import { createRouter, createWebHistory } from 'vue-router'

import { useSessionStore } from "@/stores/sessionStore";
import AboutView from '../views/AboutView.vue'
import HomeView from '../views/HomeView.vue'
import LoginView from '../views/LoginView.vue'
import ProfileView from '../views/ProfileView.vue'
import StickerBuilderView from '../views/StickerBuilderView.vue'
import StickerView from '../views/StickerView.vue'
import WelcomeView from '../views/WelcomeView.vue'


const uuid: string = ':uuid([0-9A-F]{8}-[0-9A-F]{4}-[4][0-9A-F]{3}-[89AB][0-9A-F]{3}-[0-9A-F]{12})'

const router = createRouter({
  history: createWebHistory(import.meta.env.BASE_URL),
  routes: [
    {
      component: AboutView,
      meta: {
        title: 'About',
      },
      name: 'about',
      path: '/about',
    },
    {
      component: HomeView,
      meta: {
        title: 'Home',
      },
      name: 'home',
      path: '/',
    },
    {
      component: ProfileView,
      meta: {
        title: 'Profile',
      },
      name: 'profile',
      path: '/profile/:username?',
    },
    {
      component: StickerBuilderView,
      meta: {
        title: 'Sticker Builder',
      },
      name: 'stickerbuilder',
      path: `/stickerbuilder/${uuid}`,
      // TODO: Consider using /:uuid/edit
    },
    {
      component: StickerView,
      meta: {
        title: 'Sticker',
      },
      name: 'sticker',
      path: `/${uuid}`,
    },
    {
      component: LoginView,
      meta: {
        title: 'Login',
      },
      name: 'login',
      path: '/login',
    },
    {
      component: WelcomeView,
      meta: {
        title: 'Welcome',
      },
      name: 'welcome',
      path: '/welcome',
    },
  ],
})

router.beforeEach((to, _from) => {
  const sessionStore= useSessionStore();
  if (sessionStore.isAnonymous && to.name == 'home') {
    return {name: 'welcome'};
  } else if (!sessionStore.isAnonymous && to.name == 'welcome') {
    return {name: 'home'};
  } else if (to.name == 'profile' && to.params.username == "") {
    if (sessionStore.isAnonymous) {
      return {name: 'home'};
    } else {
      // Send to "my" profile page.
      return {name: 'profile', params: {
          username: sessionStore.user.username,
        }};
    }
  }
});

export default router