import { defineStore } from 'pinia'
import { ref, computed } from 'vue'
import { getToken, setToken, removeToken } from '../api/request'
import { wxLogin as apiWxLogin, login as apiLogin, getUserInfo as apiGetUserInfo } from '../api/user'
import type { UserInfo, LoginParams } from '../api/types'
import { TOKEN_KEY, REFRESH_TOKEN_KEY } from '../config'

export const useUserStore = defineStore('user', () => {
  const token = ref<string>(getToken())
  const refreshToken = ref<string>(uni.getStorageSync(REFRESH_TOKEN_KEY) || '')
  const userInfo = ref<UserInfo | null>(null)

  const isLogin = computed(() => !!token.value)

  /** 微信授权登录（接收 loginCode + phoneCode） */
  async function wxLogin(params: { loginCode: string; phoneCode: string }) {
    const result = await apiWxLogin(params)
    token.value = result.accessToken
    refreshToken.value = result.refreshToken
    setToken(result.accessToken)
    uni.setStorageSync(REFRESH_TOKEN_KEY, result.refreshToken)
    return result
  }

  /** 账号密码登录（降级方案） */
  async function login(params: LoginParams) {
    const result = await apiLogin(params)
    token.value = result.accessToken
    refreshToken.value = result.refreshToken
    setToken(result.accessToken)
    uni.setStorageSync(REFRESH_TOKEN_KEY, result.refreshToken)
    return result
  }

  /** 获取用户信息 */
  async function fetchUserInfo() {
    if (!token.value) return
    const info = await apiGetUserInfo()
    userInfo.value = info
    return info
  }

  /** 退出登录 */
  function logout() {
    token.value = ''
    refreshToken.value = ''
    userInfo.value = null
    removeToken()
    uni.removeStorageSync(REFRESH_TOKEN_KEY)
  }

  return {
    token,
    refreshToken,
    userInfo,
    isLogin,
    wxLogin,
    login,
    fetchUserInfo,
    logout
  }
})