import { createRouter, createWebHistory, type RouteRecordRaw } from 'vue-router';
import LoginView from './views/LoginView.vue';
import { THEME_NAMES, useTheme } from './composables/useTheme';
import tenant from './tenant';
import { HomePage, ImpressumPage, DatenschutzPage } from './tenantPages';

const routes: RouteRecordRaw[] = [
    { path: '/',            name: 'home',        component: HomePage,        meta: { suffix: '' }            },
    { path: '/impressum',   name: 'impressum',   component: ImpressumPage,   meta: { suffix: 'Impressum' }   },
    { path: '/datenschutz', name: 'datenschutz', component: DatenschutzPage, meta: { suffix: 'Datenschutz' } },
    { path: '/login',   name: 'login',   component: LoginView,   meta: { suffix: 'Login' }                          },
    { path: '/nyx',     name: 'nyx',     component: () => import('./views/AgentsView.vue'),  meta: { suffix: 'nyx',   requiresAuth: true }    },
    { path: '/agents',  redirect: '/nyx'                                                                                    },
    { path: '/chat',    redirect: '/nyx'                                                                                    },
];

if (tenant.features.viewer) {
    routes.push({ path: '/viewer', name: 'viewer', component: () => import('./views/ViewerView.vue'), meta: { suffix: 'Viewer', requiresAuth: true } });
}

routes.push({ path: '/:pathMatch(.*)*', redirect: '/' });

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

// Auth guard — redirect to /login for protected routes
router.beforeEach((to) => {
    if (to.meta?.requiresAuth) {
        const token = localStorage.getItem('nyx_session');
        if (!token) {
            sessionStorage.setItem('auth_return_path', to.fullPath);
            return { name: 'login' };
        }
    }
});

router.afterEach((to) => {
    const { theme } = useTheme();
    const brand = THEME_NAMES[theme.value] || 'loop42';
    const suffix = (to.meta?.suffix as string) || '';
    document.title = suffix ? `${brand} - ${suffix}` : brand;
});

export default router;