import Vue from 'vue';
import store from '@/store';
import router from './router';
import NProgress from 'nprogress';
import { admin} from './router';
import { getToken, removeToken} from '@/utils/auth';
import { LoginParams } from '@/utils/login';
import { getSessionStorage } from '@/utils/auth';
import localStore from 'storejs';

function hasPermission(roles, permissionRoles) {
    if (roles.indexOf(admin) >= 0) return true;
    if (!permissionRoles) return true;
    return roles.some(role => permissionRoles.indexOf(role) >= 0);
}

const whiteList = ['/login', '/design/login', '/xty/login', '/designxty/login', '/gzb/login', '/designgzb/login', '/jlmap3d/devicetrain']; // 不重定向白名单

const designPageRegex = [/^\/design/, /^\/scriptDisplay/, /^\/publish/, /^\/orderauthor/, /^\/system/, /^\/display\/record/, /^\/display\/manage/, /^\/apply/, /^\/plan/, /^\/display\/plan/];

function isDesignPage(toRoutePath) {
    return designPageRegex.some(item => {
        return item.test(toRoutePath);
    });
}

const loginPage = whiteList[0];
const loginDesignPage = whiteList[1];
const loginXtyPage = whiteList[2];
const loginDesignXtyPage = whiteList[3];
const loginGzbPage = whiteList[4];
const loginDesignGzbPage = whiteList[5];
const loginDesignPageMenu = {
    design: loginDesignPage,
    designxty: loginDesignXtyPage,
    designgzb: loginDesignGzbPage
};
const loginPageMenu = {
    login: loginPage,
    xty: loginXtyPage,
    gzb: loginGzbPage
};
// 获取路径数据
function getRouteInfo(to) {
    let loginPath = '/';
    let clientId = '';
    const toRoutePath = to.redirectedFrom || to.path;
    const current_session = getSessionStorage('project');
    if (/^\/designxty/.test(toRoutePath)) {
        loginPath = loginDesignXtyPage;
        clientId = LoginParams.Design.clientId;
    } else if (/^\/designgzb/.test(toRoutePath)) {
        loginPath = loginDesignGzbPage;
        clientId = LoginParams.Design.clientId;
    } else if (isDesignPage(toRoutePath)) {
        loginPath = loginDesignPageMenu[current_session] || loginDesignPage;
        clientId = LoginParams.Design.clientId;
        if (current_session && !current_session.startsWith('design')) {
            removeToken();
        }
    } else if ( /^\/xty/.test(toRoutePath)) {
        loginPath = loginXtyPage;
        clientId = null;
    } else if ( /^\/gzb/.test(toRoutePath)) {
        loginPath = loginGzbPage;
        clientId = null;
    } else {
        loginPath = loginPageMenu[current_session] || loginPath;
        clientId = null;
        if (current_session && current_session.startsWith('design')) {
            removeToken();
        }
    }

    return { clientId, loginPath };
}

function handleRoute(to, from, next, routeInfo) {
    if (store.getters.roles.length === 0) {
        // 拉取用户信息
        store.dispatch('GetInfo', getToken()).then(res => {
            // 根据roles权限生成可访问的路由表
            const roles = res.roles;
            store.dispatch('GenerateRoutes', { roles, clientId: routeInfo.clientId }).then(() => {
                // 动态添加可访问路由表
                router.addRoutes(store.getters.addRouters);
                // router.addRoutes(asyncRouter1);
                if (to.redirectedFrom) {
                    next({ path: to.redirectedFrom, replace: true });
                } else {
                    next({ ...to, replace: true });
                }
            });

        }).catch(() => {
            store.dispatch('FedLogOut').then(() => {
                Vue.prototype.$messageBox('验证失败，请重新登录！');
                next({ path: routeInfo.loginPath });
            });
        });
    } else {
        // 除没有动态改变权限的需求可直接next() 删下方权限判断
        if (hasPermission(store.getters.roles, to.meta.roles)) {
            if (to.path === '/404' && to.redirectedFrom === '/') {
                next(localStore.get('trainingPlatformRoute' + store.getters.id) || '/trainingPlatform');
            } else {
                next();
            }
        } else {
            next({ path: '/401', replace: true, query: { noGoBack: true } });
        }
    }
}

router.beforeEach((to, from, next) => {
    NProgress.start();
    const routeInfo = getRouteInfo(to);
    if (getToken()) {
        // 已登录
        if (to.path === routeInfo.loginPath) {
            // 登录页面不拦截
            next();
        } else {
            // 进入系统重新计算路由
            handleRoute(to, from, next, routeInfo);
        }
    } else {
        // 未登录情况下
        if (whiteList.indexOf(to.path) !== -1) {
            // 在免登录白名单，直接进入
            next();
        } else {
            // 否则全部重定向到登录页
            next(routeInfo.loginPath);
        }
    }
});

NProgress.configure({
    easing: 'ease', // 动画方式
    speed: 500, // 递增进度条的速度
    showSpinner: false, // 是否显示加载ico
    trickleSpeed: 200, // 自动递增间隔
    minimum: 0.3 // 初始化时的最小百分比
});

router.afterEach(() => {
    // 结束Progress
    NProgress.done();
});