import Vue from 'vue'
import VueRouter from 'vue-router'
import Collections from '@/views/Collections.vue'
import Collection from "@/views/Collection";
import Item from "@/views/Item";
import Login from "@/views/Login";


import store from '@/store'

Vue.use(VueRouter)

const routes = [
  {
    path: '/',
    name: 'Collections',
    component: Collections,
    meta: {
      allowVisit(authorized) {
        return authorized;
      }
    }
  },
  {
    path: '/collection/:id',
    name: 'Collection',
    component: Collection,
    meta: {
      allowVisit(authorized) {
        return authorized;
      }
    }
  },
  {
    path: '/item/:id',
    name: 'Item',
    component: Item,
    meta: {
      allowVisit(authorized) {
        return authorized;
      }
    }
  },
  {
    path: '/about',
    name: 'About',
    // route level code-splitting
    // this generates a separate chunk (about.[hash].js) for this route
    // which is lazy-loaded when the route is visited.
    component: () => import(/* webpackChunkName: "about" */ '../views/About.vue'),
    meta: {
      allowVisit() {
        return true;
      }
    }
  },
  {
    path: '/login',
    name: 'Login',
    component: Login,
    meta: {
      allowVisit(authorized) {
        return !authorized;
      }
    }
  },
  {
    path: '*',
    name: 'NotFound',
    component: () => import(/* webpackChunkName: "about" */ '../views/NotFound'),
    meta: {
      allowVisit() {
        return true;
      }
    }
  }
]

const router = new VueRouter({
  mode: 'history',
  base: process.env.BASE_URL,
  routes
})

router.beforeEach((to, from, next) => {

  if (!store.state.appReady) {
    next();
    return;
  }

  const authorized = store.getters.isLoggedIn;

  const visitAllowed = to.matched.some(record => record.meta.allowVisit(authorized))

  if (visitAllowed) {
    next();
    return;
  }

  if (authorized) {
    next({name: 'Collections'})
  } else {
    next({name: 'Login'})
  }

})


export default router