middleware.ts

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

export function middleware(request: NextRequest) {
  const token = request.cookies.get('auth-token')?.value;

  // Define protected routes
  const protectedRoutes = [
    '/dashboard',
    '/contract-drafting',
    '/contract-analyzer',
  ];

  const isProtectedRoute = protectedRoutes.some((route) =>
    request.nextUrl.pathname.startsWith(route)
  );

  if (isProtectedRoute && !token) {
    return NextResponse.redirect(new URL('/login', request.url));
  }

  // Optional: Redirect to dashboard if already logged in and trying to access login/signup
  const authRoutes = ['/login', '/get-started'];
  const isAuthRoute = authRoutes.some((route) =>
    request.nextUrl.pathname.startsWith(route)
  );

  if (isAuthRoute && token) {
    return NextResponse.redirect(new URL('/dashboard', request.url));
  }

  return NextResponse.next();
}

export const config = {
  matcher: [
    /*
     * Match all request paths except for the ones starting with:
     * - api (API routes)
     * - _next/static (static files)
     * - _next/image (image optimization files)
     * - favicon.ico (favicon file)
     * - public files (images, etc.)
     */
    '/((?!api|_next/static|_next/image|favicon.ico|.*\\.(?:svg|png|jpg|jpeg|gif|webp)$).*)',
  ],
};