import { createRouter, createWebHistory } from 'vue-router';
import Dashboard from '../views/Dashboard.vue';

// Módulo AUTH: Login y Register
import Login from '../views/auth/Login.vue';
import Register from '../views/auth/Register.vue'; // Si decidís usar el registro visual
import Huellas from '../views/Huellas.vue';
import Informes from '../views/Informes.vue';
// Módulo USER: Gestión y CRUD
import UsersCrud from '../views/user/UsersCrud.vue';

const routes = [
  { 
    path: '/login', 
    name: 'Login', 
    component: Login,
    meta: { guest: true }
  },
  { 
    path: '/register', 
    name: 'Register', 
    component: Register,
    meta: { guest: true } // Permite acceso solo a usuarios no autenticados
  },
  { 
    path: '/', 
    name: 'Dashboard', 
    component: Dashboard,
    meta: { requiresAuth: true }
  },
  { 
    path: '/admin/usuarios', 
    name: 'UsersCrud', 
    component: UsersCrud,
    meta: { requiresAuth: true, requiresAdmin: true }
  },
  // rutas registradas y protegidas por token
  {
    path: '/huellas',
    name: 'Huellas',
    component: Huellas, 
    meta: { requiresAuth: true } 
  },
  { 
    path: '/informes',
    name: 'Informes',
    component: Informes,
    meta: { requiresAuth: true } 
  }
];

const router = createRouter({
  history: createWebHistory(),
  routes,
});

// Guardia de Navegación Global (Middleware)
router.beforeEach((to, from, next) => {
  const isAuthenticated = !!localStorage.getItem('token');
  const user = JSON.parse(localStorage.getItem('user') || '{}');
  const isAdmin = user.role === 'admin';

  if (to.meta.requiresAuth && !isAuthenticated) {
    return next({ name: 'Login' });
  }

  if (to.meta.guest && isAuthenticated) {
    return next({ name: 'Dashboard' });
  }

  if (to.meta.requiresAdmin && !isAdmin) {
    return next({ name: 'Dashboard' });
  }

  next();
});

export default router;