import type { Router } from 'vue-router';

import { LOGIN_PATH } from '@vben/constants';
import { preferences } from '@vben/preferences';
import { useAccessStore, useUserStore } from '@vben/stores';
import { startProgress, stopProgress } from '@vben/utils';

import { addCommonMenu } from '#/api/system/collectMenu';
import { accessRoutes, coreRouteNames } from '#/router/routes';
import { useAuthStore } from '#/store';
import { getJnpfAppEnCode, getRealJnpfAppEnCode } from '#/utils/jnpf';

import { generateAccess } from './access';

/**
 * 通用守卫配置
 * @param router
 */
function setupCommonGuard(router: Router) {
  // 记录已经加载的页面
  const loadedPaths = new Set<string>();

  router.beforeEach((to) => {
    to.meta.loaded = loadedPaths.has(to.path);

    // 页面加载进度条
    if (!to.meta.loaded && preferences.transition.progress) {
      startProgress();
    }
    return true;
  });

  router.afterEach(async (to) => {
    const modelId = to.meta?.modelId || '';
    if (modelId) await addCommonMenu(modelId);
    // 记录页面是否加载,如果已经加载，后续的页面切换动画等效果不在重复执行
    loadedPaths.add(to.path);

    // 关闭页面加载进度条
    if (preferences.transition.progress) {
      stopProgress();
    }
  });
}

/**
 * 权限访问守卫配置
 * @param router
 */
function setupAccessGuard(router: Router) {
  router.beforeEach(async (to, from) => {
    const accessStore = useAccessStore();
    const userStore = useUserStore();
    const authStore = useAuthStore();
    const appEnCode = getJnpfAppEnCode();

    if (['/reportPreview', '/workFlowDetail'].includes(to.path) && to.query.token && accessStore.accessToken != to.query.token) {
      accessStore.setAccessToken(to.query.token as string);
      return { ...to, replace: true };
    }

    // 基本路由，这些路由不需要进入权限拦截
    if (coreRouteNames.includes(to.name as string)) {
      if (to.path === LOGIN_PATH && accessStore.accessToken) {
        return decodeURIComponent((to.query?.redirect as string) || preferences.app.defaultHomePath);
      }
      return true;
    }

    // accessToken 检查
    if (!accessStore.accessToken) {
      // 明确声明忽略权限访问权限，则可以访问
      if (to.meta.ignoreAccess) {
        return true;
      }

      // 没有访问权限，跳转登录页面
      if (to.fullPath !== LOGIN_PATH) {
        return {
          path: LOGIN_PATH,
          // 如不需要，直接删除 query
          query: to.fullPath === preferences.app.defaultHomePath ? {} : { redirect: encodeURIComponent(to.fullPath) },
          // 携带当前跳转的页面，登录后重新跳转该页面
          replace: true,
        };
      }
      return to;
    }

    // 是否已经生成过动态路由
    if (accessStore.isAccessChecked) {
      if ((['teamwork', 'workFlow'].includes(appEnCode) || appEnCode !== getRealJnpfAppEnCode()) && to.path === preferences.app.defaultHomePath) {
        let path = '/404';
        if (accessStore.backMenus.length && accessStore.backMenus[0]?.children?.length) {
          path = `/${accessStore.backMenus[0].children[0]?.urlAddress}`;
        }
        return {
          ...router.resolve(path),
          replace: true,
        };
      }
      return true;
    }

    // 生成路由表
    // 当前登录用户拥有的角色标识列表
    !userStore.userInfo && (await authStore.fetchUserInfo());

    // 生成菜单和路由
    const { accessibleMenus, accessibleRoutes } = await generateAccess({
      router,
      routes: accessRoutes,
      backMenus: accessStore.backMenus,
    });

    // 保存菜单信息和路由信息
    accessStore.setAccessMenus(accessibleMenus);
    accessStore.setAccessRoutes(accessibleRoutes);
    accessStore.setIsAccessChecked(true);
    const redirectPath = (from.query.redirect ?? (to.path === preferences.app.defaultHomePath ? preferences.app.defaultHomePath : to.fullPath)) as string;

    if ((['teamwork', 'workFlow'].includes(appEnCode) || appEnCode !== getRealJnpfAppEnCode()) && to.path === preferences.app.defaultHomePath) {
      let path = '/404';
      if (accessStore.backMenus.length && accessStore.backMenus[0]?.children?.length) {
        path = `/${accessStore.backMenus[0].children[0]?.urlAddress}`;
      }
      return {
        ...router.resolve(path),
        replace: true,
      };
    }

    return {
      ...router.resolve(decodeURIComponent(redirectPath)),
      replace: true,
    };
  });
}

/**
 * 项目守卫配置
 * @param router
 */
function createRouterGuard(router: Router) {
  /** 通用 */
  setupCommonGuard(router);
  /** 权限访问 */
  setupAccessGuard(router);
}

export { createRouterGuard };