/* This is Free Software under GNU Affero General Public License v >= 3.0
 * without warranty, see README.md and license for details.
 *
 * SPDX-License-Identifier: AGPL-3.0-or-later
 * License-Filename: LICENSES/AGPL-3.0.txt
 *
 * Copyright (C) 2018 by via donau
 *   – Österreichische Wasserstraßen-Gesellschaft mbH
 * Software engineering by Intevation GmbH
 *
 * Author(s):
 * Thomas Junk <thomas.junk@intevation.de>
 * Bernhard Reiter <bernhard@intevation.de>
 * Markus Kottländer <markus@intevation.de>
 */
import Vue from "vue";
import Router from "vue-router";
import store from "./store";
import { sessionStillActive, toMillisFromString } from "./lib/session";

/*  facilitate codesplitting */
const Login = () => import("./components/Login");
const Main = () => import("./components/Main");

Vue.use(Router);

const router = new Router({
  routes: [
    {
      path: "/login",
      name: "login",
      component: Login
    },
    {
      path: "/usermanagement",
      name: "usermanagement",
      component: () => import("./components/usermanagement/Usermanagement"),
      meta: {
        requiresAuth: true
      },
      beforeEnter: (to, from, next) => {
        const isSysadmin = store.getters["user/isSysAdmin"];
        if (!isSysadmin) {
          next("/login");
        } else {
          next();
        }
      }
    },
    {
      path: "/logs",
      name: "logs",
      component: () => import("./components/Logs"),
      meta: {
        requiresAuth: true
      },
      beforeEnter: (to, from, next) => {
        const isSysadmin = store.getters["user/isSysAdmin"];
        if (!isSysadmin) {
          next("/login");
        } else {
          next();
        }
      }
    },
    {
      path: "/systemconfiguration",
      name: "systemconfiguration",
      component: () =>
        import("./components/systemconfiguration/Systemconfiguration"),
      meta: {
        requiresAuth: true
      },
      beforeEnter: (to, from, next) => {
        const isWaterwayAdmin = store.getters["user/isWaterwayAdmin"];
        if (!isWaterwayAdmin) {
          next("/login");
        } else {
          next();
        }
      }
    },
    {
      path: "/",
      name: "mainview",
      component: Main,
      meta: {
        requiresAuth: true
      },
      beforeEnter: (to, from, next) => {
        store.commit("application/searchQuery", "");
        store.commit("application/showContextBox", false);
        store.commit("application/contextBoxContent", "");
        store.commit("application/showSearchbar", false);
        next();
      }
    },
    {
      path: "/bottlenecks",
      name: "bottlenecks",
      component: Main,
      meta: {
        requiresAuth: true
      },
      beforeEnter: (to, from, next) => {
        store.commit("application/searchQuery", "");
        store.commit("application/showContextBox", true);
        store.commit("application/contextBoxContent", "bottlenecks");
        store.commit("application/showSearchbar", true);
        next();
      }
    },
    {
      path: "/imports/configuration",
      name: "importconfiguration",
      component: Main,
      meta: {
        requiresAuth: true
      },
      beforeEnter: (to, from, next) => {
        const isWaterwayAdmin = store.getters["user/isWaterwayAdmin"];
        if (!isWaterwayAdmin) {
          next("/login");
        } else {
          store.commit("application/searchQuery", "");
          store.commit("application/showContextBox", true);
          store.commit("application/contextBoxContent", "importconfiguration");
          store.commit("application/showSearchbar", true);
          next();
        }
      }
    },
    {
      path: "/imports/overview/:id?",
      name: "importoverview",
      component: Main,
      meta: {
        requiresAuth: true
      },
      beforeEnter: (to, from, next) => {
        const isWaterwayAdmin = store.getters["user/isWaterwayAdmin"];
        if (!isWaterwayAdmin) {
          next("/login");
        } else {
          store.commit("application/showContextBox", true);
          store.commit("application/contextBoxContent", "importoverview");
          store.commit("application/showSearchbar", true);
          next();
        }
      }
    },
    {
      path: "/stretches",
      name: "stretches",
      component: Main,
      meta: {
        requiresAuth: true
      },
      beforeEnter: (to, from, next) => {
        const isSysadmin = store.getters["user/isSysAdmin"];
        if (!isSysadmin) {
          next("/login");
        } else {
          store.commit("application/searchQuery", "");
          store.commit("application/showContextBox", true);
          store.commit("application/contextBoxContent", "stretches");
          store.commit("application/showSearchbar", true);
          next();
        }
      }
    },
    {
      path: "/sections",
      name: "sections",
      component: Main,
      meta: {
        requiresAuth: true
      },
      beforeEnter: (to, from, next) => {
        const isWaterwayAdmin = store.getters["user/isWaterwayAdmin"];
        if (!isWaterwayAdmin) {
          next("/login");
        } else {
          store.commit("application/searchQuery", "");
          store.commit("application/showContextBox", true);
          store.commit("application/contextBoxContent", "sections");
          store.commit("application/showSearchbar", true);
          next();
        }
      }
    },
    {
      path: "/fairwaydepth",
      name: "fairwaydepth",
      component: () => import("./components/fairway/AvailableFairwayDepth"),
      meta: {
        requiresAuth: true
      }
    },
    {
      path: "*",
      component: () => import("./components/PageNotFound")
    }
  ]
});

router.beforeEach((to, from, next) => {
  const expiresFromPastSession = toMillisFromString(
    localStorage.getItem("expires")
  );
  if (sessionStillActive(expiresFromPastSession)) {
    store.commit("user/setUser", localStorage.getItem("user"));
    store.commit("user/setExpires", expiresFromPastSession);
    store.commit("user/setRoles", localStorage.getItem("roles"));
    store.commit("user/setIsAuthenticate", true);
    // load settings only if not present yet
    if (Object.keys(store.state.application.config).length) {
      next();
    } else {
      store.dispatch("application/loadConfig").then(() => next());
    }
  } else {
    store.commit("reset");
    store.commit("user/clearAuth");
    const requiresAuth = to.matched.some(record => record.meta.requiresAuth);
    const redirectToLogin = requiresAuth && !store.state.user.isAuthenticated;
    if (redirectToLogin) {
      localStorage.setItem("tempRoute", to.path);
      next("/login");
    } else {
      next();
    }
  }
});

export default router;