import config from '@/configs';
import store from '@/store';
import { createRouter, createWebHistory } from 'vue-router';
// 示例模块
import demoModule from './demo';

// 全局路由
export const globalRoutes = [
    {
        path: '/login',
        name: 'Login',
        component: () => import('@/views/global/login.vue'),
        meta: {
            global: true,
        },
    },
    {
        path: '/404',
        name: '404',
        component: () => import('@/views/global/404.vue'),
        meta: {
            global: true,
        },
    },
];

export const demoRoutes = import.meta.env.MODE === 'development' ? demoModule : [];

// 动态模块
export const dynamicRoutes = [];
const modules = import.meta.globEager('./modules/*.js');
Object.values(modules).forEach((mod) => {
    dynamicRoutes.push(...mod.default);
});

// 本地路由
export const routes = [
    ...globalRoutes,
    {
        path: '/',
        name: 'App',
        redirect: { name: 'Home' },
        component: () => import('@/layouts/default.vue'),
        meta: {
            layout: true,
            title: '首页',
            icon: 'home-fill',
        },
        children: [
            {
                path: '/home',
                name: 'Home',
                component: () => import('@/views/home/index.vue'),
                meta: {
                    title: '首页',
                    icon: 'home-fill',
                },
            },
        ],
    },
    ...dynamicRoutes,
    ...demoRoutes,
    {
        path: '/:pathMatch(.*)*',
        redirect: '/404',
        name: 'NotFound',
        meta: {
            global: true,
        },
    },
];

const router = createRouter({
    history: createWebHistory(),
    routes: config.useLocalRouter ? routes : globalRoutes,
});

router.onError((error, to) => {
    console.info('[router] error', error, to);
});
router.beforeEach(async (to, from, next) => {
    if (store.state.local.token) {
        if (!store.state.auth.permission.length) {
            await store.dispatch('auth/getUserInfo');
            if (config.useLocalRouter) {
                store.commit('auth/setPermission', routes);
            } else {
                await store.dispatch('auth/getPermission');
            }
            next({ ...to, replace: true });
        } else {
            console.info(`[router] from ${from.name} to ${to.name}`);
            const deep = (route) => {
                let child = (route.children || []).find((item) => !item.meta?.hidden);
                return child?.children?.length ? deep(child?.children) : child?.name;
            };
            let childName = deep([...to.matched].pop());
            if (childName) {
                next({ name: childName });
            } else {
                next();
                store.commit('layout/setActiveAside', to.matched[0].name);
                store.commit('layout/setActiveMenu', to.name);
                store.commit('layout/setActiveTab', to.name);
                store.commit('layout/setBreakcrumbList', to.matched);
                store.commit('layout/addTab', to);
            }
        }
    } else if (to.meta.global) {
        next();
    } else {
        next(false);
        store.dispatch('auth/logout', to.fullPath);
    }
});

export default router;
/**
 * 多级嵌套路由时，由于父级路由页面中没有router-view组件所以子级路由页面无法显示
 * 所以需要将路由规则展平处理
 * @param {*} routes
 * @param {*} parent
 */
const flatRoutes = (routes, parent = { path: '/', meta: {} }) =>
    routes.flatMap((route) => {
        let res = [];
        if (!route.path.startsWith('/')) {
            if (!parent.path.endsWith('/')) {
                parent.path += '/';
            }
            route.path = parent.path + route.path;
        }
        route.meta.menu = route.path.replaceAll(/\/:[^?]+\?/g, '');
        let activeMenu = route.meta.activeMenu;
        if (!activeMenu && route.meta.hidden) {
            activeMenu = parent.meta.menu;
        }
        route.meta.activeMenu = activeMenu || route.meta.menu;
        const children = flatRoutes(route.children || [], route);
        route.redirect = children.find((item) => !item.meta.hidden)?.meta.menu;
        if (route.meta.layout) {
            route.children = children;
            res = [route];
        } else {
            res = [route, ...children];
        }
        return res;
    });
export const reset = (routes) => {
    router.getRoutes().forEach((item) => {
        router.removeRoute(item.name);
    });
    if (!config.useLocalRouter) {
        routes = [
            ...globalRoutes,
            ...routes,
            ...demoRoutes,
            {
                path: '/:pathMatch(.*)*',
                redirect: '/404',
                name: 'NotFound',
                meta: {
                    global: true,
                },
            },
        ];
    }
    flatRoutes(routes).forEach(router.addRoute);
    store.commit(
        'layout/setNotKeepAliveList',
        router
            .getRoutes()
            .filter((item) => item.meta.keepAlive === false)
            .map((item) => item.name)
    );
    console.info('[router] reset', router.getRoutes());
};