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

import type { MenuRecordRaw } from '@vben-core/typings';

import { acceptHMRUpdate, defineStore } from 'pinia';

// Token 共享存储的固定 key
const SHARED_TOKEN_KEY = 'vben-shared-auth-tokens';

// 保存 token 到共享存储
function saveSharedTokens(accessToken: string | null, refreshToken: string | null) {
  try {
    if (accessToken || refreshToken) {
      localStorage.setItem(SHARED_TOKEN_KEY, JSON.stringify({ accessToken, refreshToken }));
    } else {
      localStorage.removeItem(SHARED_TOKEN_KEY);
    }
  } catch (e) {
    console.error('[Token] 保存共享token失败:', e);
  }
}

type AccessToken = null | string;

interface AccessState {
  /**
   * 权限码
   */
  accessCodes: string[];
  /**
   * 可访问的菜单列表
   */
  accessMenus: MenuRecordRaw[];
  /**
   * 可访问的路由列表
   */
  accessRoutes: RouteRecordRaw[];
  /**
   * 登录 accessToken
   */
  accessToken: AccessToken;
  /**
   * 是否已经检查过权限
   */
  isAccessChecked: boolean;
  /**
   * 是否锁屏状态
   */
  isLockScreen: boolean;
  /**
   * 锁屏密码
   */
  lockScreenPassword?: string;
  /**
   * 登录是否过期
   */
  loginExpired: boolean;
  /**
   * 登录 accessToken
   */
  refreshToken: AccessToken;
}

/**
 * @zh_CN 访问权限相关
 */
export const useAccessStore = defineStore('core-access', {
  actions: {
    getMenuByPath(path: string) {
      function findMenu(
        menus: MenuRecordRaw[],
        path: string,
      ): MenuRecordRaw | undefined {
        for (const menu of menus) {
          if (menu.path === path) {
            return menu;
          }
          if (menu.children) {
            const matched = findMenu(menu.children, path);
            if (matched) {
              return matched;
            }
          }
        }
      }
      return findMenu(this.accessMenus, path);
    },
    lockScreen(password: string) {
      this.isLockScreen = true;
      this.lockScreenPassword = password;
    },
    setAccessCodes(codes: string[]) {
      this.accessCodes = codes;
    },
    setAccessMenus(menus: MenuRecordRaw[]) {
      this.accessMenus = menus;
    },
    setAccessRoutes(routes: RouteRecordRaw[]) {
      this.accessRoutes = routes;
    },
    setAccessToken(token: AccessToken) {
      // 避免重复设置相同的值
      if (this.accessToken === token) {
        return;
      }
      this.accessToken = token;
      // 同步到共享存储
      saveSharedTokens(token, this.refreshToken);
    },
    setIsAccessChecked(isAccessChecked: boolean) {
      this.isAccessChecked = isAccessChecked;
    },
    setLoginExpired(loginExpired: boolean) {
      this.loginExpired = loginExpired;
    },
    setRefreshToken(token: AccessToken) {
      // 避免重复设置相同的值
      if (this.refreshToken === token) {
        return;
      }
      this.refreshToken = token;
      // 同步到共享存储
      saveSharedTokens(this.accessToken, token);
    },
    unlockScreen() {
      this.isLockScreen = false;
      this.lockScreenPassword = undefined;
    },
  },
  persist: {
    // Token 通过手动方式同步到固定 key，这里只持久化其他字段
    pick: ['accessCodes', 'isLockScreen', 'lockScreenPassword'],
  },
  state: (): AccessState => ({
    accessCodes: [],
    accessMenus: [],
    accessRoutes: [],
    accessToken: null,
    isAccessChecked: false,
    isLockScreen: false,
    lockScreenPassword: undefined,
    loginExpired: false,
    refreshToken: null,
  }),
});

// 解决热更新问题
const hot = import.meta.hot;
if (hot) {
  hot.accept(acceptHMRUpdate(useAccessStore, hot));
}