// src\app\admin\(dashboard)\dashboard\employees\new\page.tsx

import { Suspense } from 'react';
import { redirect } from 'next/navigation';
import { getServerSession } from '@/lib/auth/getServerSession';
import { PERMISSIONS } from '@/lib/permissions/permissions';
import AccessDenied from '@/components/admin/errors/AccessDenied';
import EmployeeForm from '@/components/admin/employees/EmployeeForm';
import { EmployeeFormSkeleton } from '@/components/ui/FormSkeleton';
import { cookies } from 'next/headers';
import { SESSION_COOKIE } from '@/lib/auth/requireAuth';

async function getDropdownData(sessionToken: string) {
  try {
    const baseUrl = process.env.NEXT_PUBLIC_APP_URL || 'http://localhost:3000';
    const res = await fetch(`${baseUrl}/api/employees?for=dropdown`, {
      cache: 'no-store',
      headers: { 'Authorization': `Bearer ${sessionToken}` }
    });
    
    if (!res.ok) {
      return { roles: [], permissions: [] };
    }
    
    const data = await res.json();
    return {
      roles: data.data?.roles || [],
      permissions: data.data?.permissions || []
    };
  } catch (error) {
    console.error('Failed to fetch dropdown data:', error);
    return { roles: [], permissions: [] };
  }
}

async function NewEmployeeContent() {
  const cookieStore = await cookies();
  const sessionId = cookieStore.get(SESSION_COOKIE)?.value;

  if (!sessionId) redirect('/admin/login');

  const session = await getServerSession();
  if (!session) redirect('/admin/login');
  
  if (!session.permissions.includes(PERMISSIONS.EMPLOYEES_CREATE)) {
    return <AccessDenied />;
  }
  
  const { roles, permissions } = await getDropdownData(sessionId);
  
  return (
    <>
      <div className="mb-6">
        <h1 className="text-2xl font-semibold" style={{ color: 'var(--color-text)' }}>
          Create Employee
        </h1>
        <p className="text-sm mt-1" style={{ color: 'var(--color-text-secondary)' }}>
          Fill in employee details and assign permissions
        </p>
      </div>
      
      <EmployeeForm 
        mode="create" 
        initialData={null}
        roles={roles}
        allPermissions={permissions}
      />
    </>
  );
}

export default async function NewEmployeePage() {
  return (
    <div className="sm:p-6">
      <Suspense fallback={<EmployeeFormSkeleton />}>
        <NewEmployeeContent />
      </Suspense>
    </div>
  );
}