import { defineStore } from 'pinia'
import {
  getToken,
  getUserInfoData,
  setUserInfoData,
  removeUserInfoData
} from '@/utils/storage'
import { useTokenStore } from './token'
import { getUserData, userLogout } from '@/api'
import { ref } from 'vue'
import { useUI } from '@/utils/use-ui'
import { reLaunch } from '@/utils/router'

export const useUserStore = defineStore('user', () => {
  const { clearToken } = useTokenStore()
  const { showDialog } = useUI()

  const userInfo = ref(
    getUserInfoData() ? JSON?.parse(getUserInfoData()) : {}
  )

  /** 用户信息对象 */

  /**
   * 获取用户信息（可从缓存或接口）
   */
  const fetchUserInfo = async () => {
    // 尝试从本地缓存读取
    const cachedToken = getToken()
    const cachedUserInfo = getUserInfoData()

    if (cachedToken && cachedUserInfo) {
      userInfo.value = JSON.parse(cachedUserInfo)
      return
    }
    const res = await getUserData()
    setUserInfo(res.data)
    return
  }

  /**
   * 设置用户信息
   */
  const setUserInfo = data => {
    userInfo.value = data
    // 同步到本地存储
    setUserInfoData(data)
  }

  /**
   * 清除用户信息（退出登录）
   */
  const clearUserInfo = async () => {
    const show = await showDialog('提示', '确定要退出登录吗？')
    if (show) {
      await userLogout()
      userInfo.value = null
      clearToken()
      removeUserInfoData()
      reLaunch('/pages/login/login')
    }
  }

  /** 刷新用户信息（如用户信息被修改） */
  const refreshUserInfo = async () => {
    const res = await getUserData()
    setUserInfo(res.data)
  }

  /**
   * 更新部分用户信息（例如昵称、头像）
   */
  const updateUserInfo = partialData => {
    if (!userInfo.value) return
    userInfo.value = { ...userInfo.value, ...partialData }
    setUserInfoData(userInfo.value)
  }

  return {
    userInfo,
    refreshUserInfo,
    fetchUserInfo,
    setUserInfo,
    clearUserInfo,
    updateUserInfo
  }
})