import { getStorage, setStorage, removeStorage } from '@/utils/storage'
import {
  loginApi,
  registerApi,
  logoutApi,
  forgotPasswordApi,
  changePasswordApi,
  sendCodeApi,
} from '@/api/modules/user'
import type {
  LoginParams,
  RegisterParams,
  ForgotPasswordParams,
  ChangePasswordParams,
  SendCodeParams,
} from '@/api/types/user'
import type { UserInfo, MenuItem, PermissionItem } from '@/stores/types/user'
import { formatMenuToElMenu, type ElMenuItem } from '@/utils/menuFormat'
import { handleRouter, setRouter } from '@/router/handleRouter.ts'

// 定义用户 Store
export const useUserStore = defineStore('user', () => {
  const router = useRouter()

  // ========== 状态定义（与后端返回数据对应） ==========
  // 用户/菜单和权限状态
  const userInfo = ref<UserInfo | null>(getStorage('userInfo') || null)
  const token = ref<string>(getStorage('token') || '')
  const menusInfo = ref<MenuItem[]>(getStorage('menusInfo') || [])
  const permissionsInfo = ref<PermissionItem[]>(getStorage('permissionsInfo') || [])

  // ========== 计算属性 ==========
  const isLoggedIn = computed(() => !!token.value)
  // const permissionKeys = computed(() => permissions.value.map(item => item.name));
  // 格式化后的 el-menu 数据（自动更新）
  const sideMenu = computed<ElMenuItem[]>(() => formatMenuToElMenu(menusInfo.value))
  /**
   * 设置用户信息
   * 作用：根据后端返回数据设置用户状态 + 本地存储
   */
  const setUserInfo = (set: any) => {
    token.value = set.user.token
    userInfo.value = set.user
    menusInfo.value = set.menus_info
    permissionsInfo.value = set.permissions_info

    const btnAuth = (set.permissions_info || [])
      .map((item: any) => item.code)
      .filter((item: any) => item)

    // 保存到本地存储
    setStorage('token', set.user.token)
    setStorage('userInfo', set.user)
    setStorage('menusInfo', set.menus_info)
    setStorage('permissionsInfo', set.permissions_info)
    setStorage('btnAuth', btnAuth)

    setRouter()
  }

  /**
   * 清空用户信息（核心复用方法）
   * 作用：重置所有用户相关状态 + 清除本地存储
   */
  const clearUserInfo = () => {
    // 重置 Pinia 中的状态
    token.value = ''
    userInfo.value = null
    menusInfo.value = []
    permissionsInfo.value = []

    // 清除本地存储的用户数据
    removeStorage('token')
    removeStorage('userInfo')
    removeStorage('menusInfo')
    removeStorage('permissionsInfo')
    removeStorage('device_no')
    console.log('用户信息已清空')
  }

  /**
   * 登录方法
   * @param params 登录参数
   */
  const login = async (params: LoginParams) => {
    try {
      const res = await loginApi(params)
      if (res.isUserNotExist) {
        // 用户不存在，跳转到注册页面
        router.push('/user/register')
        return
      }
      setUserInfo(res)
      // 跳转到首页
      if (res.user.real_check !== 1) {
        router.push('/')
      } else {
        router.push('/realName')
      }
    } catch (error) {
      console.error('登录失败', error)

      throw error
    }
  }

  /**
   * 注册方法
   * @param params 登录参数
   */
  const register = async (params: RegisterParams) => {
    try {
      const res = await registerApi(params)
      //跳转登录页面
      router.push('/user/login')
    } catch (error) {
      console.error('注册失败', error)
      throw error
    }
  }

  /**
   * 退出登录
   */
  const logout = async (params: { device_no: string }) => {
    try {
      await logoutApi(params)
    } catch (error) {
      console.error('退出登录接口调用失败', error)
    } finally {
      clearUserInfo()

      // 跳转到登录页面
      router.push('/user/login')
    }
  }

  /**
   * 忘记密码
   */
  const forgotPassword = async (params: ForgotPasswordParams) => {
    try {
      await forgotPasswordApi(params)
      // 跳转登录页面
      router.push('/user/login')
    } catch (error) {
      console.error('重置密码失败', error)
      throw error
    }
  }

  /**
   * 修改密码
   */
  const changePassword = async (params: ChangePasswordParams) => {
    try {
      await changePasswordApi(params)
      // 跳转登录页面
      clearUserInfo()
      router.push('/user/login')
    } catch (error) {
      console.error('修改密码失败', error)
      throw error
    }
  }

  /**
   * 发送验证码
   */
  const sendCode = async (params: SendCodeParams) => {
    try {
      const res = await sendCodeApi(params)
    } catch (error) {
      console.error('发送验证码失败', error)
      throw error
    }
  }
  /**
   * 切换账户
   */
  const switchAccount = async () => {
    clearUserInfo()
    router.push('/user/login')
  }

  /**
   * 更新用户信息
   * @param data 要更新的用户信息
   */
  const updateUserInfo = (data: Partial<UserInfo>) => {
    if (userInfo.value) {
      // 合并更新用户信息
      userInfo.value = { ...userInfo.value, ...data }
      // 更新本地存储
      setStorage('userInfo', userInfo.value)
    }
  }
  return {
    // 状态
    token,
    userInfo,
    menusInfo,
    permissionsInfo,
    // 计算属性
    isLoggedIn,
    sideMenu,
    // 方法（箭头函数）
    login,
    setUserInfo,
    register,
    logout,
    forgotPassword,
    changePassword,
    sendCode,
    switchAccount,
    updateUserInfo,
    clearUserInfo,
  }
})