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

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', '/gzzbxy/relay']; // 不重定向白名单

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

function isDesignPage(toRoutePath) {
    return designPageRegex.some(item => item.test(toRoutePath) );
}
for (const val in PermissionParam) {
    whiteList.push(PermissionParam[val].whitePage);
}
const loginPage = whiteList[0];
const loginDesignPage = whiteList[1];

// 获取路径数据
function getRouteInfo(to) {
    let loginPath = '';
    const toRoutePath = to.redirectedFrom || to.path;
    const current_session = getSessionStorage('project');
    if (whiteList.includes(toRoutePath)) { // 登陆页面清空 token
        removeToken();
    }

    if (isDesignPage(toRoutePath)) {
        loginPath = loginDesignPage;
        if (current_session && !current_session.startsWith('design')) {
            removeToken();
        }
    } else {
        const whitePage = PermissionParam[current_session] ? PermissionParam[current_session].whitePage : '';
        loginPath = whitePage || loginPage;
        if (current_session && current_session.startsWith('jsxt') || current_session && current_session.startsWith('refereeJsxt')) {
            const raceId = getSessionStorage('raceId'); // 登陆时候保存 竞赛id
            loginPath = `${loginPath}?raceId=${raceId}`;
        }
        if (current_session && current_session.startsWith('design')) {
            removeToken();
        }
    }

    return { loginPath };
}

function handleRoute(to, from, next, routeInfo) {
    if (store.getters.roles.length === 0) {
        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 }).then(() => {
                router.addRoutes(store.getters.addRouters); // 动态添加可访问路由表
                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) => {
    const project = getSessionStorage('project');
    document.title = loginInfo[project || 'login'].browserTitle || loginInfo[project || 'login'].title;

    NProgress.start();
    const routeInfo = getRouteInfo(to);
    if (getToken()) {
        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 {
        if (whiteList.indexOf(to.path) !== -1) {
            // 在免登录白名单，直接进入
            next();
        } else if (to.path.substr(0, 13) == whiteList[2]) {
            next();
        } else if (to.path == '/jsxtApply') {
            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();
});