middleware.ts

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

export async function middleware(request: NextRequest) {
  const sessionId = request.cookies.get("session_id")?.value
  const { pathname } = request.nextUrl

  // Public routes that don't require authentication
  const publicRoutes = ["/", "/login", "/register"]

  // Check if the route is public
  if (publicRoutes.some((route) => pathname === route)) {
    // If user is already logged in, redirect to appropriate dashboard
    if (sessionId) {
      // We can't check the role here, so we'll redirect to a route handler that will check
      return NextResponse.redirect(new URL("/api/auth/redirect", request.url))
    }
    return NextResponse.next()
  }

  // Protected routes
  if (!sessionId) {
    return NextResponse.redirect(new URL("/", request.url))
  }

  // Role-specific routes
  if (pathname.startsWith("/job-seeker") || pathname.startsWith("/employer")) {
    // We'll let the layout components handle role-specific access
    return NextResponse.next()
  }

  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)
     */
    "/((?!api/auth/redirect|_next/static|_next/image|favicon.ico).*)",
  ],
}