ? "__Secure-authjs.session-token"
        : "authjs.session-token"
  });
  const isBriefingsRoute = nextUrl.pathname.startsWith("/briefings");
  const isAdminRoute = nextUrl.pathname.startsWith("/admin");
  const isAccountRoute = nextUrl.pathname.startsWith("/minha-conta");

  if ((isBriefingsRoute || isAdminRoute || isAccountRoute) && !token) {
    const loginUrl = new URL("/login", nextUrl);
    loginUrl.searchParams.set("callbackUrl", nextUrl.pathname);
    return NextResponse.redirect(loginUrl);
  }

  if (isAdminRoute && token?.papel !== "ADMIN") {
    return NextResponse.redirect(new URL("/briefings", nextUrl));
  }

  if (isBriefingsRoute && token?.papel !== "CLIENTE") {
    return NextResponse.redirect(new URL("/admin", nextUrl));
  }

  if (isAccountRoute && token?.papel !== "CLIENTE") {
    return NextResponse.redirect(new URL("/admin", nextUrl));
  }

  return NextResponse.next();
}

export const config = {
  matcher: ["/briefings/:path*", "/admin/:path*", "/minha-conta/:path*"]
};