// 本来应该是后端做，出于工期考虑转到前端

import QueryString from 'qs';
import { useUserStore } from '/@/store/modules/user';
import { useRoute, useRouter } from 'vue-router';

/** 单点登录功能的Hook，该Hook是为了部署在同一局域网内的多套系统之间能够无缝切换 */
export function useSSO() {
  const router = useRouter();
  const userStore = useUserStore();
  const route = useRoute();

  /** 启用单点登录功能来跳转新的页面 */
  function open(url: string, redirect?: string, target?: string) {
    const qs = QueryString.stringify({
      username: userStore.userInfo?.username,
      // 毫无意义的伪装，但我就是要装一下
      id: userStore.getPassword,
      redirect,
    });
    window.open(`${url}?${qs}`, target);
  }

  /** 用在跳转到的页面上，执行单点登录的逻辑 */
  function doSSO() {
    if (!route.query) return;
    const { username, id, redirect } = route.query;
    if (!username || !id) return;
    const realPassword = userStore.decryptPassword(id as string);
    const params = {
      username: username as string,
      password: realPassword,
      checkKey: new Date().getTime(),
    };
    userStore.login(params).then(() => {
      if (redirect) {
        router.push(redirect as string);
      }
    });
  }

  return {
    /** 启用单点登录功能来跳转新的页面，参数与window.open一致，但需要注意url需要指向登录页 */
    open,
    /** 用在跳转到的页面上，执行单点登录的逻辑 */
    doSSO,
  };
}