import { RouteRecordRaw } from "vue-router";
import { defineStore } from "pinia";
import { constantRoutes } from "@/router";
import { store } from "@/store";

const modules = import.meta.glob("../../views/**/**.vue");
// 不同角色，不同首页
const Layout = () => import("@/layout/school.vue");
const Admin = () => import("@/layout/admin.vue");
// 角色【后台管理员】拥有的权限路由
const schoolRoutes: RouteRecordRaw[] = JSON.parse(
  JSON.stringify([
    {
      path: "/",
      component: "AdminIndex",
      redirect: "/area",
      children: [
        {
          path: "area",
          component: "area/index",
          meta: { title: "区域级数据看板", icon: "homepage", keepAlive: true },
        },
      ],
    },
  ])
);
// 角色【学校负责人】拥有的权限路由
const adminRoutes: RouteRecordRaw[] = JSON.parse(
  JSON.stringify([
    {
      path: "/",
      component: "SchoolIndex",
      redirect: "/dashboard",
      children: [
        {
          path: "dashboard",
          component: "dashboard",
          meta: { title: "数据看板", icon: "homepage", keepAlive: true },
        },
        {
          path: "class",
          component: "class",
          meta: { title: "班级管理", icon: "menu", keepAlive: true },
        },
        {
          path: "teacher",
          component: "teacher",
          meta: { title: "教师管理", icon: "menu", keepAlive: true },
        },
        {
          path: "student",
          component: "student",
          meta: { title: "学生管理", icon: "menu", keepAlive: true },
        },
        {
          path: "equipment",
          component: "equipment",
          meta: { title: "设备管理", icon: "menu", keepAlive: true },
        },
        {
          path: "training",
          component: "training",
          meta: { title: "训练管理", icon: "menu", keepAlive: true },
        },
        {
          path: "board",
          component: "board",
          meta: { title: "测评数据看板", icon: "menu", keepAlive: true },
        },
      ],
    },
  ])
);
/**
 * 递归过滤有权限的异步(动态)路由
 *
 * @param routes 接口返回的异步(动态)路由
 * @param roles 用户角色集合
 * @returns 返回用户有权限的异步(动态)路由
 */
const filterAsyncRoutes = (routes: RouteRecordRaw[], roles: string[]) => {
  const asyncRoutes: RouteRecordRaw[] = [];

  routes.forEach((route) => {
    const tmpRoute = { ...route }; // ES6扩展运算符复制新对象

    if (tmpRoute.component?.toString() == "SchoolIndex") {
      tmpRoute.component = Layout;
      console.log("SchoolIndex");
    } else if (tmpRoute.component?.toString() == "AdminIndex") {
      console.log("AdminIndex");
    } else {
      const component = modules[`../../views/${tmpRoute.component}/index.vue`];
      if (component) {
        tmpRoute.component = component;
      } else {
        tmpRoute.component = modules[`../../views/error-page/404.vue`];
      }
    }

    if (tmpRoute.children) {
      tmpRoute.children = filterAsyncRoutes(tmpRoute.children, roles);
    }

    asyncRoutes.push(tmpRoute);
  });

  return asyncRoutes;
};

// setup
export const usePermissionStore = defineStore("permission", () => {
  // state
  const routes = ref<RouteRecordRaw[]>([]);

  // actions
  function setRoutes(newRoutes: RouteRecordRaw[]) {
    routes.value = constantRoutes.concat(newRoutes);
  }
  /**
   * 生成动态路由
   *
   * @param roles 用户角色集合
   * @returns
   */
  function generateRoutes(roles: string[]) {
    return new Promise<RouteRecordRaw[]>((resolve, reject) => {
      // 角色【后台管理员】拥有权限
      if (roles.includes("ADMIN")) {
        // 根据角色获取有访问权限的路由
        const accessedRoutes = filterAsyncRoutes(adminRoutes, roles);
        setRoutes(accessedRoutes);
        resolve(accessedRoutes);
      }
      // 角色【学校负责人】拥有权限
      else if (roles.includes("SCHOOL")) {
        const accessedRoutes = filterAsyncRoutes(schoolRoutes, roles);
        setRoutes(accessedRoutes);
        resolve(accessedRoutes);
      } else {
        reject("没有访问权限");
      }
    });
  }
  return { routes, setRoutes, generateRoutes };
});

// 非setup
export function usePermissionStoreHook() {
  return usePermissionStore(store);
}