/* jshint esversion: 6 */
/**
 * @copyright Copyright (c) 2019 René Gieling <github@dartcafe.de>
 *
 * @author René Gieling <github@dartcafe.de>
 *
 * @license  AGPL-3.0-or-later
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 */
import Vue from 'vue'
import Router from 'vue-router'
import axios from '@nextcloud/axios'
import { getCurrentUser } from '@nextcloud/auth'
import { generateUrl } from '@nextcloud/router'

// Dynamic loading
const List = () => import('./views/PollList')
const Administration = () => import('./views/Administration')
const Vote = () => import('./views/Vote')
const NotFound = () => import('./views/NotFound')
const SideBar = () => import('./views/SideBar')
const Navigation = () => import('./views/Navigation')

Vue.use(Router)

/**
 * @callback nextCallback
 * @param {object} route
 */

/**
 * @param {object} to Target route
 * @param {object} from  Route navigated from
 * @param {nextCallback} next callback for next route
 */
async function validateToken(to, from, next) {
	try {
		const response = await axios.get(generateUrl(`apps/polls/s/${to.params.token}/share`), { params: { time: +new Date() } })
		if (getCurrentUser()) {
			// reroute to the internal vote page, if the user is logged in
			next({ name: 'vote', params: { id: response.data.share.pollId } })
		} else {
			next()
		}
	} catch (e) {
		if (getCurrentUser()) {
			next({ name: 'notfound' })
		} else {
			window.location.replace(generateUrl('login'))
		}

	}
}

export default new Router({
	mode: 'history',
	base: generateUrl('/apps/polls'),
	linkActiveClass: 'active',
	routes: [
		{
			path: '/',
			redirect: {
				name: 'list',
				params: {
					type: 'relevant',
				},
			},
		},
		{
			path: '/list/:type?',
			components: {
				default: List,
				navigation: Navigation,
			},
			props: true,
			name: 'list',
		},
		{
			path: '/administration',
			components: {
				default: Administration,
				navigation: Navigation,
			},
			name: 'administration',
		},
		{
			path: '/not-found',
			components: {
				default: NotFound,
				navigation: Navigation,
			},
			name: 'notfound',
		},
		{
			path: '/vote/:id',
			components: {
				default: Vote,
				navigation: Navigation,
				sidebar: SideBar,
			},
			props: true,
			name: 'vote',
		},
		{
			path: '/s/:token',
			components: {
				default: Vote,
				sidebar: SideBar,
			},
			beforeEnter: validateToken,
			props: true,
			name: 'publicVote',
		},
	],
})